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GASTROINTESTINAL SPECIALIST OF LONG ISLAND, P.C.
NPI 1538242565
Specialist in Wantagh, NY

Active since October 23, 2006CLIA 33D0159800 · Waiver
3019 MERRICK RD, WANTAGH, NY 11793(516) 785-8075(516) 785-8139 Get Directions Write a Review

NPPES record last updated: February 21, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Gastrointestinal Specialist Of Long Island, P.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GASTROINTESTINAL SPECIALIST OF LONG ISLAND, P.C. (NPI 1538242565) is a healthcare organization registered as a specialist in Wantagh, New York and active in the NPI registry since October 2006. The organization holds a CLIA Waiver certificate valid through August 31, 2026 and lists Arthur Boshnack, Owner/president, as its authorized official.

NPPES Registry Identity

NPI1538242565
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameGASTROINTESTINAL SPECIALIST OF LONG ISLAND, P.C.
Location Address3019 MERRICK RDWantagh, NY 11793-4329
Mailing Address3019 Merrick RdWantagh, NY 11793-4329 · (516) 785-8075 · Fax (516) 785-8139
Phone(516) 785-8075
Fax(516) 785-8139
Organization SubpartNo
Authorized OfficialArthur BoshnackOwner/president · (516) 785-8075
Enumeration DateOctober 23, 2006
Last NPPES UpdateFebruary 21, 2008
✔ NPI 1538242565 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
3019 MERRICK RD, Wantagh, NY 11793
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Other Identifiers 1

Medicare PINWZ23XX10NY

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 33D0159800

Gastrointestinal Specialist Of Long Island PC · Wantagh, NY
Active · expires Aug 31, 2026
CLIA Number33D0159800
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorDr. Jeffrey S. Novak
Laboratory Phone(516) 785-8075
Laboratory LocationGastrointestinal Specialist Of Long Island PC3019 Merrick Road, Wantagh, NY 11793
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ARTHUR BOSHNACK M.D.
Specialist
3019 MERRICK RD
WANTAGH, NY 11793
Nassau County (516) 785-8075
DR. ZACHARY R. MARWIL MD
Internal Medicine (Gastroenterology)
3019 MERRICK RD
WANTAGH, NY 11793
Nassau County (516) 785-8075
JEFFREY S. NOVAK M.D.
Specialist
3019 MERRICK RD
WANTAGH, NY 11793
Nassau County (516) 785-8075

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gastrointestinal Specialist Of Long Island, P.C.'s NPI number?

The NPI number for Gastrointestinal Specialist Of Long Island, P.C. is 1538242565. It was assigned to this organization in the NPPES registry on October 23, 2006.

Where is Gastrointestinal Specialist Of Long Island, P.C. located?

Gastrointestinal Specialist Of Long Island, P.C. is located at 3019 Merrick Rd, Wantagh, NY 11793. The listed phone number is (516) 785-8075.

What is Gastrointestinal Specialist Of Long Island, P.C.'s specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Does Gastrointestinal Specialist Of Long Island, P.C. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D0159800) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Gastrointestinal Specialist Of Long Island, P.C. was last updated on February 21, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.