Gaston Jean-Louis Jr., MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

322876 Issued in NY

Practice address

622 W 168TH St RM 205
New York, NY 10032-3720

Phone

(212) 305-6354

NPI assigned

Apr 9, 2020

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

Hematology

Education

Columbia University College of Physicians and Surgeons, 2020

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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.

• Trustees of Columbia University in the City of New York

  • Surgery Physician
  • New York, NY
  • NPI 1508266347
  Medicare reassignment

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

{
    "created_epoch": "1586390400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776902400000",
    "number": "1730708959",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "177 FORT WASHINGTON AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100323733",
            "telephone_number": "212-305-6354"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "622 W 168TH ST RM 205",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100323720",
            "telephone_number": "212-305-6354"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JEAN-LOUIS",
        "first_name": "GASTON",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-09",
        "last_updated": "2026-04-23",
        "certification_date": "2026-04-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NY",
            "license": "322876",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Guerla Alie Jean-Charles
• Lisa Jean-Francois
• Yves Richard Jean-Gilles, MD
• Barbara Jean-Louis
• Dana Marie Jean-Louis, PSYD
• Jude Jean-Louis
• Nehemie Jean-Louis
• Stivenson Jean-Louis
• Shari Jean-Marie
• Elizabeth Jean-Paul, RN, IBCLC

• Hematology & Oncology Physician in New York, NY
• Providers in New York, NY by specialty
• Hematology & Oncology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 23, 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.