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

JONATHAN HUMPHREY, MD

FAMILY PRACTICE

Graduated: 1989

Offers telehealth

NPI: 1689644866

Practice Locations (6)

BASS MEDICAL GROUP

1505 SAINT ALPHONSUS WAY

ALAMO, CA 945071570

9259326330

BASS MEDICAL GROUP

3424 CAMINO TASSAJARA

DANVILLE, CA 945064680

9253092700

BASS MEDICAL GROUP

4165 BLACKHAWK PLAZA CIR, SUITE 100

DANVILLE, CA 945064691

9257367070

BASS MEDICAL GROUP

2637 SHADELANDS DR

Walnut Creek, CA 945982512

BASS MEDICAL GROUP

2637 SHADELANDS DR

WALNUT CREEK, CA 945982512

9253784512

BASS MEDICAL GROUP

365 LENNON LN

WALNUT CREEK, CA 945985915

Source: CMS National Downloadable File, September 2026.

JONATHAN HUMPHREY, MD | HealthCareAtlasUSA