Dr. John M. Haydek, MD | Powell, TN | Gastroenterology

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Dr. John Haydek is a gastroenterologist and internal medicine physician who earned his medical degree from Loyola University of Chicago Stritch School of Medicine. He completed his residency training at Loyola University Medical Center, building a foundation in comprehensive patient care. With 38 years of medical experience, Dr. Haydek has developed extensive expertise in digestive health and gastrointestinal disorders. He is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Haydek practices at multiple locations throughout Powell and Knoxville, Tennessee, and maintains hospital privileges at Tennova Healthcare North Knoxville Medical Center. His clinical focus includes treating colon polyps, diverticular disease, and diverticulosis. He performs essential diagnostic procedures such as colonoscopies and lower gastrointestinal endoscopy to help patients maintain optimal digestive health. Patients have given him an average rating of 4.4 stars, …reflecting their confidence in his care.

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AI-generated from data on this provider profile.

accepting new patients
4.4

46 Ratings
38 years of experience
41 insurance plans accepted
speaks English, Spanish
Loyola University Medical Center
23 written reviews
1 award
2 specialties
13 areas of expertise
2 board certifications
1 hospital affiliation
5 office locations
Male

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me

Based on patient feedback. Read the reviews

Dr. Haydek's Ratings and Reviews

4.4

46 Ratings with 23 written Reviews

Average Wait Time 12 Minutes

How was your appointment with
Dr. Haydek?

Patients’ Perspective

Gave an accurate diagnosis: (28) Did WellNeeds Improvement (1)
Had a good bedside manner: (29) Did WellNeeds Improvement (1)
Spent time with me: (29) Did WellNeeds Improvement (1)
Provided follow-up after the visit: (25) Did WellNeeds Improvement (0)
Flexible scheduling: (18) Did WellNeeds Improvement (0)
Saw me in a timely manner: No Ratings
Staff was courteous: No Ratings

46 ratings & reviews

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Showing 1 to 10 of 23 reviews

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Dr. Haydek has always answered my questions and helped me with my problems. He is very thorough and knowledgeable. One of the best!

May 12th, 2026

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Excellent doctor - very thorough.

March 12th, 2026

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Wonderful, caring Doctor! Been a patient for many years and has always took care of any issues that I have had. Thank you Dr. Haydek

August 12th, 2024

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Dr Hayden is a very kind and knowledgeable individual. He takes all the time needed for questions and answers with compassion. I’ve trusted him with my health care for years and will continue to do so.

June 26th, 2024

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Dr. Haydek is amazing, he take time to answer any questions you may have. Very professional and a great person. I highly recommend him and his wonderful staff.

May 14th, 2024

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Dr Haydek is the most caring Dr you could have. He takes his time and you can ask questions and he explains everything and does so till you can understand. Not my first time and he makes you fill comfortable. He is the best GI Dr I would recommend.

April 20th, 2024

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Outstanding. Very detailed and expresses genuine care and concern for his patients.

August 29th, 2023

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Dr Haydek is a very competent and caring man and I just had him perform. My second colonoscopy is the past 5 yrs. He explains everything and assures you he’s on top of the situation and makes you feel like your in good hands

July 11th, 2023

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Dr. Haydek, was very professional and friendly! He listened and explained what I needed to do to resolve my issues. I would highly recommend him as your gastroenterologist!

June 22nd, 2023

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Very fast service. Been going to Dr. Haydek for a while and would not go to any other GI doctor.

June 17th, 2023

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Gastrointestinal Associates Pc

629 Delozier Way Ste 100Powell, TN 37849

Tel: (865) 947-1161

Mon8:00 am - 4:00 pm

Tue8:00 am - 4:00 pm

Wed8:00 am - 4:00 pm

Thu8:00 am - 4:00 pm

Fri8:00 am - 4:00 pm

SatClosed

SunClosed

Gastrointestinal Associates Pc

11440 Parkside Dr Ste 200Knoxville, TN 37934

Tel: (865) 622-3442

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 5:00 pm

SatClosed

SunClosed

The Endoscopy Center

1311 Dowell Springs BlvdKnoxville, TN 37909

Tel: (865) 684-4686

Mon7:00 am - 5:00 pm

Tue7:00 am - 5:00 pm

Wed7:00 am - 5:00 pm

Thu7:00 am - 5:00 pm

Fri7:00 am - 5:00 pm

SatClosed

SunClosed

Tennova Healthcare North Knoxville Medical Center

7565 Dannaher DrPowell, TN 37849

Tel: (865) 859-8000

Fort Sanders Regional Medical Center

1901 W Clinch AveKnoxville, TN 37916

Tel: (865) 331-1111


Dr. John Michael Haydek, MD	Jan Seiler, APRN	Shauna Sanderson, APRN	Ashley Anderson, APRN
Gastroenterology	Gastroenterology	Gastroenterology	Gastroenterology
Accepts New Patients	Accepts New Patients	Accepts New Patients	Accepts New Patients
4.4 (46 Ratings)	0 (0 Ratings)	0 (0 Ratings)	0 (0 Ratings)
38 Years of Experience
No Virtual Visit Option	Virtual Visit Available	Virtual Visit Available	Virtual Visit Available
Speaks English, Spanish	Speaks English	Speaks English	Speaks English
Powell , TN	Montgomery , AL	Tallahassee , FL	SACRAMENTO , CA
Med School: Loyola University Of Chicago Stritch School Of Medicine	Med School: Georgia State University	Med School: Creighton University College of Nursing	Med School: East Tennessee State University - Quillen College of Medicine
Current Profile	View Profile	View Profile	View Profile

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Abdominal Pain
Acid Reflux Disease (Gastroesophageal Reflux / GERD)
Acid Reflux Disease (GERD)
Barrett Esophagus
Celiac Disease
Colonoscopy
Constipation
Esophagus Cancer (Esophogeal Neoplasm)
Hemorrhoids
Hepatitis C
Internal Medicine
Irritable Bowel Syndrome (IBS)
Ulcerative Colitis

MEDICAL LICENSE

Medical Doctor, Tennessee, 2027, Active

EDUCATION & TRAINING

Residency

Loyola University Medical Center

Medical School

Loyola University Of Chicago Stritch School Of MedicineGraduated in 1988

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28 Years Exp | Knoxville, TN
(0)
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Physical Medicine & Rehabilitation
27 Years Exp | Knoxville, TN
(1)
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(9)
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59 Years Exp | LA FOLLETTE, TN
(3)
Dr. Kimberly Glow, MD, MPH
Adolescent Medicine
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(9)
Dr. Nishant Sharma, MD
Critical Care Medicine
10 Years Exp | Scranton, PA
(0)
Dr. Robert N Rayder
Pediatrics
29 Years Exp | Germantown, TN
(6)
Dr. Julianne Mann
Public Health & General Preventive Medicine
46 Years Exp | Knoxville, TN
(0)

Does Dr. John Haydek accept my insurance?: You can see the insurance plans that Dr. John Haydek accepts on their Vitals profile.
Which hospitals is Dr. John Haydek affiliated with?: Dr. John Haydek is affiliated with Tennova Healthcare North Knoxville Medical Center.
Where is Dr. John Haydek's office located?: Dr. John Haydek's office is located at 629 Delozier Way Ste 100, Powell, TN, 37849.
Does Dr. John Haydek accept virtual/telehealth appointments?: Dr. John Haydek has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. John Haydek accepting new patients?: Dr. John Haydek is accepting new patients on Vitals. View Dr. John Haydek's profile on Vitals to make an appointment.

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