Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Grace Nancy Chialdikas

Behavior Technician in Lemont, IL · enumerated 2021.

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

National Provider Identifier

1013509264

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Registry record

Entity type Individual (Type 1)

Name Grace Nancy Chialdikas

Sex Female

Practice address 11 Melshane Ct, Lemont, IL, 60439

Phone (630) 450-6134

Enumeration date Feb 9, 2021

Last updated in NPPES Feb 9, 2021

Taxonomy & licenses

106S00000X Behavior Technician 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Grace Chialdikas?

The National Provider Identifier (NPI) for Grace Chialdikas is 1013509264, a Type 1 (individual) record in the CMS NPPES registry.

Where does Grace Chialdikas practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-09.