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

GIMHA S GUNAWARDANA, MD

INTERNAL MEDICINE

Graduated: 2001

Also: GERIATRIC MEDICINE, HOSPICE/PALLIATIVE CARE

NPI: 1720274921

Practice Locations (4)

550 N MONTEREY AVE

ONTARIO, CA 917643318

9093910333

UNITED HOSPITALIST INC

255 E BONITA AVE

POMONA, CA 917671923

9099410661

UNITED HOSPITALIST INC

7974 HAVEN AVE, SUITE 210

RANCHO CUCAMONGA, CA 917303052

9099410661

PROHEALTH PARTNERS, A MEDICAL GROUP

1042 SAN BERNARDINO RD

UPLAND, CA 917864921

9095241940

Source: CMS National Downloadable File, September 2026.

GIMHA GUNAWARDANA, MD | HealthCareAtlasUSA