Dr Mark Allen Mcgrail, MD - Medicare in Knoxville, TN

Dr Mark Allen Mcgrail, MD is a medicare enrolled "Preventive Medicine - Addiction Medicine" physician in Knoxville, Tennessee. His current practice location is 2018 Western Ave, Knoxville, Tennessee. You can reach out to his office (for appointments etc.) via phone at (865) 544-0406.

Dr Mark Allen Mcgrail is licensed to practice in Tennessee (license number MD30708) 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 1063488831.

Contact Information

Dr Mark Allen Mcgrail, MD
2018 Western Ave,
Knoxville, TN 37921-5718
(865) 544-0406
(865) 544-0480

Map and Direction




Physician's Profile

Full NameDr Mark Allen Mcgrail
GenderMale
Speciality
Experience Years
Location2018 Western Ave, 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:
  • Dr Mark Allen Mcgrail attended and graduated from in
  NPI Data:
  • NPI Number: 1063488831
  • Provider Enumeration Date: 02/23/2006
  • Last Update Date: 05/20/2025
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Dr Mark Allen Mcgrail such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1063488831NPI-NPPES
3827523MedicaidTN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine T8718 (Texas)Secondary
207QA0401XFamily Medicine - Addiction Medicine 0101276467 (Virginia)Secondary
207QA0401XFamily Medicine - Addiction Medicine MD30708 (Tennessee)Secondary
2083A0300XPreventive Medicine - Addiction Medicine MD30708 (Tennessee)Primary

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. Dr Mark Allen Mcgrail 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
Dr Mark Allen Mcgrail, MD
1923 Sulphur Springs Rd,
Morristown, TN 37813-5654

Ph: (423) 317-9344
Dr Mark Allen Mcgrail, MD
2018 Western Ave,
Knoxville, TN 37921-5718

Ph: (865) 544-0406

Reviews and Comments


Preventive Medicine Doctors in Knoxville, TN

Dr. Randall Matthew Willis, MD
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Practice Location: 207 Brechin Ln, Knoxville, TN 37909
Phone: 865-406-4044    
Paul Michael Mccurry, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 2014 Still Water Ln, Knoxville, TN 37922
Phone: 615-300-5775    
Laykoon Tan Huang, MD MPH
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Medicare: Not Enrolled in Medicare
Practice Location: 108 W Inskip Dr, Suite B, Knoxville, TN 37912
Phone: 865-687-2277    Fax: 865-689-5336
Dana Kay Webber, APRN, FNP-C
Preventive Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 9221 Middlebrook Pike, Ste 102, Knoxville, TN 37931
Phone: 865-219-1989    Fax: 865-409-5974
Anne Sanchez Roberts, MD
Preventive Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1924 Alcoa Hwy, Knoxville, TN 37920
Phone: 865-544-9352    
Joseph E Rich, M.D.
Preventive Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 9217 Park West Blvd Ste E1, Knoxville, TN 37923
Phone: 865-694-9553    
Brittany Nashay Houser,
Preventive Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 140 Dameron Ave, Knoxville, TN 37917
Phone: 865-215-5370    

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.