Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Elvia Leon
Interpreter in Evanston, IL · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578737813
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Registry record
Entity type Individual (Type 1)
Name Elvia Leon
Sex Female
Practice address 1321 Dodge Ave, Evanston, IL, 60201
Phone (847) 337-5538
Enumeration date Apr 17, 2008
Last updated in NPPES Apr 17, 2008
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
Where does Elvia Leon practice?
The practice location on file with NPPES is in Evanston, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Elvia Leon?
The National Provider Identifier (NPI) for Elvia Leon is 1578737813, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-04-17.