The reviews listed below were collected independently of Princeton Orthopaedic Associates through rater8. Each review represents an authentic and verified patient experience.
He is a smart and caring doctor.
(3 days ago)
Mar-2026
Very professional abd did a fast diagnosis of my issue. He made me feel relieved that the swelling in my thumb was not serious .
(4 days ago)
Mar-2026
Very knowledgeable, caring & respectful. Would refer to anyone requiring his expertise.
(1 week ago)
Mar-2026
I went in for a sprained wrist. He was courteous, good bedside manners and had a plan for next steps. The office works very smooth and efficiently and they were friendly. Clean office. Highly recommend based on my initial visit. Thank you Dr. Grenis and staff!
(1 week ago)
Mar-2026
Very informative and compassionate
(1 week ago)
Mar-2026
Friendly, thorough, and I never felt rushed.
(2 weeks ago)
Feb-2026
A gentleman and a scholar. Was very accommodating in a difficult situation. Spent the time needed to explain treatment plan.
(2 weeks ago)
Feb-2026
I felt in good hands with Dr. Grenis.
(3 weeks ago)
Feb-2026
Very down to earth personable Doctor
(3 weeks ago)
Feb-2026
Dr. Grenis is an exceptional physician who cares deeply about his patients. He listens well and is an effective communicator.
Dr. Michael Grenis is a board-certified orthopedic surgeon with a subspecialty interest in hand surgery and the treatment of orthopedic trauma.
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 residency in orthopedic surgery and a fellowship in hand surgery, all at New York University Medical Center and Bellevue Hospital in New York City. 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.
Dr. Grenis has been practicing orthopedic and hand surgery in Princeton since 1990. He has hospital privileges at the University Medical Center of Princeton at Plainsboro and Capital 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. He is a member of the American Academy of Orthopaedic Surgeons, the New Jersey Medical Society, and the Orthopaedic Trauma Association.
See other doctors in Princeton Orthopaedic Associates
He is a smart and caring doctor.
Very professional abd did a fast diagnosis of my issue. He made me feel relieved that the swelling in my thumb was not serious .
Very knowledgeable, caring & respectful. Would refer to anyone requiring his expertise.
I went in for a sprained wrist. He was courteous, good bedside manners and had a plan for next steps. The office works very smooth and efficiently and they were friendly. Clean office. Highly recommend based on my initial visit. Thank you Dr. Grenis and staff!
Very informative and compassionate
Friendly, thorough, and I never felt rushed.
A gentleman and a scholar. Was very accommodating in a difficult situation. Spent the time needed to explain treatment plan.
I felt in good hands with Dr. Grenis.
Very down to earth personable Doctor
Dr. Grenis is an exceptional physician who cares deeply about his patients. He listens well and is an effective communicator.