John Michael Haydek, MD - Medicare Gastroenterology in Knoxville, TN

John Michael Haydek, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Knoxville, Tennessee. He went to Loyola University Of Chicago, Stritch School Of Medicine and graduated in 1988 and has 36 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Gastrointestinal Associates Pc and his current practice location is 1311 Dowell Springs Blvd, Ste 300, Knoxville, Tennessee. You can reach out to his office (for appointments etc.) via phone at (865) 588-5121.

John Michael Haydek is licensed to practice in Tennessee (license number MD27845) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1275508095.

Contact Information

John Michael Haydek, MD
1311 Dowell Springs Blvd, Ste 300,
Knoxville, TN 37909-2454
(865) 588-5121
(865) 588-2126

Map and Direction




Physician's Profile

Full NameJohn Michael Haydek
GenderMale
SpecialityGastroenterology
Experience36 Years
Location1311 Dowell Springs Blvd, Knoxville, Tennessee
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • John Michael Haydek attended and graduated from Loyola University Of Chicago, Stritch School Of Medicine in 1988
  NPI Data:
  • NPI Number: 1275508095
  • Provider Enumeration Date: 02/23/2006
  • Last Update Date: 05/04/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 0042235152
  • Enrollment ID: I20110314000273

Medical Identifiers

Medical identifiers for John Michael Haydek such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1275508095NPI-NPPES
Q008656MedicaidTN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology MD27845 (Tennessee)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Fort Sanders Regional Medical CenterKnoxville, TNHospital
Physicians Regional Medical CenterPowell, TNHospital
Parkwest Medical CenterKnoxville, TNHospital
University Of Tn Medical CenterKnoxville, TNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Gastrointestinal Associates Pc973913270529

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. John Michael Haydek allows following entities to bill medicare on his behalf.
Entity NameGastrointestinal Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780695999
PECOS PAC ID: 9739132705
Enrollment ID: O20050302000341

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. John Michael Haydek is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
John Michael Haydek, MD
Po Box 59002,
Knoxville, TN 37950-9002

Ph: (865) 588-5121
John Michael Haydek, MD
1311 Dowell Springs Blvd, Ste 300,
Knoxville, TN 37909-2454

Ph: (865) 588-5121

Reviews and Comments


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Jeffrey W Robinson, MD
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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.