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

JENNIFER L HEFNER, MD

INTERNAL MEDICINE

Medical school: EAST TENNESSEE STATE UNIVERSITY QUILLEN COLLEGE OF MEDICINE

Graduated: 1999

Offers telehealth

NPI: 1144308800

Practice Locations (1)

PERMANENTE MEDICAL GROUP INC

3285 CLAREMONT WAY

NAPA, CA 945583313

7072582500

Source: CMS National Downloadable File, September 2026.

JENNIFER HEFNER, MD | HealthCareAtlasUSA