Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Anna Lou Dassinger

Behavior Technician in Oak Park, IL · enumerated 2023.

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

National Provider Identifier

1043994601

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Registry record

Entity type Individual (Type 1)

Name Anna Lou Dassinger

Sex Female

Practice address 6930 Roosevelt Rd, Oak Park, IL, 60304

Phone (708) 358-3000

Enumeration date Jun 14, 2023

Last updated in NPPES Jun 14, 2023

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

Is NPI 1043994601 active?

Yes, as of the latest NPPES snapshot, NPI 1043994601 is active (record last updated 2023-06-14).

How do I verify Anna Dassinger's NPI record?

Cross-check NPI 1043994601 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-14.