Dr. A. Karthikeyan is a Clinical Hematologist and Hematologist with 35 years of experience in these disciplines, in Adyar, Chennai. His education includes an MBBS from Thanjavur Medical College in 1986, an MD in general medicine from the same institution in 1992, and a DM in clinical hematology from Dr. MGR Medical University in 2006.

The Indian Medical Association (IMA) counts him as a member. The doctor offers a variety of services, such as the: Treatment for lower- and upper-tracheal infections, blood transfusions, hematology/oncology, and stem cell transplants are some examples of these procedures.