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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MALIGNANT HEME ALLIANCE LLC
NPI 1760301170
Internal Medicine - Hematology & Oncology in Hato Rey, PR

Active since July 11, 2026
715 AVE PONCE DE LEON, HATO REY, PR 00917(787) 758-2000 Get Directions Write a Review

NPPES record added: July 11, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Malignant Heme Alliance Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MALIGNANT HEME ALLIANCE LLC (NPI 1760301170) is a healthcare organization registered as a hematology & oncology in Hato Rey, Puerto Rico and active in the NPI registry since July 2026. The organization lists William Doel Marrero Leon, President, as its authorized official.

NPPES Registry Identity

NPI1760301170
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameMALIGNANT HEME ALLIANCE LLC
Location Address715 AVE PONCE DE LEONHato Rey, PR 00917-5032
Mailing Address405 Ave Esmeralda Ste 2Guaynabo, PR 00969-4466
Phone(787) 758-2000
Organization SubpartNo
Authorized OfficialWilliam Doel Marrero LeonPresident · (787) 247-2880
Enumeration DateJuly 11, 2026
NPPES CertifiedJuly 11, 2026
✔ NPI 1760301170 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LILIBET MIRANDA GONZALEZ MD
Hospitalist
715 AVE PONCE DE LEON
HATO REY, PR 00917
San Juan Municipio (787) 758-0000
YASMIN V OJEDA RODRIGUEZ MD
General Practice
715 AVE PONCE DE LEON
SAN JUAN, PR 00917
San Juan Municipio (787) 758-2000
ANA CARIDAD RUIZ LOPEZ MD
Student in an Organized Health Care Education/Training Program
715 AVE PONCE DE LEON
SAN JUAN, PR 00917
San Juan Municipio (787) 758-2000
LEONARDO FABIO BASTARDO MD
General Practice
715 AVE PONCE DE LEON
HATO REY, PR 00917
San Juan Municipio (787) 758-2000
HOSPITAL ESPANOL AUXILIO MUTUO DE PUERTO RICO, INC.
Pediatrics
715 AVE PONCE DE LEON, STOP 37.5
SAN JUAN, PR 00917
San Juan Municipio (787) 771-7934
LAURA A CRUZ LUGO
Pharmacist (Infectious Diseases)
715 AVE PONCE DE LEON
SAN JUAN, PR 00917
San Juan Municipio (787) 758-2000
FELIX LOPEZ
Pharmacy Technician
715 AVE PONCE DE LEON
HATO REY, PR 00917
San Juan Municipio (787) 758-2000
JESSICA R LEBRON MHSN, RD, LDN
Dietitian, Registered
715 AVE PONCE DE LEON
HATO REY, PR 00917
San Juan Municipio (787) 758-2000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Malignant Heme Alliance LLC's NPI number?

The NPI number for Malignant Heme Alliance LLC is 1760301170. It was assigned to this organization in the NPPES registry on July 11, 2026.

Where is Malignant Heme Alliance LLC located?

Malignant Heme Alliance LLC is located at 715 Ave Ponce De Leon, Hato Rey, PR 00917. The listed phone number is (787) 758-2000.

What is Malignant Heme Alliance LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for Malignant Heme Alliance LLC was last updated on July 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.