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Peter A Silver, O.D.

Optometrist in Old Greenwich, CT · enumerated 2006 · practices at Gray Matters, Greenwich.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1659323210

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Registry record

Entity type Individual (Type 1)
Name Peter A Silver
Credential O.D.
Sex Male
Practice address 1455 E Putnam Ave, Old Greenwich, CT, 06870
Phone (203) 348-7575
Enumeration date May 16, 2006
Last updated in NPPES Feb 10, 2022

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 002290 (CT) Primary
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
004245157 Medicaid CT -

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.

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Frequently asked questions

What is the NPI number for Peter Silver?
The National Provider Identifier (NPI) for Peter Silver is 1659323210, a Type 1 (individual) record in the CMS NPPES registry.
Where does Peter Silver practice?
The practice location on file with NPPES is in Old Greenwich, CT. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-02-10.