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MS. ALIX NICOLE WILLIAMS LICSW
NPI 1124507991
Social Worker - Clinical in Seattle, WA

Active since August 12, 2018PECOS Enrolled
125 16TH AVE E, SEATTLE, WA 98112(206) 326-3000 Get Directions Write a Review

NPPES record last updated: June 22, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 22, 2021, Aug 12, 2018 (2 updates tracked since 2018).

About Ms. Alix Nicole Williams Licsw NPPES

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

MS. ALIX NICOLE WILLIAMS LICSW (NPI 1124507991) is an individual clinical provider in Seattle, Washington, licensed in Washington (LW60710028) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1124507991
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. ALIX NICOLE WILLIAMSCredential: LICSW
Location Address125 16TH AVE ESeattle, WA 98112-5211
Mailing Address2457 Queen Anne Ave NSeattle, WA 98109-2021
Phone(206) 326-3000
Sole ProprietorYes
Enumeration DateAugust 12, 2018
Last NPPES UpdateJune 22, 20212 updates tracked since enumeration
NPPES CertifiedJune 22, 2021
✔ NPI 1124507991 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in WA · LW60710028
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
125 16TH AVE E, Seattle, WA 98112
Open in Google Maps ↗

Secondary Practice Locations 2

Location 12457 Queen Anne Ave NSeattle, WA 98109-2021 · Phone (206) 437-3617
Location 21035 116th Ave NEBellevue, WA 98004-4604 · Phone (425) 688-5000

Other Identifiers 1

OtherLW60710028WA · Licsw

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Alix Nicole Williams Licsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 98112 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
$0.00 typical visit price
range $63.67 – $189.37
Typical copayment $0.00 (range $15.91 – $47.34)
Most-billed visit code NA
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
Most-billed visit code 99213
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.

DR. GLORIA A. ARAND MD
Pediatrics
125 16TH AVE E
SEATTLE, WA 98112
King County (206) 326-3530
ANDREW DEAN FELD MD
Internal Medicine (Gastroenterology)
125 16TH AVE E
SEATTLE, WA 98112
King County (206) 326-3000
MS. LAURA ANTRIM CASKEY RDN
Dietitian, Registered
125 16TH AVE E
SEATTLE, WA 98112
King County (206) 326-3000
ROBIN ERNEST KRAUSE M.D.
Internal Medicine
125 16TH AVE E
SEATTLE, WA 98112
King County (206) 326-3000
LEE-CHING ZHU MD
Pathology (Cytopathology)
125 16TH AVE E
SEATTLE, WA 98112
King County (206) 326-3000
ALAN L. FINE M.D.
Internal Medicine
125 16TH AVE E, CSB-4
SEATTLE, WA 98112
King County (206) 326-3530
MRS. ERIN CRYSTAL MCKINLEY WILEY CF-SLP
Speech-Language Pathologist
125 16TH AVE E
SEATTLE, WA 98112
King County (206) 326-3485
CHRISTINE FLOGEL M.D.
Internal Medicine (Nephrology)
125 16TH AVE E
SEATTLE, WA 98112
King County (206) 326-3000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alix Williams's NPI number?

The NPI number for Alix Williams is 1124507991. It was assigned to this individual provider in the NPPES registry on August 12, 2018.

Where is Alix Williams located?

Alix Williams practices at 125 16th Ave E, Seattle, WA 98112. The listed phone number is (206) 326-3000.

What is Alix Williams's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Alix Williams enrolled in Medicare?

Yes. Alix Williams is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alix Williams was last updated on June 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.