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Jaybird and Oak

Clinical Psychologist in Grand Rapids, MI · enumerated 2025 · authorized official Allison Ilem, Owner, Clinical Gerosychologist.

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

National Provider Identifier

1821951120

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Registry record

Entity type Organization (Type 2)
Legal business name Jaybird and Oak
Practice address 4467 Cascade Rd Se Ste 4469, Grand Rapids, MI, 49546
Enumeration date Dec 4, 2025
Last updated in NPPES Jan 8, 2026

Taxonomy & classification

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers Primary

Authorized official

Name Allison Ilem
Title Owner, Clinical Gerosychologist

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.

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Frequently asked questions

What is the NPI number for Jaybird and Oak?
The NPI for Jaybird and Oak is 1821951120, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Jaybird and Oak?
NPPES lists Allison Ilem (Owner, Clinical Gerosychologist) as the authorized official for this organization.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-08.