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

LEROY WAYNE KEISER, MD

MEDICAL ONCOLOGY

Medical school: STANFORD UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1973

Also: INTERNAL MEDICINE

Offers telehealth

NPI: 1417047283

Practice Locations (5)

PROVIDENCE MEDICAL FOUNDATION

110 LYNCH CREEK WAY, SUITE A

PETALUMA, CA 949542337

7077630600

PROVIDENCE MEDICAL FOUNDATION

400 N MCDOWELL BLVD

PETALUMA, CA 949542339

7077782631

PROVIDENCE MEDICAL FOUNDATION

1165 MONTGOMERY DR

SANTA ROSA, CA 954054801

7075463210

PROVIDENCE MEDICAL FOUNDATION

3555 ROUND BARN CIR

SANTA ROSA, CA 954031757

7075281050

PROVIDENCE MEDICAL FOUNDATION

500 DOYLE PARK DR

SANTA ROSA, CA 954054559

Source: CMS National Downloadable File, September 2026.

LEROY KEISER, MD | HealthCareAtlasUSA