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

PATRICK T KOO, MD

INTERNAL MEDICINE

Medical school: PENNSYLVANIA STATE UNIVERSITY COLLEGE OF MEDICINE

Graduated: 2012

Also: GASTROENTEROLOGY

Offers telehealth

NPI: 1801152772

Practice Locations (5)

PROVIDENCE MEDICAL FOUNDATION

1514 VALLEY VISTA DR

DIAMOND BAR, CA 917653929

9098601144

PROVIDENCE MEDICAL FOUNDATION

253 S DIAMOND BAR BLVD

DIAMOND BAR, CA 917651606

9098601144

PROVIDENCE MEDICAL FOUNDATION

1835 SUNNY CREST DR

FULLERTON, CA 928353616

7144465101

PROVIDENCE MEDICAL FOUNDATION

1837 SUNNY CREST DR

FULLERTON, CA 928353616

7144465831

PROVIDENCE MEDICAL FOUNDATION

1950 SUNNY CREST DR, SUITE 2900

FULLERTON, CA 928353641

7149925350

Source: CMS National Downloadable File, September 2026.