Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Corey Pietrowski, RBT

Behavior Technician in Merrillville, IN · enumerated 2021.

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

National Provider Identifier

1528737798

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Registry record

Entity type Individual (Type 1)

Name Corey Pietrowski

Credential RBT

Sex Female

Practice address 8401 Ohio, Merrillville, IN, 46410

Phone (219) 525-4572

Enumeration date Sep 10, 2021

Last updated in NPPES Jun 10, 2025

Taxonomy & licenses

106S00000X Behavior Technician Behavioral Health & Social Service Providers · License RBT-21-183089 (IN) 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

What is the NPI number for Corey Pietrowski?

The National Provider Identifier (NPI) for Corey Pietrowski is 1528737798, a Type 1 (individual) record in the CMS NPPES registry.

Where does Corey Pietrowski practice?

The practice location on file with NPPES is in Merrillville, IN. 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 2025-06-10.