Individual provider Active NPI

Soren Kostoff Madsen

  • Obstetrics & Gynecology Physician
  • La Grande, OR
National Provider Identifier
1457001398
Registry record updated Jun 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
DO229452 Issued in OR
Practice address
710 Sunset Dr Ste E
La Grande, OR 97850-1200
Phone
(541) 663-3150
Fax
(541) 975-5111
NPI assigned
Mar 24, 2022
Last updated
Jun 10, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 10, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X DO229452 OR Primary

Addresses

Primary practice location

710 Sunset Dr Ste E
La Grande, OR 97850-1200

Mailing address

10902 S D St
La Grande, OR 97850-8434
Phone (541) 963-1967

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR
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

Enrollment IDStateProvider typePAC IDDetails
I20260618000267 OR Practitioner - Obstetrics/Gynecology 6204308414

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Arizona College of Osteopathic Medicine Mid Western University, 2022
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

PO Box
Suite 3290
La Grande, OR 97850

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Grande Ronde Hospital, Inc. PastSince Jul 27, 2026 Accepting new patients
Grande Ronde Hospital, Inc. PastSince Jul 27, 2026 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: smadsen703185@ahs.direct-ci.com

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1648080000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781049600000",
    "number": "1457001398",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10902 S D ST",
            "city": "LA GRANDE",
            "state": "OR",
            "postal_code": "978508434",
            "telephone_number": "541-963-1967",
            "fax_number": "541-963-1837"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "710 SUNSET DR STE E",
            "city": "LA GRANDE",
            "state": "OR",
            "postal_code": "978501200",
            "telephone_number": "541-663-3150",
            "fax_number": "541-975-5111"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MADSEN",
        "first_name": "SOREN",
        "middle_name": "KOSTOFF",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-24",
        "last_updated": "2026-06-10",
        "certification_date": "2026-06-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "OR",
            "license": "DO229452",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in La Grande, OR

Sources for this page

Verify at the official NPI Registry.