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Gold Coast Gastroenterology P.C.

Gastroenterology Physician in Syosset, NY · enumerated 2014 · authorized official Kostas Sideridis, Owner.

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

National Provider Identifier

1528467685

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Registry record

Entity type Organization (Type 2)
Legal business name Gold Coast Gastroenterology P.C.
Practice address 237 Jericho Tpke, Syosset, NY, 11791
Phone (516) 802-7555
Fax (516) 802-7550
Enumeration date Aug 14, 2014
Last updated in NPPES Aug 14, 2014

Taxonomy & classification

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 220299 (NY) Primary
207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 238095 (NY) Secondary

Authorized official

Name Kostas Sideridis
Title Owner
Phone (516) 802-7555

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 type of organization is Gold Coast Gastroenterology P.C.?
Gold Coast Gastroenterology P.C. is registered in NPPES as a Gastroenterology Physician (its primary provider taxonomy).
What is a Type 2 NPI?
A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-08-14.