Dr. Grewal grew up in Canada and Virginia. He completed a fellowship in Interventional Pain Management at the University of Michigan Medical Center in Ann Arbor. He served as Chief Resident, while completing his Anesthesia Residency at the Illinois Masonic Medical Center in Chicago. He completed his Medicine Internship at Flushing Hospital Medical Center, New York. He earned his Medical Degree from the University of Debrecen Medical and Health Science Center in Hungary. Dr Grewal attended Hampden-Sydney College in Virginia. Hampden-Sydney College is a private liberal arts college for men and has been in continuous operation since November 10, 1775, making it the tenth oldest institution of higher learning in the United States. Dr. Grewal’s areas of interest include interventional treatment for post-laminectomy pain syndrome and neuromodulation.