NPIMap

Individual provider Active NPI

Christopher J. Seward, M.D.

  • Neurological Surgery Physician
  • Seattle, WA
National Provider Identifier
1457612194
Registry record updated Jul 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurological Surgery PhysicianTaxonomy code 207T00000X
License
MD61678798 Issued in WA
Practice address
1959 NE Pacific St Box # 356465
Seattle, WA 98195-9186
Phone
(206) 520-5000
NPI assigned
May 30, 2012
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 24, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neurological Surgery Physician 207T00000X MD61678798 WA Primary

Addresses

Primary practice location

1959 NE Pacific St Box # 356465
Seattle, WA 98195-9186

Mailing address

PO Box 50095
Seattle, WA 98145-5095
Phone (206) 520-5700

Other identifiers 1

IdentifierTypeStateIssuer
1457612194MedicaidNV

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NV, WA2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20201105001220 NV Practitioner - Neurosurgery 5597082255 Reassigns benefits to 1 organization
I20250516003120 WA Practitioner - Neurosurgery 5597082255 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Neurosurgery
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
The Association of University PhysiciansGroup PAC ID 0446162697, 3,484 clinicians

Practice addresses (Care Compare)

1701 Columbia Rd
Seattle, WA 98195-0001
Phone (206) 598-3100

1959 NE Pacific St
Seattle, WA 98195-0001
Phone (206) 598-4333

325 9TH Ave
Seattle, WA 98104-2420
Phone (206) 731-3000

908 Jefferson St
Seattle, WA 98104-2433
Phone (206) 744-2020

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Laminectomy or laminotomy (partial removal of spine bones)1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
The Association of University Physicians CurrentSince Jun 1, 2025 Accepting new patients
The Association of Chrmc and University Physicians Neurological Surgery CurrentSince Jun 24, 2025 Accepting new patients
Association of CHMC and University Physicians CurrentSince Jun 24, 2025 Accepting new patients
Henderson Hospital Past Accepting new patients
Desert Springs Hospital Past Accepting new patients
Sunrise Mountainview Hospital, Inc. Past Accepting new patients
Harborview Meical Center Past Accepting new patients
Seattle Children's Hospital Past Accepting new patients
Spring Valley Medical Center Past Accepting new patients
Dignity Health Past Accepting new patients
Centennial Hills Hospital Medical Center Past Accepting new patients

Locations

900 Pacific Ave
Ste 100
Everett, WA 98201
Phone (425) 304-6080

1959 NE Pacific St
Seattle, WA 98195
Phone (206) 598-4333

4800 Sand Point Way NE
Seattle, WA 98105
Phone (206) 526-2000

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/1566/brand/2/csg/41/fhir/r4

Organizations & group practices 12

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1338336000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753315200000",
    "number": "1457612194",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 50095",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981455095",
            "telephone_number": "206-520-5700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1959 NE PACIFIC ST BOX # 356465",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981959186",
            "telephone_number": "206-520-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SEWARD",
        "first_name": "CHRISTOPHER",
        "middle_name": "J.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-05-30",
        "last_updated": "2025-07-24",
        "certification_date": "2025-07-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "WA",
            "license": "MD61678798",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1457612194",
            "state": "NV"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.