Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Aaron Michael Cromar, LMSW

Q: What is the NPI number for Aaron Cromar?

The National Provider Identifier (NPI) for Aaron Cromar is 1477990588, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Social Worker in Mt Pleasant, MI · enumerated 2013.

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

National Provider Identifier

1477990588

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Registry record

Entity type Individual (Type 1)

Name Mr. Aaron Michael Cromar

Credential LMSW

Sex Male

Practice address 301 S Crapo St, Mt Pleasant, MI, 48858

Phone (989) 944-4362

Enumeration date May 30, 2013

Last updated in NPPES May 30, 2013

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 6801091223 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Aaron Cromar?

The National Provider Identifier (NPI) for Aaron Cromar is 1477990588, a Type 1 (individual) record in the CMS NPPES registry.

Where does Aaron Cromar practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-05-30.