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

GERALD KATZ, MD

OBSTETRICS/GYNECOLOGY

Graduated: 1989

NPI: 1306868450

Practice Locations (3)

BASS MEDICAL GROUP

1505 SAINT ALPHONSUS WAY

ALAMO, CA 945071570

9259326330

BASS MEDICAL GROUP

112 LA CASA VIA, SUITE 200

WALNUT CREEK, CA 945983011

9259515806

BASS MEDICAL GROUP

365 LENNON LN

WALNUT CREEK, CA 945985915

Source: CMS National Downloadable File, September 2026.

GERALD KATZ, MD | HealthCareAtlasUSA