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

Jessica Williamson

Behavior Analyst in Bethlehem, PA · enumerated 2015.

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

National Provider Identifier

1578958195

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Registry record

Entity type Individual (Type 1)

Name Jessica Williamson

Sex Female

Practice address Bethlehem, PA, 18020

Phone (610) 739-1855

Enumeration date Mar 31, 2015

Last updated in NPPES Oct 26, 2020

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

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License BCBA 1-17-25073 (FL) 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

Where does Jessica Williamson practice?

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

What is the NPI number for Jessica Williamson?

The National Provider Identifier (NPI) for Jessica Williamson is 1578958195, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-26.