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

JOAN M DUFFY, MD

HOSPICE/PALLIATIVE CARE

Medical school: UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE

Graduated: 1990

Also: GERIATRIC MEDICINE

NPI: 1235206186

Practice Locations (4)

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

9333 ROSECRANS AVE

BELLFLOWER, CA 907062141

5624613000

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

9400 ROSECRANS AVE

BELLFLOWER, CA 907062246

5624613000

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

25821 VERMONT AVE

HARBOR CITY, CA 907103518

3103255111

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

25825 VERMONT AVE

HARBOR CITY, CA 907103518

3103255111

Source: CMS National Downloadable File, September 2026.