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

GRETA PEREZ, MD

FAMILY PRACTICE

Graduated: 1994

NPI: 1306988423

Practice Locations (1)

JOHN MUIR PHYSICIAN NETWORK

1450 TREAT BLVD, SUITE 160

WALNUT CREEK, CA 945972168

9252969000

Source: CMS National Downloadable File, September 2026.

GRETA PEREZ, MD | HealthCareAtlasUSA