Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

PRISCILLA WILLIAMS MSW, LCSW
NPI 1023639283
Social Worker - Clinical in Saint Peters, MO

Q: What is Priscilla Williams's NPI number?

The NPI number for Priscilla Williams is 1023639283. It was assigned to this individual provider in the NPPES registry on April 29, 2020.

Q: What is Priscilla Williams's specialty?

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

Active since April 29, 2020PECOS Enrolled

255 SPENCER RD STE 101, SAINT PETERS, MO 63376(636) 477-8290 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 2, 2025, Jun 10, 2020, May 26, 2020 (3 updates tracked since 2020).

On this page

About Priscilla Williams Msw, Lcsw NPPES

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

PRISCILLA WILLIAMS MSW, LCSW (NPI 1023639283) is an individual clinical provider in Saint Peters, Missouri, licensed in Missouri (2023013955) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023639283

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NamePRISCILLA WILLIAMSCredential: MSW, LCSW

Location Address255 SPENCER RD STE 101Saint Peters, MO 63376-2574

Mailing Address4800 N Scottsdale Rd Ste 2500Scottsdale, AZ 85251-7630

Phone(636) 477-8290

Sole ProprietorYes

Enumeration DateApril 29, 2020

Last NPPES UpdateJune 24, 20263 updates tracked since enumeration

NPPES CertifiedJune 24, 2026

✔ NPI 1023639283 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 MO · 2023013955

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.

255 SPENCER RD STE 101, Saint Peters, MO 63376

Open in Google Maps ↗

Other Identifiers 1

Medicaid830083102MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Providence Health Plan, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Priscilla Williams Msw, Lcsw 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 63376 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 $55.65 – $169.38

Typical copayment $0.00 (range $13.91 – $42.34)

Most-billed visit code NA

Established Patient

$69.50 typical visit price

range $17.76 – $137.92

Typical copayment $17.37 (range $4.44 – $34.48)

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 15

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

TRACI A CALLAHAN PLPC

Counselor (Professional)