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Internist, Gastroenterologist (digestive)
23 years of experience
Accepting new patients
Video profile
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. John Haydek is Good. Dr. Haydek has been reviewed by 11 patients who have provided 3 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 4.6
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. John Haydek, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 7 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Barrett Esophagus
  • Constipation
  • Esophagus Cancer (Esophogeal Neoplasm)
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Haydek graduated from Loyola University Chicago, Maywood. He has 2 awards.

Patients' Choice Award (2014)
Compassionate Doctor Recognition (2014)


Dr. Haydek has 10 hospital affiliations:

  • St Mary's Medical Center, Inc 
  • Parkwest Med Ctr 


  • Spanish

> > > > Dr. John Haydek, MD

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Additional Information
Dr. John Michael Haydek MD is a male Internist, has 23 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. John M. Haydek practice?
Dr. John Haydek has 1 office location.
Dr. John Haydek practices Internal Medicine and Gastroenterology near Knoxville, TN.
See Knoxville Internists and Knoxville Gastroenterologists.