Han Tun, MD

John Smith, MD, is a hematologist specializing in lymphomas and blood cancers, with particular expertise in treating lymphoma, chronic lymphocytic leukemia, and primary central nervous system lymphoma. His clinical practice and research focus on advancing diagnostic and treatment approaches for these complex hematologic malignancies and related conditions affecting the brain and nervous system. Based in Jacksonville, Florida, Dr. Smith has contributed to the field through 329 peer-reviewed publi