ONS orthopedic surgeons are board certified by the American Board of Orthopaedic Surgery. Our physicians are trained at the most respected medical institutions in the country. Their areas of specialty include shoulder and elbow, hand and wrist, hip and knee, foot and ankle, joint replacement, and sports medicine. All surgeries are performed by ONS surgeons, not hospital residents or fellows.
The ONS philosophy centers on a team approach. Patients are matched to the physician specialist best suited for their condition.
Schedule an appointment online, or call 203.869.1145.
SHOULDER
James G. Cunningham, MD
Demetris Delos, MD
Marc S. Kowalsky, MD
Seth R. Miller, MD
Paul M. Sethi, MD
Katherine B. Vadasdi, MD
ELBOW
Matthew B. Cantlon, MD
Marc S. Kowalsky, MD
Paul M. Sethi, MD
Katherine B. Vadasdi, MD
Mark A. Vitale, MD
David Wei, MD
HAND & WRIST
Matthew B. Cantlon, MD
Mark A. Vitale, MD
David Wei, MD
HIP
Jonathan L. Berliner, MD
Frank A. Ennis, MD
Tim Greene, MD
Brian F. Kavanagh, MD
HIP ARTHROSCOPY
Tim Greene, MD
HIP REPLACEMENT
Jonathan L. Berliner, MD
Frank A. Ennis, MD
Brian F. Kavanagh, MD
KNEE
Jonathan L. Berliner, MD
James G. Cunningham, MD
Demetris Delos, MD
Frank A. Ennis, MD
Brian F. Kavanagh, MD
Marc S. Kowalsky, MD
Paul M. Sethi, MD
Katherine B. Vadasdi, MD
KNEE REPLACEMENT
Jonathan L. Berliner, MD
Frank A. Ennis, MD
Brian F. Kavanagh, MD
FOOT & ANKLE
Michael R. Clain, MD
Mark Yakavonis, MD
SPORTS MEDICINE
James G. Cunningham, MD
Demetris Delos, MD
Tim Greene, MD
Marc S. Kowalsky, MD
Paul M. Sethi, MD
Katherine B. Vadasdi, MD
ADOLESCENT SPORTS MEDICINE
James G. Cunningham, MD
Demetris Delos, MD
Tim Greene, MD
Marc S. Kowalsky, MD
Paul M. Sethi, MD
Katherine B. Vadasdi, MD
GENERAL ORTHOPEDICS
Steven E. Hindman, MD
