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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Idelmis A Diaz

Case Manager/Care Coordinator in Yonkers, NY · enumerated 2012.

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

National Provider Identifier

1659624963

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Registry record

Entity type Individual (Type 1)
Name Ms. Idelmis A Diaz
Sex Female
Practice address 1 Executive Blvd, Yonkers, NY, 10701
Phone (914) 377-1858
Fax (914) 376-9859
Enumeration date Oct 24, 2012
Last updated in NPPES Oct 24, 2012

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers 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

Where does Idelmis Diaz practice?
The practice location on file with NPPES is in Yonkers, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Idelmis Diaz?
The National Provider Identifier (NPI) for Idelmis Diaz is 1659624963, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-10-24.