HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / TX

WILLIAM DOEL MARRERO-LEON, MD

MEDICAL ONCOLOGY

Graduated: 2009

Also: HEMATOLOGY

NPI: 1336688274

Practice Locations (2)

1515 HOLCOMBE BLVD

HOUSTON, TX 770304000

PO BOX

HOUSTON, TX 77210

Source: CMS National Downloadable File, September 2026.

WILLIAM MARRERO-LEON, MD | HealthCareAtlasUSA