Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Colleen Elizabeth Ahern

Certified Registered Nurse Anesthetist in Royal Oak, MI · enumerated 2022.

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

National Provider Identifier

1942936984

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Registry record

Entity type Individual (Type 1)

Name Colleen Elizabeth Ahern

Sex Female

Practice address Royal Oak, MI, 48073

Phone (248) 763-4627

Enumeration date Jul 30, 2022

Last updated in NPPES Apr 26, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 4704307063 (MI) Secondary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 4704307063 (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 Colleen Ahern?

The National Provider Identifier (NPI) for Colleen Ahern is 1942936984, a Type 1 (individual) record in the CMS NPPES registry.

Where does Colleen Ahern practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-04-26.