Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Letisha R Williams, LICSW
Clinical Social Worker in Waban, MA · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1952695066
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Registry record
Entity type Individual (Type 1)
Name Ms. Letisha R Williams
Credential LICSW
Sex Female
Practice address 52 Wyman St, #1, Waban, MA, 02468
Phone (617) 999-0985
Enumeration date Jun 6, 2011
Last updated in NPPES Sep 18, 2017
Taxonomy & licenses
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 120090 (MA) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Letisha Williams?
The National Provider Identifier (NPI) for Letisha Williams is 1952695066, a Type 1 (individual) record in the CMS NPPES registry.
Where does Letisha Williams practice?
The practice location on file with NPPES is in Waban, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-09-18.