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

HARRISON CHEN, DO

INTERNAL MEDICINE

Graduated: 2020

NPI: 1841829793

Practice Locations (3)

ARCADIA HOSPITALIST MEDICAL GROUP INC

300 W HUNGTINGTON DR

ARCADIA, CA 910073402

6268988000

SAN PEDRO HOSPITALIST MEDICAL GROUP INC

1300 W 7TH ST

SAN PEDRO, CA 907323505

3108323311

LITTLE COMPANY HOSPITALIST MEDICAL GROUP INC

4101 TORRANCE BLVD

TORRANCE, CA 905034607

3105407676

Source: CMS National Downloadable File, September 2026.

HARRISON CHEN, DO | HealthCareAtlasUSA