Dr. Mark Hayward Knapp, MD

Dr. Mark Knapp is an oncology and hematology specialist who focuses on treating cancer and blood disorders. He earned his medical degree from the University of Cincinnati College of Medicine and completed his residency at St. Vincent Hospital. With 29 years of experience in medicine, Dr. Knapp has developed extensive expertise in caring for patients with complex blood-related conditions and various forms of cancer. He is fluent in both English and Spanish, allowing him to communicate effectively with a diverse patient population.

Dr. Knapp practices at multiple locations throughout Columbus and Westerville, with affiliations at Mount Carmel East Hospital, Grant Medical Center, Mount Carmel Grove City, Mount Carmel Saint Anns Hospital, and OhioHealth Grove City Methodist Hospital. His clinical focus includes treating various types of anemia, including iron deficiency anemia and hemolytic anemia. He regularly performs essential diagnostic procedures such as complete blood counts and …white blood cell differentials to help identify and monitor blood disorders. Patients have given Dr. Knapp an average rating of 5.0, reflecting their confidence in his care and expertise.