ALEXIS J MATTY ARNP
NPI 1104695659
Nurse Practitioner - Psychiatric/Mental Health in Seattle, WA

Q: What is Alexis Matty's NPI number?

The NPI number for Alexis Matty is 1104695659. It was assigned to this individual provider in the NPPES registry on December 26, 2023. The provider is also known as Alexis J Weimer.

Q: What is Alexis Matty's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: When was this NPI record last updated?

The NPPES record for Alexis Matty was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 26, 2023PECOS Enrolled

2600 SW HOLDEN ST, SEATTLE, WA 98126(206) 933-7117 Get Directions Write a Review

NPPES record last updated: September 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Alexis J Matty Arnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEXIS J MATTY ARNP (NPI 1104695659) is an individual psychiatric/mental health provider in Seattle, Washington, licensed in Washington (ARNP.AP.70043641-NP) and active in the NPI registry since December 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1104695659

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameALEXIS J MATTYCredential: ARNP

Location Address2600 SW HOLDEN STSeattle, WA 98126-3505

Mailing AddressPo Box 2265Vashon, WA 98070-2265 · (702) 906-9064

Phone(206) 933-7117

Sole ProprietorNo

Medical School CMSOtherGraduated 2025

Enumeration DateDecember 26, 2023

Last NPPES UpdateSeptember 10, 2025

NPPES CertifiedSeptember 10, 2025

✔ NPI 1104695659 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in WA · ARNP.AP.70043641-NP

Also ListedRegistered NurseTaxonomy 163W00000X · License RN61136510 (WA)

2600 SW HOLDEN ST, Seattle, WA 98126

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Other Names 1

Former Name (1)Alexis J Weimer

Other Identifiers 1

OtherARNP.AP.70043641-NPWA · Arnp

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexis J Matty Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4789161399

PECOS Enrollment IDI20260123003294

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98126 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$97.43 typical visit price

range $63.67 – $189.37

Typical copayment $24.35 (range $15.91 – $47.34)

Most-billed visit code 99203

Established Patient

$111.00 typical visit price

range $21.12 – $155.00

Typical copayment $27.75 (range $5.28 – $38.75)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRISTINA IRENE CHANDLER M.ED

Counselor