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

JEFFREY S KOPSTEIN, DO

INTERNAL MEDICINE

Medical school: ARIZONA COLLEGE OF OSTEOPATHIC MEDICINE MID WESTERN UNIVERSITY

Graduated: 2015

Offers telehealth

NPI: 1487041158

Practice Locations (2)

INPATIENT SPECIALISTS OF CALIFORNIA PC

1600 N ROSE AVE

OXNARD, CA 930303722

8059882500

2100 SOLAR DR, SUITE 202

OXNARD, CA 930360651

8054311118

Source: CMS National Downloadable File, September 2026.

JEFFREY KOPSTEIN, DO | HealthCareAtlasUSA