Kelly A. Gast, PA-C

Physician Assistant (PA)





Staci M. Johnston, CRNP, MSN

Nurse Practitioner (NP)



Marina Serper, MD, MS

Gastroenterology
5.0 with 30 ratings
Clinical expertise includes: Colonoscopy.
Programs: Penn Endoscopy and GI Diagnosis Services Penn Liver Diseases Program Penn Liver Metabolism and Fatty Liver Program Penn Liver Transplant Program Penn Virtual Visits

Penn Medicine provider


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