NPPES file of Aug 9, 2026

John Winaford Hall, M.D.

Diagnostic Radiology Physician · Knoxville, TN

John Winaford Hall, M.D. is a diagnostic radiology physician with a practice address in Knoxville, Tennessee, and NPI 1477085645, issued on Mar 28, 2017. Check the license (Tennessee 67265, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477085645
Name
John Winaford Hall
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
67265 TN
MD476790 PA
Self-reported in NPPES; status is on the state search
Practice location
1400 Dowell Springs Blvd Ste 200, Knoxville, TN 37909
Phone
(865) 584-0291
Enumerated
Mar 28, 2017
Record last updated
Jul 23, 2026
Fax
(865) 584-4426
Medicare enrollment
Enrolled (PECOS I20230428000634); accepts Medicare assignment
Medical or professional school
West Virginia University School Of Medicine, 2017
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.
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Also registered at 1400 Dowell Springs Blvd Ste 200

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

  1. Maria Anello, D.O.Diagnostic Radiology Physician1871655498
  2. Nancy Ellis, M.D.Diagnostic Radiology Physician1366564809
  3. Frank Knight, MDDiagnostic Radiology Physician1598718041
  4. Kamilia Kozlowski, M.DDiagnostic Radiology Physician1154344497
  5. Jeffrey Matthes, MDDiagnostic Radiology Physician1508804782
  6. Nicole Roy, M.D.Diagnostic Radiology Physician1235317496

Verify John Winaford Hall 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 67265
    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.

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The practice group's MIPS final score for 2023 (Medicare payment program): 77.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score68.6
  2. Costout of 100 · 30%56.4
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $101.51

1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Hall$101.51
  2. Specialty average$2,488.38

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. Kamilia F KozlowskiKnoxville, TN
  2. Regional Health Services IncErie, PA

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

146 diagnostic radiology physician records list a practice address in Knoxville

They are 146 of the 14,339 NPPES records with a practice address in Knoxville, and 968 diagnostic radiology physician records in Tennessee.

Other diagnostic radiology physician records in Tennessee

  1. Richard Abramson, MDNashville, TN1699824821
  2. James Acker, M.D.Memphis, TN1356391916
  3. Arthur Adams, MDGreeneville, TN1235190489
  4. Steven Addonizio, MDKnoxville, TN1184604811
  5. Michael Adler, M.D.Knoxville, TN1386645828
  6. Muhammad Umer Afzaal, M.D.Memphis, TN1518319458
  7. Muhammad Afzal, M.D.,M.B.B.SMemphis, TN1598988073
  8. Andre AgassiKnoxville, TN1760019277
  9. Ifeoma Aguanunu, M.D.Chattanooga, TN1003221276
  10. Asma Ahmad, M.D.Nashville, TN1720146673

Common questions

What is John Winaford Hall, M.D.'s NPI number?

John Winaford Hall, M.D.'s National Provider Identifier (NPI) is 1477085645, issued on Mar 28, 2017. An NPI identifies a provider in billing; it is not a license.

Where is John Winaford Hall, M.D. located?

The NPPES record lists a practice address at 1400 Dowell Springs Blvd Ste 200, Knoxville, TN, 37909. Phone: (865) 584-0291. Providers update this record themselves, so call before visiting.

How can I verify John Winaford Hall, M.D.'s license?

NPPES lists Tennessee license number 67265, 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.

What is John Winaford Hall, M.D.'s MIPS final score?

The 2023 MIPS final score is 77.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.