NPPES file of Aug 9, 2026

Tadhg M. Hart, MD

Family Medicine Physician · Knoxville, TN

Tadhg M. Hart, MD is a family medicine physician with a practice address in Knoxville, Tennessee, and NPI 1093751620, issued on Jun 21, 2006. Check the license (Tennessee 21866, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093751620
Name
Tadhg M. Hart
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
21866 TN
Self-reported in NPPES; status is on the state search
Practice location
11808 Kingston Pike, Knoxville, TN 37934
Phone
(865) 966-3940
Enumerated
Jun 21, 2006
Record last updated
Apr 21, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicaid ID
3876730 TN
Medicare enrollment
Enrolled (PECOS I20100304000560); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 11808 Kingston Pike

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Collier, MDInternal Medicine Physician1811933674
  2. David Crouch, MDFamily Medicine Physician1932150430
  3. Cynthia Fugatt, LCSWClinical Social Worker1437306966
  4. Thomas Koenig, M.D.Orthopaedic Surgery Physician1952468415
  5. Jacob Levy, PH.D.Counseling Psychologist1275715450
  6. Thomas Littlefield, MDInternal Medicine Physician1619912854

Verify Tadhg M. Hart in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 21866
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.1 times the Medicare Part D claims of the average family medicine physician in 2024

7,384 Medicare Part D claims for 486 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 236 claims were for opioids.

  1. Tadhg Hart7,384
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium340 claims
  2. Amlodipine Besylate323 claims
  3. Pantoprazole Sodium255 claims
  4. Atorvastatin Calcium226 claims
  5. Gabapentin219 claims
  6. Rosuvastatin Calcium169 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $894.72

68 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tadhg Hart$894.72
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Physiotherapy Associates IncLoudon, TN
  2. Summit Medical Group, PLLCKnoxville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tadhg M. Hart among 2,674 family medicine physician records in Tennessee

Tadhg M. Hart, MD is one of 2,674 family medicine physician records with a practice address in Tennessee. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.

  • NPI issued2006 · 17% of these records are older, 48% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1987 · median 2004 among the 1,685 with a school on file
  • Record last updated2014 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

244 family medicine physician records list a practice address in Knoxville

They are 244 of the 14,339 NPPES records with a practice address in Knoxville, and 2,674 family medicine physician records in Tennessee.

The 8 family medicine physician records with the nearest ZIP codes

  1. Raye-Anne Ayo, M.D.Knoxville, TN 379341689699381
  2. James Buchanan, MDFarragut, TN 379341154310357
  3. David Crouch, MDKnoxville, TN 379341932150430
  4. Welborn England, MDFarragut, TN 379341801827720
  5. Jarvis Hughes, M.D.Knoxville, TN 379341255356747
  6. Cheri Johnston, M.D.Knoxville, TN 379341639186455
  7. John Law, MDFarragut, TN 379341740259761
  8. Richard Mattison, MDFarragut, TN 379341821191040

Common questions

What is Tadhg M. Hart, MD's NPI number?

Tadhg M. Hart, MD's National Provider Identifier (NPI) is 1093751620, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tadhg M. Hart, MD located?

The NPPES record lists a practice address at 11808 Kingston Pike, Knoxville, TN, 37934. Phone: (865) 966-3940. Providers update this record themselves, so call before visiting.

How can I verify Tadhg M. Hart, MD's license?

NPPES lists Tennessee license number 21866, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tadhg M. Hart, MD prescribe under Medicare Part D?

In 2024, Tadhg M. Hart, MD had 7,384 Medicare Part D claims for 486 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.