Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Patricia Williams

Counselor in Oxon Hill, MD · enumerated 2014.

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

National Provider Identifier

1790181204

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Registry record

Entity type Individual (Type 1)

Name Patricia Williams

Sex Female

Practice address Oxon Hill, MD, 20745

Phone (301) 613-1205

Fax (301) 839-1511

Enumeration date Nov 11, 2014

Last updated in NPPES Dec 4, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers Secondary

101Y00000X Counselor Behavioral Health & Social Service Providers · License LGPC200012502 (DC) Primary

310400000X Assisted Living Facility Nursing & Custodial Care Facilities · License 16AL1087-A (MD) 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

What is the NPI number for Patricia Williams?

The National Provider Identifier (NPI) for Patricia Williams is 1790181204, a Type 1 (individual) record in the CMS NPPES registry.

Where does Patricia Williams practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-04.