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

WILLIAM OH, MD

COLORECTAL SURGERY (PROCTOLOGY)

Graduated: 2013

NPI: 1598100323

Practice Locations (3)

HOAG CLINIC

16405 SAND CANYON AVE, SUITE 200

IRVINE, CA 926183786

9493834190

HOAG CLINIC

1 HOAG DR

NEWPORT BEACH, CA 926634162

HOAG CLINIC

1031 AVENIDA PICO, SUITE 204

SAN CLEMENTE, CA 926736352

9498295533

Source: CMS National Downloadable File, September 2026.

WILLIAM OH, MD | HealthCareAtlasUSA