Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Darcy J Guyton-Hanna, RDH

Dental Hygienist in Ann Arbor, MI · enumerated 2008.

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

National Provider Identifier

1144496373

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Registry record

Entity type Individual (Type 1)

Name Darcy J Guyton-Hanna

Credential RDH

Sex Female

Practice address 2215 Fuller Rd, Ann Arbor, MI, 48105

Phone (734) 845-3411

Enumeration date May 7, 2008

Last updated in NPPES May 7, 2008

Taxonomy & licenses

124Q00000X Dental Hygienist Dental Providers · License 2902005139 (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

Is NPI 1144496373 active?

Yes, as of the latest NPPES snapshot, NPI 1144496373 is active (record last updated 2008-05-07).

How do I verify Darcy Guyton-Hanna's NPI record?

Cross-check NPI 1144496373 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-07.