Erin Louise Williams

Primary specialty

Orthopedic Physical TherapistTaxonomy code 2251X0800X

License

PTP-PT-LIC-21842 Issued in MT

Practice address

214 E Main St
Missoula, MT 59802-4418

Phone

(406) 926-2150

Fax

(406) 258-0724

NPI assigned

Oct 7, 2021

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MT

Enrollment records 1

Specialty

Physical Therapist in Private Practice

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Endurance PhysioGroup PAC ID 0840502936, 8 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Endurance Physio

  • Physical Therapy Clinic/Center
  • Missoula, MT
  • NPI 1053798736
  Medicare reassignment Care Compare group NPD
• Sapphire Physical Therapy, PC

  • Specialist
  • Missoula, MT
  • NPI 1013957406
  Medicare reassignment NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1633564800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760832000000",
    "number": "1538821582",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "214 E MAIN ST",
            "city": "MISSOULA",
            "state": "MT",
            "postal_code": "598024418",
            "telephone_number": "406-926-2150",
            "fax_number": "406-258-0724"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "214 E MAIN ST",
            "city": "MISSOULA",
            "state": "MT",
            "postal_code": "598024418",
            "telephone_number": "406-926-2150",
            "fax_number": "406-258-0724"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "ERIN",
        "middle_name": "LOUISE",
        "name_prefix": "Dr.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-10-07",
        "last_updated": "2025-10-19",
        "certification_date": "2025-10-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2251X0800X",
            "taxonomy_group": "",
            "desc": "Physical Therapist, Orthopedic",
            "state": "MT",
            "license": "PTP-PT-LIC-21842",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• William D. Patenaude, PHD PC
• Alicia Gene Williams
• Andrea Williams
• Carin Williams, CCC-SLP
• Erin E Williams, LCPC
• Heather Neilson Williams, M.S., ED.S., PCLC
• Kelly Whetstone Williams, ARNP
• Megan Williams, RBT
• Sydney Williams
• Tami Marie Williams, LCPC

• Orthopedic Physical Therapist in Missoula, MT
• Providers in Missoula, MT by specialty
• Orthopedic Physical Therapist in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.