Karam Mounzer, MD
Jonathan Lax Treatment Center, Medical Leadership
Chief Scientific Officer
Mario Cruz, MD
Medical Leadership, Pediatric and Adolescent Health Center
Medical Director
Jay Kostman, MD
John Bell Health Center, Medical Leadership
Master Clinician
Sarah Smith, PA-C, MHS, AAHIVS
Jonathan Lax Treatment Center, Medical Leadership
Chief Quality Officer
Kate Cerrone, CRNP
John Bell Health Center, Pediatric and Adolescent Health Center
Bilingual Nurse Practitioner
Anita DeVore
Jonathan Lax Treatment Center
Care Coordination Nurse
Natasha Dubois, MPH, MSN, CRNP-PC
Pediatric and Adolescent Health Center, Y-HEP Adolescent and Young Adult Health Center
Pediatric Nurse Practitioner
Brittney Harrington, BSN,RN
Clinica Bienestar, John Bell Health Center
Care Coordination Nurse
Kari Hexem, DMD, MPH
FIGHT Family Dentistry, Medical Leadership
Chief Dental Officer
Janet Hines, MD
Jonathan Lax Treatment Center, Medical Leadership
Master Clinician
Bo Hwa Lee, CRNP, FNP-BC
C a Difference / Hepatitis C, John Bell Health Center
Nurse Practitioner
Mariah Jones, PA-C
Jonathan Lax Treatment Center
Angela Kapalko, PA-C, MS, AAHIVS
Jonathan Lax Treatment Center
Education Coordinator for Advanced Practice Clinicians
Rebecca Keuch, MSN, CRNP
Y-HEP Adolescent and Young Adult Health Center
Family Nurse Practitioner
Lisa Knoflicek, MD, IBCLC
Pediatric and Adolescent Health Center
Pediatrician and Lactation Consultant
Daniel Mariche-Poirot, DMD
FIGHT Family Dentistry
General Dentist
Kayla Orenstein, BSN, RN
John Bell Health Center
Nurse Manager
Grace Paik, MSN, CRNP
Jonathan Lax Treatment Center
Nurse Practitioner
Leland Perzanowski, BSN, RN
Y-HEP Adolescent and Young Adult Health Center
Nurse Manager
Lizzy Schmidt, MSN, CRNP
Women’s Health
Director of the Jonathan Lax Center Women’s Program
Clare Schoenberg
Community Health Centers Clinic at Broad Street Ministry, John Bell Health Center
Broad Street Ministry Physician Assistant
Tatyana Straus, DMD, MBE
FIGHT Family Dentistry
Dental Director
Stacey Trooskin, MD, PhD, MPH
C a Difference / Hepatitis C, Jonathan Lax Treatment Center, Medical Leadership
Chief Medical Officer
Franklin Yates, MD, MA
John Bell Health Center
Staff Physician of the John Bell Health Center
Dr. 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.