Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Aaron Michael Bacalia, PA-C

Physician Assistant in Kalamazoo, MI · enumerated 2006.

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

National Provider Identifier

1790876894

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Registry record

Entity type Individual (Type 1)

Name Mr. Aaron Michael Bacalia

Credential PA-C

Sex Male

Practice address 6210 W Main St, Kalamazoo, MI, 49009

Phone (269) 286-7030

Enumeration date Sep 27, 2006

Last updated in NPPES Mar 22, 2023

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5601004843 (MI) Primary

Other identifiers

Identifier	Type	State	Issuer
5601004843	Other	MI	PERMANENT ID NUMBER

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 Bacalia?

The National Provider Identifier (NPI) for Aaron Bacalia is 1790876894, a Type 1 (individual) record in the CMS NPPES registry.

Where does Aaron Bacalia practice?

The practice location on file with NPPES is in Kalamazoo, 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 2023-03-22.