Matthew A. Bernstein, MD

Dr. Mark Yaffe is a board-certified, fellowship-trained orthopedic surgeon with an additional subspecialty board-certification in hand surgery. He treats conditions of the hand, wrist, elbow and shoulder. Dr. Yaffe specializes in upper extremity trauma and complex fractures, work and sports-related injuries, degenerative and arthritic conditions, nerve and vascular conditions, and biologic injection therapy. He has published on topics including minimally invasive thumb joint arthroplasty, complex hand trauma, biologic injection therapy, and computer-assisted surgery. Dr. Yaffe enjoys teaching patients about their injuries and conditions. He wants to ensure that each patient has the information and knowledge that they need to determine what is the best treatment option for them. As a dedicated orthopedic surgeon Dr. Yaffe focuses on restoring patients to their optimal functional ability as quickly as possible. When he’s not seeing patients, Dr. Yaffe enjoys spending time with his wife and two daughters, terrarium design, yoga, and being an eight-time Chicago marathon runner.

Dr. Jason Rotstein is a board-certified, fellowship trained orthopedic surgeon who specializes in sports medicine, knee and shoulder conditions. He joined Barrington Orthopedic Specialists in 2010. Dr. Rostein performs advanced arthroscopy of the knee and shoulder including revision ligament reconstruction and rotator cuff repair, and knee replacement. He focuses on restoring his patients to their optimal functional ability as quickly as possible. Dr. Rotstein has been the Team Physician for Buffalo Grove High School since 2013. When he’s not seeing patients, Dr. Rotstein enjoys spending time with his family, traveling, cooking and watching and attending sporting events.

Dr. Hans Zhang is a board-eligible, fellowship-trained orthopedic surgeon that specializes in treating orthopedic conditions and injuries of the spine. He is committed to exploring all conservative methods of treatment, using surgery as a final resort. Dr. Zhang has mastered many techniques to help patients get back to activities of daily living sooner, including minimally invasive, robotic, and endoscopic approaches. Dr. Zhang also believes in the value of motion-sparing surgery, such as disc replacement and laminoplasty, as well as muscle-sparing surgical techniques. Dr. Zhang earned his medical degree from Duke University School of Medicine in Durham, NC, where he also completed his training in orthopedic surgery. He then went on to a combined orthopedic and neurosurgical spine fellowship at the Leatherman Spine Center in Louisville, KY.