About Jason Haas, D.O.

Board Certified Gastroenterologist

misc image

Jason Haas, D.O.

Jason Haas, D.O. is dedicated to providing the highest quality of care to all his patients.  He has strong communication skills which allow him to connect with patients, staff and colleagues. 


For the past eight years, Dr. Haas has been a gastroenterologist practicing in Springfield, Missouri with Cox Medical Clinic.  He is a board-certified gastroenterologist that completed his GI Fellowship training at Aurora Health Care in Milwaukee, WI and his Internal Medicine Residency at Gundersen Health Care in LaCrosse, WI.  


His wife is from. St. Louis, and in their spare time Dr. Haas enjoys traveling with her and their two daughters.  Dr. Haas has been a member of the Colorectal Awareness Party in Springfield, which helps raise money and provide free colonoscopy evaluations for patients in need.