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

Mrs. Jessica James Williams, PMHNP

Psychiatric/Mental Health Nurse Practitioner in Blackwood, NJ · enumerated 2025.

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

National Provider Identifier

1598565079

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Registry record

Entity type Individual (Type 1)

Name Mrs. Jessica James Williams

Credential PMHNP

Sex Female

Practice address Blackwood, NJ, 08012

Phone (775) 315-1999

Enumeration date Mar 14, 2025

Last updated in NPPES Mar 14, 2025

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

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 26NJ15296600 (NJ) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1598565079 active?

Yes, as of the latest NPPES snapshot, NPI 1598565079 is active (record last updated 2025-03-14).

How do I verify Jessica Williams's NPI record?

Cross-check NPI 1598565079 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-14.