NPIMap

Individual provider Active NPI

David Simeon Costner, APRN NP-BC

  • Nurse Practitioner
  • Plains, MT
National Provider Identifier
1346542867
Registry record updated Apr 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
102425 Issued in MT
Practice address
406 W Railroad Ave
Plains, MT 59859-9597
Phone
(406) 540-5757
Fax
(833) 906-2418
NPI assigned
Dec 4, 2010
Last updated
Apr 24, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 24, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X NUR-APRN-LIC-102425 MT
Nurse Practitioner 363L00000X 102425 MT Primary

Addresses

Primary practice location

406 W Railroad Ave
Plains, MT 59859-9597

Mailing address

406 W Railroad Ave
Plains, MT 59859-9597
Phone (406) 540-5757

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.
Opted out of Medicare
Yes, effective Apr 1, 2026 through Apr 1, 2028

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

1223 Commerce Dr
Mountain Home, AR 72653-2617

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
102425MTMDNurse Practitioner
NUR-APRN-LIC-102425MTMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Baxter County Regional Hospital Inc Current Accepting new patients
NP Clinics of Tennessee Past Accepting new patients
Baxter County Regional Hospital Inc Past Accepting new patients
Ozarks Medical Center Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: david.costner.1@23889.direct.athenahealth.com

Organizations & group practices 5

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.

Hospital & facility affiliations 23

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

View all 23

NPI Registry JSON

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

{
    "created_epoch": "1291420800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776988800000",
    "number": "1346542867",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "406 W RAILROAD AVE",
            "city": "PLAINS",
            "state": "MT",
            "postal_code": "598599597",
            "telephone_number": "406-540-5757",
            "fax_number": "833-906-2418"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "406 W RAILROAD AVE",
            "city": "PLAINS",
            "state": "MT",
            "postal_code": "598599597",
            "telephone_number": "406-540-5757",
            "fax_number": "833-906-2418"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COSTNER",
        "first_name": "DAVID",
        "middle_name": "SIMEON",
        "name_prefix": "Mr.",
        "credential": "APRN NP-BC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-12-04",
        "last_updated": "2026-04-24",
        "certification_date": "2026-04-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MT",
            "license": "NUR-APRN-LIC-102425",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MT",
            "license": "102425",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Plains, MT

Sources for this page

Verify at the official NPI Registry.