NPPES file of Aug 9, 2026

John P. Stallworth, M.D.

Diagnostic Radiology Physician · Knoxville, TN

John P. Stallworth, M.D. is a diagnostic radiology physician with a practice address in Knoxville, Tennessee, and NPI 1669531836, issued on Dec 6, 2006. Check the license (Tennessee 27487, 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
1669531836
Name
John P. Stallworth
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
27487 TN
Self-reported in NPPES; status is on the state search
Practice location
4820 Old Kingston Pike, Knoxville, TN 37919
Phone
(865) 558-9862
Enumerated
Dec 6, 2006
Record last updated
Mar 30, 2026
Fax
(865) 584-3478
Medicaid ID
1517253 TN
Medicare enrollment
Enrolled (PECOS I20141007001782); accepts Medicare assignment
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 4820 Old Kingston Pike

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

  1. Andre AgassiDiagnostic Radiology Physician1760019277
  2. Saeed Ahmed, M.DDiagnostic Radiology Physician1154624716
  3. Christopher Aikens, M.D.Diagnostic Radiology Physician1710932793
  4. Daniel Baker, M.D.Diagnostic Radiology Physician1063471019
  5. Jason Cameron, M.D.Diagnostic Radiology Physician1588614242
  6. Brandon Canter, LPCProfessional Counselor1790379592

Verify John P. Stallworth 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 27487
    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): 99.1 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 score98.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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: $12.58

1 payment: food and beverage; the largest payer was Sirtex Medical Inc. 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 Stallworth$12.58
  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. Abercrombie Radiological Consultants IncKnoxville, 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).

John P. Stallworth among 968 diagnostic radiology physician records in Tennessee

John P. Stallworth, M.D. is one of 968 diagnostic radiology physician records with a practice address in Tennessee. 73% 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 19% of them.

  • NPI issued2006 · 19% of these records are older, 45% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1994 · median 2004 among the 657 with a school on file
  • Record last updated2026 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Christopher Aikens, M.D.Knoxville, TN 379191710932793
  2. Daniel Baker, M.D.Knoxville, TN 379191063471019
  3. Jason Cameron, M.D.Knoxville, TN 379191588614242
  4. Donna Culhane, M.D.Knoxville, TN 379191114923885
  5. Francis Curtin, M.D.Knoxville, TN 379191821094590
  6. Kimberly Garcia, MDKnoxville, TN 379191942357769
  7. Zachary Jumper, MDKnoxville, TN 379191871718882
  8. Samuel Maynard, M.D.Knoxville, TN 379191629075072

Common questions

What is John P. Stallworth, M.D.'s NPI number?

John P. Stallworth, M.D.'s National Provider Identifier (NPI) is 1669531836, issued on Dec 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John P. Stallworth, M.D. located?

The NPPES record lists a practice address at 4820 Old Kingston Pike, Knoxville, TN, 37919. Phone: (865) 558-9862. Providers update this record themselves, so call before visiting.

How can I verify John P. Stallworth, M.D.'s license?

NPPES lists Tennessee license number 27487, 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 P. Stallworth, M.D.'s MIPS final score?

The 2023 MIPS final score is 99.1 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.