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

SI CHEN, MD

INTERNAL MEDICINE

Graduated: 2012

NPI: 1467794180

Practice Locations (5)

GALEN INPATIENT PHYSICIANS PC

2309 ANTONIO AVE

CAMARILLO, CA 930101414

8053895800

GALEN INPATIENT PHYSICIANS PC

1509 WILSON TER

GLENDALE, CA 912064007

8184098000

COTTAGE MEDICAL FOUNDATION

5333 HOLLISTER AVE, SUITE 250

GOLETA, CA 931112466

8058794240

GALEN INPATIENT PHYSICIANS PC

1600 N ROSE AVE

OXNARD, CA 930303722

8059882500

ADVANTAGE HOSPITALISTS INC

215 W JANSS RD

THOUSAND OAKS, CA 913601847

8054972727

Source: CMS National Downloadable File, September 2026.

SI CHEN, MD | HealthCareAtlasUSA