The reviews listed below were collected independently of Princeton Orthopaedic Associates through rater8. Each review represents an authentic and verified patient experience.
Very professional. He has a great sense of humor and genuinely cares about his patients.
(2 days ago)
Apr-2026
Possibly one of the best surgeons I've encountered in my life. Thank you!
(1 week ago)
Apr-2026
Friendly, very knowledgeable, patient and was happy to answer any questions I had.
(1 week ago)
Apr-2026
Staff was friendly and efficient. Everything moved along quickly.
Dr Grenis seemed very knowledgeable and solved my problem.
Would recommend Princeton Orthopedic Associates.
(2 weeks ago)
Apr-2026
Dr. Grenis is wonderful! He has been treating me for arthritis in my hands for a few years with Cortisone shots! He really has a way of administering the shots that aren’t too scary!
(3 weeks ago)
Apr-2026
Very clear explanation of my issue and next steps.
(1 month ago)
Mar-2026
My husband just saw Dr Grenis and he was very satisfied. Very professional and compassionate as well. We recommend him highly. Very friendly.
(1 month ago)
Mar-2026
Very informative very warm nice personality makes you feel comfortable yet. Gives you the correct information. I’m really relates to the patient.
(1 month ago)
Mar-2026
Excellent bedside manner. Took.care of infection without having to go to hospital
Very gentle
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
Very professional. He has a great sense of humor and genuinely cares about his patients.
Possibly one of the best surgeons I've encountered in my life. Thank you!
Friendly, very knowledgeable, patient and was happy to answer any questions I had.
Staff was friendly and efficient. Everything moved along quickly. Dr Grenis seemed very knowledgeable and solved my problem. Would recommend Princeton Orthopedic Associates.
Dr. Grenis is wonderful! He has been treating me for arthritis in my hands for a few years with Cortisone shots! He really has a way of administering the shots that aren’t too scary!
Very clear explanation of my issue and next steps.
My husband just saw Dr Grenis and he was very satisfied. Very professional and compassionate as well. We recommend him highly. Very friendly.
Very informative very warm nice personality makes you feel comfortable yet. Gives you the correct information. I’m really relates to the patient.
Excellent bedside manner. Took.care of infection without having to go to hospital Very gentle
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