Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mrs. Haley Martin Cahill Williams, RN

Individual provider Psychiatric/Mental Health Registered Nurse · NPI 1902792922

Mrs. Haley Martin Cahill Williams, RN is an Undefined Non-Physician Type (Specify) in Providence, Rhode Island. Qualified in 2011, 15 years ago. Works from 2 locations. Licensed in Rhode Island.

Years since qualifying
15
Licensed in
RI
In the registry since
2025
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

55 Hope St
Providence, RI 02906
Phone: (401) 331-1350
Fax: (401) 277-3385
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 530 N Main St, Providence, RI 02904-5762 — (401) 274-2500

Specialties & licences

Psychiatric/Mental Health Registered Nurse (primary) Taxonomy 163WP0808X · Licence RN50552 (RI)

Record details

NPI number1902792922
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedJune 16, 2025
Last updated in NPPESMarch 11, 2026
Certification dateMarch 11, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyUNDEFINED NON-PHYSICIAN TYPE (SPECIFY)
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Providence