Willis-Knighton’s Daryl Marx, MD, performs 3,000th da Vinci Robotic Surgery Wed, 12/30/2020 - 12:00am Daryl Marx, MD, who specializes in general, bariatric and robotic-assisted surgery at Willis-Knighton Health System, has performed his 3,000th da ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today! Read more about Willis-Knighton’s Daryl Marx, MD, performs 3,000th da Vinci Robotic Surgery