Patrick James Mastin, MD - Medicare in Knoxville, TN

Patrick James Mastin, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Knoxville, Tennessee. His current practice location is 8975 Executive Park Dr Ste 200, Knoxville, Tennessee. You can reach out to his office (for appointments etc.) via phone at (865) 691-4100.

Patrick James Mastin is licensed to practice in Tennessee (license number 51030) 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 1811251655.

Contact Information

Patrick James Mastin, MD
8975 Executive Park Dr Ste 200,
Knoxville, TN 37923-4727
(865) 691-4100
(833) 908-2116

Map and Direction




Physician's Profile

Full NamePatrick James Mastin
GenderMale
Speciality
Experience Years
Location8975 Executive Park Dr Ste 200, 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:
  • Patrick James Mastin attended and graduated from in
  NPI Data:
  • NPI Number: 1811251655
  • Provider Enumeration Date: 06/26/2012
  • Last Update Date: 07/20/2021
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Patrick James Mastin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811251655NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 51030 (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. Patrick James Mastin 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
Patrick James Mastin, MD
1275 Dick Lonas Rd Unit 101,
Knoxville, TN 37909-1383

Ph: (865) 584-4747
Patrick James Mastin, MD
8975 Executive Park Dr Ste 200,
Knoxville, TN 37923-4727

Ph: (865) 691-4100

Reviews and Comments


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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).

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