NPPES file of Aug 9, 2026

Zachary Robert Duby, PT

Physical Therapist · Knoxville, TN

Zachary Robert Duby, PT is a physical therapist with a practice address in Knoxville, Tennessee, and NPI 1295455749, issued on Sep 2, 2022. Check the license (Tennessee 14439, as entered in NPPES) 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 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295455749
Name
Zachary Robert Duby
Credential
PT
Primary taxonomy
Physical Therapist 225100000X
License numbers
14439 TN
CP039095T AZ
12326 SC
Self-reported in NPPES; status is on the state search
Practice location
316 Knox RD, Knoxville, TN 37918
Phone
(865) 470-2696
Enumerated
Sep 2, 2022
Record last updated
Jun 25, 2025
Fax
(865) 330-7748
Medicaid ID
Q077773 TN
Medicare enrollment
Enrolled (PECOS I20220928003860); 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 Zachary Robert Duby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 14439
    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
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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No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Bills Medicare through one group practice

  1. Summit Medical Group, PLLCKnoxville, TN

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

Zachary Robert Duby among 5,363 physical therapist records in Tennessee

Zachary Robert Duby, PT is one of 5,363 physical therapist records with a practice address in Tennessee. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 77% of them.

  • NPI issued2022 · 77% of these records are older, 18% newer
  • In a Medicare fileYes · 36% of these records are
  • In the CMS Doctors and Clinicians fileYes · 36% of these records are
  • Graduated2022 · median 2017 among the 1,950 with a school on file
  • Record last updated2025 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

464 physical therapist records list a practice address in Knoxville

They are 464 of the 14,339 NPPES records with a practice address in Knoxville, and 5,363 physical therapist records in Tennessee.

The 8 physical therapist records with the nearest ZIP codes

  1. Kayla Beets, PT, DPTKnoxville, TN 379181831670447
  2. Scott Beisner, P.T.Knoxville, TN 379181609937416
  3. Kevin Bridges, DPTKnoxville, TN 379181760653075
  4. Timothy ButcherKnoxville, TN 379181013024272
  5. William Core, PTKnoxville, TN 379181932766433
  6. Gregory Defilippo, PHYSICAL THERAPISTKnoxville, TN 379181841393477
  7. Amy Hardy, P.T.Knoxville, TN 379181871556985
  8. Patricia HubbsKnoxville, TN 379181609106822

Common questions

What is Zachary Robert Duby, PT's NPI number?

Zachary Robert Duby, PT's National Provider Identifier (NPI) is 1295455749, issued on Sep 2, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Robert Duby, PT located?

The NPPES record lists a practice address at 316 Knox RD, Knoxville, TN, 37918. Phone: (865) 470-2696. Providers update this record themselves, so call before visiting.

How can I verify Zachary Robert Duby, PT's license?

NPPES lists Tennessee license number 14439, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

What is Zachary Robert Duby, PT's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.