Johanna Warner

Primary specialty

Social WorkerTaxonomy code 104100000X

License

SWI.LW.70018212 Issued in WA

Practice address

530 Melrose Ave E
Seattle, WA 98102-4772

Phone

(289) 879-5401

NPI assigned

Apr 16, 2026

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in WA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 2020

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• Seattle Children'S Hospital

  • Specialist
  • Seattle, WA
  • NPI 1003319500
  Medicare reassignment

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

{
    "created_epoch": "1776297600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776384000000",
    "number": "1629912985",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "530 MELROSE AVE E",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981024772"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "530 MELROSE AVE E",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981024772",
            "telephone_number": "289-879-5401"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARNER",
        "first_name": "JOHANNA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-04-16",
        "last_updated": "2026-04-17",
        "certification_date": "2026-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "WA",
            "license": "SWI.LW.70018212",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christian Warner, STUDENT IN PROGRAM
• Christina Lauren Warner, MD
• David Warner
• Emily Warner
• Jeffrey Warner, DO
• Josie Warner
• Lindsay Nicole Warner, M.D.
• Mary H Warner, PH.D.
• Michelle Warner, RN
• Nicole Monique Warner, ARNP

• Social Worker in Seattle, WA
• Providers in Seattle, WA by specialty
• Social Worker in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 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.