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

HERSCHEL RICHARD O'BRIEN

MENTAL HEALTH COUNSELOR

Graduated: 2017

Offers telehealth

NPI: 1972976504

Practice Locations (2)

SUD SPECIALTY GROUP - CA

4633 OLD IRONSIDES DR, SUITE 304

SANTA CLARA, CA 950541846

8662800260

ACHIEVEMENTS UNLIMITED CLINICAL PSYCHOLOGY SERVICES, INC.

512 N COURT ST

VISALIA, CA 932914913

5597543011

Source: CMS National Downloadable File, September 2026.

HERSCHEL O'BRIEN | HealthCareAtlasUSA