NPPES file of Aug 9, 2026

Gary D. Olheiser, OT

Occupational Therapist · Thermopolis, WY

Gary D. Olheiser, OT is an occupational therapist with a practice address in Thermopolis, Wyoming, and NPI 1518163203, issued on Jun 21, 2007. Check the license (Wyoming OT-316, as entered in NPPES) with the Wyoming 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
1518163203
Name
Gary D. Olheiser
Credential
OT
Primary taxonomy
Occupational Therapist 225X00000X
License number
OT-316 WY
Self-reported in NPPES; status is on the state search
Practice location
148 E Arapahoe St, Thermopolis, WY 82443
Phone
(307) 864-2146
Enumerated
Jun 21, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20051121000305); accepts Medicare assignment
Medical or professional school
University Of North Dakota School Of Medicine, 1983
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.
Download card Updates feed

Also registered at 148 E Arapahoe St

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

  1. Susan Abbott, PTPhysical Therapist1629274303
  2. Vicki BernardSpeech-Language Pathologist1437413465
  3. Ann Marie Bilek, OTOccupational Therapist1871729475
  4. Alex BischoffPhysical Therapist1245932540
  5. Grace Bischoff, DPTPhysical Therapist1568164804
  6. Yun-Ju Cheng, PH.D.Clinical Psychologist1730259433

Verify Gary D. Olheiser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wyoming board licenses this profession
    Search for license OT-316
    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 Wyoming 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. William H And Carrie Gottsche FoundationThermopolis, WY

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

Gary D. Olheiser among 315 occupational therapist records in Wyoming

Gary D. Olheiser, OT is one of 315 occupational therapist records with a practice address in Wyoming. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 9% of them.

  • NPI issued2007 · 9% of these records are older, 80% newer
  • In a Medicare fileYes · 26% of these records are
  • In the CMS Doctors and Clinicians fileYes · 28% of these records are
  • Graduated1983 · median 2019 among the 87 with a school on file
  • Record last updated2007 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 occupational therapist records list a practice address in Thermopolis

They are 9 of the 98 NPPES records with a practice address in Thermopolis, and 315 occupational therapist records in Wyoming.

The 8 occupational therapist records with the nearest ZIP codes

  1. Robert Armstrong, OTRThermopolis, WY 824431619494291
  2. Ann Marie Bilek, OTThermopolis, WY 824431871729475
  3. Karla EhlersThermopolis, WY 824431396478806
  4. Kortni Heckart, OTR/LThermopolis, WY 824431851705750
  5. Alyssa LamagnaThermopolis, WY 824431235812785
  6. Lonnie Music, OTRThermopolis, WY 824431851552301
  7. Marcia Nelson, OTRLThermopolis, WY 824431043403199
  8. Andrew Stiles, OTR/LThermopolis, WY 824431649744103

Common questions

What is Gary D. Olheiser, OT's NPI number?

Gary D. Olheiser, OT's National Provider Identifier (NPI) is 1518163203, issued on Jun 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gary D. Olheiser, OT located?

The NPPES record lists a practice address at 148 E Arapahoe St, Thermopolis, WY, 82443. Phone: (307) 864-2146. Providers update this record themselves, so call before visiting.

How can I verify Gary D. Olheiser, OT's license?

NPPES lists Wyoming license number OT-316, as entered by the provider. Search the Wyoming 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.