Registry data as of Aug 27, 2026

Deborah Allen, M.D.

Internal Medicine Physician · Knoxville, TN

Deborah Allen, M.D. is an internal medicine physician with a practice address in Knoxville, Tennessee, and NPI 1942237474, issued on Jun 28, 2006. Check the license (Tennessee 26047, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1942237474
Name
Deborah Allen
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
26047 TN
Self-reported in NPPES; status is on the state search
Practice location
2018 Western Ave, Knoxville, TN 37921
Phone
(866) 231-4477
Enumerated
Jun 28, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2018 Western Ave

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

  1. Manal Abbas, PHLEBOTOMISTPhlebotomy Technician1801457866
  2. Melinda Adams, R.N.Registered Nurse1134667785
  3. Magon Adams Shirley, PSY.D.Mental Health Counselor1518356021
  4. Pamela Adkins, CNANurse's Aide1780422253
  5. Mykenzi Allison, MAStudent in an Organized Health Care Education/Training Program1427948710
  6. Jamie Amer, LPNLicensed Practical Nurse1093391955

Verify Deborah Allen 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 26047
    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.

76% fewer Medicare Part D claims than the average internal medicine physician in 2024

658 Medicare Part D claims for 61 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.

  1. Deborah Allen658
  2. Specialty average2,785

Most prescribed

  1. Albuterol Sulfate Hfa48 claims
  2. Lisinopril37 claims
  3. Amlodipine Besylate29 claims
  4. Metoprolol Tartrate23 claims
  5. Atorvastatin Calcium20 claims
  6. Gabapentin18 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.

253 internal medicine physician records list a Knoxville practice address

They are 253 of the 14,339 NPPES records with a Knoxville practice address, and 2,907 internal medicine physician records in Tennessee.

Other internal medicine physician records in Tennessee

  1. Damon Abaray, MDNashville, TN1275680134
  2. Samuel Abbas, MDHixson, TN1497105373
  3. Matthew Abbate, MDNashville, TN1982796306
  4. Kazeen Abdullah, M.D.Smyrna, TN1790084929
  5. Sarmed Abdullah, M.D.Lexington, TN1588755359
  6. Mark Abi Nader, M.D.Memphis, TN1841538147
  7. Mouna Abouamara, MDJohnson City, TN1447324603
  8. Betty Abraham, MDChattanooga, TN1093923633
  9. Vandana Abramson, MDNashville, TN1154359602
  10. Tarek Absi, MDNashville, TN1578647681

Common questions

What is Deborah Allen, M.D.'s NPI number?

Deborah Allen, M.D.'s National Provider Identifier (NPI) is 1942237474, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Deborah Allen, M.D. located?

The NPPES record lists a practice address at 2018 Western Ave, Knoxville, TN, 37921. Phone: (866) 231-4477. Providers update this record themselves, so call before visiting.

How can I verify Deborah Allen, M.D.'s license?

NPPES lists Tennessee license number 26047, 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 Deborah Allen, M.D. prescribe under Medicare Part D?

In 2024, Deborah Allen, M.D. had 658 Medicare Part D claims for 61 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.