Phyllis Holzworth, ARNP

Primary specialty

Registered NurseTaxonomy code 163W00000X

License

RN00078257 Issued in WA

Practice address

3000 California Ave SW
Seattle, WA 98116-3302

Phone

(206) 658-8048

Fax

(206) 658-8063

NPI assigned

Sep 13, 2006

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 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1158105600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1013012152",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "905 SPRUCE ST STE 300",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981042474",
            "telephone_number": "206-461-6935",
            "fax_number": "206-461-8382"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3000 CALIFORNIA AVE SW",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981163302",
            "telephone_number": "206-658-8048",
            "fax_number": "206-658-8063"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLZWORTH",
        "first_name": "PHYLLIS",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-09-13",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "WA",
            "license": "RN00078257",
            "primary": true
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WA",
            "license": "AP30001367",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "961586",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• William Holway
• Douglas Holwerda, LMHC
• Andrew Holwick, PA-C
• Lisa Ann Holz, LMP
• Mercedes Amelia Holzinger, LMP
• Denis J Hom, M.D.
• Anthony Wayne Homan, O.D.
• Tina Homan
• Joseph Homavand
• Home Instead Senior Care

• Registered Nurse in Seattle, WA
• Providers in Seattle, WA by specialty
• Registered Nurse in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.