Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Justin Grabowski

Physical Therapy Assistant in Gladstone, MI · enumerated 2022.

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

National Provider Identifier

1437880234

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Registry record

Entity type Individual (Type 1)

Name Justin Grabowski

Sex Male

Practice address 145 North 4th Ave Ne, Gladstone, MI, 49837

Phone (906) 428-5406

Enumeration date Jun 22, 2022

Last updated in NPPES Jun 22, 2022

Taxonomy & licenses

225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 5502004413 (MI) 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 Justin Grabowski?

The National Provider Identifier (NPI) for Justin Grabowski is 1437880234, a Type 1 (individual) record in the CMS NPPES registry.

Where does Justin Grabowski practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-22.