Malignant Heme Alliance LLC

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

Legal business name

MALIGNANT HEME ALLIANCE LLC

Practice address

715 Ave Ponce de Leon
Hato Rey, PR 00917-5032

Phone

(787) 758-2000

NPI assigned

Jul 11, 2026

Organization subpart

No

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

Authorized official

Name

William Doel Marrero Leon, MD

Title

President

Phone

(787) 247-2880

Specialties & licenses 1

Addresses

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

{
    "created_epoch": "1783728000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1783728000000",
    "number": "1760301170",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "405 AVE ESMERALDA STE 2",
            "city": "GUAYNABO",
            "state": "PR",
            "postal_code": "009694466"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "715 AVE PONCE DE LEON",
            "city": "HATO REY",
            "state": "PR",
            "postal_code": "009175032",
            "telephone_number": "787-758-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MALIGNANT HEME ALLIANCE LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-07-11",
        "last_updated": "2026-07-11",
        "certification_date": "2026-07-11",
        "status": "A",
        "authorized_official_last_name": "MARRERO LEON",
        "authorized_official_first_name": "WILLIAM DOEL",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "787-247-2880",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lugo Medical Services PSC
• Alberto J. Lugo-Cobian, D.M.D.
• Luni Corp
• Mairym Delgado Roman P.S.C.
• Yasminery Maldonado, MSPT
• Joanne M Marin, MD.
• Roberto Martinez Quintana, M.D.
• Jorge Eduardo Martinez-Llorens, M. D.
• Sherli Marie Martinez-Rodriguez, MD
• Ana Hilda Martinez

• Hematology & Oncology Physician in Hato Rey, PR
• Providers in Hato Rey, PR by specialty
• Hematology & Oncology Physician in Puerto Rico

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 11, 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.