NPPES file of Aug 9, 2026

John P. Williams, MD

Pediatric Radiology Physician · Knoxville, TN

John P. Williams, MD is a pediatric radiology physician with a practice address in Knoxville, Tennessee, and NPI 1659341832, issued on Jan 23, 2006. Check the license (Tennessee MD28001, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659341832
Name
John P. Williams
Credential
MD
Primary taxonomy
Pediatric Radiology Physician 2085P0229X
License number
MD28001 TN
Self-reported in NPPES; status is on the state search
Practice location
2001 Laurel Ave, Knoxville, TN 37916
Phone
(865) 546-9484
Enumerated
Jan 23, 2006
Record last updated
Jul 13, 2026
Medicaid ID
3372353 TN
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.
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Also registered at 2001 Laurel Ave

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

  1. Steven Addonizio, MDDiagnostic Radiology Physician1184604811
  2. Timothy Alder, MDDiagnostic Radiology Physician1922207059
  3. Yaqub Ali, M.D.Specialist1801893771
  4. Sheri Armstrong, M.D.Diagnostic Radiology Physician1669401196
  5. Sung Yong Bae, M.D.Internal Medicine Physician1043443997
  6. Gerald Borrelli, M.D.Nephrology Physician1871599084

Verify John P. Williams 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 MD28001
    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

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The practice group's MIPS final score for 2023 (Medicare payment program): 99 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 score98.8
  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).

John P. Williams among 36 pediatric radiology physician records in Tennessee

John P. Williams, MD is one of 36 pediatric radiology physician records with a practice address in Tennessee. 69% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 56% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2026 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085P0229X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Radiology Physician providers in Tennessee

There are 36 pediatric radiology physician records in Tennessee.

The 8 pediatric radiology physician records with the nearest ZIP codes

  1. Clifford Meservy, MDKnoxville, TN 379161598745192
  2. Rupesh Patel, M.D.Knoxville, TN 379161679968762
  3. Sidney Roberts, MDKnoxville, TN 379161891765061
  4. Hiral BankerMemphis, TN 381031386115392
  5. Asim Choudhri, MDMemphis, TN 381031255543153
  6. Dushyant Dobaria, M.D.Memphis, TN 381031942973516
  7. Vijetha Maller, M.DMemphis, TN 381031457751745
  8. Vijay Pande, MDMemphis, TN 381031386957058

Common questions

What is John P. Williams, MD's NPI number?

John P. Williams, MD's National Provider Identifier (NPI) is 1659341832, issued on Jan 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John P. Williams, MD located?

The NPPES record lists a practice address at 2001 Laurel Ave, Knoxville, TN, 37916. Phone: (865) 546-9484. Providers update this record themselves, so call before visiting.

How can I verify John P. Williams, MD's license?

NPPES lists Tennessee license number MD28001, 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. Williams, MD's MIPS final score?

The 2023 MIPS final score is 99 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.