Internal Medicine, Geriatric Medicine in QUINCY, MA
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Mark Stephan Ostrem, MD, is a physician specializing in Internal Medicine and Geriatric Medicine based in Quincy, MA.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
Dr. MARK STEPHAN OSTREM specializes in Internal Medicine, Geriatric Medicine.
Dr. MARK STEPHAN OSTREM practices in QUINCY, MA.
Dr. MARK STEPHAN OSTREM's NPI number is 1811985633.