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

MARK A WELCH, MD

PSYCHIATRY

Graduated: 2003

Also: INTERNAL MEDICINE

Offers telehealth

NPI: 1225063555

Practice Locations (3)

FACULTY PHYSICIANS AND SURGEONS OF LLUSM

11234 ANDERSON ST

LOMA LINDA, CA 923542804

FACULTY PHYSICIANS AND SURGEONS OF LLUSM

11370 ANDERSON ST

LOMA LINDA, CA 923543450

10737 LAUREL ST, SUITE 230

RANCHO CUCAMONGA, CA 917307659

9099895556

Source: CMS National Downloadable File, September 2026.

MARK WELCH, MD | HealthCareAtlasUSA