Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Marc Wayne Greenberg, O.D.
Optometrist in Yonkers, NY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1144291246
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Registry record
Entity type Individual (Type 1)
Name Dr. Marc Wayne Greenberg
Credential O.D.
Sex Male
Practice address 770 Mclean Ave, Yonkers, NY, 10704
Phone (914) 803-0500
Enumeration date Jan 28, 2006
Last updated in NPPES Nov 16, 2021
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
What is the NPI number for Marc Greenberg?
The National Provider Identifier (NPI) for Marc Greenberg is 1144291246, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marc Greenberg practice?
The practice location on file with NPPES is in Yonkers, NY. 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 2021-11-16.