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

CYNTHIA MULLEN, MD

GASTROENTEROLOGY

Medical school: TULANE UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2003

Offers telehealth

NPI: 1013123140

Practice Locations (3)

BASS MEDICAL GROUP

1505 SAINT ALPHONSUS WAY

ALAMO, CA 945071570

9259326330

BASS MEDICAL GROUP

2637 SHADELANDS DR

Walnut Creek, CA 945982512

BASS MEDICAL GROUP

2637 SHADELANDS DR

WALNUT CREEK, CA 945982512

9253784512

Source: CMS National Downloadable File, September 2026.

CYNTHIA MULLEN, MD | HealthCareAtlasUSA