Individual provider Active NPI

Harrison W Winslow, MD

  • Anesthesiology Physician
  • Tacoma, WA
National Provider Identifier
1285263731
Registry record updated Nov 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
MD61673956 Issued in WA
Practice address
315 M.L.K. Jr Way
Tacoma, WA 98405
Phone
(225) 287-0431
NPI assigned
Apr 6, 2020
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 24, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207L00000X MD61673956 WA Primary

Addresses

Primary practice location

315 M.L.K. Jr Way
Tacoma, WA 98405

Mailing address

PO Box 111058
Tacoma, WA 98411-1058
Phone (225) 287-0431

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20251212000010 WA Practitioner - Anesthesiology 1456773696 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Arkansas College of Medicine, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Tacoma Anesthesia Associates Inc PSGroup PAC ID 6002704475, 63 clinicians

Practice addresses (Care Compare)

315 Martin Luther King Jr Way
Tacoma, WA 98405-4234
Phone (253) 274-1668

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD61673956WAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Tacoma Anesthesia Associates Inc PS Single Specialty CurrentSince Oct 4, 2025 Accepting new patients

Locations

315 S K St
Tacoma, WA 98405
Phone (253) 403-1291

Organizations & group practices 1

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 1

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": "1586131200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763942400000",
    "number": "1285263731",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 111058",
            "city": "TACOMA",
            "state": "WA",
            "postal_code": "984111058",
            "telephone_number": "225-287-0431"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "315 M.L.K. JR WAY",
            "city": "TACOMA",
            "state": "WA",
            "postal_code": "98405",
            "telephone_number": "225-287-0431"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WINSLOW",
        "first_name": "HARRISON",
        "middle_name": "W",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-04-06",
        "last_updated": "2025-11-24",
        "certification_date": "2025-11-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Anesthesiology",
            "state": "WA",
            "license": "MD61673956",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tacoma, WA

Sources for this page

Verify at the official NPI Registry.