Sonia Estevez

Pediatric and Adolescent Health Center

Medical Receptionist

Ext. 459
Sonia Estevez photo


Sonia Estevez brings ten years of experience in health-related positions, including customer service, medical billing, and medical reception (where she has served as a supervisor). She is fluent in both English and Spanish. She is also a certified HIV tester through AACO and TALC. Her long term aspiration is to become a behavioral health specialist where she can support individuals who are struggling with drug addiction. Sonia has a warm and welcoming demeanor that will be appreciated by all who enter our doors. She lives in Philadelphia where she cares for her father and 5 boys.

Spotlight On

Karam Mounzer, MD

Dr. Mounzer identified two major gaps in the care of patients with HIV/hepatitis C (HCV) co-infection, and the complexity of multidrug-resistant HIV treatment. He is involved with many clinical trials focusing on drug development and better understanding of HIV immunopathogenesis with the Wistar Institute. He is involved in teaching and mentoring.

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Dr. Karam Mounzer

Dr. Mario Cruz

Dr. Mario CruzDr. Cruz is a board certified pediatrician who serves as the Medical Director for our Pediatrics and Adolescent Health Center. He has presented and/or published in the fields of community violence and domestic violence prevention, quality improvement, behavioral health, curriculum development and mentorship. In 2019 he received the Greater Philadelphia Social Innovation Award for Innovations in Healthcare.

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