NPPES file of Aug 9, 2026

Haley Martin Cahill Williams, RN

Psychiatric/Mental Health Registered Nurse · Providence, RI

Haley Martin Cahill Williams, RN is a psychiatric/mental health registered nurse with a practice address in Providence, Rhode Island, and NPI 1902792922, issued on Jun 16, 2025. Check the license (Rhode Island RN50552, as entered in NPPES) with the Rhode Island board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902792922
Name
Haley Martin Cahill Williams
Credential
RN
Primary taxonomy
Psychiatric/Mental Health Registered Nurse 163WP0808X
License number
RN50552 RI
Self-reported in NPPES; status is on the state search
Practice location
55 Hope Street, Providence, RI 02906
Phone
(401) 331-1350
Enumerated
Jun 16, 2025
Record last updated
Mar 11, 2026
Fax
(401) 277-3385
Medicare enrollment
Enrolled (PECOS I20250724000350); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 55 Hope Street

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alisha Laguerre, LICSWClinical Social Worker1275816498

Verify Haley Martin Cahill Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Rhode Island board licenses this profession
    Search for license RN50552
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Rhode Island license search

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Psychiatric/Mental Health Registered Nurse providers in Rhode Island

There are 92 psychiatric/mental health registered nurse records in Rhode Island. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other psychiatric/mental health registered nurse records in Rhode Island

  1. Julie Anderson, RNMiddletown, RI1437490547
  2. Judith Ashworth, PCNSWarwick, RI1669417077
  3. Meghan Barry, RNMiddletown, RI1336953272
  4. Stephanie Bartolomucci, R.N.Middletown, RI1902912777
  5. Janice Bernstein, REGISTERED NURSEMiddletown, RI1043836521
  6. Crystal Bettencourt, RNMiddletown, RI1730516097
  7. Robin BlakeMiddletown, RI1497160055
  8. Marilyn Brookins, RNPawtucket, RI1205718855
  9. Lisa Buono, RNBarrington, RI1801876867
  10. Karen Cadwalader, APRN, CNSNewport, RI1295765899

Common questions

What is Haley Martin Cahill Williams, RN's NPI number?

Haley Martin Cahill Williams, RN's National Provider Identifier (NPI) is 1902792922, issued on Jun 16, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Haley Martin Cahill Williams, RN located?

The NPPES record lists a practice address at 55 Hope Street, Providence, RI, 02906. Phone: (401) 331-1350. Providers update this record themselves, so call before visiting.

How can I verify Haley Martin Cahill Williams, RN's license?

NPPES lists Rhode Island license number RN50552, as entered by the provider. Search the Rhode Island board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.