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DINAH L. WILLIAMS LICSW
NPI 1275148934
Social Worker - Clinical in Warwick, RI

Active since September 10, 2020PECOS Enrolled
200 WASHINGTON ST, WARWICK, RI 02888(860) 391-1311 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 23, 2026, Jan 16, 2026, Jan 9, 2025 and 1 more (4 updates tracked since 2020).

About Dinah L. Williams Licsw NPPES

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

DINAH L. WILLIAMS LICSW (NPI 1275148934) is an individual clinical provider in Warwick, Rhode Island, licensed in Rhode Island (ISW03084) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1275148934
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameDINAH L. WILLIAMSCredential: LICSW
Location Address200 WASHINGTON STWarwick, RI 02888-2725
Mailing Address455 Toll Gate Rd, Prc And CredentialingWarwick, RI 02886-2759 · (401) 273-0641 · Fax (401) 273-2919
Phone(860) 391-1311
Sole ProprietorNo
Enumeration DateSeptember 10, 2020
Last NPPES UpdateJuly 23, 20264 updates tracked since enumeration
NPPES CertifiedJuly 23, 2026
✔ NPI 1275148934 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 RI · ISW03084
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.
200 WASHINGTON ST, Warwick, RI 02888
Open in Google Maps ↗

Secondary Practice Locations 5

Location 12 Dudley St Ste 580Providence, RI 02905-3244 · Phone (401) 274-1122 · Fax (401) 453-7684
Location 2239 Cranston StProvidence, RI 02907-2406 · Phone (401) 444-0580 · Fax (401) 444-0428
Location 3101 Plain St Fl 6Providence, RI 02903-4829 · Phone (401) 274-1122 · Fax (401) 453-7622
Location 4148 W River StProvidence, RI 02904-2615 · Phone (401) 606-3000
Location 5118 Dudley StProvidence, RI 02905-2403 · Phone (401) 430-8380

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dinah L. 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Dinah Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Providence Community Health Centers, Inc
3.2 mi
Federally Qualified Health Center (FQHC)
375 ALLENS AVE
Providence, RI 02905
  • Reassigned Medicare billing, Rhode Island enrollment
  • 112 clinicians in this Medicare group
NPI 1053313593 (401) 444-0400
Affinity Physicians LLC
3.8 mi
Anesthesiology
101 DUDLEY STREET, WIH DEPT OF ANESTHESIOLOGY
Providence, RI 02905
  • Reassigned Medicare billing, Rhode Island enrollment
  • 984 clinicians in this Medicare group
NPI 1053038471 (401) 274-1122

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 02888 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 $58.57 – $177.03
Typical copayment $0.00 (range $14.64 – $44.25)
Most-billed visit code NA
Established Patient
$72.93 typical visit price
range $18.92 – $144.38
Typical copayment $18.23 (range $4.73 – $36.09)
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.

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 Dinah Williams's NPI number?

The NPI number for Dinah Williams is 1275148934. It was assigned to this individual provider in the NPPES registry on September 10, 2020.

Where is Dinah Williams located?

Dinah Williams practices at 200 Washington St, Warwick, RI 02888. The listed phone number is (860) 391-1311.

What is Dinah Williams's specialty?

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

Is Dinah Williams enrolled in Medicare?

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

Which organizations bill Medicare for Dinah Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dinah Williams reassigns Medicare benefits to 2 organizations: The Providence Community Health Centers, Inc (Providence, RI) and Affinity Physicians LLC (Providence, RI). Each 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 Dinah Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dinah Williams accept?

Health plans from Harvard Pilgrim Health Care list Dinah Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Dinah Williams was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.