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

NIRAJI C MAHAJAN, MD

INTERNAL MEDICINE

Graduated: 1999

Also: CRITICAL CARE (INTENSIVISTS), PULMONARY DISEASE

NPI: 1285825331

Practice Locations (3)

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

27300 IRIS AVE

MORENO VALLEY, CA 925554802

9512430811

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

27350 IRIS AVE

MORENO VALLEY, CA 925554802

8669847483

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

10800 MAGNOLIA AVE

RIVERSIDE, CA 925053043

9513532000

Source: CMS National Downloadable File, September 2026.

NIRAJI MAHAJAN, MD | HealthCareAtlasUSA