Maricel Castaner, MD, specializes in medical oncology and hematology oncology, with a focus on treating breast cancer, ovarian cancer, cervical cancer, and uterine cancer. Her expertise includes managing advanced stage ovarian and uterine cancers, metastatic and recurrent breast cancer, and various types of breast cancer such as HER2 positive, ER positive, ER negative, hormone receptor positive, and triple negative breast cancer. She is proficient in cancer chemotherapy, including maintenance chemotherapy, breast cancer chemotherapy, and ovarian cancer chemotherapy. Dr. Castaner is fluent in Spanish. She earned her medical degree from the University of Puerto Rico School of Medicine, completed her residency in Internal Medicine at Baylor College of Medicine, and pursued a fellowship in Hematology/Oncology at Tufts New England Medical Center. She is board-certified in both Hematology and Medical Oncology by the American Board of Internal Medicine.