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 / TN

JOHN MICHAEL HAYDEK, MD

GASTROENTEROLOGY

Medical school: LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE

Graduated: 1988

NPI: 1275508095

Practice Locations (2)

GASTROINTESTINAL ASSOCIATES PC

1311 DOWELL SPRINGS BLVD

KNOXVILLE, TN 379092454

GASTROINTESTINAL ASSOCIATES PC

1311 DOWELL SPRINGS BLVD, SUITE 300

KNOXVILLE, TN 379092454

8655580606

Source: CMS National Downloadable File, September 2026.

JOHN HAYDEK, MD | HealthCareAtlasUSA