Stephen J. O'Brien, MD, MBA

Dr. Stephen J. O’Brien closed his clinical practice with HSS on 3/31/26.

 You can contact our HSSConnect staff at our physician referral line at 917.260.4747, who can connect you with other superb HSS physicians for care. If you would like to request your medical records, please contact the Health Information Management Department at HSS by telephone at 212.606.1254.