Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Judy E Williams, MSW, LICSW

Counselor in Washington, DC · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1952435315

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Registry record

Entity type Individual (Type 1)

Name Ms. Judy E Williams

Credential MSW, LICSW

Sex Female

Practice address 64 New York Ave Ne, 4 Th Floor, Washington, DC, 20002

Phone (202) 671-0389

Fax (202) 673-7502

Enumeration date Mar 15, 2007

Last updated in NPPES Apr 9, 2010

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers · License LG100126 (DC) Primary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LC50078873 (DC) Secondary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Judy Williams practice?

The practice location on file with NPPES is in Washington, DC. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Judy Williams?

The National Provider Identifier (NPI) for Judy Williams is 1952435315, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-04-09.