Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Ivonne Diaz De Leon
Behavior Technician in Frisco, TX · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1194449454
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Registry record
Entity type Individual (Type 1)
Name Mrs. Ivonne Diaz De Leon
Sex Female
Practice address 2831 Eldorado Pkwy, Frisco, TX, 75033
Phone (214) 550-7011
Enumeration date Sep 30, 2022
Last updated in NPPES Sep 30, 2022
Taxonomy & licenses
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.
Frequently asked questions
How do I verify Ivonne Diaz De Leon's NPI record?
Cross-check NPI 1194449454 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1194449454 active?
Yes, as of the latest NPPES snapshot, NPI 1194449454 is active (record last updated 2022-09-30).
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-30.