Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Marc A. Zitin, MD

Individual provider Gastroenterology Physician · NPI 1548237423

Marc A. Zitin, MD is a Gastroenterology in Wynnewood, Pennsylvania. Graduated from Hahnemann University College of Medicine in 1985, 41 years ago. Practices with Regional Gastroenterology Associates of Lancaster, Ltd, a 251-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
41
Trained at
Hahnemann University College of Medicine
Licensed in
PA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

100 E Lancaster Ave Lankenau Medical Bldg East Ste 252
Wynnewood, PA 19096-3450
Phone: (610) 896-7360
Fax: (610) 896-5207
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD038071E (PA)

Record details

NPI number1548237423
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 1, 2006
Last updated in NPPESNovember 2, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolHAHNEMANN UNIVERSITY COLLEGE OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Regional Gastroenterology Associates Of Lancaster, Ltd. — 251 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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