Amy Rehklau, RN

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

NUR-APRN-LIC-242957 Issued in MT

Practice address

16 N Miles Ave Ste 101
Hardin, MT 59034-2356

Phone

(406) 665-4103

NPI assigned

Feb 14, 2024

Last updated

Mar 17, 2026By 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 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MT

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 1

Specialty

Nurse Practitioner

Education

Other, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Bighorn Valley Health Center IncorporatedGroup PAC ID 8820246077, 85 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Big Horn Hospital Hospital, Hardin, MT, CCN 271338

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner, Registered Nurse

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: amy.rehklau.1@16708.direct.athenahealth.com

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.

• Bighorn Valley Health Center Incorporated

  dba One Health Campus

  • Federally Qualified Health Center (FQHC)
  • Hardin, MT
  • NPI 1255617130
  Medicare reassignment Care Compare group NPD
• Bighorn Valley Health Center Incorporated

  dba One Health - Housing First Village

  • Federally Qualified Health Center (FQHC)
  • Bozeman, MT
  • NPI 1356106009
  NPD
• Bighorn Valley Health Center Incorporated

  dba One Health-Harlem

  • Federally Qualified Health Center (FQHC)
  • Harlem, MT
  • NPI 1619160504
  NPD
• Bighorn Valley Health Center Incorporated

  dba oneHealth

  • Federally Qualified Health Center (FQHC)
  • Miles City, MT
  • NPI 1285611129
  NPD (past)
• Bighorn Valley Health Center Incorporated

  dba One Health - Community Partners

  • Federally Qualified Health Center (FQHC)
  • Bozeman, MT
  • NPI 1376787770
  NPD (past)
• Bighorn Valley Health Center Incorporated

  dba One Health - Belgrade

  • Federally Qualified Health Center (FQHC)
  • Belgrade, MT
  • NPI 1447494000
  NPD (past)
• Bighorn Valley Health Center Incorporated

  dba One Health - Community Health Partners

  • Federally Qualified Health Center (FQHC)
  • Livingston, MT
  • NPI 1487741005
  NPD (past)
• Bighorn Valley Health Center Incorporated

  dba One Health-Sweet/Chinook

  • Federally Qualified Health Center (FQHC)
  • Chinook, MT
  • NPI 1619970795
  NPD (past)
• Bighorn Valley Health Center Incorporated

  dba One Health - West Yellowstone

  • Federally Qualified Health Center (FQHC)
  • West Yellowstone, MT
  • NPI 1699085720
  NPD (past)
• Bighorn Valley Health Center Incorporated

  dba One Health - Lewistown

  • Federally Qualified Health Center (FQHC)
  • Lewistown, MT
  • NPI 1942450432
  NPD (past)
• Bighorn Valley Health Center, Incorporated

  dba One Health-Hardin Academy Clinic

  • Federally Qualified Health Center (FQHC)
  • Hardin, MT
  • NPI 1194571018
  NPD (past)
• Bighorn Valley Health Center, Incorporated

  dba One Health - Hardin Clinic

  • Federally Qualified Health Center (FQHC)
  • Hardin, MT
  • NPI 1336821115
  NPD (past)

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

• Big Horn Hospital Association

  dba Big Horn Hospital

  • Medicare Defined Swing Bed Hospital Unit
  • Hardin, MT
  • NPI 1457441651
  Care Compare affiliation
• Big Horn Hospital Association

  dba Big Horn County Memorial Hospital

  • Critical Access Hospital
  • Hardin, MT
  • NPI 1891713533
  Care Compare affiliation

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

{
    "created_epoch": "1707868800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773705600000",
    "number": "1417712944",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16 N MILES AVE STE 101",
            "city": "HARDIN",
            "state": "MT",
            "postal_code": "590342356",
            "telephone_number": "406-665-4103"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16 N MILES AVE STE 101",
            "city": "HARDIN",
            "state": "MT",
            "postal_code": "590342356",
            "telephone_number": "406-665-4103"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1223 N Center Ave",
            "address_purpose": "LOCATION",
            "city": "Hardin",
            "state": "MT",
            "postal_code": "590341100",
            "country_code": "US",
            "telephone_number": "406-665-4103",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "REHKLAU",
        "first_name": "AMY",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-02-14",
        "last_updated": "2026-03-17",
        "certification_date": "2026-03-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MT",
            "license": "NUR-APRN-LIC-242957",
            "primary": true
        },
        {
            "code": "163WN0002X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Neonatal Intensive Care",
            "state": "MT",
            "license": "NUR-RN-LIC-40542",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Stefanie Rickhoff, PA
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• Janet Kathryn Ross, LCSW
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• Shopko Stores Operating Co LLC (Shopko Pharmacy 549)

• Family Nurse Practitioner in Hardin, MT
• Providers in Hardin, 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 Mar 17, 2026; 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.