Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

David John Ahonen, FNP-BC

Nurse Practitioner in Iron Mountain, MI · enumerated 2019 · practices at Iron Mountain Vamc.

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

National Provider Identifier

1447719794

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Registry record

Entity type Individual (Type 1)

Name David John Ahonen

Credential FNP-BC

Sex Male

Practice address 325 E H St, Iron Mountain, MI, 49801

Phone (906) 774-3300

Enumeration date Mar 17, 2019

Last updated in NPPES Dec 23, 2019

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704272410 (MI) Primary

Other identifiers

Identifier	Type	State	Issuer
4704272410	Other	MI	RN NURSE PRACTITIONER SPECIALTY CERTIFICATION

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 specialty is David Ahonen?

David Ahonen is registered in NPPES with the primary taxonomy of Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-12-23.