David P Masiello MD

David P. Masiello, MD, is a physician specializing in Hematology and Medical Oncology, with a foundation in Internal Medicine. He is board certified by the American Board of Internal Medicine in Internal Medicine, Hematology, and Medical Oncology. Dr. Masiello earned his medical degree from Boston University School of Medicine and completed residency training in Internal Medicine at Boston Medical Center. He subsequently completed fellowship training in Hematology/Oncology at LAC+USC Medical Center. Dr. Masiello provides comprehensive, patient-centered care for individuals with blood disorders and cancer, emphasizing clear communication, careful evaluation, and evidence-based treatment planning. He works collaboratively with multidisciplinary teams to tailor therapy to each patient’s diagnosis, goals, and overall health, and he supports patients and families throughout diagnosis, treatment, and follow-up. Fluent in English and Spanish, Dr. Masiello is committed to ensuring patients feel informed and respected in their care. He is affiliated with Huntington Hospital (Huntington Health).