Meet Our Team, CHOP's Pulmonary Hypoplasia Program | The Children's Hospital of Philadelphia

Pulmonary Hypoplasia Program

Meet the Pulmonary Hypoplasia Program Team

PHP Team
CHOP's Pulmonary Hypoplasia Program team.

General Surgery

Holly Hedrick, MD
Attending Pediatric Surgeon
Director, Pulmonary Hypoplasia Program
Co-director, Neonatal Surgery Team
Surgical Director, ECMO Program

Pablo Laje, MD
Attending Pediatric Surgeon

William Peranteau, MD
Attending Pediatric Surgeon

Lisa Herkert, MSN, CRNP
Coordinator, Pulmonary Hypoplasia Program

Jocelyn Gmerek, MSN, CRNP
Nurse Practitioner

Joan Leahy
Care Coordinator

Pulmonary Medicine

Howard Panitch, MD
Attending Pediatric Pulmonologist
Director, Clinical Programs

Neonatal Follow-up

Judy Bernbaum, MD
Co-director and Attending Physician

Marsha Gerdes, PhD
Co-director and Psychologist

Susan Friedman, MD
Attending Physician

Casey Hoffman, PhD

Joann D’Agostino, DNP, CRNP
Nurse Practitioner


Brian Hanna, MDCM, PhD
Attending Pediatric Cardiologist
Director, Pulmonary Hypertension Program

Heather Meluskey, MSN, CRNP
Nurse Practitioner, Pulmonary
Hypertension Program

Rachel Tkaczyk, MSN, CRNP
Nurse Practitioner, Pulmonary
Hypertension Program

Steve Walker, MS, CRNP
Nurse Practitioner, Pulmonary
Hypertension Program


Robin Cook, MS, RD, LDN
Pediatric Surgical Dietitian

Social Services

Angela Sim-Laramee, MSW
Social Worker


Petar Mamula, MD
Attending Pediatric Gastroenterologist


Natalie Rintoul, MD
Attending Neonatologist
Co-director, Neonatal Surgery Team
Medical Director, ECMO Program


Norma Rendon Sampson, MS, CCRC
Manager, Clinical Outcomes Research

Speech Therapy

Kimberly Kelly, MA, CCC-SLP
Speech Language Pathologist


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