Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Adam C Donnellon, PA-C

Physician Assistant in Chelsea, MI · enumerated 2019.

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

National Provider Identifier

1952946972

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Registry record

Entity type Individual (Type 1)

Name Adam C Donnellon

Credential PA-C

Sex Male

Practice address 775 S Main St, Chelsea, MI, 48118

Phone (734) 593-6000

Enumeration date Nov 13, 2019

Last updated in NPPES Dec 18, 2025

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5601009581 (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 Adam Donnellon?

The National Provider Identifier (NPI) for Adam Donnellon is 1952946972, a Type 1 (individual) record in the CMS NPPES registry.

Where does Adam Donnellon practice?

The practice location on file with NPPES is in Chelsea, 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 2025-12-18.