David J Clain, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

138832 Issued in NY

Practice address

10 Union Square E
#2G, Phillips Ambulatory Care Center
New York, NY 10003-3801

Phone

(212) 420-4521

Fax

(212) 420-4373

NPI assigned

Dec 9, 2005

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 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Beth Israel Medical Center

  • Internal Medicine Physician
  • New York, NY
  • NPI 1861457202

  Gastroenterology

  NPD (past)
• Bimc Faculty Practice

  • Sports Medicine (Orthopaedic Surgery) Physician
  • New York, NY
  • NPI 1093906828
  NPD (past)
• Bimc Faculty Practice

  • Neurology Physician
  • New York, NY
  • NPI 1891848461
  NPD (past)

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

{
    "created_epoch": "1134086400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1114902343",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 32886",
            "address_2": "BETH ISRAEL MEDICAL CENTER, DEPT OF GASTROENTEROLOGY",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061502886",
            "telephone_number": "212-420-4521",
            "fax_number": "212-420-4373"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10 UNION SQUARE E",
            "address_2": "#2G, PHILLIPS AMBULATORY CARE CENTER",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100033801",
            "telephone_number": "212-420-4521",
            "fax_number": "212-420-4373"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CLAIN",
        "first_name": "DAVID",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "138832",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00837132",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• CL Medicine PLLC
• Jan Claassen, MD
• Bimmer E Claessen, MD, PHD
• Molly Clare Claflin, LMSW
• Bartholt Clagett, MD
• Andrea Clair, MD
• Jeanne Clair, LCSW
• Julia Clair
• Claire Wolinsky MD PC
• Theresa Claire, PH.D.

• Gastroenterology Physician in New York, NY
• Providers in New York, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.