NPPES file of Aug 9, 2026

Robert Nathaniel Feller, PA-C

Physician Assistant · Knoxville, TN

Robert Nathaniel Feller, PA-C is a physician assistant with a practice address in Knoxville, Tennessee, and NPI 1821803701, issued on Feb 10, 2025. 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
1821803701
Name
Robert Nathaniel Feller
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
1600 Accelerator Way Ste 220, Knoxville, TN 37920
Phone
(865) 558-4400
Enumerated
Feb 10, 2025
Record last updated
Jan 14, 2026
Fax
(865) 546-9047
Medicare enrollment
Enrolled (PECOS I20250320003258); accepts Medicare assignment
Medical or professional school
Lincoln Memorial University Medical Department, 2024
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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8 nearest physician assistant records → All 3,055 in Tennessee → Look up another NPI →

Also registered at 1600 Accelerator Way Ste 220

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

  1. Lindsey Bennett, PTPhysical Therapist1881044576
  2. Grace Manore, PT, DPTPhysical Therapist1164989109
  3. Nikolas Savolidis, OTOccupational Therapist1063293371
  4. Jacob Watts, DPTPhysical Therapist1033784145

Verify Robert Nathaniel Feller 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
Find 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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Bills Medicare through one group practice

  1. Orthotennessee PCKnoxville, TN

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

Robert Nathaniel Feller among 3,055 physician assistant records in Tennessee

Robert Nathaniel Feller, 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 2025, is newer than 88% of them.

  • NPI issued2025 · 88% of these records are older, 5% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2024 · median 2019 among the 2,030 with a school on file
  • Record last updated2026 · 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.

All 3,055 in Tennessee → Every provider in Knoxville → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Kevin Blazer, PA-CKnoxville, TN 379201861439648
  2. Jo Ann Bridges, PAKnoxville, TN 379201932154473
  3. Sarah Campbell, PAKnoxville, TN 379201609032648
  4. James Deweese, PA-CKnoxville, TN 379201578539987
  5. Gregory Finch, PA-CKnoxville, TN 379201821377318
  6. Charles Haney, PAKnoxville, TN 379201831117514
  7. Rachel Martin, PA-CKnoxville, TN 379201225320765
  8. Michael Nowak, PAKnoxville, TN 379201811991359

Common questions

What is Robert Nathaniel Feller, PA-C's NPI number?

Robert Nathaniel Feller, PA-C's National Provider Identifier (NPI) is 1821803701, issued on Feb 10, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Robert Nathaniel Feller, PA-C located?

The NPPES record lists a practice address at 1600 Accelerator Way Ste 220, Knoxville, TN, 37920. Phone: (865) 558-4400. Providers update this record themselves, so call before visiting.

How can I verify Robert Nathaniel Feller, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.