HealthCareAtlasUSA

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Doctors / OH

MARK JOHNS, MD

HEMATOLOGY/ONCOLOGY

Medical school: OHIO STATE UNIVERSITY COLLEGE OF MEDICINE

Graduated: 2001

NPI: 1407040884

Practice Locations (4)

ONCOLOGY HEMATOLOGY CARE INC

3301 MERCY HEALTH BLVD, SUITE 100

CINCINNATI, OH 452111104

5137512273

ONCOLOGY HEMATOLOGY CARE INC

4777 E GALBRAITH RD, SUITE 1

CINCINNATI, OH 452362725

5137512273

ONCOLOGY HEMATOLOGY CARE INC

601 IVY GATEWAY, SUITE 1

CINCINNATI, OH 452451898

5137512273

ONCOLOGY HEMATOLOGY CARE INC

3050 MACK RD, SUITE 300

FAIRFIELD, OH 450145376

5136824800

Source: CMS National Downloadable File, September 2026.

MARK JOHNS, MD | HealthCareAtlasUSA