MJG Mount Hollis Medical PC

Primary specialty

Gynecologic Oncology PhysicianTaxonomy code 207VX0201X

Legal business name

MJG MOUNT HOLLIS MEDICAL PC

Practice address

959 Brush Hollow Rd
Westbury, NY 11590-1778

Phone

(631) 889-1517

NPI assigned

Mar 3, 2026

Organization subpart

No

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

Authorized official

Name

Dr. Max Jean-Gilles, MD

Title

Owner

Phone

(631) 889-1517

Specialties & licenses 1

Addresses

Locations

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

{
    "created_epoch": "1772496000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772496000000",
    "number": "1962357145",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14843 HILLSIDE AVE",
            "city": "JAMAICA",
            "state": "NY",
            "postal_code": "114353330"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "959 BRUSH HOLLOW RD",
            "city": "WESTBURY",
            "state": "NY",
            "postal_code": "115901778",
            "telephone_number": "631-889-1517"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MJG MOUNT HOLLIS MEDICAL PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-03-03",
        "last_updated": "2026-03-03",
        "certification_date": "2026-03-02",
        "status": "A",
        "authorized_official_last_name": "JEAN-GILLES",
        "authorized_official_first_name": "MAX",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "631-889-1517",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207VX0201X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Obstetrics & Gynecology, Gynecologic Oncology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Gynecologic Oncology Physician in Westbury, NY
• Providers in Westbury, NY by specialty
• Gynecologic Oncology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 3, 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.