Medical Providers

Kristopher Ahn, MD

Internal Medicine and Pediatrics Physician

Kristopher Ahn, MD joined our clinical team in 2020 as an Internal Medicine and Pediatrics Physician. A New York native, Dr. Ahn earned his bachelor of science degree in Biology and Society at Cornell University, and received his doctor of medicine degree from SUNY Downstate College of Medicine in Brooklyn, NY in 2016. He joined Esperanza after he completed his residency in Internal Medicine and Pediatrics at UTHealth McGovern Medical School in Houston, TX. His passion is fueled by the words of Christ in Matthew 25:34-40, and witnessing disparities in health care first-hand. Dr. Ahn learned about Esperanza by word of mouth as he studied at SUNY Downstate College. His heart was deeply moved by the ministry and its impact in the healthcare sphere.

BS: Cornell University
MD: SUNY Downstate College of Medicine
Postgraduate: UTHealth McGovern Medical School
Licensures/Certifications:

  • Pennsylvania License: Physician
  • Board Certified: Pediatrics

Languages Spoken: English, Spanish
Sites where Dr. Ahn sees patients: Kensington

Samantha Baker-Evens, CRNP, MSN

Family Nurse Practitioner

Samantha Baker-Evens, CRNP, MSN is a board certified Family Nurse Practitioner at Esperanza Health Center and joined the clinical team in 2017. She has worked in the areas of addiction, mental health, HIV/AIDS and homelessness for the last twenty years in the United States, Australia, and Cambodia. She is passionate about making primary care safe and accessible, particularly for people living with developmental differences or mental illness. She is an enthusiastic failure at gardening in the city and also enjoys kayaking and walking in the woods. She and her husband have two sons and are exploring what it means to live lives of mercy and justice (Micah 6:8) as a family in Philadelphia.

BA: Wheaton College
BSN: Thomas Jefferson University School of Nursing
MSN: Frontier Nursing University
Licensures/Certifications:
• Pennsylvania License: Certified Registered Nurse Practitioner
• Board Certified: Family Nurse Practitioner
Languages Spoken: English, Spanish, Khmer (Cambodian)
Sites where Ms. Baker-Evens sees patients: Kensington

Stacy Brix, MSN, CRNP

Family Nurse Practitioner

Stacy Brix, MSN, CRNP is a board certified Family Nurse Practitioner at Esperanza Health Center. She received both her bachelor’s and master’s level training at Thomas Jefferson University where she now serves as adjunct faculty in the nursing department. She is excited to provide patient-centered care at EHC with a particular interest in preventative medicine and women’s health issues across the lifespan. In her free time she enjoys hiking, gardening and spending time with her husband and three young children.

BA: Bethel University
BSN: Thomas Jefferson University, Jefferson College of Nursing
MSN: Thomas Jefferson University, Jefferson College of Nursing
Licensures/Certifications:
• 
Pennsylvania License: Family Nurse Practitioner
Board Certified: Family Nurse Practitioner
Languages Spoken: English, Spanish
Sites where Ms. Brix sees patients: Kensington

Sara Buxton, CRNP, MSN

Family Nurse Practitioner

Sara Buxton, CRNP, MSN is a board-certified Family Nurse Practitioner at Esperanza Health Center.  Originally from Alabama, she joined the Esperanza team in 2020, along with her husband, Jonathan Buxton, who serves as a Care Team Nurse.  They were drawn to the mission, teamwork, patients, and community of Esperanza Health Center, which Sara learned about at a Christian Community Health Fellowship conference in 2012. They are eager to discover this new city and all that God is doing here. Sara has a passion for providing physical, spiritual, and emotional care for patients of all ages and their families. She is eager to walk beside her patients towards healing through medicine, prayer, and relationship.  In their free time, Sara and her husband enjoy hiking, going to coffee shops, exploring new places, and spending time with family and friends.

BA: Wheaton College

MSN: University of Alabama at Birmingham

Licensures/Certifications

• Pennsylvania License: Certified Registered Nurse Practitioner

• Board Certified: Family Nurse Practitioner

Languages spoken: English, Spanish

Sites where Ms. Buxton sees patients: Kensington and Fifth Street 

Daria Chacón, MD

Associate Medical Director, Internal Medicine/Pediatrics Physician

Daria Chacón, MD is a board certified Internal Medicine/Pediatrics Physician and Associate Medical Director at Esperanza Health Center. Dr. Chacón completed her Medicine residency at the Hospital of University of Pennsylvania, and her Pediatrics residency at the Children’s Hospital of Philadelphia. She lives in Camden, NJ with her husband and two daughters, and enjoys playing soccer, ice skating, and cooking with them. She has worked at Esperanza Health Center since 2011, and has been blessed by the privilege of walking with patients and staff as we together seek physical, emotional, and spiritual healing, and wholeness in a broken world.

BA, BS: Taylor University
MD: Temple University School of Medicine
Postgraduate: Hospital of the University of Pennsylvania and Children’s Hospital of Philadelphia, Internal Medicine and Pediatrics Internship and Residency
Licensures/Certifications:
• Pennsylvania License: Physician
• Board Certified: Internal Medicine, Pediatrics
Languages Spoken: English, Spanish
Sites where Dr. Chacón sees patients: Kensington

Charlene Chen, MD

Family Medicine Physician

Charlene Chen, MD, who joined Esperanza’s staff in 2013 as a board certified Family Medicine Physician, provides care for children, adults, and pregnant women. She loves getting to know and care for whole families, from birth to old age. Her husband, Daniel Chen, MD serves as an Internal Medicine Physician at Esperanza. Together, they enjoy seeing the beautiful ways God is working in North Philadelphia, and learning from all those around them here—especially their warmth and generosity. In her free time, she enjoys cooking and eating with her husband and their friends—their home is always open to anyone with a hungry belly!

BS: Pennsylvania State University
MD: Jefferson Medical College of Thomas Jefferson University
Postgraduate: Crozer-Keystone Health System, Family Medicine Residency
Licensures/Certifications:
• Pennsylvania License: Physician
• Board Certified: Family Medicine
Languages Spoken: English, Spanish
Site where Dr. Charlene Chen sees patients: Kensington

Daniel Chen, MD

Internal Medicine Physician

Daniel Chen, MD is a board certified Internal Medicine Physician at Esperanza Health Center. Dr. Chen joined Esperanza Health Center in 2012. In his free time, Dr. Chen loves to cook and enjoys a good musical. He is thankful for the opportunity to serve God and our community by sharing His love through medicine. Dr. Chen sees patients at our Hunting Park location.

BA: Pomona College
MD: Jefferson Medical College of Thomas Jefferson University
Postgraduate: Temple University Hospital, Internal Medicine Internship and Residency
Licensures/Certifications:
• Pennsylvania License: Physician
• Board Certified: Internal Medicine
Languages Spoken: English, Spanish
Site where Dr. Daniel Chen sees patients: Hunting Park

Amanda Davis, MD

Pediatrician

Amanda Davis, MD joined Esperanza Health Center in 2019 as a pediatrician. Dr. Davis is a cum laude graduate of Harvard University and received her doctor of medicine degree the Perelman School of Medicine at the University of Pennsylvania. She completed her pediatric residency at Children’s Hospital of Philadelphia. She enjoys singing and music composition, and is a worship team member at her church, Christ Community Church of Philadelphia. As a pediatrician, she seeks to demonstrate God’s love through the care she provides to her patients. In addition to Spanish, Dr. Davis also speaks French and conversational American Sign Language.

AB: Harvard University
MD: Perelman School of Medicine, University of Pennsylvania
Postgraduate: Children’s Hospital of Philadelphia
Licensures/Certifications:
• Pennsylvania License: Physician
Languages Spoken: English, Spanish, French, American Sign Language (conversational)
Sites where Dr. Davis sees patients: Kensington

Dominic Derenge, DO

Family Medicine Physician

Dr. Dominic Derenge joined Esperanza’s staff in 2018 as a board certified Family Medicine Physician and provides care for children, adults, pregnant women, and people living with HIV. He first developed interest in Family Medicine while in college volunteering with Spanish speaking patients at a Christian clinic very similar to EHC. In medical school, he was awarded a three-year academic scholarship and teaching fellowship where he conducted research, taught medical students, and received specialized training in Osteopathic Manipulative Medicine. He is now very excited to serve the great people of Philadelphia through providing competent and compassionate medical care in the name of Jesus. In his free time, he enjoys spending time with his wife Christina, who is a Behavioral Health Consultant at Esperanza, and his church family. He also enjoys music, cooking, and fitness.

BS: Arizona State University
DO: Arizona College of Osteopathic Medicine—Midwestern University
Postgraduate: Crozer-Keystone Health System, Family Medicine Residency
Research Interests: Medical Education, Diagnostic reasoning, cognitive errors, Osteopathic Manipulative Treatment.
Licensures/Certifications
• Pennsylvania License: Physician
• Board Certified: Family Medicine
Languages Spoken: English, Spanish
Site where Dr. Dominic Derenge sees patients: Hunting Park, Fifth Street

Corin Dickinson, CRNP, MSN
Family Nurse Practitioner

Corin Dickinson, CRNP, MSN, Family Nurse Practitioner, joined Esperanza Health Center in 2020. Ms. Dickinson grew up locally in Souderton, PA and is quite familiar with the Greater Philadelphia region. She completed her associate of science in nursing degree at Montgomery County Community College in 2013 and her master of science in nursing from UNC-Chapel Hill. She pursued nursing because she always wanted to help people and also had an interest in health and science. It wasn’t until she worked as an RN that she realized how we are all broken in some capacity and we all need healing, which only God can truly provide.

Associate Degree, Nursing: Montgomery County Community College
MSN: University of North Carolina at Chapel Hill
Licensures/Certifications:

  • Pennsylvania License: Pediatric Nurse Practitioner, Registered Nurse
  • Languages Spoken: English, Spanish
    Site where Ms. Dickinson sees patients: Kensington

    Keri Duggan, CRNP, MSN

    Pediatric Nurse Practitioner

    Keri Duggan, CRNP, MSN is a Pediatric Nurse Practitioner at Esperanza Health Center. She is a graduate of Wheaton College and the Vanderbilt University School of Nursing, where she received her Master of Science in Nursing Degree and was a member of the Sigma Theta Tau nursing honor society. After having completed one of her preceptorships for graduate school in Philadelphia in the summer of 2015, Ms. Duggan fell in love with the city and decided to return to join Esperanza’s clinical team in 2017. She is eager to serve her patients and their families and to learn from them. In her spare time, she enjoys running, hiking, reading, playing lacrosse, and spending time with family and friends.

    BS: Wheaton College
    MSN: Vanderbilt University School of Nursing
    Licensures/Certifications:
    • Pennsylvania License: Pediatric Nurse Practitioner
    Languages Spoken: English, Spanish
    Site where Ms. Duggan sees patients: Hunting Park

    Bryan Hollinger, MD, MPH

    Medical Director, Internal Medicine/Pediatrics Physician

    Bryan Hollinger, MD, MPH is a board certified Internal Medicine/Pediatrics Physician and Medical Director at Esperanza Health Center. Dr. Hollinger has served as a physician at Esperanza Health Center since 1994, and has served as Esperanza’s Medical Director since 2000. He is a graduate of the Rochester Institute of Technology and the Pennsylvania State University College of Medicine, and also holds a Masters degree in Public Health with emphasis in Epidemiology from the University of North Carolina’s School of Global Public Health. He enjoys enjoy biking, birding and camping with his family.

    BS: Rochester Institute of Technology
    MD: Pennsylvania State University College of Medicine
    MPH: University of North Carolina, School of Global Public Health
    Postgraduate: University of North Carolina Hospitals, Combined Residency in Internal Medicine and Pediatrics
    Licensures/Certifications:
    • Pennsylvania License: Physician
    • Board Certified: Internal Medicine, Pediatrics
    Languages Spoken: English, Spanish
    Sites where Dr. Hollinger sees patients: Hunting Park, Kensington

    Timothy Johnston, MD

    Hunting Park Site Medical Director, Internal Medicine/Pediatrics Physician

    Timothy Johnston, MD is a board certified Internal Medicine/Pediatrics Physician and Hunting Park Site Medical Director at Esperanza Health Center. He has worked at Esperanza Health Center since 2006. Dr. Johnston enjoys playing trombone and piano, camping, reading, and biking, though playing with his four young girls is what he usually enjoys in his free time these days. He delights in recruiting patients to be his partners moving towards health. He is committed to remaining as current as possible in the science of medicine, but also wants to help his patients look out for some ways that medical science tends to move patients away from true health. As a weak, limited man, he seeks the power and direction of the great physician Jesus Christ in leading patients toward health. His favorite piece of Scripture is Psalm 69:13: “But as for me, my prayer is to you, O LORD. At an acceptable time, O God, in the abundance of your steadfast love, answer me in your saving faithfulness.”

    BS: Wheaton College
    MD: Indiana University School of Medicine
    Postgraduate: University of North Carolina Hospitals, Combined Residency in Internal Medicine and Pediatrics
    Licensures/Certifications:
    • Pennsylvania License: Physician
    • Board Certified: Internal Medicine, Pediatrics
    Languages Spoken: English, Spanish
    Site where Dr. Johnston sees patients: Hunting Park

    Jane Jue, MD, MSc

    Internal Medicine Physician

    Jane Jue, MD, MSc is a board certified Internal Medicine Physician at Esperanza Health Center. She is married and has a daughter and a son, and a yellow lab. She and her family are active members at Tenth Presbyterian Church in Philadelphia.

    AB: Princeton University
    MD: Mount Sinai School of Medicine
    MSc: University of Pennsylvania
    Postgraduate: Mount Sinai Medical Center, Internal Medicine Internship and Residency
    Licensures/Certifications:
    • Pennsylvania License: Physician
    • Board Certified: Internal Medicine
    Languages Spoken: English, Spanish, Korean
    Site where Dr. Jue sees patients: Hunting Park

    Daniel Kim, MD

    Pediatrician

    Daniel Kim, MD, Pediatrician, joined Esperanza in 2020. Dr. Kim knew he wanted to work at Esperanza since completing an SMI term back in 2014 while he was a medical student at SUNY Downstate College of Medicine in Brooklyn, NY. Growing up in the working-class community of 

    Woodside, NY and being a child of immigrant parents, he recognized that part of his calling was to work in medically-underserved areas. While completing his residency training in pediatrics at Maria Fareri Children’s Hospital, he gained experience working for Open Door Family Health Center in Ossining, NY, which serves a predominantly Hispanic and immigrant population. One of his favorite verses is Philippians 3:8. He hopes that through Esperanza he can continually grow in Christ, with others, and to help bring others to Him.

    BS: Boston College
    MD: SUNY Downstate College of Medicine
    Postgraduate: Maria Fareri Children’s Hospital/Westchester Medical Center
    Licensures/Certifications:

    • Pennsylvania License: Physician
    • Board Certified: Pediatrics

    Languages Spoken: English, Spanish, Korean
    Site where Dr. Kim sees patients: Kensington, Hunting Park

    Laura Layer, MD

    Pediatrician

    Laura Layer, MD is a board certified Pediatrician at Esperanza Health Center. She has served as a pediatrician at Esperanza since 1991. Through her church, Tenth Presbyterian Church in Philadelphia, she enjoys involvement in the Global Outreach Committee, Medical Campus Outreach and mentoring, and also participates in neighborhood activities. Her favorite verses of scripture are Isaiah 55 and 2 Cor. 5:16-21.

    BA: Duke University
    MD: Vanderbilt University Medical School
    MA: Westminster Theological Seminary
    Postgraduate: Children’s Hospital of Philadelphia, Pediatrics Resident Physician
    Licensures/Certifications:
    • Pennsylvania License: Physician
    • Board Certified: Pediatrics
    Languages Spoken: English, Spanish
    Site where Dr. Layer sees patients: Kensington

    Timothy Leaman, MD

    Kensington Site Medical Director, Family Medicine Physician

    Timothy Leaman, MD is a board certified Family Medicine Physician and is the Kensington Site Medical Director at Esperanza Health Center. A graduate of Eastern Mennonite University and the Temple University School of Medicine, he has worked at Esperanza Health Center since 2001. Dr. Leaman enjoys ethnic restaurants, reading, and following the Philadelphia sports teams. His approach to medicine is to help people and communities to experience health and well-being physically, emotionally and spiritually. He desires to see those who live in our communities stay healthy, so that they can participate in restoring/rebuilding our neighborhoods (Isaiah 61:1-4; “They will be called oaks of righteousness, a planting of the Lord…They will restore the places long devastated”). Dr. Leaman and his wife have three children.

    BS: Eastern Mennonite University
    MD: Temple University
    Postgraduate: Thomas Jefferson University Hospital, Jefferson Family Medicine Residency
    Licensures/Certifications:
    • Pennsylvania License: Physician
    • Board Certified: Family Medicine
    Languages Spoken: English, Spanish
    Site where Dr. Leaman sees patients: Kensington

    Christopher Leander, MD

    Pediatrician

    Christopher Leander, MD is a board certified Pediatrician at Esperanza Health Center. He has worked at Esperanza Health Center since 2009. His favorite piece of scripture is 2 Corinthians 4:16-18: “Though outwardly we are wasting away, yet inwardly we are being renewed day by day. For our light and momentary troubles are achieving for us an eternal glory that far outweighs them all. So we fix our eyes not on what is seen, but on what is unseen, since what is seen is temporary, but what is unseen is eternal.” His approach to medicine is to build relationships with children and families and look for ways to promote healthy growth and development: help to “bring out” the image of God in which they were created. Dr. Leander and his family reside in the North Philadelphia community served by Esperanza.

    BA: Dartmouth College
    MD: Weill Medical College of Cornell University
    Postgraduate: Rainbow Babies and Children’s Hospital, Pediatric Resident
    Licensures/Certifications:
    • Pennsylvania License: Physician
    • Board Certified: Pediatrics
    Languages Spoken: English, Spanish
    Sites where Dr. Leander sees patients: Hunting Park

    Kristie Mast, MD

    Family Medicine Physician

    Kristie Mast, MD is a board certified Family Medicine Physician at Esperanza Health Center. Dr. Mast has worked at Esperanza Health Center since 2001. At Esperanza, she is appreciative of the long-term relationships that she has been able to develop with many of her patients. In her spare time, she enjoys baking and running.

    BS: Wheaton College
    MD: Medical College of Pennsylvania
    Postgraduate: Montgomery Family Practice Residency
    Licensures/Certifications:
    • Pennsylvania License: Physician
    • Board Certified: Family Medicine
    Languages Spoken: English
    Site where Dr. Mast sees patients: Hunting Park

    Faith Pullinger, MD

    Obstetrician/Gynecologist

    Faith Pullinger, MD is a board certified Obstetrician/Gynecologist who joined Esperanza’s staff in 2016. A graduate of Grove City College, she completed her medical training at the Pennsylvania State University College of Medicine in Hershey, PA and her residency in obstetrics and gynecology at Abington Memorial Hospital. She spends her free time watching her new baby grow and discovering God’s creation. Dr. Pullinger’s favorite activities include singing, running, and hiking as many mountains as possible, preferably doing all three with her husband by her side. She thanks the Lord for opening doors to be able to provide comprehensive women’s healthcare at a Christian clinic like Esperanza.

    BA: Grove City College
    MD: Pennsylvania State University College of Medicine
    Postgraduate: Abington Memorial Hospital
    Licensures/Certifications:
    • Pennsylvania License: Physician
    • Board Certified: Obstetrics/Gynecology
    Languages Spoken: English
    Site where Dr. Pullinger sees patients: Hunting Park, Kensington

    Rita Ramos, MD

    Internal Medicine/Pediatrics Physician

    Rita Ramos, MD is a board certified Internal Medicine/Pediatrics Physician who joined Esperanza in 2018 and provides care for children and adults. During her training she was able to travel to many countries around the world for medical missions. Through this God grew in her a love of people from different backgrounds and cultures. Most recently she worked as hospitalist in Abington, PA while she cared for her small children. She is excited be back in Hunting Park, where she and her husband met. Says Dr. Ramos: “I feel privileged to be able to partner with patients, walking with them through the joys and sorrows of life, seeking wholeness in a broken world.” In her free time she enjoys gardening, hiking, and biking with her husband and two boys.

    BS: University of South Carolina
    MD: Medical University of South Carolina
    Postgraduate: Combined Internal Medicine and Pediatrics Residency at Hospital of the University of Pennsylvania and The Children’s Hospital of Philadelphia
    Licensures/Certifications:
    • Pennsylvania License: Physician
    • Board Certified: Internal Medicine, Pediatrics
    Languages Spoken: English, Spanish
    Site where Dr. Ramos sees patients: Hunting Park

    Kristin Romeo, CRNP, MSN

    Family Nurse Practitioner

    Kristin Romeo, CRNP, MSN is a board certified Family Nurse Practitioner at Esperanza Health Center. She decided to become a nurse after spending two years in the Peace Corps living in an indigenous village in Ecuador, where she saw the effects of healthcare disparities. Ms. Romeo also previously worked for Doctors Without Borders on assignments in South Sudan, the Democratic Republic of the Congo, and Honduras. She enjoys eating her grandmom’s homemade ravioli, reading all kinds of books, and spending time with family. She is thankful to have the privilege of working at Esperanza, where she continues to learn so much from her patients and colleagues, and where she has the opportunity of daily witnessing the work that God is doing in North Philadelphia.

    BA: Rice University
    BSN: Thomas Jefferson University, Jefferson College of Nursing
    MSN: Thomas Jefferson University, Jefferson College of Nursing
    Licensures/Certifications:
    • Pennsylvania License: Family Nurse Practitioner
    • Board Certified: Family Nurse Practitioner
    Languages Spoken: English, Spanish, French
    Site where Ms. Romeo sees patients: Kensington

    Jenise Ropp, DNP, CRNP

    Family Nurse Practitioner

    Jenise Ropp, DNP, CRNP is a board-certified Family Nurse Practitioner at Esperanza Health Center. Originally from Minnesota, she received her graduate training in Bismarck, North Dakota, and previously worked as a registered nurse at a critical-access hospital in rural Minnesota in the medical/surgical, emergency, and labor/delivery departments. She was drawn to Esperanza after hearing about their Christ-centered, holistic approach to patient care. Ms. Ropp especially enjoys the opportunity to hear people’s stories and provide care for individuals across the lifespan. In her free time, she loves traveling, reading, spending time with friends, and experimenting in the kitchen.

    BSN: Bemidji State University

    DNP: University of Mary

    Licensures/Certifications:

    • Pennsylvania License: Certified Registered Nurse Practitioner

    • Board Certified: Family Nurse Practitioner – American Academy of Nurse Practitioners

    Research Interest: Diagnosis and Management of Fibromyalgia

    Languages Spoken: English, Spanish

    Sites where Ms. Ropp sees patients: Hunting Park

     

    Maryann Salib, DO, MPH

    Associate Medical Director of Community Health and Wellness

    Maryann Salib, DO, MPH is a Preventive Medicine and Public Health trained physician who joined Esperanza as Associate Medical Director of Community Health and Wellness in September 2018. She is of Egyptian descent, born and raised in Maryland. She received her DO degree from Lake Erie College of Osteopathic Medicine and her MPH from Case Western Reserve University School of Medicine. She rotated at Esperanza as a medical student in 2012, and is thankful for the opportunity that God has given her to become part of the team. She enjoys caring for patients on an individual level and community level. She is looking forward to using her public health and clinical training to bridge the gap between the clinic and the community, and to develop community partnerships to address the social determinants of health that keep our patients from health and wellness.

    BS: University of Maryland Baltimore County
    DO: Lake Erie College of Osteopathic Medicine (Greensburg)
    MPH: Case Western Reserve University School of Medicine
    Postgraduate Training: Preventive Medicine Residency at University Hospitals Cleveland Medical Center/Case Western Reserve
    Languages Spoken: English, Arabic, Spanish
    Sites where Dr. Salib sees patients: Kensington

    Kirstin Sanborn, DO

    Family Medicine Physician

    Kirstin Sanborn, DO joined the Esperanza staff in 2015 as a board certified Family Medicine Physician; she holds a second board certification in Neuromusculoskeletal Medicine. She is a graduate of A.T. Still University/Kirksville College of Osteopathic Medicine in Kirksville, MO and completed her residency and fellowship at St. Barnabas Hospital in The Bronx, NY. Dr. Sanborn lives in Norristown, PA with her husband and two puppies and enjoys running, playing soccer, playing board games and spending time with friends and family.

    DO: A.T. Still University/Kirksville College of Osteopathic Medicine
    Postgraduate: St. Barnabas Hospital in The Bronx, NY
    Licensures/Certifications:
    • Pennsylvania Licenses: Family Medicine, Neuromusculoskeletal Medicine
    Languages Spoken: English, Spanish
    Site where Dr. Sanborn sees patients: Fifth Street

    Stephanie Senyo, PA-C, MSPAS

    Assistant Medical Director – OB/GYN, Primary Care and OB/GYN Physician Assistant

    Stephanie Senyo, PA-C, MSPAS is a board certified Physician Assistant at Esperanza Health Center with a specialty in OB/GYN health care, and serves as Esperanza’s Assistant Medical Director for OB/GYN. She joined Esperanza in 2010. A mother of two, Ms. Senyo enjoys running, swimming, and reading. Her favorite piece of scripture is Psalm 139. She has a passion for women’s healthcare and health education.

    BA: University of Pittsburgh
    MSPAS: University of Kentucky College of Health Sciences, Physician Assistant Studies Program
    Postgraduate: Arrowhead Regional Medical Center, OB/GYN Physician Assistant Residency Program
    Licensures/Certifications:
    • Pennsylvania License: Physician Assistant
    • Board Certified: Physician Assistant
    Languages Spoken: English, Spanish
    Site where Ms. Senyo sees patients: Kensington

    Christine Strickland, CRNP, MSN

    Family Nurse Practitioner

    Christine Strickland, CRNP, MSN is a board certified Family Nurse Practitioner at Esperanza Health Center. She received her undergraduate degree from the University of Scranton and her graduate degree from the University of Pennsylvania School of Nursing. She has worked as a nurse in cardiovascular, medical-surgical, emergency, home care, and rural health settings in Philadelphia, New York City, and Cameroon. Mrs. Strickland is thankful for the opportunity to accompany her patients at Esperanza as they journey together toward health and into deeper relationship with God. She and her husband enjoy hiking, cycling, trying new foods, and talking about someday taking salsa lessons together.

    BSN: University of Scranton
    MSN: University of Pennsylvania School of Nursing
    Licensures/Certifications:
    • Pennsylvania License: Certified Registered Nurse Practitioner
    • Board Certified: Family Nurse Practitioner
    Languages Spoken: English, Spanish, French
    Sites where Ms. Strickland sees patients: Kensington

    Haydon Tucker, MSN, RN, FNP-C

    Family Nurse Practitioner

    Haydon Tucker, MSN, RN, FNP-C, joined the Esperanza providers’ roster in 2021 as a Family Nurse Practitioner. Originally from a small mountain town just outside of Chattanooga, TN, Haydon grew up embracing the beauty and wonder of the great outdoors. She completed her studies at Vanderbilt University, School of Nursing where she graduated with a BS in child development, and an MSN in 2020. Haydon felt led to healthcare in response to Jesus’ call to love our neighbors tangibly and sacrificially. She was drawn to Esperanza because of how the call to serve is answered by the staff and clinicians in this community. She feels excited to partner with and love our neighbors toward physical, emotional, and spiritual health. In her free time, Haydon loves to be outside in any capacity that includes; hiking, walking, running, and wandering into the woods. Indoors she may be found reading, cooking, jamming to music, or with loved ones. As a new Philly resident, she already is in love with the city.

    BS, MSN: Vanderbilt University, School of Nursing
    Licensures/Certifications:

    • American Academy of Nurse Practitioners Certified: Family Nurse Practitioner
    • Tennessee License: Certified Registered Nurse
    • American Heart Association: Basic Life Support (BLS)
    • NARCAN Certified: Opiate Overdose Prevention

    Languages Spoken: English, Spanish
    Site where Ms. Tucker sees patients: Hunting Park

    Sarah Wilson, DO

    Family Medicine Physician

    Sarah Wilson, DO, Family Medicine Physician at Esperanza, is a graduate of the Philadelphia College of Osteopathic Medicine, and completed her internship and residency in family medicine at the University of Nebraska Medical Center/Ehrling Bergquist Clinic at Offutt AFB in Omaha, NE. Before joining Esperanza in 2017, Dr. Wilson served with Affinia Healthcare, a federally-qualified health center in Saint Louis, MO. Dr. Wilson shadowed at Esperanza in 2006 while attending medical school, and she is excited to return to the North Philadelphia community to serve at Esperanza. She and her husband have three young children, and love to spend evenings with friends, family and neighbors.

    BS: Pennsylvania State University
    DO: Philadelphia College of Osteopathic Medicine
    Postgraduate: University of Nebraska Medical Center/ Ehrling Bergquist Clinic

    Licensures/Certifications:
    • Pennsylvania License: Family Medicine
    • Board Certified: Family Medicine
    Languages Spoken: English, Spanish
    Site where Dr. Wilson sees patients: Fifth Street, Hunting Park

    Steven Wood, CRNP, MSN

    Family Nurse Practitioner

    Steven Wood, CRNP, MSN, Family Nurse Practitioner joined the Esperanza staff in 2020. Originally from a small town in southern Illinois, he is a graduate of Vanderbilt University in Nashville, TN, where he received his undergraduate and graduate degrees. Steven was drawn to Esperanza by the caring and dedicated staff and its mission to glorify God through relational, holistic, high-quality healthcare. He is excited about the opportunity to contribute to this mission alongside such an experienced and committed team. In his free time, he enjoys running, backpacking, reading and volunteering with the youth program at his church.

    BS, MSN: Vanderbilt University
    Licensures/Certifications:

    • Pennsylvania License: Certified Registered Nurse Practitioner
    • Board Certified: Family Nurse Practitioner

    Languages Spoken: English, Spanish
    Site where Mr. Wood sees patients: Kensington

    Sharon Yang, CRNP, MSN

    Adult and Geriatric Nurse Practitioner

    Sharon Yang, CRNP, MSN is a board certified Adult and Geriatric Nurse Practitioner at Esperanza Health Center. Ms. Yang joined Esperanza Health Center in 2012. She lives with her husband, Chung, and their daughter, Olivia and son, Elliot. She is originally from Queens, New York, and loves to run, chase after Olivia, and sleep.

    BSN: University of Pennsylvania School of Nursing
    MSN: University of Pennsylvania School of Nursing, Adult-Gerontology Primary Care Nurse Practitioner Program
    Licensures/Certifications:
    • Pennsylvania License: Certified Registered Nurse Practitioner
    • Board Certified: Adult and Geriatric Nurse Practitioner
    Languages Spoken: English, Spanish, Korean
    Site where Ms. Yang sees patients: Kensington

    Katherine Yori-Biermaas, CRNP, ACLS

    Katherine Yori-Biermaas, CRNP, joined the Esperanza staff in 2020 as a Family Nurse Practitioner. Born and raised in the Philadelphia suburbs, Katherine completed her education close to home receiving a BS in Kinesiology at Temple University, and an accelerated BSN at Drexel. She felt God’s leading over her life to serve in healthcare and loves to care for people’s well-being, the Bible verses of Isaiah 17:7-8 continue to be her motivation.pastor of hers from over 10 years ago shared the mission of Esperanza with her, and as she prayed for where to work, Esperanza became a home. She strives to listen to her patients well and hear their thoughts and concerns, all while trying to implement quality and evidence-based care. Katherine loves to spend time with her immediate and extended family: husband Nathan and her children Lucas and Allona (“Lonnie”). She also enjoys running, cycling, and swimming and has very much enjoyed being on the Philly marathon pace team.


    BS: Temple University Kinesiology. Drexel University- Accelerated BSN. 
    Family nurse practitioner: Simmons College.
    Licensures/Certifications: CRNP, ACLS. 
    Languages Spoken: English, Spanish.
    Esperanza site(s) where your patients will be seen: Hunting Park.

    Charles Young, CRNP, MSN

    Family Nurse Practitioner

    Charles Young, CRNP, MSN is a board certified Family Nurse Practitioner at Esperanza Health Center. Originally from Queens, NY and a graduate of State University of New York at Binghamton, Charles received his graduate degree from the University of Pennsylvania School Of Nursing and previously worked as a emergency room nurse at the Children’s Hospital of Philadelphia and Hospital of the University of Pennsylvania. After observing the patient-centered care and the commitment to love people with the love of Christ at Esperanza during a shadowing experience at the clinic, Charles knew that he wanted to join the clinical team as well. He is thankful for the privilege of caring and walking with the community at Esperanza in their journeys with God.

    BSN: SUNY Binghamton
    MSN: University of Pennsylvania School of Nursing
    Licensures/Certifications:
    • Pennsylvania License: Certified Registered Nurse Practitioner
    • Board Certified: Family Nurse Practitioner
    Languages Spoken: English, Spanish
    Site where Mr. Young sees patients: Kensington