Alexis J Matty, ARNP

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

ARNP.AP.70043641-NP Issued in WA

Practice address

2600 SW Holden St
Seattle, WA 98126-3505

Phone

(206) 933-7117

NPI assigned

Dec 26, 2023

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

Other names 1

• Alexis J Weimer Former name

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

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.

• Multicare Health System

  • Neurological Surgery Physician
  • Tacoma, WA
  • NPI 1497766638
  Medicare reassignment
• Multicare Health System

  • Clinical Medical Laboratory
  • Tacoma, WA
  • NPI 1154818326
  NPD
• Multicare Health System

  • Community/Retail Pharmacy
  • Spokane, WA
  • NPI 1396594875
  NPD

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

{
    "created_epoch": "1703548800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757462400000",
    "number": "1104695659",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 2265",
            "city": "VASHON",
            "state": "WA",
            "postal_code": "980702265",
            "telephone_number": "702-906-9064"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2600 SW HOLDEN ST",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981263505",
            "telephone_number": "206-933-7117"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATTY",
        "first_name": "ALEXIS",
        "middle_name": "J",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-12-26",
        "last_updated": "2025-09-10",
        "certification_date": "2025-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "WA",
            "license": "RN61136510",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "WA",
            "license": "ARNP.AP.70043641-NP",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ARNP",
            "identifier": "ARNP.AP.70043641-NP",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ALEXIS",
            "last_name": "WEIMER",
            "middle_name": "J",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Debra K Mattson
• Jacenna Mattson, MA
• Julia Tang Mattson, MD, PHD
• Misa Mattson
• Taunya Mary Margaret Mattson, L.AC.
• Gustavo Matute-Bello, MD
• Anne Kathleen Mauad, LMP
• Ladika Mauceri
• David C Mauchley, MD
• Jacquelyn Elise Mauer, LMP

• Psychiatric/Mental Health Nurse Practitioner in Seattle, WA
• Providers in Seattle, WA by specialty
• Psychiatric/Mental Health Nurse Practitioner in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 2025; 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.