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

GREGORY S MARTINEZ, MD

NEPHROLOGY

Medical school: JEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY

Graduated: 2006

Also: INTERNAL MEDICINE

Offers telehealth

NPI: 1982863098

Practice Locations (2)

CENTRAL CALIFORNIA FACULTY MEDICAL GROUP INC

2823 FRESNO ST

FRESNO, CA 937211324

5594596000

THE NEPHROLOGY GROUP INC

568 E HERNDON AVE

FRESNO, CA 937202989

Source: CMS National Downloadable File, September 2026.

GREGORY MARTINEZ, MD | HealthCareAtlasUSA