Our Medical Directors
Sandeep Kunwar, M.D., Neurosurgeon
Board certified in neurosurgery and renowned for his work in minimally invasive neurosurgery, Dr. Kunwar played an instrumental role in the evolution of the Taylor McAdam Bell Neuroscience Institute where he now serves as medical director for three of the Institute's programs. Read More!
David Larson, M.D., Ph.D, Radiation Oncologist
Board certified in therapeutic radiology and recognized nationally and internationally for his work in stereotactic radiosurgery for the treatment of brain tumors, Dr. Larson serves as co-medical director of the Taylor McAdam Bell Neuroscience Institute's Gamma Knife® Program. Read More!
Paula Petti, PhD., RDirector of Gamma Knife Physics
Paula Petti, PhD, is board certified in therapeutic radiological physics. Her areas of expertise include stereotactic radiosurgery, charged-particle radiation therapy, Monte Carlo calculations, and particle and photon dose calculations.
Desmond Erasmus, MD., Neurosurgeon
In addition to participating in the Gamma Knife Program, Dr. Erasmus is medical director of the Institute's Minimally Invasive Spine Program. He is board certified in neurosurgery and has undergone specialized training in Gamma Knife technology.
Jenny Jasbir Multani, MD., Neurosurgeon
Dr. Multani has undergone specialized training in Gamma Knife technology and the treatment of brain tumors.
Michael Bastasch, MD., Radiation Oncologist
Dr. Bastasch is board certified in radiation oncology and has undergone specialized training in Gamma Knife technology. Prior to joining the staff at Washington Radiation Oncology Center, he was chief resident at Baylor College of Medicine in Houston, Texas. He also served as an assistant professor at the University of Texas Southwestern in Dallas.
Ping Lombardi, RN, BSN., Gamma Knife Nurse
Ping Lombardi has been a registered nurse for 34 years and has been on staff at Washington Hospital for 27 years. Her specialties include intensive care, critical care, peripheral inserted central catheters and renal dialysis. After receiving her Bachelors degree in Nursing from University of Santo Thomas in Manila, Philippines, Lombardi obtained cardiothoracic training at Albert Einstein Hospital in The Bronx, New York.