Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Jill Eileen Zakon Leonard
Social Worker in Wilmette, IL · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1093584708
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Registry record
Entity type Individual (Type 1)
Name Jill Eileen Zakon Leonard
Sex Female
Practice address 825 Green Bay Rd Ste 200, Wilmette, IL, 60091
Phone (847) 251-6630
Enumeration date Dec 21, 2023
Last updated in NPPES Dec 21, 2023
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 150.106618 (IL) 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.
Frequently asked questions
What is the NPI number for Jill Zakon Leonard?
The National Provider Identifier (NPI) for Jill Zakon Leonard is 1093584708, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jill Zakon Leonard practice?
The practice location on file with NPPES is in Wilmette, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Catherine Melka Clinical Social Worker · Wilmette, IL NPI 1437478658 Shalu Thakral Clinical Social Worker · Wilmette, IL NPI 1992293872 Jimena Escurra Professional Counselor · Wilmette, IL NPI 1326502154 Jeanne Kelso Professional Counselor · Wilmette, IL NPI 1457902611 Lauren Spehr Social Worker · Wilmette, IL NPI 1508406661 Marguerite Mccurry Social Worker · Wilmette, IL NPI 1457981128
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-21.