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

JOHN P JANCARIK, MD

INTERNAL MEDICINE

Medical school: UNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE

Graduated: 1999

Also: NEPHROLOGY

NPI: 1073515292

Practice Locations (1)

PERMANENTE MEDICAL GROUP INC

975 SERENO DR

VALLEJO, CA 945892441

7076511000

Source: CMS National Downloadable File, September 2026.

JOHN JANCARIK, MD | HealthCareAtlasUSA