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Alpha Psychological Services of Western Michigan

Mental Health Clinic/Center (Including Community Mental Health Center) in Muskegon, MI · enumerated 2011 · authorized official Allan Crummett, Licensed Psychologist.

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

National Provider Identifier

1811291990

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Registry record

Entity type Organization (Type 2)
Legal business name Alpha Psychological Services of Western Michigan
Practice address 1804 Oak Ave, Muskegon, MI, 49442
Fax (231) 773-8952
Enumeration date Jan 4, 2011
Last updated in NPPES Mar 25, 2011

Taxonomy & classification

261QM0801X Mental Health Clinic/Center (Including Community Mental Health Center) Ambulatory Health Care Facilities · License 6301006533 (MI) Primary

Authorized official

Name Allan Crummett
Title Licensed Psychologist

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 Alpha Psychological Services of Western Michigan?
The NPI for Alpha Psychological Services of Western Michigan is 1811291990, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Alpha Psychological Services of Western Michigan?
NPPES lists Allan Crummett (Licensed Psychologist) as the authorized official for this organization.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-03-25.