Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joanna Wilczewski

Behavior Analyst in Yonkers, NY · enumerated 2020.

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

National Provider Identifier

1154924306

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Registry record

Entity type Individual (Type 1)

Name Joanna Wilczewski

Sex Female

Practice address 1 Odell Plz, Yonkers, NY, 10701

Phone (914) 965-1152

Enumeration date Nov 19, 2020

Last updated in NPPES Nov 19, 2020

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers 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.

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Frequently asked questions

What is the NPI number for Joanna Wilczewski?

The National Provider Identifier (NPI) for Joanna Wilczewski is 1154924306, a Type 1 (individual) record in the CMS NPPES registry.

Where does Joanna Wilczewski practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-11-19.