HealthCareAtlasUSA

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Doctors / MI

JOHN K BARTNIK, MD

HEMATOLOGY/ONCOLOGY

Graduated: 1983

Also: INTERNAL MEDICINE

NPI: 1740211275

Practice Locations (1)

ONCOLOGY HEMATOLOGY ASSOCIATES OF SAGINAW VALLEY, P.C.

5400 MACKINAW RD, SUITE 4200

SAGINAW, MI 486049533

9897912330

Source: CMS National Downloadable File, September 2026.

JOHN BARTNIK, MD | HealthCareAtlasUSA