Dr. John M. Haydek
- Gender: Male
- Experience: 33 years
- Graduated from: Loyola University Of Chicago, Stritch School Of Medicine
- Graduation year: 1988
- Sole propriator: No
- NPI: 1275508095
Dr. John M. Haydek MD
Gastroenterologist
He is located at 1311 Dowell Springs Boulevard Ste 300 in Knoxville, TN 37909. Can help patients with the following: Chest Pain, Hepatitis A (HAV), Intussusception, Lactose Intolerance, Pancreatic Cancer, Primary Biliary Cirrhosis (PBC). His National Provider Identifier (NPI) number is 1275508095. Appointment can be made via the phone number (865) 588-5121. He is affiliated with 4 practices and 5 hospitals.
Conditions treated
Dr. John Michael Haydek, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John M. Haydek.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. John M. Haydek
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. John M. Haydek as in-network for the following 2026 plans.
Health plans
BlueCross BlueShield of Tennessee
Network data as of Aug 25, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BlueCross B16S $50 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Expanded Bronze | Blue Network S | Accepting new patients |
| BlueCross G08S $30 PCP Copay + $0 virtual care from Teladoc Health ® (8 plan variants) | EPO · Gold | Blue Network S | Accepting new patients |
| BlueCross S26S $40 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Silver | Blue Network S | Accepting new patients |
Cigna Healthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 10 plans from Cigna Healthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Connect Bronze 7500 Indiv Med Deductible | EPO · Bronze | Preferred | Accepting new patients |
| Connect Bronze 8500 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze CMS Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Gold 1500 Indiv Med Deductible | EPO · Gold | Preferred | Accepting new patients |
| Connect Gold CMS Standard | EPO · Gold | Preferred | Accepting new patients |
| Connect myDiabetesCare Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect myDiabetesCare Silver | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver 3000 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver 4500 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver CMS Standard | EPO · Silver | Preferred | Accepting new patients |
UnitedHealthcare
Network data as of Sep 16, 2026, as reported by the insurer.
Show all 12 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus (Virtual Urgent Care, No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Copay Focus + (Virtual Urgent Care, Dental + Vision, No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential (No Referrals) | EPO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard (No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Advantage (Virtual Urgent Care, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Advantage + (Virtual Urgent Care, Dental + Vision, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus (Virtual Urgent Care, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard (No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Advantage (Virtual Urgent Care, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Advantage + (Virtual Urgent Care, Dental + Vision, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus (Virtual Urgent Care, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard (No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. John M. Haydek is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. John M. Haydek is enrolled to bill Medicare as a Practitioner - Gastroenterology .
Bills through: Gastrointestinal Associates Pc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| AbbVie | $443 |
| Janssen | $239 |
| Shire North American Group | $186 |
Other
| Food and Beverage | $1937 |
Studies
LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated in 1988Additional Specialities
- Internist
Affiliated practices
Affiliated hospitals
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- Address: 1311 Dowell Springs Boulevard Knoxville, 37909, TN
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- Address: 1311 Dowell Springs Boulevard Knoxville, 37909, TN
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- Address: 1311 Dowell Springs Boulevard Knoxville, 37909, TN
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- Address: Suite 100 801 North Weisgarber Road Knoxville, 37909, TN
Questions & Answers
Does Dr. John Michael Haydek accept patients with BlueCross BlueShield of Tennessee?
Yes, Dr. John Michael Haydek is listed in-network for BlueCross BlueShield of Tennessee through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. John Michael Haydek treat?
Dr. John Michael Haydek provides treatment for Chest Pain, Hepatitis A (HAV), Intussusception, Lactose Intolerance, Pancreatic Cancer, Primary Biliary Cirrhosis (PBC). For the full list see this list.
Where can you meet with Dr. John Michael Haydek?
Dr. John Michael Haydek's office is located at 1311 Dowell Springs Boulevard Ste 300 in Knoxville, TN 37909.
Does Dr. John Michael Haydek have affiliation with practices?
Dr. John Michael Haydek is affiliated with Anesthesia Associates of Knoxville. For the full list of practices see this list.
Has Dr. John Michael Haydek affiliation with hospitals?
Dr. John Michael Haydek is affiliated with PHYSICIANS REGIONAL MEDICAL CENTER. For the full list of hospitals see this list.