Individual provider Active NPI

Michael Vincent Gilligan Gormally, MD PHD

  • Hematology & Oncology Physician
  • New York, NY
National Provider Identifier
1710543376
Registry record updated Mar 7, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
311066 Issued in NY
Practice address
1275 York Ave
New York, NY 10065-6007
Phone
(212) 639-2000
NPI assigned
May 19, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 7, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X 311066 NY Primary

Addresses

Primary practice location

1275 York Ave
New York, NY 10065-6007

Mailing address

1275 York Ave
New York, NY 10065-6007
Phone (212) 639-2000

Other practice location 1

20 York St
New Haven, CT 06510-3220
Phone (203) 688-4242

Other identifiers 1

IdentifierTypeStateIssuer
311066OtherNYNY STATE LICENSE

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20250723001385 NY Practitioner - Hematology/Oncology 6901130830 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
Yale University School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1275 York Ave
New York, NY 10065-6007
Phone (212) 639-2000

530 E 74TH St
New York, NY 10021-3402
Phone (212) 639-2000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine, Doctor of Philosophy

Practice roles

OrganizationSpecialtyStatusNew patients
Mskcc Clinical Practice Plan CurrentSince Jun 30, 2025 Accepting new patients
Mskcc Clinical Practice Plan Hematology & Oncology CurrentSince Jun 30, 2025 Accepting new patients
Memorial Hematology Lymphoma Group Hematology & Oncology Current Accepting new patients
Memorial Hematology Lymphoma Group CurrentSince Jun 30, 2025 Accepting new patients

Locations

1275 York Ave
New York, NY 10065
Phone (212) 639-3813

Networks

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

Interoperability endpoints

  • Direct secure messaging: mgormally96401@mskcc.direct-ci.com

Organizations & group practices 4

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.

Hospital & facility affiliations 5

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1558224000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1678147200000",
    "number": "1710543376",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1275 YORK AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100656007",
            "telephone_number": "212-639-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1275 YORK AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100656007",
            "telephone_number": "212-639-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "20 York St",
            "address_purpose": "LOCATION",
            "city": "New Haven",
            "state": "CT",
            "postal_code": "065103220",
            "country_code": "US",
            "telephone_number": "203-688-4242",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GORMALLY",
        "first_name": "MICHAEL",
        "middle_name": "VINCENT GILLIGAN",
        "name_prefix": "Dr.",
        "credential": "MD PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-05-19",
        "last_updated": "2023-03-07",
        "certification_date": "2022-02-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NY",
            "license": "311066",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NY STATE LICENSE",
            "identifier": "311066",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.