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

RONALD C HOLNESS, MD

GENERAL SURGERY

Medical school: UNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE

Graduated: 1983

NPI: 1114938867

Practice Locations (1)

3801 KATELLA AVE

LOS ALAMITOS, CA 907206903

5625982439

Source: CMS National Downloadable File, September 2026.

RONALD HOLNESS, MD | HealthCareAtlasUSA