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 / CA

JOHN GRASSO, MD

ANESTHESIOLOGY

Medical school: UNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE

Graduated: 1983

NPI: 1710921127

Practice Locations (1)

ALLIED ANESTHESIA MEDICAL GROUP INC

18300 US HWY 18

APPLE VALLEY, CA 923072206

7602422311

Source: CMS National Downloadable File, September 2026.

JOHN GRASSO, MD | HealthCareAtlasUSA