Dr. Alan B. Rosenthal is a graduate of the University of Pennsylvania School of Dental Medicine.  In addition, he completed a two-year endodontic post-graduate residency at New York University. Dr. Rosenthal was the first and only practicing endodontist in Alaska where he was also the Endodontic Director for the Public Health Service. Dr. Rosenthal currently lectures and teaches as an Assistant Clinical Professor of Endodontics at New York University.  He is a Chief Surgeon with the Fraternal Order of New York Police, and Honorary Police Surgeon with the NYPD.

Dr. Rosenthal is a member of the American Dental Association, the American Association of Endodontists, the Connecticut Association of Endodontists, and the Connecticut State Dental Association. Dr. Rosenthal was accredited and granted privileges to perform office-based surgery with National Quality Approval from the Joint Commission.