MS. MARILYN C WILLIAMSON
NPI 1164768032
Social Worker in Chelan, WA

Q: What is Marilyn Williamson's NPI number?

The NPI number for Marilyn Williamson is 1164768032. It was assigned to this individual provider in the NPPES registry on December 21, 2012.

Q: What is Marilyn Williamson's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Active since December 21, 2012PECOS Enrolled

503 E HIGHLAND AVE, CHELAN, WA 98816(509) 682-8517(509) 682-9614 Get Directions Write a Review

NPPES record last updated: December 21, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Ms. Marilyn C Williamson NPPES

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

MS. MARILYN C WILLIAMSON (NPI 1164768032) is an individual social worker in Chelan, Washington, licensed in Washington (LW00007692) and active in the NPI registry since December 2012. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164768032

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameMS. MARILYN C WILLIAMSON

Location Address503 E HIGHLAND AVEChelan, WA 98816-8631

Mailing Address503 E Highland AveChelan, WA 98816-8631 · (509) 682-8517 · Fax (509) 682-9614

Phone(509) 682-8517

Fax(509) 682-9614

Sole ProprietorNo

Enumeration DateDecember 21, 2012

✔ NPI 1164768032 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

License✔ Licensed in WA · LW00007692

Definition

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

503 E HIGHLAND AVE, Chelan, WA 98816

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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. Marilyn C Williamson 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.

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. CHRISTY CATHERINE NIELSEN PHARMD

Pharmacist

503 E HIGHLAND AVE, LAKE CHELAN COMMUNITY HOSPITAL
CHELAN, WA 98816

Chelan County (509) 726-6020

ANN DIAMOND MD

Family Medicine