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Physicians
 

Leon N. Costa, M.D.

Dr. Leon Costa is a board certified orthopedic surgeon with subspecialty interests and fellowship training in sports medicine and arthroscopy. Additionally, his practice includes joint replacement surgery, fracture care, and the diagnosis and treatment of other conditions affecting the entire musculoskeletal system.

Dr. Costa was born and raised in Princeton, New Jersey. Upon completion of his secondary education at Princeton High School, he attended Princeton University, graduating with a degree in Biochemistry. He earned his medical degree from The George Washington University Medical School in 1980 and completed his surgical internship and residency at The Hospital of the University of Pennsylvania. His orthopedic surgery residency was served at the New York Orthopaedic Hospital of the Columbia-Presbyterian Medical Center. This was followed by a traveling fellowship in sports medicine, arthroscopy, and shoulder and knee surgery which was completed primarily at the Hospital for Special Surgery/Cornell University.

Dr. Costa received both orthopedic and research awards during medical school. He holds patents for medical and non-medical inventions. He is a consultant for the Princeton University Health Services. Active in local and state medical societies, he has been President of the New Jersey Orthopaedic Society, the Mercer County Medical Society, and the New Jersey Association of Medical Specialties. He has also served as a trustee on the board of the New Jersey Medical Society.

Dr. Costa has been named a “Top Doctor” by the Castle-Connolly Guide to Top Doctors in the New York Metro Area.

View Dr. Costa’s complete CV
 

Michael S. Grenis, M.D.

Dr. Michael Grenis is a board certified orthopedic surgeon with a subspecialty interest in hand surgery. As an orthopedist, Dr. Grenis can diagnose and treat traumatic, degenerative and other conditions affecting the entire musculoskeletal system. His special interest and advanced training in hand surgery encompasses the evaluation and treatment of conditions such as carpal tunnel syndrome, tendonitis, fractures and ligament injuries of the hand and wrist.

Born and raised in Newburgh, N.Y., Dr. Grenis received his undergraduate education at Cornell University where he majored in biochemistry. He earned an M.D. degree at New York Medical College where he was elected to Alpha Omega Alpha, the national medical honor society.

After medical school, Dr. Grenis did an internship in surgery, a four year residency in orthopedic surgery, and then a fellowship in hand surgery, all at New York University Medical Center and Bellevue Hospital in New York City.

Dr. Grenis came to Princeton in 1990 and joined Princeton Regional Orthopaedics. He has hospital privileges at the University Medical Center at Princeton and Capitol Health System.

Dr. Grenis has been named a “Top Doctor” by the Castle-Connolly Guide to Top Doctors in the New York Metro Area.

Dr. Grenis has published papers in national orthopedic review journals and has presented a scientific paper at a national meeting of the American Association for Hand Surgery.

View Dr. Grenis’ complete CV