Dr. O’Brien earned his Doctor of Osteopathic Medicine from the New York College of Osteopathic Medicine in Old Westbury, New York, and his Bachelor of Science in Physics from Utica College of Syracuse University in Utica. He also holds two associate degrees, in Computer Science from Cayuga County Community College in Cayuga, New York, and in Electronics Technology from the Syracuse School of Technology in Syracuse, New York.
He completed a residency in Family Medicine at Millcreek Community College Hospital in Erie, Pennsylvania, and a rotating internship at the University of New England College of Osteopathic Medicine and the St. Elizabeth Medical Center Rotating Program in Utica.
He is a member of the American Academy of Osteopathy, the New York State Academy of Family Physicians and the American Osteopathic Association. He is board certified in Family Practice and Osteopathic Manipulation.
Prior to joining the MVHS Medical Group, Dr. O’Brien was affiliated with the Easterly Primary Care Center at Nathan Littauer Hospital in Gloversville, New York, and was a medical consultant with Optimal Medical Healthcare and the Beacon Center for Substance Abuse Treatment, both in Utica, New York. He serves as medical director of the Clinton Fire Department in Clinton, New York, and the Community Health Center in Johnstown, New York.