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Mrs. Rosalie C Mackay, COTA

Community Health Worker in Milwaukee,, WI · enumerated 2007.

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

National Provider Identifier

1821277310

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Registry record

Entity type Individual (Type 1)
Name Mrs. Rosalie C Mackay
Credential COTA
Sex Female
Practice address 111 W Michigan St, Prostep/Extendicare Health Services, Milwaukee,, WI, 53203
Phone (570) 724-5270
Fax (570) 724-5276
Enumeration date Oct 31, 2007
Last updated in NPPES Oct 31, 2007

Taxonomy & licenses

172V00000X Community Health Worker Other Service Providers · License OP006475 (PA) 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.

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Frequently asked questions

How do I verify Rosalie Mackay's NPI record?
Cross-check NPI 1821277310 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1821277310 active?
Yes, as of the latest NPPES snapshot, NPI 1821277310 is active (record last updated 2007-10-31).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-31.