Joel B Loewenstein, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

119507 Issued in NY

Practice address

630 East Park Ave
Long Beach, NY 11561

Phone

(516) 432-2900

Fax

(516) 432-2904

NPI assigned

Jan 4, 2006

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

Other identifiers 4

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

Gastroenterology

Education

Other, 1971

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Vantage Medical Associates PCGroup PAC ID 0547673816, 84 clinicians

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

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

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

• Vantage Medical Associates PC

  • Multi-Specialty Clinic/Center
  • Far Rockaway, NY
  • NPI 1538642996
  Medicare reassignment Care Compare group NPD
• Champlain Valley Physicians Hospital Medical Center

  • Internal Medicine Physician
  • Plattsburgh, NY
  • NPI 1124189782
  Medicare reassignment NPD
• Mount Sinai School of Medicine

  • Internal Medicine Physician
  • Oceanside, NY
  • NPI 1508127531
  Medicare reassignment NPD
• North Shore Medical Group of the Mount Sinai School of Medicine

  • Internal Medicine Physician
  • Greenlawn, NY
  • NPI 1275640609

  Gastroenterology

  Medicare reassignment NPD
• Loewenstein Endoscopy Ofiices, P.C.

  • Endoscopy Clinic/Center
  • Long Beach, NY
  • NPI 1851513196
  NPD (past) Authorized official
• Mount Sinai School of Medicine

  • Psychiatry Physician
  • Hempstead, NY
  • NPI 1508333956
  NPD
• North Shore Medical Group of the Mount Sinai School of Medicine

  • Gastroenterology Physician
  • Huntington, NY
  • NPI 1164623278
  NPD
• North Shore Medical Group of the Mount Sinai School of Medicine

  • Internal Medicine Physician
  • Wantagh, NY
  • NPI 1992417323
  NPD

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

{
    "created_epoch": "1136332800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1174501795",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "630 EAST PARK AVE",
            "city": "LONG BEACH",
            "state": "NY",
            "postal_code": "11561",
            "telephone_number": "516-432-2900",
            "fax_number": "516-432-2904"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "630 EAST PARK AVE",
            "city": "LONG BEACH",
            "state": "NY",
            "postal_code": "11561",
            "telephone_number": "516-432-2900",
            "fax_number": "516-432-2904"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LOEWENSTEIN",
        "first_name": "JOEL",
        "middle_name": "B",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-04",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "119507",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "0056963",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OXFORD",
            "identifier": "A5432",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00258388",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "694621",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Lisa Nathanson, P.T. P.C.
• Emily Llobell
• Donna L Lobato
• Vivien Lobell, OTR
• Loewenstein Endoscopy Ofiices, P.C.
• Long Beach Anesthesia Services, P.C.
• Long Beach Chemists Inc
• Long Beach Community Health Center
• Long Beach Comprehensive Pain Services, PLLC
• Long Beach Ekg

• Gastroenterology Physician in Long Beach, NY
• Providers in Long Beach, 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.