Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Leonid Demihovsky
Optician in Worcester, MA · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1538510318
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Registry record
Entity type Individual (Type 1)
Name Leonid Demihovsky
Sex Male
Practice address 38 Southbridge St, Worcester, MA, 01608
Phone (508) 791-9291
Fax (508) 791-9292
Enumeration date Jun 23, 2016
Last updated in NPPES Jun 23, 2016
Taxonomy & licenses
156FC0800X Contact Lens Technician/Technologist Eye and Vision Services Providers · License 5477 (MA) Secondary
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 Leonid Demihovsky?
The National Provider Identifier (NPI) for Leonid Demihovsky is 1538510318, a Type 1 (individual) record in the CMS NPPES registry.
Where does Leonid Demihovsky practice?
The practice location on file with NPPES is in Worcester, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-06-23.