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

JOSHUA BARNHILL, MD

ANESTHESIOLOGY

Medical school: SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2011

Offers telehealth

NPI: 1295020089

Practice Locations (4)

ANDREW H MESSIHA MD

23521 PASEO DE VALENCIA, SUITE 204

LAGUNA HILLS, CA 926533101

9494582026

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

UNITED MEDICAL DOCTORS

400 NEWPORT CTR DR, SUITE 609

NEWPORT BEACH, CA 926607695

9497600398

Source: CMS National Downloadable File, September 2026.

JOSHUA BARNHILL, MD | HealthCareAtlasUSA