This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / MD

PETER JOHNSTON, MD

CARDIOVASCULAR DISEASE (CARDIOLOGY)

Medical school: UNIVERSITY OF MICHIGAN MEDICAL SCHOOL

Graduated: 2000

Also: INTERNAL MEDICINE

NPI: 1629128830

Practice Locations (1)

JOHNS HOPKINS UNIVERSITY

600 N WOLF ST

BALTIMORE, MD 212870005

4109555000

Source: CMS National Downloadable File, September 2026.

PETER JOHNSTON, MD | HealthCareAtlasUSA