Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Catherine Danielle Mackey

Registered Nurse in Ypsilanti, MI · enumerated 2022.

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

National Provider Identifier

1316663206

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Registry record

Entity type Individual (Type 1)

Name Catherine Danielle Mackey

Sex Female

Practice address 555 Towner St, Ypsilanti, MI, 48198

Phone (734) 544-3000

Enumeration date Oct 13, 2022

Last updated in NPPES Nov 17, 2022

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 4704354874 (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 specialty is Catherine Mackey?

Catherine Mackey is registered in NPPES with the primary taxonomy of Registered Nurse. 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 2022-11-17.