Nancy Koster, M.D.

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

MD61103411 Issued in WA

Practice address

16528 E Desmet CT Ste B3200
Spokane Valley, WA 99216-3522

Phone

(509) 455-8820

NPI assigned

May 3, 2006

Last updated

Mar 20, 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

Other identifiers 2

Electronic endpoints 4

Medicare fee-for-service enrollment

Enrolled in WA

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

Specialty

Cardiovascular Disease (Cardiology)

Education

Creighton University School of Medicine, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Providence Health and Services WashingtonGroup PAC ID 8729258256, 53 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Prov Sacred HRT Med Ctr & Childs Hosp. Hospital, Spokane, WA, CCN 500054
• Providence Mount Carmel Hospital Hospital, Colville, WA, CCN 501326
• Providence Holy Family Hospital Hospital, Spokane, WA, CCN 500077
• Samaritan Hospital Hospital, Moses Lake, WA, CCN 500033
• Providence St Joseph Hospital Hospital, Chewelah, WA, CCN 501309

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nkoster1657927@oc.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 Washington

  dba Providence Spokane Heart Institute

  • Cardiovascular Disease Physician
  • Spokane, WA
  • NPI 1881907715
  Medicare reassignment Care Compare group NPD
• Tri-State Memorial Hospital

  • Critical Access Hospital
  • Clarkston, WA
  • NPI 1598814352
  Medicare reassignment NPD
• Tri-State Memorial Hospital

  • Critical Access Hospital
  • Clarkston, WA
  • NPI 1760485221
  Medicare reassignment NPD
• Tri-State Memorial Hospital

  • Community Based Hospice Care Agency
  • Clarkston, WA
  • NPI 1831100254
  NPD
• Tri-State Memorial Hospital

  dba Tri State Medical Clinics

  • Family Medicine Physician
  • Clarkston, WA
  • NPI 1932405693
  NPD
• Providence Health & Services - Wa

  dba Prov Scred Hrt Med Ctr & Chlds Hos

  • General Acute Care Hospital
  • Spokane, WA
  • NPI 1144471715
  NPD (past)
• Creighton University

  dba Creighton Medical Associates

  • Allergy & Immunology (Internal Medicine) Physician
  • Omaha, NE
  • NPI 1295777225

  Cardiovascular Disease

  NPD (past)
• Creighton University

  dba Creighton Therapy and Wellness

  • Physical Therapist
  • Omaha, NE
  • NPI 1780172304
  NPD (past)

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

• Grant County Public Hospital District 1

  dba Samaritan

  • General Acute Care Hospital
  • Moses Lake, WA
  • NPI 1902818883
  Care Compare affiliation
• Providence Health & Services - Wa

  dba Prov Scred Hrt Med Ctr & Chlds Hos

  • General Acute Care Hospital
  • Spokane, WA
  • NPI 1144471715
  Care Compare affiliation
• Providence Health & Services - Wa

  dba Providence St Joseph Hospital

  • Critical Access Hospital
  • Chewelah, WA
  • NPI 1750532321
  Care Compare affiliation
• Providence Health & Services - Washington

  dba Providence Mount Carmel Hospital

  • Critical Access Hospital
  • Colville, WA
  • NPI 1003067679
  Care Compare affiliation
• Providence Health & Services - Washington

  dba Providence Holy Family Hospital

  • General Acute Care Hospital
  • Spokane, WA
  • NPI 1225289895
  Care Compare affiliation

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

{
    "created_epoch": "1146614400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773964800000",
    "number": "1073571741",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 31001-4114",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911100001",
            "telephone_number": "866-747-2455"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16528 E DESMET CT STE B3200",
            "city": "SPOKANE VALLEY",
            "state": "WA",
            "postal_code": "992163522",
            "telephone_number": "509-455-8820"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "62 W 7th Ave Ste 450",
            "address_purpose": "LOCATION",
            "city": "Spokane",
            "state": "WA",
            "postal_code": "992042321",
            "country_code": "US",
            "telephone_number": "509-455-8820",
            "fax_number": "509-227-7070",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7500 Mercy Rd",
            "address_purpose": "LOCATION",
            "city": "Omaha",
            "state": "NE",
            "postal_code": "681242319",
            "country_code": "US",
            "telephone_number": "402-398-5880",
            "fax_number": "402-398-6716",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "700 W Ironwood Dr Ste 320",
            "address_purpose": "LOCATION",
            "city": "Coeur D Alene",
            "state": "ID",
            "postal_code": "838144485",
            "country_code": "US",
            "telephone_number": "208-625-5250",
            "fax_number": "208-625-5251",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOSTER",
        "first_name": "NANCY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-03",
        "last_updated": "2026-03-20",
        "certification_date": "2026-03-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "WA",
            "license": "MD61103411",
            "primary": true
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "ID",
            "license": "M15380",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100264481-00",
            "state": "NE"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1073571741",
            "state": "IA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "nkoster1657927@oc.providencedirect.org",
            "affiliation": "N",
            "address_1": "2773 Harris St Ste A",
            "city": "Eureka",
            "state": "CA",
            "country_code": "US",
            "postal_code": "955034866",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "nkoster1657927@oc.providencedirect.org",
            "affiliation": "N",
            "address_1": "3304 Renner Dr",
            "city": "Fortuna",
            "state": "CA",
            "country_code": "US",
            "postal_code": "955407102",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "nkoster1657927@oc.providencedirect.org",
            "affiliation": "N",
            "address_1": "2332 23rd St",
            "city": "Eureka",
            "state": "CA",
            "country_code": "US",
            "postal_code": "955013231",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "nkoster1657927@oc.providencedirect.org",
            "affiliation": "N",
            "address_1": "1200 Marshall St",
            "city": "Crescent City",
            "state": "CA",
            "country_code": "US",
            "postal_code": "955312217",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Pete Kopplin
• David S Kordish, O.D.
• Emily Murphy Korszen, O.D.
• Michael F Kos, MD
• Hunter Koss
• Nichole Carolyn Kostoff, MOT,BS
• Lowell Thomas Kovacich, DC, ATC
• Daniel Kovalenko, LMT
• Veronika Kovaleva
• Larisa Kozhevnikova, LMT

• Cardiovascular Disease Physician in Spokane Valley, WA
• Providers in Spokane Valley, WA by specialty
• Cardiovascular Disease Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 20, 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.