Dr. Mateo Mejia is an Assistant Professor of Medicine in the Division of Hematology and Medical Oncology at Weill Cornell Medicine and an Assistant Attending Physician at NewYork-Presbyterian Hospital.

Dr. Mejia received his medical degree (M.D.) from the Universidad CES in his hometown of Medellin, Colombia, after which he completed an internal medicine residency at the Jacobi Medical Center/Albert Einstein College of Medicine in the Bronx, NY, where he also served as a Chief Resident. He completed his Hematology and Oncology fellowship at Weill Cornell Medicine/NewYork-Presbyterian Hospital and joined the Hematology and Medical Oncology Division after completing his fellowship training in 2023.

Dr. Mejia’s research has focused on the genomic drivers of aggressive forms of myeloma, for which he received the 2022 Conquer Cancer – American Society of Clinical Oncology (ASCO) Young Investigator Award, a prestigious honor only given to 100 of people each year. Additionally, Dr. Mejia was the recipient ofthe 2022 Charles, Lillian and Betty Neuwirth Foundation Fellowship in Oncology award for his project “Genomic Landscape of Multiple Myeloma with Extramedullary Disease”. Dr. Mejia’s research interest also encompasses the use biomarkers to assess response after CAR-T and other immunotherapy and as additional interventions to enhance these treatment modalities.