Lex Leonhardt, DO, is an oncologist board-certified in internal medicine, medical oncology, and hematology. He has special interests in thoracic, gastrointestinal, and genitourinary cancers. Dr. Leonhardt treats a variety of conditions in the fields of solid tumor oncology, hematologic malignancies, and benign hematology. He emphasizes the incorporation of molecular genomics to develop individualized treatment plans, utilizing a combination of targeted therapy, immunotherapy, and chemotherapy.

He earned his Doctor of Osteopathic Medicine degree from the West Virginia School of Osteopathic Medicine and completed his residency in internal medicine and fellowship in hematology-oncology at Kettering Health.

Dr. Leonhardt became a physician to care for the community and develop meaningful professional relationships with his patients and peers. In his spare time, Dr. Leonhardt enjoys traveling, exploring new areas, being outdoors, and spending time with his family. He is also interested in fishing, cooking, and drinking good coffee.