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 JOHNSON, MD

GENERAL SURGERY

Medical school: UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)

Graduated: 1968

NPI: 1477672046

Practice Locations (1)

5555 GROSSMONT CTR DR

LA MESA, CA 919423019

6192440884

Source: CMS National Downloadable File, September 2026.

RONALD JOHNSON, MD | HealthCareAtlasUSA