Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Abigail Haloftis, B.S.

Behavior Technician in O Fallon, IL · enumerated 2020 · practices at Acorn Health of Illinois, LLC.

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

National Provider Identifier

1871110163

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Registry record

Entity type Individual (Type 1)

Name Abigail Haloftis

Credential B.S.

Sex Female

Practice address 6 Eagle Ctr Ste 1, O Fallon, IL, 62269

Phone (618) 206-8816

Enumeration date Jul 2, 2020

Last updated in NPPES Aug 18, 2020

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 1871110163 active?

Yes, as of the latest NPPES snapshot, NPI 1871110163 is active (record last updated 2020-08-18).

How do I verify Abigail Haloftis's NPI record?

Cross-check NPI 1871110163 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 2020-08-18.