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

MARJAN KOOSHA JOHNSON, DO

FAMILY PRACTICE

Graduated: 2025

NPI: 1154068641

Practice Locations (2)

9850 GENESEE AVE

LA JOLLA, CA 920371206

3900 5TH AVE, SUITE 300

San Diego, CA 921033138

Source: CMS National Downloadable File, September 2026.

MARJAN JOHNSON, DO | HealthCareAtlasUSA