Leonardo Andres Sirulnik, MD PHD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

287353 Issued in NY

Practice address

19 Matthiessen Park S
Irvington, NY 10533-1507

Phone

(617) 953-9329

Fax

(914) 840-1435

NPI assigned

Mar 10, 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 7

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

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

{
    "created_epoch": "1141948800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1104894518",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19 MATTHIESSEN PARK S",
            "city": "IRVINGTON",
            "state": "NY",
            "postal_code": "105331507",
            "telephone_number": "617-953-9329",
            "fax_number": "914-840-1435"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19 MATTHIESSEN PARK S",
            "city": "IRVINGTON",
            "state": "NY",
            "postal_code": "105331507",
            "telephone_number": "617-953-9329",
            "fax_number": "914-840-1435"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIRULNIK",
        "first_name": "LEONARDO",
        "middle_name": "ANDRES",
        "name_prefix": "Dr.",
        "credential": "MD PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-10",
        "last_updated": "2026-07-13",
        "certification_date": "2026-05-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NY",
            "license": "287353",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS",
            "identifier": "219615",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HPHC",
            "identifier": "AA2027",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MASSHEALTH",
            "identifier": "2025906",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FALLON COMMUNITY HEALTH P",
            "identifier": "80313",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED HEALTH CARE",
            "identifier": "3600312",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA US HEALTHCARE",
            "identifier": "3364563",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA",
            "identifier": "4107454",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• 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.