Michael O'Brien, MD
Practice: Neurosurgery, Orthopaedics & Spine Specialists, PC
Specialty: Neurosurgery
Office locations: Waterbury, CT
Dr. Michael O'Brien, M.D., is a board-eligible neurosurgeon and he is fellowship trained in complex spine surgery, including minimally invasive procedures and open deformity. He earned his Bachelor of Science in Biology from American University in Washington, DC and his Master of Science in Biology from New York University in New York City. He earned his Doctor of Medicine from SUNY Upstate Medical University and completed his neurological surgery residency as well as spine fellowship at Albany Medical Center.
Dr. Michael O'Brien, M.D., is a board-eligible neurosurgeon and he is fellowship trained in complex spine surgery, including minimally invasive procedures and open deformity. He earned his Bachelor of Science in Biology from American University in Washington, DC and his Master of Science in Biology from New York University in New York City. He earned his Doctor of Medicine from SUNY Upstate Medical University and completed his neurological surgery residency as well as spine fellowship at Albany Medical Center.
Waterbury
Waterbury, CT 06708
Dr. Michael O'Brien, M.D., is a Board eligible neurosurgeon who joined the NOSS team in August of 2024. He is fellowship trained in complex spine surgery, including minimally invasive procedures and open deformity.
His philosophy of care is to treat each unique patient as he would a member of his own family, using the latest advances in surgical technology to provide the most appropriate care, starting with the least invasive modalities when possible. Dr. O’Brien earned his Bachelor of Science in Biology from American University in Washington, DC and his Master of Science in Biology from New York University in New York City.
He earned his Doctor of Medicine from SUNY Upstate Medical University in Syracuse, New York and completed his neurological surgery residency as well as spine fellowship at Albany Medical Center in Albany, New York. Dr. O’Brien was awarded the Graduate Medical Education Committee Resident Recognition Award during residency.
He is a member of the American Association of Neurological Surgeons, Congress of Neurological Surgeons, and North American Spine Society.

Liked Dr. O’Brien. Very informative
Spent time listening to my issues to help diagnose what they might be & provided solutions
We are very grateful for the knowledge Dr.Obrien shared with us. Very knowledgeable and explaining in terms of what is going on and what is the cause and treatment to follow so he can be back to normal. Thank you Dr.Obrien & Staff.
He seems to know what my pain was today.
He was amazing
First time listening, Dr. O’Brien seems to be very organized and professional. I was very comfortable with the visit.
Very knowledgeable and patient explaining all the details and answering my endless questions.
Dr. O’Brien was very kind and informative. He took time to listen to me and made me feel heard and cared for. I left the office confident I’ll get better. Highly recommend
Michael is a great intelligent doctor who is very professional and straight forward great person hopefully he keeps helping good people like myself be blessed
Very personable, listen well and gave good suggestions for my issues.