Nikki Buck, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

NUR-APRN-LIC-100594 Issued in MT

Practice address

207 N Main St
Twin Bridges, MT 59754-8522

Phone

(406) 842-5453

NPI assigned

Feb 3, 2014

Last updated

Aug 14, 2025By the provider in NPPES

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 WA, 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

Nurse Practitioner

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Billings ClinicGroup PAC ID 6002993516, 814 clinicians

Ruby Valley HospitalGroup PAC ID 6406764018, shared by 4 NPIs, 18 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ruby Valley Medical Center Hospital, Sheridan, MT, CCN 271319
• Barrett Hospital & Healthcare Hospital, Dillon, MT, CCN 271318

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Billings Clinic

  • Emergency Care Clinic/Center
  • Billings, MT
  • NPI 1326104845
  Medicare reassignment Care Compare group NPD
• Mercury Street Medical Group PLLC

  • Physician Assistant
  • Butte, MT
  • NPI 1619054681
  Medicare reassignment NPD
• Peak Health & Wellness, LLC

  dba BestMed

  • Urgent Care Clinic/Center
  • Belgrade, MT
  • NPI 1073669461
  Medicare reassignment NPD
• Ruby Valley Hospital

  dba Ruby Valley Medical Center

  • Critical Access Hospital
  • Sheridan, MT
  • NPI 1083710651
  Medicare reassignment NPD
• Ruby Valley Hospital

  dba Ruby Valley Medical Center

  • Medicare Defined Swing Bed Hospital Unit
  • Sheridan, MT
  • NPI 1174668164
  Medicare reassignment NPD
• Pacific County Hospital District 2

  dba Willapa Harbor Hospital

  • Critical Access Hospital
  • South Bend, WA
  • NPI 1295708683
  Medicare reassignment NPD
• Billings Clinic

  • General Practice Physician
  • Billings, MT
  • NPI 1376598714
  NPD
• Billings Clinic

  dba Billings Clinic West

  • Internal Medicine Physician
  • Billings, MT
  • NPI 1871548289
  NPD
• Ruby Valley Hospital

  dba Ruby Valley Medical Center

  • Rural Health Clinic/Center
  • Twin Bridges, MT
  • NPI 1336284264
  NPD
• Pacific County Hospital District 2

  dba Willapa Medical Clinic

  • Rural Health Clinic/Center
  • South Bend, WA
  • NPI 1760582522
  NPD
• Peak Health and Wellness, PLLC

  dba Nova Health

  • Urgent Care Clinic/Center
  • Belgrade, MT
  • NPI 1902181563
  NPD (past)

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

• Barrett Hospital Development Corporation

  dba Barrett Hospital & HealthCare

  • Critical Access Hospital
  • Dillon, MT
  • NPI 1326042078
  Care Compare affiliation
• Barrett Hospital Development Corporation

  • Medicare Defined Swing Bed Hospital Unit
  • Dillon, MT
  • NPI 1326419102
  Care Compare affiliation
• Ruby Valley Hospital

  dba Ruby Valley Medical Center

  • Critical Access Hospital
  • Sheridan, MT
  • NPI 1083710651
  Care Compare affiliation

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

{
    "created_epoch": "1391385600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755129600000",
    "number": "1689097156",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 352",
            "city": "TWIN BRIDGES",
            "state": "MT",
            "postal_code": "597540352",
            "telephone_number": "406-842-5453"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "207 N MAIN ST",
            "city": "TWIN BRIDGES",
            "state": "MT",
            "postal_code": "597548522",
            "telephone_number": "406-842-5453"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BUCK",
        "first_name": "NIKKI",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-02-03",
        "last_updated": "2025-08-14",
        "certification_date": "2025-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MT",
            "license": "NUR-APRN-LIC-100594",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Barrett Hospital Development Corporation (Barrett Hospital Clinic Twin Bridges)
• Pierson Mental Health Services, LLC
• Emily Rose Pierson, MED, LCPC
• David A Ross, M.D.
• Ruby Valley Hospital (Ruby Valley Medical Center)
• Twin Bridges K-12 Schools

• Family Nurse Practitioner in Twin Bridges, MT
• Providers in Twin Bridges, MT by specialty
• Family Nurse Practitioner in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 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.