Dr Hammert has practiced at University of Rochester in Rochester, NY since 2006, after practicing at the Cleveland Clinic for four years.  His current appointment is Professor of Orthopaedic Surgery and Plastic Surgery and Chief, Division of Hand Surgery in the Department of Orthopaedics and Rehabilitation.  His practice encompasses all aspects of hand, wrist, and forearm surgery as well as peripheral nerve and soft tissue reconstruction for upper and lower extremity orthopaedic trauma and oncologic conditions.  He has special interests in traumatic and reconstructive wrist disorders, chronic ischemia, and congenital hand differences.

He took a nontraditional route in becoming a hand surgeon, first attending dental school and then medical school, followed by a residency in Oral and Maxillofacial surgery.  He subsequently completed fellowships in plastic surgery and orthopaedic hand surgery.  In addition to clinical practice, he has an interest in education and currently serves as the Hand and Upper Extremity Fellowship Director at the University of Rochester.  During his 13 years at UR, he has trained orthopaedic and plastic surgery residents in hand surgery, with 24 going on to pursue hand and upper extremity fellowships after residency. His research interests are predominantly clinical, with a focus on outcomes and evidence based medicine.  

He is currently active in the American Society for Surgery of the Hand, currently serving as a board member at large and Editor of Hand-e, which is the electronic education platform for ASSH.  He has served on multiple committees as a member and chair and has been involved in teaching at regional and national courses.  He is also involved in the American Association for Hand Surgery, serving on committees and was a previous board member. Outside of hand surgery, he spends time with wife and children and is avid sports fan, closely following college athletics at Oklahoma State University.  He is also passionate about cycling.