NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Aaron Bruce Koonce, DO

Neurology Physician in Columbia, MO · enumerated 2006.

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

National Provider Identifier

1902844384

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Aaron Bruce Koonce
Credential DO
Sex Male
Practice address 402 N Keene St, Columbia, MO, 65201
Fax (573) 884-0070
Enumeration date Jun 4, 2006
Last updated in NPPES Jul 22, 2025

Taxonomy & licenses

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 2003024218 (MO) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
43527300 Medicaid WI -

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 Koonce?
The National Provider Identifier (NPI) for Aaron Koonce is 1902844384, a Type 1 (individual) record in the CMS NPPES registry.
Where does Aaron Koonce practice?
The practice location on file with NPPES is in Columbia, MO. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-22.