HealthCareAtlasUSA

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Doctors / PA

JOHN H MARKS, MD

COLORECTAL SURGERY (PROCTOLOGY)

Medical school: JEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY

Graduated: 1989

NPI: 1346212594

Practice Locations (2)

MAIN LINE HEALTHCARE

830 OLD LANCASTER RD

BRYN MAWR, PA 190103118

MAIN LINE HEALTHCARE

100 E LANCASTER AVE

WYNEWOOD, PA 190963450

Source: CMS National Downloadable File, September 2026.

JOHN MARKS, MD | HealthCareAtlasUSA