Sarah Ochs

Sarah grew up in the Lehigh Valley in the small rural town of Germansville. Following high school she attended DeSales University where she earned her Bachelors of Science in Medical Studies and Masters of Science in Physician Assistant Studies, graduating first in her class. During her clinical year at DeSales she completed her elective rotation [...]

Eric Nellis

Dr. Eric Nellis obtained a B.S. in biochemistry from Georgetown University where he graduated magna cum laude and also received his medical degree from the Georgetown University School of Medicine in Washington, DC. He then went on to complete his internship and internal medicine residency at Temple University Hospital in Philadelphia, PA. Following his residency [...]

Patrick Hickey

Dr. Patrick Hickey attended Virginia Tech for his B.S. in Biochemistry, and subsequently attended Edward Via College of Osteopathic Medicine - Virginia Campus (VCOM) for his medical degree.  He completed his Internal Medicine residency training at Lehigh Valley Health Network.  He then served as the Chief Medical Resident for the Internal Medicine residency program.  He [...]

Emily Nehme

Emily is originally from the Poconos.  She graduated from Lock Haven University of Pennsylvania with both a Bachelor’s of Health Science in May 2015 and Master’s of Health Science with a concentration in Physician Assistant Studies in May 2017. Prior to joining EPGI she worked in Gynecologic Oncology. In her spare time, she enjoys cooking [...]

Nicole C. Schock

Ms. Schock obtained her B.S.N. from Cedar Crest College and graduated from Villanova University with her M.S.N. in nursing education. She then furthered her education at DeSales University. She is a certified registered nurse practitioner and a member of the American Academy of Nurse Practitioners, Lehigh Valley Nurse Practitioner Association where she received her Post [...]

Craig C. Hartigan

Mr. Hartigan was born and raised in Phillipsburg NJ.   He attended Rutgers University in New Jersey for his undergraduate in Biology and DeSales University in Pennsylvania for his Masters in Physician Assistant studies, graduating in 2005.  He has been working for EPGI since 2009 seeing both office patients and rounding on hospital inpatients.  Previous to […]

Michelle Cullen

Michelle is from a small town in South Jersey named West Deptford.  She attended DeSales University for both her undergraduate and graduate degree in Physician Assistant Studies.  Since then, she has enjoyed working at EPGI, in both the hospital and office setting.  When not at work, she keeps herself busy with baking, exploring the Lehigh [...]

Zachary Zator

Dr. Zator was born and raised in Allentown, PA. He obtained his undergraduate degree from the University of Virginia where he graduated with high honors as an Echols Scholar. He then went on to obtain his medical degree from the University of Pittsburgh School of Medicine where he was selected to join the Alpha Omega […]

She-Yan Wong

Dr. Wong obtained her B.A. from Washington University and graduated from Jefferson Medical College of Philadelphia. She completed her residency training in Internal Medicine at McGaw Medical Center of Northwestern University and her Gastroenterology and Transplant Hepatology Fellowship at Thomas Jefferson University of Philadelphia.  She is board-certified in Gastroenterology and Transplant Hepatology by the American Board [...]

Frederic A. Stelzer

Dr. Stelzer obtained his Bachelor of Electrical Engineering from the City College of New York and graduated from St. Louis University School of Medicine.  He completed his residency training in Internal Medicine at SUNY College-Buffalo and was Chief Resident in Internal Medicine at Buffalo General Hospital. He completed his Gastroenterology Fellowship at Temple University Hospital. [...]