Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Patti L Leonard, OD
Optometrist in Williamsville, NY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1184687840
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Registry record
Entity type Individual (Type 1)
Name Patti L Leonard
Credential OD
Sex Female
Practice address 5500 Main St Ste 102, Williamsville, NY, 14221
Phone (716) 833-2020
Fax (716) 833-3854
Enumeration date Apr 11, 2006
Last updated in NPPES Oct 16, 2020
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00025287602 | Other | NY | UNIVERA |
| 00885323 | Medicaid | NY | - |
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 Patti Leonard?
The National Provider Identifier (NPI) for Patti Leonard is 1184687840, a Type 1 (individual) record in the CMS NPPES registry.
Where does Patti Leonard practice?
The practice location on file with NPPES is in Williamsville, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Matthew Sendker Optometrist · Williamsville, NY NPI 1629031778 Anne Marie Downey Optometrist · Williamsville, NY NPI 1750344412 Joseph Gambacorta Optometrist · Williamsville, NY NPI 1730142498 Natasha Griffis Optometrist · Williamsville, NY NPI 1497032866 Eye Care Professionals of Western New York LLP Optometrist · Williamsville, NY NPI 1780235663 200 West Optics, LLC Optometrist · Williamsville, NY NPI 1841002987
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-16.