Kristen E Day, M.D.

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

18576 Issued in MT

Practice address

875 S Cottonwood Rd Ste 300
Bozeman, MT 59718-4208

Phone

(406) 414-4100

Fax

(406) 414-4199

NPI assigned

Oct 15, 2008

Last updated

Apr 15, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Bozeman Health Big Sky Medical Center, LLC

  • Family Medicine Physician
  • Big Sky, MT
  • NPI 1740659952
  Medicare reassignment NPD
• Bozeman Health Deaconess Hospital

  • Family Medicine Physician
  • Bozeman, MT
  • NPI 1619347390

  Pediatrics

  Medicare reassignment NPD
• Belgrade Clinic PLLP

  • Family Medicine Physician
  • Belgrade, MT
  • NPI 1447280912
  NPD
• Bozeman Health Big Sky Medical Center, LLC

  dba Bozeman Health Big Sky Medical Center

  • Critical Access Hospital
  • Big Sky, MT
  • NPI 1588141048
  NPD
• Bozeman Health Deaconess Hospital

  • Durable Medical Equipment & Medical Supplies
  • Bozeman, MT
  • NPI 1013733955
  NPD
• Bozeman Health Deaconess Hospital

  • General Acute Care Hospital
  • Bozeman, MT
  • NPI 1104295864
  NPD (past)

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

{
    "created_epoch": "1224028800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744675200000",
    "number": "1689826141",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "915 HIGHLAND BLVD",
            "city": "BOZEMAN",
            "state": "MT",
            "postal_code": "597156902",
            "telephone_number": "406-414-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "875 S COTTONWOOD RD STE 300",
            "city": "BOZEMAN",
            "state": "MT",
            "postal_code": "597184208",
            "telephone_number": "406-414-4100",
            "fax_number": "406-414-4199"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "915 Highland Blvd",
            "address_purpose": "LOCATION",
            "city": "Bozeman",
            "state": "MT",
            "postal_code": "597156902",
            "country_code": "US",
            "telephone_number": "406-414-5700",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DAY",
        "first_name": "KRISTEN",
        "middle_name": "E",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-10-15",
        "last_updated": "2025-04-15",
        "certification_date": "2025-04-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "UT",
            "license": "7152008-1205",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MT",
            "license": "18576",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kday7290977@direct.sanfordhealth.org",
            "affiliation": "Y",
            "affiliationName": "Bozeman Health Deaconess Hospital",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "875 S Cottonwood Rd Ste 300",
            "city": "Bozeman",
            "state": "MT",
            "country_code": "US",
            "postal_code": "597184208",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Marla Ann Davis, LPT
• Melissa Costigan Davis, LCPC
• Melissa Robin Davis, OTR/L
• Ronald Herbert Davis, D.C.
• Ryan Timothy Davis
• Steve Paul Dayhuff, CCC-SLP
• Steven G. Dayhuff Sr.
• DC Endeavors LLC (Windy Ridge Chiropractic)
• Sarah De Groot
• Jennifer Erin De Raoulx, BCBA

• Pediatrics Physician in Bozeman, MT
• Providers in Bozeman, MT by specialty
• Pediatrics Physician in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.