Jay Samuel Fenster, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

174304 Issued in NY

Practice address

657 Central Ave
Cedarhurst, NY 11516-2320

Phone

(516) 374-0670

Fax

(516) 295-0648

NPI assigned

Nov 17, 2005

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

GastroenterologyAlso: Internal Medicine

Education

State University of New York Downstate Medical Center, 1986

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Five Towns GastroenterologyGroup PAC ID 2668690470, 3 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St John's Episcopal Hospital at South Shore Hospital, Far Rockaway, NY, CCN 330395

Merit-based Incentive Payment System (MIPS)

Final score

26.55 of 100Reported as individual

Quality

0

Improvement activities

0

Cost

88.5

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H3359

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/14448/brand/1/csg/1/fhir/r4
• Direct secure messaging: jay.fenster.1@14448.direct.athenahealth.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Five Towns Gastroenterology

  • Gastroenterology Physician
  • Cedarhurst, NY
  • NPI 1841608601
  Medicare reassignment Care Compare group NPD Authorized official
• St John's Medical Services PC

  • Internal Medicine Physician
  • Far Rockaway, NY
  • NPI 1023042173
  Medicare reassignment NPD

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

{
    "created_epoch": "1132185600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1467434126",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6 COPPERBEECH LN",
            "city": "LAWRENCE",
            "state": "NY",
            "postal_code": "115592606",
            "telephone_number": "516-569-7367"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "657 CENTRAL AVE",
            "city": "CEDARHURST",
            "state": "NY",
            "postal_code": "115162320",
            "telephone_number": "516-374-0670",
            "fax_number": "516-295-0648"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FENSTER",
        "first_name": "JAY",
        "middle_name": "SAMUEL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-17",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "174304",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ayala Feder
• Rena Feiner, LCSW
• Talia Feit, FNP
• Shari Feldberg, PT
• Jamie Allyson Fenster, PA
• Lauren Fenster, PA
• Marc Fenster, MD
• Cheryl Suzzane Fensterszaub
• Theresa Fiani, BCBA
• Fifth Podiatry LLC

• Gastroenterology Physician in Cedarhurst, NY
• Providers in Cedarhurst, 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 Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.