Demetris Delos, MD

Dr. Delos earned his medical degree at Weill Medical College of Cornell University in New York.  He did his internship and residency in orthopedics at Hospital for Special Surgery (HSS) /New York-Presbyterian Hospital. He completed a research fellowship at the HSS Laboratory for Soft Tissue Research prior to a surgical fellowship in Sports Medicine and Shoulder Surgery also at HSS, where he was Chief Administrative Fellow. He served as Assistant NFL Team Physician for the New York Football Giants and also as team physician for a number of local high school and college athletes.

Dr. Delos’s practice focuses on sports medicine and arthroscopic treatment of knee and shoulder disorders including knee preservation surgery, knee replacement, surgery for shoulder instability, and rotator cuff repair. He has a specific interest in the comprehensive care of athletic knee disorders including meniscus, ligament, and cartilage injuries. His practice incorporates the latest operative methods including meniscal preservation and transplantation, ACL and multiple ligament knee reconstruction and repair surgery, osteotomies to realign joints, and cartilage repair and restoration.

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Watch Dr. Delos’ January, 2016 appearance on Health IQ with Dr. Siegel.

Read about a distinguished panel including Dr. Delos on the subject of maximizing a child’s athletic potential.

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Frank A. Ennis, MD

Dr. Frank Ennis specializes in hip and knee replacement, hip arthroscopy, complex revision arthroplasty of the hip and knee, and treatment of complications from hip fractures. He is fellowship-trained in adult reconstructive surgery.  Dr. Ennis is a staff orthopedic surgeon at Greenwich hospital and was among the first orthopedic surgeons in the New York Metropolitan area to do computer-assisted surgery for total knee and hip replacement. This cutting edge technique uses computerized navigation to guide the surgeon which may improve the accuracy of joint replacement surgery.

After completing undergraduate studies at Yale University and post-baccalaureate pre-medical studies at Harvard University, Dr. Ennis graduated from Duke University School of Medicine. He completed his residency at Yale University Department of Orthopaedic Surgery. He completed Fellowship training in adult reconstructive surgery at New England Baptist Hospital in Boston.

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Brian F. Kavanagh, MD

Joint replacement specialist Brian Kavanagh, MD is a staff orthopedic physician at Greenwich Hospital where he has performed over 6000 surgeries over the past 25 years. Board-certified by the American Board of Orthopaedic Surgery, Dr. Kavanagh graduated Princeton University and attended University of Connecticut School of Medicine. His internship and residency were performed at the Mayo Clinic, Mayo Graduate School of Medicine in Rochester, Minnesota. He served on the full-time faculty at the Mayo Graduate School of Medicine for seven years and on the teaching staff at Yale University School of Medicine in New Haven for five years. He is a former consultant to the Department of Orthopedics at the Mayo Clinic, where he specialized in hip and knee reconstruction and was an instructor in the hip and knee total joint fellowship program.

Dr. Kavanagh has authored and edited numerous articles and book chapters and serves on the editorial staff of the Journal of Arthroscopy and the publication, Clinical Orthopaedcis and Related Research. He is an examiner for the American Board of Orthopaedic Surgery and a member of several specialty orthopedic societies.

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Marc S. Kowalsky, MD, MBA

Dr. Kowalsky is a board-certified orthopedic surgeon with expertise in surgical and nonsurgical treatment of rehab-focused, as well as operative treatments for upper and lower extremity sports injury, and complex shoulder and elbow conditions including degenerative disease, trauma, and revision surgery. He has a particular interest in the management of shoulder and elbow arthritis, instability, ligament and tendon injuries, as well as knee injuries and cartilage disorders. He has authored original research manuscripts, review articles, and textbook chapters focusing on AC joint reconstruction, rotator cuff repair, and shoulder replacement. He currently serves as a reviewer for the Journal of the American Academy of Orthopaedic Surgeons, Journal of Shoulder and Elbow Surgery and the American Journal of Sports Medicine. Continue reading “Marc S. Kowalsky, MD, MBA”

Seth R. Miller, MD

Seth Miller, MD is an orthopedic surgeon who specializes in arthroscopic shoulder surgery and shoulder replacement at ONS. He is Clinical Assistant Professor of Orthopaedic Surgery at Hospital for Joint Diseases/New York University, staff orthopedic physician at Greenwich Hospital, and is Assistant Attending Physician in orthopedic surgery at New York-Presbyterian Hospital. Dr. Miller served as Orthopedic Consultant to the New York Mets for nine years, attending spring training and regular Major League season games where he oversaw the physical condition of players.

Dr. Miller has performed over 1000 total shoulder and reverse shoulder replacements, the most significant breakthrough in shoulder replacement surgery in the last 30 years.

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Katherine B. Vadasdi, MD

Katherine Vadasdi, MD is an orthopedic surgeon who is fellowship trained in adolescent and adult sports medicine as well as shoulder and elbow surgery.

Dr. Vadasdi graduated Dartmouth College and earned her medical degree at Dartmouth Medical School. She performed a residency in orthopedics at the Hospital for Special Surgery (HSS) in New York and completed fellowship training in shoulder, elbow and sports medicine at Columbia University Medical Center, Department of Orthopedics. While at Columbia she was assistant team physician to Columbia University Athletics.

Dr. Vadasdi’s area of medical specialty reflects her personal interests.  She is an accomplished triathlete, having completed Ironman competitions in 2007 and 2009. Dr. Vadasdi is also an alpine climber and has ascended Mount Kilimanjaro, Mount Rainier and the Grand Teton, among others.

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