NPPES file of Aug 9, 2026

Clarence Jason Harless, PTA

Physical Therapy Assistant · Owasso, OK

Clarence Jason Harless, PTA is a physical therapy assistant with a practice address in Owasso, Oklahoma, and NPI 1891574299, issued on Sep 25, 2023. Check the license with the Oklahoma board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1891574299
Name
Clarence Jason Harless
Credential
PTA
Primary taxonomy
Physical Therapy Assistant 225200000X
License number
4995 SC
Self-reported in NPPES; status is on the state search
Practice location
9540 N Garnett RD, Owasso, OK 74055
Phone
(918) 609-1300
Enumerated
Sep 25, 2023
Record last updated
Sep 25, 2023
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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Verify Clarence Jason Harless in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oklahoma 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 Oklahoma license search

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24 physical therapy assistant records list a practice address in Owasso

They are 24 of the 788 NPPES records with a practice address in Owasso, and 1,108 physical therapy assistant records in Oklahoma. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 24 in Owasso → All 1,108 in Oklahoma → Every provider in Owasso →

Other physical therapy assistant records in Oklahoma

  1. Jennifer Aaron, PTAGlenpool, OK1851005516
  2. Amanda Abshure, PTANorman, OK1508063496
  3. Terri Adams, PTANorman, OK1851590574
  4. Marilyn Adcock, PTAOklahoma City, OK1700904471
  5. Teresa Adkison, PTABethany, OK1144328733
  6. Leslie Agnew, PTATulsa, OK1497339733
  7. Carlos Aguilar, PTAFort Sill, OK1285497644
  8. Ashley Aich, PTASapulpa, OK1407456700
  9. Jeremy Aitson, PTAOklahoma City, OK1235673716
  10. Kimberly Akers, LPTAPoteau, OK1700105939

Common questions

What is Clarence Jason Harless, PTA's NPI number?

Clarence Jason Harless, PTA's National Provider Identifier (NPI) is 1891574299, issued on Sep 25, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Clarence Jason Harless, PTA located?

The NPPES record lists a practice address at 9540 N Garnett RD, Owasso, OK, 74055. Phone: (918) 609-1300. Providers update this record themselves, so call before visiting.

How can I verify Clarence Jason Harless, PTA's license?

Search the Oklahoma 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. 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.