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GASTROENTEROLOGY ASSOCIATES OF SUFFOLK, P.C.
NPI 1083745566
Internal Medicine - Gastroenterology in Port Jefferson Station, NY

Active since March 08, 2007CLIA Certified · 2 labs
931 HALLOCK AVE, PORT JEFFERSON STATION, NY 11776(631) 331-7200(631) 331-8636 Get Directions Write a Review

NPPES record last updated: January 28, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jan 28, 2026, Jan 23, 2026 (2 updates tracked since 2026).

About Gastroenterology Associates Of Suffolk, P.c. NPPES

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

GASTROENTEROLOGY ASSOCIATES OF SUFFOLK, P.C. (NPI 1083745566) is a healthcare organization registered as a gastroenterology in Port Jefferson Station, New York and active in the NPI registry since March 2007. The organization holds 2 active CLIA laboratory certificates and lists Jennifer Gonzalez, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1083745566
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameGASTROENTEROLOGY ASSOCIATES OF SUFFOLK, P.C.
Location Address931 HALLOCK AVEPort Jefferson Station, NY 11776-1228
Mailing Address931 Hallock AvePort Jefferson Station, NY 11776-1228 · (631) 331-7200 · Fax (631) 331-8636
Phone(631) 331-7200
Fax(631) 331-8636
Organization SubpartNo
Authorized OfficialJennifer GonzalezOffice Manager · (631) 331-7200
Enumeration DateMarch 8, 2007
Last NPPES UpdateJanuary 28, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 28, 2026
✔ NPI 1083745566 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

931 HALLOCK AVE, Port Jefferson Station, NY 11776
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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 2

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 33D0158828

Gastroenterology Associates Of Suffolk PC · Port Jefferson Station, NY
Active · expires Aug 31, 2026
CLIA Number33D0158828
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorDr. Charles A. Albert
Laboratory Phone(516) 331-7200
Laboratory LocationGastroenterology Associates Of Suffolk PC931 Hallock Avenue, Port Jefferson Station, NY 11776
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Compliance 33D1099573

Gastroenterology Associates Of Suffolk PC · Smithtown, NY
Active · expires Mar 22, 2028
CLIA Number33D1099573
Laboratory TypePhysician Office
Certificate Effective DateMarch 23, 2026
Certificate Expiration DateMarch 22, 2028
Laboratory DirectorDr. Joseph Ilasi
Laboratory Phone(631) 331-7200
Laboratory LocationGastroenterology Associates Of Suffolk PC285 Middle Country Road Suite Ll 4, Smithtown, NY 11787
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Other Providers at the Same Location NPPES 9

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

TRI STATE MEDICAL ASSOCIATES PC
Specialist
931 HALLOCK AVE
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 331-7200
LENORE LAMANNA ANP-BC
Nurse Practitioner (Adult Health)
931 HALLOCK AVE
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 331-7200
MARY ANNE MIRANDA NP-C
Nurse Practitioner (Adult Health)
931 HALLOCK AVE
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 331-7200
KAREN MATRAGRANO NP-C
Nurse Practitioner (Adult Health)
931 HALLOCK AVE
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 331-7200
RED SHIRT MEDICAL ASSOCIATES, PC
Anesthesiology
931 HALLOCK AVE
PORT JEFFERSON STATION, NY 11776
Suffolk County (347) 417-9081
NICOLE DELVECCHIO NP
Nurse Practitioner (Adult Health)
931 HALLOCK AVE
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 331-7200
UMA NARAYANA NURSE PRACTITIONER
Nurse Practitioner (Adult Health)
931 HALLOCK AVE
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 331-7200
JOEY ROSSI
Nurse Practitioner (Adult Health)
931 HALLOCK AVE
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 331-7200

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 Gastroenterology Associates Of Suffolk, P.C.'s NPI number?

The NPI number for Gastroenterology Associates Of Suffolk, P.C. is 1083745566. It was assigned to this organization in the NPPES registry on March 8, 2007.

Where is Gastroenterology Associates Of Suffolk, P.C. located?

Gastroenterology Associates Of Suffolk, P.C. is located at 931 Hallock Ave, Port Jefferson Station, NY 11776. The listed phone number is (631) 331-7200.

What is Gastroenterology Associates Of Suffolk, P.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Does Gastroenterology Associates Of Suffolk, P.C. hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Gastroenterology Associates Of Suffolk, P.C. was last updated on January 28, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.