Gastroenterology Associates of Suffolk, P.C.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

Legal business name

GASTROENTEROLOGY ASSOCIATES OF SUFFOLK, P.C.

Practice address

931 Hallock Ave
Port Jefferson Station, NY 11776-1228

Phone

(631) 331-7200

Fax

(631) 331-8636

NPI assigned

Mar 8, 2007

Last updated

Jan 28, 2026By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Jennifer Gonzalez

Title

Office Manager

Phone

(631) 331-7200

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Practitioners 9

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Charles A Albert, MD

  • Specialist
  • Port Jefferson Station, NY
  • NPI 1174684773
  Medicare reassignment Care Compare group NPD
• Matias M Dcosta, MD

  • Internal Medicine Physician
  • Port Jefferson Station, NY
  • NPI 1053374827

  Gastroenterology

  Medicare reassignment Care Compare group NPD
• Franco Gallo, MD

  • Specialist
  • Port Jefferson Station, NY
  • NPI 1871652727
  Medicare reassignment Care Compare group NPD
• Gang He, MD, PHD, FCAP

  • Anatomic Pathology Physician
  • Bayside, NY
  • NPI 1164613667
  Medicare reassignment Care Compare group NPD
• Joseph A Ilasi, D.O.

  • Anatomic Pathology & Clinical Pathology Physician
  • Uniondale, NY
  • NPI 1740312818
  Medicare reassignment Care Compare group NPD
• Karen Matragrano, NP-C

  • Adult Health Nurse Practitioner
  • Port Jefferson Station, NY
  • NPI 1629356571
  Medicare reassignment Care Compare group NPD
• Zoran J Bandovic, M.D.

  • Anatomic Pathology & Clinical Pathology Physician
  • Brooklyn, NY
  • NPI 1174571905
  Medicare reassignment NPD
• Shirley Johnson-Hall, MD

  • Specialist
  • Port Jefferson Station, NY
  • NPI 1265591952
  Medicare reassignment NPD
• Sheikh Ahmed Abdullah, M.D.

  • Plastic Surgery Physician
  • St Petersburg, FL
  • NPI 1457353690

  Single Specialty

  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1173312000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1769558400000",
    "number": "1083745566",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "931 HALLOCK AVE",
            "city": "PORT JEFFERSON STATION",
            "state": "NY",
            "postal_code": "117761228",
            "telephone_number": "631-331-7200",
            "fax_number": "631-331-8636"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "931 HALLOCK AVE",
            "city": "PORT JEFFERSON STATION",
            "state": "NY",
            "postal_code": "117761228",
            "telephone_number": "631-331-7200",
            "fax_number": "631-331-8636"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GASTROENTEROLOGY ASSOCIATES OF SUFFOLK, P.C.",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-03-08",
        "last_updated": "2026-01-28",
        "certification_date": "2026-01-28",
        "status": "A",
        "authorized_official_last_name": "GONZALEZ",
        "authorized_official_first_name": "JENNIFER",
        "authorized_official_title_or_position": "OFFICE MANAGER",
        "authorized_official_telephone_number": "631-331-7200"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Oswaldo Garcia, NP
• Kathyana Rose Garcon, RN
• Diane Alice Gariepy, LCSWR
• Anne C Garito, LCSW
• Staciann Garry
• Thomas Geantasio
• Julio Genao, LMT
• Gina Marie Gennaro, LPN
• Genovese Drug Stores Inc (Rite Aid Pharmacy 10658)
• Jerry Jacob George, D.O.

• Gastroenterology Physician in Port Jefferson Station, NY
• Providers in Port Jefferson Station, NY by specialty
• Gastroenterology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.