NPPES file of Aug 9, 2026

Erin Louise Williams

Orthopedic Physical Therapist · Missoula, MT

Erin Louise Williams is an orthopedic physical therapist with a practice address in Missoula, Montana, and NPI 1538821582, issued on Oct 7, 2021. Check the license (Montana PTP-PT-LIC-21842, as entered in NPPES) with the Montana 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
1538821582
Name
Erin Louise Williams
Primary taxonomy
Orthopedic Physical Therapist 2251X0800X
License number
PTP-PT-LIC-21842 MT
Self-reported in NPPES; status is on the state search
Practice location
214 E Main St, Missoula, MT 59802
Phone
(406) 926-2150
Enumerated
Oct 7, 2021
Record last updated
Oct 19, 2025
Fax
(406) 258-0724
Medicare enrollment
Enrolled (PECOS I20230417001146); 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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8 nearest orthopedic physical therapist records → All 57 in Montana → Look up another NPI →

Also registered at 214 E Main St

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

  1. Sara Boughner, DPTPhysical Therapist1699332312
  2. Kolin HuntonPhysical Therapist1164105474
  3. Somer Morris, DPTPhysical Therapist1124904842
  4. Tara Mund, D.P.T.Physical Therapist1326231598
  5. Evelyn Tate, DPTPhysical Therapist1497372510
  6. Jamie Terry, DPTPhysical Therapist1972807899

Verify Erin Louise Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license PTP-PT-LIC-21842    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 Montana 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. Endurance PhysioMissoula, MT

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

Erin Louise Williams among 57 orthopedic physical therapist records in Montana

Erin Louise Williams is one of 57 orthopedic physical therapist records with a practice address in Montana. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 81% of them.

  • NPI issued2021 · 81% of these records are older, 11% newer
  • In a Medicare fileYes · 32% of these records are
  • In the CMS Doctors and Clinicians fileYes · 37% of these records are
  • Graduated2021 · median 2009 among the 21 with a school on file
  • Record last updated2025 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2251X0800X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopedic Physical Therapist providers in Montana

There are 57 orthopedic physical therapist records in Montana.

All 57 in Montana → Every provider in Missoula → Orthopedic Physical Therapist nationwide →

The 8 orthopedic physical therapist records with the nearest ZIP codes

  1. Cole BauschMissoula, MT 598021356965925
  2. Francisco Quinones, DPTMissoula, MT 598021174012108
  3. Miri Disney-Faller, M.S.P.T., A.T.,C.Missoula, MT 598011790981165
  4. Amy Downing, P.T.Missoula, MT 598011790932713
  5. Elizabeth Ikeda, DPTMissoula, MT 598011245448828
  6. Brace Hayden, DPTMissoula, MT 598041396755146
  7. Angela Listug-Vap, DPTMissoula, MT 598081750438719
  8. Patricia Mangan, P.T., M.S.Missoula, MT 598081740499458

Common questions

What is Erin Louise Williams's NPI number?

Erin Louise Williams's National Provider Identifier (NPI) is 1538821582, issued on Oct 7, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Erin Louise Williams located?

The NPPES record lists a practice address at 214 E Main St, Missoula, MT, 59802. Phone: (406) 926-2150. Providers update this record themselves, so call before visiting.

How can I verify Erin Louise Williams's license?

NPPES lists Montana license number PTP-PT-LIC-21842, as entered by the provider. Search the Montana 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.