MS. REBECCA WILLIAMS MSW
NPI 1447625728
Social Worker - Clinical in Silverdale, WA

Active since December 11, 2015PECOS EnrolledAccepts Medicare Assignment
3888 NW RANDALL WAY STE 201, SILVERDALE, WA 98383(360) 698-5883(360) 809-6002 Get Directions Write a Review

NPPES record last updated: November 29, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 6, 2023, Dec 11, 2015 (2 updates tracked since 2015).

About Ms. Rebecca Williams Msw NPPES

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

MS. REBECCA WILLIAMS MSW (NPI 1447625728) is an individual clinical provider in Silverdale, Washington, licensed in Washington (LW61213863) and active in the NPI registry since December 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1447625728
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. REBECCA WILLIAMSCredential: MSW
Location Address3888 NW RANDALL WAY STE 201Silverdale, WA 98383-7847
Mailing Address3888 Nw Randall Way Ste 201Silverdale, WA 98383-7847 · (360) 698-5883 · Fax (360) 809-6002
Fax(360) 809-6002
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateDecember 11, 2015
Last NPPES UpdateNovember 29, 20242 updates tracked since enumeration
NPPES CertifiedNovember 29, 2024
✔ NPI 1447625728 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 · LW61213863
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.
3888 NW RANDALL WAY STE 201, Silverdale, WA 98383

Other Identifiers 1

Medicaid2228875WA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Rebecca Williams Msw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6901255447
PECOS Enrollment IDI20231211000155
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.

Medicare Billing Reassignment

Medicare enrollment records show Rebecca Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health
3888 NW RANDALL WAY STE 201
Silverdale, WA 98383
  • Reassigned Medicare billing, Washington enrollment
  • 12 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98383 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 $57.27 – $172.80
Typical copayment $0.00 (range $14.31 – $43.20)
Most-billed visit code NA
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
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.

Counselor (Mental Health)
3888 NW RANDALL WAY STE 201
SILVERDALE, WA 98383
Social Worker (Clinical)
3888 NW RANDALL WAY STE 201
SILVERDALE, WA 98383
Social Worker (Clinical)
3888 NW RANDALL WAY STE 201
SILVERDALE, WA 98383
Counselor (Mental Health)
3888 NW RANDALL WAY STE 201
SILVERDALE, WA 98383
Counselor (Addiction (Substance Use Disorder))
3888 NW RANDALL WAY STE 201
SILVERDALE, WA 98383
Counselor (Mental Health)
3888 NW RANDALL WAY STE 201
SILVERDALE, WA 98383
Counselor (Mental Health)
3888 NW RANDALL WAY STE 201
SILVERDALE, WA 98383
Counselor (Mental Health)
3888 NW RANDALL WAY STE 201
SILVERDALE, WA 98383

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 Rebecca Williams's NPI number?

The NPI number for Rebecca Williams is 1447625728. It was assigned to this individual provider in the NPPES registry on December 11, 2015.

Where is Rebecca Williams located?

Rebecca Williams practices at 3888 NW Randall Way Ste 201, Silverdale, WA 98383. The listed phone number is (360) 698-5883.

What is Rebecca Williams's specialty?

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

Is Rebecca Williams enrolled in Medicare?

Yes. Rebecca Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Rebecca Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Williams reassigns Medicare benefits to Mcs Counseling Group LLC (Silverdale, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rebecca Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Rebecca Williams was last updated on November 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.