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

MICHAEL F JOHNSTON

UNDEFINED NON-PHYSICIAN TYPE (SPECIFY)

Graduated: 2000

NPI: 1932363710

Practice Locations (2)

PO BOX

LOS ANGELES, CA 90088

1918 SPINNAKER PL

Santa Rosa, CA 954031887

Source: CMS National Downloadable File, September 2026.

MICHAEL JOHNSTON | HealthCareAtlasUSA