Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Michael Lawrence Brennan, PA-C

Physician Assistant in Canton, MI · enumerated 2016.

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

National Provider Identifier

1629436407

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Registry record

Entity type Individual (Type 1)

Name Mr. Michael Lawrence Brennan

Credential PA-C

Sex Male

Practice address 6200 N Haggerty Rd, Canton, MI, 48187

Phone (734) 526-8860

Enumeration date Feb 8, 2016

Last updated in NPPES May 17, 2017

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5601007666 (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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Michael Brennan?

Michael Brennan is registered in NPPES with the primary taxonomy of Physician Assistant. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-05-17.