Dr. DiSiena has been associated with Berkshire Medical Center (BMC) since 1994 when he joined the hospital staff as a resident in General Surgery, becoming Chief Resident General Surgery in 2002.  From 2003 to 2005 he held a fellowship in Surgical Oncology at Roger Williams Medical Center, Providence, RI, which is affiliated with Boston University School of Medicine.  He joined Berkshire Surgical Associates in 2005. 

Specializing in Surgical Oncology with training in pathology, Dr. DiSiena has the skill and knowledge to deal with complex cancer surgeries. He provides general surgical services as well as breast and gynecological surgery.  His experience in cancer of the lung, esophagus, liver and pancreas are unique in the Berkshires.  Trained as a D.O. (Doctor of Osteopathic Medicine SO), he embraces a holistic approach to medicine. 

Dr. DiSiena and his wife Joan, live in Lenox.  In addition to other outdoor activities, Dr. DiSiena likes to fish and play golf.  He also enjoys woodworking projects. 

Education

• B.S., (Biology) Siena College, Loudonville, NY, 1985 - 1989
• Non-degree (Molecular Biology), SUNY at Albany, Albany, NY, 1989 - 1990
• D.O., New York College of Osteopathic Medicine, Old Westbury, NY, 1990 - 1994

Post Graduate Training

• General Surgery, Berkshire Medical Center, Pittsfield, MA, 1994 - 1996
• Pathology, Berkshire Medical Center, Pittsfield, MA, 1996 - 1999
• General Surgery, Berkshire Medical Center, Pittsfield,  MA 1999 - 2002
• Chief Resident General Surgery, Berkshire Medical Center, Pittsfield, MA, 2002 - 2003
• Fellowship in Surgical Oncology, Roger Williams Medical Center, Providence, RI, Boston University School of Medicine, 2003 - 2005

Board Certification

• American Board of Pathology, 1999
• American Board of Surgery, 2004

Licensure and Certification

• Massachusetts Medical License, MA Board of Registration in Medicine
• Advanced Trauma Life Support, American College of Surgeons

Hospital Appointments

• Active Staff, Berkshire Medical Center, Pittsfield, MA, 2005 - Present
• Operating Department Committee, Berkshire Medical Center, Pittsfield, MA, 2006 - Present
• Surgical Review Committee, Berkshire Medical Center, Pittsfield, MA
• Transfusion Review Committee, Berkshire Medical Center, Pittsfield, MA
• Infection Control Committee, Berkshire Medical Center, Pittsfield, MA
• Cancer Review Committee, Berkshire Medical Center, Pittsfield, MA
• Executive Faculty Committee, Berkshire Medical Center, Pittsfield, MA
• Library Committee, Berkshire Medical Center, Pittsfield, MA
• Trauma Committee, Berkshire Medical Center, Pittsfield, MA

Academic Appointments

• University of Massachusetts Medical Center, Assistant Professor Surgery, 2005
• University of Massachusetts Medical Center, Assistant Professor Pathology, 2005

Professional Memberships

• American College of Surgeons
• American Medical Association
• Society of Surgical Oncology