Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Allison Rose Matuszewski
Speech-Language Pathologist in Waukegan, IL · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1285285189
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Registry record
Taxonomy & licenses
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.
Frequently asked questions
Where does Allison Matuszewski practice?
What is the NPI number for Allison Matuszewski?
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-13.