Our Doctors

Stephen J. Nicholas, MD

Stephen J Nicholas MD the Founder and current Director of NY Orthopedics is a recognized authority in the field of Sports Medicine. As Director of the Nicholas Institute of Sports Medicine and Athletic Trauma, the first hospital based facility dedicated to the study of sports medicine in the country, he has continued the renowned research and training in the fields of sports medicine and physical therapy. Over the years, Dr. Nicholas has dedicated a great deal of time to treating professional, collegiate and amateur athletes. He has served as the orthopedic team physician for the New York Jets Football Club, New York Islanders… [Read more]


Keith B. Raskin, MD

r. Keith Raskin is a well-recognized hand surgeon in New York City. He is a Clinical Associate Professor of Orthopaedic Surgery and former Chief of Hand Surgery at New York University School of Medicine. Dr. Raskin received his MD degree at The George Washington University School of Medicine. He completed his internship in general surgery and residency in orthopaedic surgery at New York University School of Medicine. He then continued his training in hand and upper extremity surgery under the guidance of the faculty at Johns Hopkins University at The Union Memorial Hospital in Baltimore Maryland, Upon the completion of… [Read more]


Sanjay Bakshi, MD

Dr. Bakshi practices interventional pain management. “I do minimally invasive procedures to help diagnose and treat neck and back pain,” he explains. As a leading medical educator, Dr. Bakshi instructs pain management fellows and attending physicians in pain management techniques. He has written many peer-reviewed articles on pain management and is the co-editor and author of 3 textbooks on pain management. He conducts presentations for physicians locally and abroad. Dr Bakshi was an International Course Director for the Global Update on pain in Mumbai, India in 2006, 2012, and 2015, NY/NJSIPP presenter and faculty instructor for hands on cadaver workshop… [Read more]


Steven J. Lee, MD

Steven J. Lee MD is a board certified, double fellowship trained, orthopedic surgeon and a Fellow of the American Academy of Orthopaedic Surgeons. Dr. Lee specializes in the treatment of the most complex disorders of the hand, wrist, elbow, shoulder, knee, and ankle. Dr. Lee grew up in northern New Jersey, obtained his MD degree through a highly competitive, accelerated 6 year college/med school program at the Medical College of Pennsylvania. He completed his orthopedic residency at Stony Brook University Hospital, his Hand and Upper Extremity Fellowship at NYU/Hospital for Joint Diseases, and his second fellowship in Sports Medicine at Lenox… [Read more]


Armin M. Tehrany, MD

Dr. Tehrany specializes in minimally invasive treatment of the shoulder and knee, including rotator cuff repair and dislocation repair in the shoulder, as well as meniscus and ligament reconstruction in the knee. He believes that treatment of various conditions in the body should include both traditional allopathic and non-allopathic methods, ranging from conservative management to surgical intervention. Dr. Tehrany has published and presented his research at numerous local, national, and international meetings on topics involving the shoulder, hip, and spine. He is a member of many organizations, including the Arthroscopy Association of North America and the American Academy of… [Read more]


Christopher FX Riegler, MD

Christopher F.X. Riegler MD is an ABA board-certified anesthesiologist and interventional pain medicine physician. Dr Riegler specializes in the field of regional anesthesia as applied to the field of orthopedic surgery and sports medicine. Additionally Dr Riegler sub-specializes in the field of interventional pain medicine for the treatment of acute and chronic spinal pain, as well as complex regional pain syndromes. Dr Riegler is originally from New Jersey and a graduate of Cornell University, College of Arts and Sciences. He received his medical degree from New York Medical College. He served as President of New York College Alumni Association and… [Read more]


Stuart D. Katchis, MD

Appointments Lenox Hill Hospital Department of Orthopedic Surgery Assistant Adjunct April 1995 to present Lenox Hill Hospital Department of Orthopedic Surgery Section Chief, Foot and Ankle Orthopedic Surgery January 1996 to present Training Balance Orthopedic Foot and Ankle Center Harbor-UCLA Medical Center Long Beach, California Orthopedic Fellow, Foot and Ankle Surgery August 1994 – March 1995 The Cleveland Clinic Foundation Cleveland, Ohio Orthopedic Fellow, Department of Orthopedics-Division of Sports Medicine August 1993 – July 1994 Lenox Hill Hospital New York, New York Resident, Department of Orthopedic Surgery July 1988 to June 1993 Lenox Hill Hospital New York, New York Intern… [Read more]


Thomas Scilaris, MD

Dr. Scilaris has been certified with the American Board of Orthopaedic Surgery for over ten years in New York and New Jersey. He earned his Bachelors of Science from the University of Richmond and received his Medical Degree from Georgetown University School of Medicine. He completed his General Surgery Internship at Lenox Hill Hospital, his Orthopaedic Surgery Residency at University of Missouri-Kansas City and a Sports Medicine Fellowship in Perth, Australia. [Read more]


Sergai DeLaMora, MD

Sergai DeLaMora received his BS from Cornell University in 1994 and his MD from New York University School of Medicine in 1998. He completed his residency in orthopedic surgery at Mount Sinai Medical Center in 2003. Following residency, he did a sports medicine fellowship at the acclaimed Kerlan-Jobe Orthopaedic Clinic. While there he had the opportunity to care for athletes of many Los Angeles area professional teams including the Lakers, the Dodgers and the Galaxy. He joined NY Orthopedics in 2007 where he focuses on sports-related injuries to athletes of all ages and levels. He is the team physician for… [Read more]


Aruna M. Seneviratne, MD

Dr. Seneviratne is a fellowship trained Orthopaedic Surgeon who specializes in disorders of the shoulder, knee, and elbow as well as all sports-related injuries. He utilizes advanced open and arthroscopic surgical techniques to restore damaged joints, ligaments, and bones. Dr. Seneviratne has authored several peer-reviewed, scientific articles, and book chapters. His academic work has been presented nationally and internationally at several specialty meetings. Born in Sri Lanka, Dr. Seneviratne grew up in southern California.He received his undergraduatedegree from the University of California and his MD from New York Medical College. Dr. Seneviratne received the Lewis Clark Wagner Award for Excellence in Orthopedic… [Read more]


David M. Matusz, MD

David M Matusz MD is a fellowship trained spine surgeon who studied with experts in the treatment of complex disorders of the spine at Johns Hopkins University Hospital, Lenox Hill Hospital, Boston Children’s Hospital, and with Jurgen Harms at the Klinikum Karlsbad-Langensteinbach in Germany. He has published and presented at both national and international meetings on treatment of disorders of the spine. His practice is dedicated to the care of pediatric and adult patients with spinal disorders. Dr. Matusz was born in upstate New York, graduated from Cornell University and received his MD from Columbia University’s College of Physicians and Surgeons. He completed his residency… [Read more]


David O. Volpi, MD

David Volpi, M.D., P.C., F.A.C.S. has had a private Ear, Nose and Throat practice in New York, NY for more than twenty years and is a staff member at New York’s finest teaching hospitals. As an otolaryngology surgeon, David Volpi, M.D. realized that there is a lack of information on the part of the public about the potential severity of snoring. With the need for accurate information, diagnosis and treatment so necessary, he founded Eos Sleep, formerly Manhattan Snoring and Sleep Center to be a place where snoring patients can go for total, expert treatment — and he created this site…  [Read more]


Steven Touliopoulos, MD

Dr. Touliopoulos is board certified by the American Board of Orthopaedic Surgery and is a member of several professional associations, including the American Academy of Orthopaedic Surgeons and the Brooklyn Orthopaedic Society. He has had articles accepted for publication in Sports Medicine and the Journal of Hand Surgery. Dr. Touliopoulos earned his medical degree from the State University of New York (SUNY) Health Science Center at Brooklyn. After completing a residency in orthopaedic surgery at that institution, he pursued a fellowship in orthopaedic sports medicine at Lenox Hill Hospital, serving as sports fellow for the New York Jets, New… [Read more]


Leon E. Popovitz, MD

Dr. Popovitz is an internationally recognized orthopedic surgeon in the field of Arthroscopic Surgery of the Shoulder and Arthroscopic Surgery of the Knee as well as Sports Medicine. Dr. Popovitz was born in the Ukraine and immigrated to the United States with his family when he was a child. He grew up in Queens, NY amidst very modest means. At the age of 17, he was accepted to the renowned Sophie Davis School of Biomedical Education. The Sophie Davis School of Biomedical Education is a combined B.S/M.D. program that recruits exceptional students immediately out of high school that are committed…  [Read more]


Benjamin B. Bedford, MD

Benjamin B. Bedford MD is a fellowship trained Orthopedic Surgeon who specializes in the treatment of all sports-related injuries as well as arthroscopic and open treatment of knee, ankle, shoulder and elbow injuries. He also performs joint replacement for arthritis of the hip, knee and shoulder. Dr Bedford has presented research and instructional lectures at numerous orthopedic conferences. Additionally he has authored research articles in topics related to orthopedics and sports medicine. He currently performs clinical research at the Nicholas Institute for Sports Medicine and Athletic Trauma and maintains a special interest in the treatment of throwing athletes, including ligament… [Read more]


Lon S. Weiner, MD

Dr. Weiner is certified by the American Board of Orthopaedic Surgery and is Chief of Orthopedic Trauma at Lenox Hill Hospital in New York. He received his medical degree and did his residency at Mount Sinai School of Medicine in New York. He completed his fellowship at Hospital for Special Surgery. Castle Connolly annually ranks Dr. Weiner as one of the top orthopaedic surgeons in New York. Dr. Weiner has successfully developed and commercialized several medical devices with the leading orthopaedic companies. He has numerous publications in the field. In addition to consulting with orthopaedic companies, he regularly conducts training… [Read more]


Gary J. Sherman, DPM

Gary J. Sherman, DPM, is a board ceritifed Podiatric Surgeon with thirty-five years of experience in the field of cosmetic and reconstructive foot surgery. It is this combination of technical skill, training, and integrity that he brings to his surgical practice and offers to his patients. Ideally located in midtown Manhattan, Dr. Sherman’s state of-the-art suite is a safe and convenient alternative to a hospital setting for most podiatric procedures. More extensive procedures may be performed at the prestigious New York University Downtown Hospital, where Dr. Sherman is the Director of Podiatry. Dr. Sherman’s well-appointed consultation and exam areas provide… [Read more]


Sudhir Diwan, MD

Dr. Sudhir Diwan is a top-rated, highly sought after pain management specialist and serves as the executive director of Manhattan Spine & Pain Medicine. He joined National Spine & Pain Centers through a partnership in late 2013. Before joining Manhattan Spine & Pain, Dr. Diwan was the director of the Tri-Institutional Pain Fellowship Program and Division of Pain Medicine at Ivy League Weill Medical College of Cornell University for 10 years, where he also served as associate professor of clinical anesthesiology. He also served on the faculty for the Jay Monahan Center for Gastrointestinal Health, the Comprehensive Spine Center, and… [Read more]


Teo Mendez, M.D.

Teo Mendez, M.D. is a fellowship trained orthopedic surgeon who focuses on both operative and non-operative management of sports-related injuries, musculoskeletal injuries and arthritis. Dr. Mendez is a native of Richmond, Virginia where he graduated high school from The Collegiate School. He then went on to attend the University of Virginia where he graduated in 2005 with dual bachelor degrees in physics and economics while also minoring in chemistry. He received his M.D. degree at Emory University School of Medicine in 2009. From 2009 to 2014 he served as a resident at the University of Miami at Jackson Memorial Hospital… [Read more]


Martin J. O’Malley, MD

Dr. Martin O’Malley is an Associate Attending Orthopaedic Surgeon. He started his private practice in 1993 and specializes in reconstructive surgery of the foot and ankle with special emphasis on sports medicine of the foot and ankle. He has operated on athletes from all professional sports (NBA, NFL, NHL, Major League Baseball) as well as professional soccer and dance. Dr. O’Malley is also Associate Professor of Surgery (Orthopaedics) at Weill Cornell Medical College and has authored over 50 articles and book chapters on disorders of the foot and ankle. Residency Tufts University Affiliated Hospitals, Boston, Massachusetts Appointments Associate Attending Orthopaedic… [Read more]