YAA-SERWA WILLIAMS LICSW, LISW-CP
NPI 1285804054
Social Worker - Clinical in Boise, ID

Q: What is Yaa-serwa Williams's NPI number?

The NPI number for Yaa-serwa Williams is 1285804054. It was assigned to this individual provider in the NPPES registry on March 7, 2008.

Q: What is Yaa-serwa Williams's specialty?

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

Active since March 07, 2008PECOS Enrolled

444 W FORT ST FL 2, BOISE, ID 83702(208) 422-1018 Get Directions Write a Review

NPPES record last updated: August 30, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 30, 2023, Mar 22, 2017 (2 updates tracked since 2017).

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About Yaa-serwa Williams Licsw, Lisw-cp NPPES

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

YAA-SERWA WILLIAMS LICSW, LISW-CP (NPI 1285804054) is an individual clinical provider in Boise, Idaho, licensed in South Carolina (9485) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1285804054

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameYAA-SERWA WILLIAMSCredential: LICSW, LISW-CP

Location Address444 W FORT ST FL 2Boise, ID 83702-4535

Mailing Address444 W Fort St Fl 2Boise, ID 83702-4535 · (208) 422-1018

Phone(208) 422-1018

Sole ProprietorNo

Medical School CMSOtherGraduated 2005

Enumeration DateMarch 7, 2008

Last NPPES UpdateAugust 30, 20232 updates tracked since enumeration

NPPES CertifiedMarch 22, 2022

✔ NPI 1285804054 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code1041C0700X

Licenses✔ Licensed in SC · 9485✔ Licensed in MA · 122183

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.

Also ListedCounselor · Mental HealthTaxonomy 101YM0800X

444 W FORT ST FL 2, Boise, ID 83702

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Yaa-serwa Williams Licsw, Lisw-cp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6709233430

PECOS Enrollment IDI20260619000522

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 Yaa-serwa Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Optum Behavioral Care Of North Carolina, P.C.

1,993 mi

Clinical

1122 LADY ST OFC 240
Columbia, SC 29201

Reassigned Medicare billing, South Carolina enrollment
Medicare enrollment name: Optum Behavioral Care Of North Carolina PC
6 clinicians in this Medicare group

NPI 1295614147 (877) 622-0013

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 83702 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 $52.44 – $160.17

Typical copayment $0.00 (range $13.11 – $40.04)

Most-billed visit code NA

Established Patient

$65.77 typical visit price

range $16.68 – $130.93

Typical copayment $16.44 (range $4.17 – $32.73)

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. PAULA K BARRETT PSYD, LCSW

Psychologist (Clinical)