Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Leonard John Oshinskie, O.D.
Optometrist in Newington, CT · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124137195
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Registry record
Entity type Individual (Type 1)
Name Dr. Leonard John Oshinskie
Credential O.D.
Sex Male
Practice address 555 Willard Ave, Optometry Clinic, Newington, CT, 06111
Phone (860) 667-6742
Fax (860) 667-6833
Enumeration date Aug 30, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
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 Leonard Oshinskie practice?
The practice location on file with NPPES is in Newington, CT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Leonard Oshinskie?
The National Provider Identifier (NPI) for Leonard Oshinskie is 1124137195, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.