Endocrine Consultants of Long Island LLP

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

175465 Issued in NY

Legal business name

ENDOCRINE CONSULTANTS OF LONG ISLAND LLP

Practice address

29 Barstow Road
Suite 305
Great Neck, NY 11021

Phone

(516) 482-0347

Fax

(516) 482-3267

NPI assigned

Feb 1, 2011

Last updated

Apr 28, 2025By 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

Rory S Breidbart, MDNPI 1285600973

Title

Manager Partner

Phone

(516) 482-0347

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

Enrollment records 1

Locations

Practitioners 4

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.

• Rory Steven Breidbart, MD

  • Endocrinology, Diabetes & Metabolism Physician
  • New Hyde Park, NY
  • NPI 1285600973
  Medicare reassignment NPD Authorized official
• Rachel Fetner, M.D.

  • Endocrinology, Diabetes & Metabolism Physician
  • Great Neck, NY
  • NPI 1437184850
  Medicare reassignment NPD
• Fiona Williams, FNP-BC

  • Family Nurse Practitioner
  • Douglaston, NY
  • NPI 1083352314
  Medicare reassignment NPD
• Brian David Schwartz, MD

  • Endocrinology, Diabetes & Metabolism Physician
  • New York, NY
  • NPI 1629131958

  Internal Medicine

  NPD (past)

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

{
    "created_epoch": "1296518400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1745798400000",
    "number": "1598061046",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29 BARSTOW ROAD",
            "address_2": "SUITE 305",
            "city": "GREAT NECK",
            "state": "NY",
            "postal_code": "11021",
            "telephone_number": "516-482-0347",
            "fax_number": "516-482-3267"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "29 BARSTOW ROAD",
            "address_2": "SUITE 305",
            "city": "GREAT NECK",
            "state": "NY",
            "postal_code": "11021",
            "telephone_number": "516-482-0347",
            "fax_number": "516-482-3267"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "29 Barstow Road",
            "address_2": "Suite 305",
            "address_purpose": "LOCATION",
            "city": "Great Neck",
            "state": "NY",
            "postal_code": "11021",
            "country_code": "US",
            "telephone_number": "516-482-0347",
            "fax_number": "516-482-3267",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "ENDOCRINE CONSULTANTS OF LONG ISLAND LLP",
        "organizational_subpart": "NO",
        "enumeration_date": "2011-02-01",
        "last_updated": "2025-04-28",
        "certification_date": "2025-04-28",
        "status": "A",
        "authorized_official_last_name": "BREIDBART",
        "authorized_official_first_name": "RORY",
        "authorized_official_middle_name": "S",
        "authorized_official_title_or_position": "MANAGER PARTNER",
        "authorized_official_telephone_number": "516-482-0347",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "1754665",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "NY",
            "license": "175465",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jessica Emberger, OT
• Felicity Joy Emerson, PHD, MS, GC
• Empire DME Supply Services Corporation
• Empire Staffing Corp. (Empire staffing services)
• Endocrine Associates of Nassau &Queens,P.C.
• Paul Enker, MD
• Jenny Epstein, M.S., CCC-SLP
• Marc Charles Epstein, O.D.
• Ralph Harris Epstein, DDS
• Christopher Erickson

• Endocrinology, Diabetes & Metabolism Physician in Great Neck, NY
• Providers in Great Neck, NY by specialty
• Endocrinology, Diabetes & Metabolism Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.