Matthew K Littleton

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

MED-PAC-LIC-147324 Issued in MT

Practice address

5549 US Highway 93 N
Florence, MT 59833-6845

Phone

(406) 273-4923

Fax

(406) 329-4174

NPI assigned

Jul 17, 2022

Last updated

Dec 9, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in NM, MT2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Physician Assistant

Education

Rocky Vista University College of Osteopathic Med, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Providence Health and Services MtGroup PAC ID 6608786306, 358 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St. Patrick Hospital Hospital, Missoula, MT, CCN 270014
• Bitterroot Health - Daly Hospital Hospital, Hamilton, MT, CCN 271340

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/8078/brand/1/csg/1/fhir/r4
• Direct secure messaging: mlittleton2929691@wm.providencedirect.org

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

• Providence Health & Services Mt

  dba St Patrick Hospital Rehab

  • Rehabilitation Hospital Unit
  • Missoula, MT
  • NPI 1144319138
  Medicare reassignment Care Compare group NPD
• Presbyterian Healthcare Services

  dba Presbyterian Medical Group

  • Internal Medicine Physician
  • Albuquerque, NM
  • NPI 1104802354
  Medicare reassignment
• Providence Health & Services Mt

  dba Providence Medical Group Montana

  • Family Medicine Physician
  • Missoula, MT
  • NPI 1215222617
  NPD
• Providence Health & Services Mt

  • Cardiovascular Disease Physician
  • St Ignatius, MT
  • NPI 1568629038
  NPD
• Presbyterian Healthcare Services

  dba Presbyterian Hospital

  • General Acute Care Hospital
  • Albuquerque, NM
  • NPI 1215913470
  NPD
• Providence Health & Services Mt

  dba PMG Mt Ihi

  • Pulmonary Disease Physician
  • Missoula, MT
  • NPI 1427096585
  NPD (past)
• Rocky Vista Health Center LLC

  • Family Medicine Physician
  • Englewood, CO
  • NPI 1366606709
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Marcus Daly Memorial Hospital Corporation

  dba Bitterroot Health - Daly Hospital

  • Critical Access Hospital
  • Hamilton, MT
  • NPI 1659475846
  Care Compare affiliation
• Providence Health & Services Mt

  dba Providence St Patrick Hospital

  • General Acute Care Hospital
  • Missoula, MT
  • NPI 1023032588
  Care Compare affiliation
• Providence Health & Services Mt

  dba Montana Cancer Center at Providence St. Patrick Hospital

  • Medical Oncology Physician
  • Missoula, MT
  • NPI 1326483587

  Hospital

  Care Compare affiliation
• Providence Health & Services Mt

  dba St Patrick Hospital Pathology

  • Anatomic Pathology & Clinical Pathology Physician
  • Missoula, MT
  • NPI 1366185928

  Hospital

  Care Compare affiliation
• Providence Health & Services Mt

  dba St Patrick Hospital Psych

  • Psychiatric Hospital Unit
  • Missoula, MT
  • NPI 1619058302
  Care Compare affiliation

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

{
    "created_epoch": "1658016000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765238400000",
    "number": "1801521661",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 31001",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911104110"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5549 US HIGHWAY 93 N",
            "city": "FLORENCE",
            "state": "MT",
            "postal_code": "598336845",
            "telephone_number": "406-273-4923",
            "fax_number": "406-329-4174"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8401 S Chambers Rd",
            "address_purpose": "LOCATION",
            "city": "Parker",
            "state": "CO",
            "postal_code": "801349498",
            "country_code": "US",
            "telephone_number": "303-373-2008",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6400 Paseo Del Norte NE",
            "address_purpose": "LOCATION",
            "city": "Albuquerque",
            "state": "NM",
            "postal_code": "871131718",
            "country_code": "US",
            "telephone_number": "505-596-2100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LITTLETON",
        "first_name": "MATTHEW",
        "middle_name": "K",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-07-17",
        "last_updated": "2025-12-09",
        "certification_date": "2025-12-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NM",
            "license": "PA2023-0315",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MT",
            "license": "MED-PAC-LIC-147324",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Courtney Nicole Kerr, FNP
• Dennis R Lacey, D.D.S.
• Simone Alicia Larson, L.M.T
• Karie G. Lenander, LCSW
• Dusty Marie Lindeen, DPT, PT
• Heather Marie Lodwig, MA, MFT, LCPC
• Taylor R Loyola, PHARMD
• Mary Martin, LCSW
• Mary Martin, LCSW, LLC
• Taylor Edward McGreevey, DMD

• Physician Assistant in Florence, MT
• Providers in Florence, MT by specialty
• Physician Assistant in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 9, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.