Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mark I Silberman, M.D.,F.A.C.S.

Specialist in Great Neck, NY · enumerated 2006.

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

National Provider Identifier

1780769653

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Registry record

Entity type Individual (Type 1)

Name Dr. Mark I Silberman

Credential M.D.,F.A.C.S.

Sex Male

Practice address 650 Northern Blvd, Great Neck, NY, 11021

Phone (516) 466-7000

Fax (516) 466-9025

Enumeration date Oct 26, 2006

Last updated in NPPES Jul 9, 2007

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 146490 (NY) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Mark Silberman?

Mark Silberman is registered in NPPES with the primary taxonomy of Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.