NPPES file of Aug 9, 2026

Stephen Paul Klassen, PT, MPT, CERT. MDT

Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician · Norman, OK

Stephen Paul Klassen, PT, MPT, CERT. MDT is a neuromuscular medicine (physical medicine & rehabilitation) physician with a practice address in Norman, Oklahoma, and NPI 1558489385, issued on Mar 27, 2007. Check the license (Oklahoma 3538, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; 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
1558489385
Name
Stephen Paul Klassen
Credential
PT, MPT, CERT. MDT
Primary taxonomy
Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician 2081N0008X
License number
3538 OK
Self-reported in NPPES; status is on the state search
Practice location
2201 Trae Young Dr, Norman, OK 73069
Phone
(405) 515-8080
Enumerated
Mar 27, 2007
Record last updated
Apr 9, 2025
Medicare enrollment
Enrolled (PECOS I20131111000093); 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 Stephen Paul Klassen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 3538
    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 Oklahoma license search

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Bills Medicare through one group practice

  1. Ortho CentralNorman, OK

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

Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician providers in Oklahoma

There are 2 neuromuscular medicine (physical medicine & rehabilitation) physician records in Oklahoma.

The 1 neuromuscular medicine (physical medicine & rehabilitation) physician record with the nearest ZIP codes

  1. Johnny Duncan, DOLawton, OK 735051790771095

Common questions

What is Stephen Paul Klassen, PT, MPT, CERT. MDT's NPI number?

Stephen Paul Klassen, PT, MPT, CERT. MDT's National Provider Identifier (NPI) is 1558489385, issued on Mar 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Paul Klassen, PT, MPT, CERT. MDT located?

The NPPES record lists a practice address at 2201 Trae Young Dr, Norman, OK, 73069. Phone: (405) 515-8080. Providers update this record themselves, so call before visiting.

How can I verify Stephen Paul Klassen, PT, MPT, CERT. MDT's license?

NPPES lists Oklahoma license number 3538, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.