The reviews listed below were collected independently of Princeton Orthopaedic Associates through rater8. Each review represents an authentic and verified patient experience.
He did not even looked properly to my daughter’s finger. And they charged fees like way too much for that 4 minutes visit.
Sep-2025
He was great
Sep-2025
Excellent doctor. Great at talking to patients about options for treatment. Is very caring and compassionate and has a great dry sense of humor. Would recommend Dr. Grenis without reservation.
Aug-2025
Very thorough, knowledgeable and kind. Explained everything, & I feel confident in his care!
Aug-2025
Pleasant, he listened, thorough exam, understanding. Great visit. I understand why he came highly recommended
Aug-2025
Professional, courteous, patient and explains plan and options.
Aug-2025
Great doctor and explains diagnosis thoroughly.
Aug-2025
He listened patiently while I gave him an update on what has happened the last 10 months. Explained what might be the problem and ordered some tests. I feel like I was heard and treated with respect.
Aug-2025
Dr. Grenis has helped me tremendously with my arthritis in my fingers! The shots are given with care.
Aug-2025
Every staff interaction was efficient & communicative.
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 did not even looked properly to my daughter’s finger. And they charged fees like way too much for that 4 minutes visit.
He was great
Excellent doctor. Great at talking to patients about options for treatment. Is very caring and compassionate and has a great dry sense of humor. Would recommend Dr. Grenis without reservation.
Very thorough, knowledgeable and kind. Explained everything, & I feel confident in his care!
Pleasant, he listened, thorough exam, understanding. Great visit. I understand why he came highly recommended
Professional, courteous, patient and explains plan and options.
Great doctor and explains diagnosis thoroughly.
He listened patiently while I gave him an update on what has happened the last 10 months. Explained what might be the problem and ordered some tests. I feel like I was heard and treated with respect.
Dr. Grenis has helped me tremendously with my arthritis in my fingers! The shots are given with care.
Every staff interaction was efficient & communicative.