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 / VA

MICHAEL GRASSIA, MD

NEPHROLOGY

Medical school: EASTERN VIRGINIA MEDICAL SCHOOL

Graduated: 1997

Also: INTERNAL MEDICINE

NPI: 1235128133

Practice Locations (1)

NEPHROLOGY ASSOCIATES OF TIDEWATER LTD

301 RIVERVIEW AVE, SUITE 600

NORFOLK, VA 235101065

7576277301

Source: CMS National Downloadable File, September 2026.

MICHAEL GRASSIA, MD | HealthCareAtlasUSA