Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Matthew Stephen Vonderhaar, CAA

Anesthesiologist Assistant in Cincinnati, OH · enumerated 2017.

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

National Provider Identifier

1346765039

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Registry record

Entity type Individual (Type 1)

Name Mr. Matthew Stephen Vonderhaar

Credential CAA

Sex Male

Practice address 2139 Auburn Ave, Cincinnati, OH, 45219

Phone (513) 585-8242

Fax (513) 585-3245

Enumeration date Aug 3, 2017

Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

367H00000X Anesthesiologist Assistant Physician Assistants & Advanced Practice Nursing Providers · License 67.000309 (OH) Primary

Other identifiers

Identifier	Type	State	Issuer
67.000309	Other	OH	STATE MEDICAL BOARD OF OHIO

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

Where does Matthew Vonderhaar practice?

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

What is the NPI number for Matthew Vonderhaar?

The National Provider Identifier (NPI) for Matthew Vonderhaar is 1346765039, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.