HealthCareAtlasUSA

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 / MP

PETER W GREGOR, MD

INTERNAL MEDICINE

Graduated: 1974

NPI: 1528021235

Practice Locations (1)

COMMONWEALTH HEALTHCARE CORPORATION

1 LOWER NAVY HILL RD

SAIPAN, MP 96950

6702348950

Source: CMS National Downloadable File, September 2026.

PETER GREGOR, MD | HealthCareAtlasUSA