Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alyson Harlan

Social Worker in Northbrook, IL · enumerated 2016.

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

National Provider Identifier

1669829255

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Alyson Harlan

Sex Female

Practice address 1135 Skokie Blvd, Northbrook, IL, 60062

Phone (773) 960-0574

Enumeration date May 24, 2016

Last updated in NPPES Nov 24, 2025

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 150.118272 (IL) 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

Where does Alyson Harlan practice?

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

What is the NPI number for Alyson Harlan?

The National Provider Identifier (NPI) for Alyson Harlan is 1669829255, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-24.