1. Home
  2. Directory
  3. Rhode Island
  4. Providence
  5. Psychiatry Neurology
  6. NPI Profile

CLAIRE WILLIAMS M.D.
NPI 1144608795
Psychiatry & Neurology - Child & Adolescent Psychiatry in Providence, RI

Active since May 15, 2015PECOS Enrolled
55 HOPE ST, PROVIDENCE, RI 02906(401) 331-1350(401) 337-8306 Get Directions Write a Review

NPPES record last updated: July 31, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 26, 2025, Jul 30, 2020 (2 updates tracked since 2020).

About Claire Williams M.d. NPPES

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

CLAIRE WILLIAMS M.D. (NPI 1144608795) is an individual child & adolescent psychiatry provider in Providence, Rhode Island, licensed in Rhode Island (MD17122) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144608795
Entity TypeIndividualFemale
Primary Taxonomy2084P0804X
Provider Legal NameCLAIRE WILLIAMSCredential: M.D.
Location Address55 HOPE STProvidence, RI 02906-2001
Mailing Address55 Hope StProvidence, RI 02906-2001 · (401) 331-1350 · Fax (401) 277-3385
Phone(401) 331-1350
Fax(401) 337-8306
Sole ProprietorNo
Enumeration DateMay 15, 2015
Last NPPES UpdateJuly 31, 20252 updates tracked since enumeration
NPPES CertifiedJuly 31, 2025
✔ NPI 1144608795 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in RI · MD17122
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPediatricsTaxonomy 208000000X · License MD17122 (RI)
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License MD17122 (RI)
55 HOPE ST, Providence, RI 02906
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Claire Williams M.d. 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 Claire Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Service Of Rhode Island, Inc.
Same address
Adult Mental Health
55 HOPE ST
Providence, RI 02906
  • Reassigned Medicare billing, Rhode Island enrollment
  • 73 clinicians in this Medicare group
NPI 1598833535 (401) 331-1350
Thundermist Health Center
9.6 mi
Federally Qualified Health Center (FQHC)
186 PROVIDENCE ST
West Warwick, RI 02893
  • Reassigned Medicare billing, Rhode Island enrollment
  • 288 clinicians in this Medicare group
NPI 1376708560 (401) 615-2800

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

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.

MS. CAROLANNE GEFFROY LICSW
Social Worker (Clinical)
55 HOPE ST
PROVIDENCE, RI 02906
Providence County (401) 331-1350
KRISTEN DUDLEY LCSW
Social Worker (Clinical)
55 HOPE ST
PROVIDENCE, RI 02906
Providence County (401) 416-0794
MEGHAN BELISLE LCSW
Social Worker (Clinical)
55 HOPE ST
PROVIDENCE, RI 02906
Providence County (401) 331-1350
MILDRED BATES LICSW
Social Worker (Clinical)
55 HOPE ST, FAMILY SERVICE OF RHODE ISLAND
PROVIDENCE, RI 02906
Providence County (401) 331-1350
MRS. MIRIAM MURPHY LCSW
Social Worker
55 HOPE ST
PROVIDENCE, RI 02906
Providence County (401) 331-1350
MRS. NICOLE ORTIZ LCSW
Social Worker (Clinical)
55 HOPE ST
PROVIDENCE, RI 02906
Providence County (401) 331-1350
KRISTEN GARVIN LMHC
Social Worker (Clinical)
55 HOPE ST
PROVIDENCE, RI 02906
Providence County (401) 331-1350
FAMILY SERVICE OF RHODE ISLAND, INC.
Social Worker (Clinical)
55 HOPE ST
PROVIDENCE, RI 02906
Providence County (401) 277-3362

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 Claire Williams's NPI number?

The NPI number for Claire Williams is 1144608795. It was assigned to this individual provider in the NPPES registry on May 15, 2015.

Where is Claire Williams located?

Claire Williams practices at 55 Hope St, Providence, RI 02906. The listed phone number is (401) 331-1350.

What is Claire Williams's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Claire Williams enrolled in Medicare?

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

Which organizations bill Medicare for Claire Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Claire Williams reassigns Medicare benefits to 2 organizations: Family Service Of Rhode Island, Inc. (Providence, RI) and Thundermist Health Center (West Warwick, 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 Claire 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 Claire Williams was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.