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Mr. Michael John Duthler, LLBSW

Clinical Social Worker in Muskegon, MI · enumerated 2022.

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

National Provider Identifier

1295461168

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Registry record

Entity type Individual (Type 1)
Name Mr. Michael John Duthler
Credential LLBSW
Sex Male
Practice address 1190 E Apple Ave, Muskegon, MI, 49442
Phone (616) 957-5850
Fax (616) 597-5853
Enumeration date Jul 25, 2022
Last updated in NPPES Jul 25, 2022

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 6852093295 (MI) 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.

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Frequently asked questions

What is the NPI number for Michael Duthler?
The National Provider Identifier (NPI) for Michael Duthler is 1295461168, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michael Duthler practice?
The practice location on file with NPPES is in Muskegon, MI. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-25.