NPPES file of Aug 9, 2026

John Powell Williams, PA-C

Physician Assistant · Knoxville, TN

John Powell Williams, PA-C is a physician assistant with a practice address in Knoxville, Tennessee, and NPI 1366009169, issued on May 28, 2019. Check the license with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1366009169
Name
John Powell Williams
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
200 Fort Sanders W Blvd, Knoxville, TN 37922
Phone
(865) 531-5350
Enumerated
May 28, 2019
Record last updated
Nov 19, 2025
Fax
(865) 374-2125
Medicaid ID
Q053289 TN
Medicare enrollment
Enrolled (PECOS I20191210000221); 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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Verify John Powell Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this professionCheck 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
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Bills Medicare through one group practice

  1. Covenant Medical Group IncLoudon, TN

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

John Powell Williams among 3,055 physician assistant records in Tennessee

John Powell Williams, PA-C is one of 3,055 physician assistant records with a practice address in Tennessee. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 51% of them.

  • NPI issued2019 · 51% of these records are older, 45% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2019 · median 2019 among the 2,030 with a school on file
  • Record last updated2025 · 30% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

399 physician assistant records list a practice address in Knoxville

They are 399 of the 14,339 NPPES records with a practice address in Knoxville, and 3,055 physician assistant records in Tennessee.

The 8 physician assistant records with the nearest ZIP codes

  1. Dorothy Allen, PAKnoxville, TN 379221861644650
  2. Jennifer Amburn, PA-CKnoxville, TN 379221710913298
  3. Matthew Cantrell, P.A.-CKnoxville, TN 379221902853831
  4. Rita Crews, MHSA, PA-CKnoxville, TN 379221154302164
  5. Peggy Descamps, PA-CKnoxville, TN 379221720185531
  6. Donald Douglas, PAKnoxville, TN 379221447301932
  7. Rebecca Feese, PA-CKnoxville, TN 379221619942059
  8. Philip Gauslin, P.A.-CKnoxville, TN 379221962427732

Common questions

What is John Powell Williams, PA-C's NPI number?

John Powell Williams, PA-C's National Provider Identifier (NPI) is 1366009169, issued on May 28, 2019. An NPI identifies a provider in billing; it is not a license.

Where is John Powell Williams, PA-C located?

The NPPES record lists a practice address at 200 Fort Sanders W Blvd, Knoxville, TN, 37922. Phone: (865) 531-5350. Providers update this record themselves, so call before visiting.

How can I verify John Powell Williams, PA-C's license?

Search the Tennessee board that licenses this profession; the NPPES record confirms identity 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.