About Us
Leukemia/Lymphoma and
Bone Marrow Transplant Physicians
Lyle Feinstein, MD
Director, Blood and Marrow Transplant Program Director, Leukemia and Lymphoma Program
Dr. Feinstein received his undergraduate degree in biology from Brown University and his medical degree from the University of Miami, where he was the 1996 winner of the American College of Physicians Outstanding Medical Student Award for excellence in internal medicine.
Prior to his arrival at Memorial, Dr. Feinstein completed a residency and fellowship at the University of Washington and the Fred Hutchinson Cancer Research Center. In 2002, Dr. Feinstein received the Young Investigator Award presented by the American Society of Clinical Oncology for his work on nonmyeloablative allografting for acute lymphocytic leukemia.
Dr. Feinstein is an active member of the American College of Physicians — American Society of Internal Medicine, the American Society of Clinical Oncology, the American Society of Hematology, and the American Society for Blood and Marrow Transplant. He is board certified in internal medicine and medical oncology.
Daren D. Grosman, MD, PhD
Hematologist-Oncologist
Dr. Grosman is board certified in internal medicine and hematology/oncology. After receiving his medical degree and PhD in molecular and cellular pharmacology from the University of Miami, he lived in Boston for several years, where he worked as a research associate for Dana-Farber Cancer Institute and completed a hematology/oncology fellowship at Beth Israel Deaconess Medical Center and Harvard Medical School.
Dr. Grosman is a past recipient of the American Society of Clinical Oncology’s Young Investigator Award. He is presently a Diplomate of the National Board of Medical Examiners and American Board of Internal Medicine. He is an active member of the American Society of Hematology, the American Society of Clinical Oncology and the American College of Physicians. He is the immediate past President on the Executive Committee of the Southern Florida Chapter of The Leukemia & Lymphoma Society.
Allen Greenberg, MD
Hematologist-Oncologist
Dr. Greenberg is a graduate of Mount Sinai School of Medicine in New York. After completing an internship at the University of Miami School of Medicine and a residency at Barnes Hospital and the Veterans Administration Hospital, both in St. Louis, he returned to Mt. Sinai for a hematology fellowship.
Dr. Greenberg is currently an associate professor of hematology/oncology at the University of Miami School of Medicine; a co-director of the University of Miami Hemophilia Center; and an affiliate member of the University’s Center for Blood Diseases. He is a two-time winner of the AMA Physicians Recognition Award and a principal investigator for several major pharmaceutical companies. He has been active in many medical organizations through the years, including the American Society of Pediatric Hematology/Oncology; the Leukemia Society of America; North Central Cancer Treatment Group; US Oncology, Inc; and the National Hemophilia Foundation. He is board certified in internal medicine and hematology.
Neil Nagovski, MD
Hematologist-Oncologist
Dr. Nagovski earned his medical degree at the First Tashkent Medical Institute in Tashkent, Uzbekistan. After completing an internship in general surgery, he worked in the medical field in Canada. He later moved to the United States, where he completed another internship and residency in internal medicine at St. Barnabas Hospital, Weill Medical College, Cornell University, Bronx, New York.
Prior to joining Memorial Cancer Institute, Dr. Nagovski completed a fellowship in hematology/oncology at the University of Rochester Medical Center, James P. Wilmot Cancer Center in New York. He is board certified in hematology, medical oncology and internal medicine, holding professional memberships with the American Society of Clinical Oncology, the American Society of Hematology, the American College of Physicians and the American Medical Association.
Alvaro Alencar, MD
Hematologist-Oncologist
Dr. Alencar joined the Memorial Cancer Institute in 2012 from an independent physicians' group practice in Carlsbad, New Mexico. He returned to South Florida after serving his hematology/oncology fellowship at the University of Miami Sylvester Comprehensive Cancer Center and his residency at the University of Miami Jackson Memorial Hospital. Dr. Alencar received his medical degree from Pontifícia Universidade Católica do Paraná Medical School in Curitiba, Brazil, and has served research fellowships at the University of Texas M.D. Anderson Cancer Center in Houston.
Dr. Alencar is board-certified in Internal Medicine by the American Board of Internal Medicine with subspecialties in medical oncology and hematology. He is a member of American Society of Hematology and the American Society of Clinical Oncology.



