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

ROBERT C DAY, MD

OBSTETRICS/GYNECOLOGY

Medical school: UNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL

Graduated: 2014

NPI: 1841618634

Practice Locations (2)

HOAG CLINIC

16105 SAND CANYON AVE

IRVINE, CA 926183780

9497644060

HOAG CLINIC

1031 AVENIDA PICO, SUITE 204

SAN CLEMENTE, CA 926736352

9498295533

Source: CMS National Downloadable File, September 2026.

ROBERT DAY, MD | HealthCareAtlasUSA