Dr. Tejinder Grewal is an anesthesiologist practicing in Sanford, FL. Dr. Grewal ensures the safety of patients who are about to undergo surgery. Anestesiologists specialize in general anesthesia, which will (put the patient to sleep), sedation, which will calm the patient or make him or her unaware of the situation, and regional anesthesia, which just numbs a specific part of the body. As an anesthesiologist, Dr. Grewal also might help manage pain after an operation.