A Specialist in Cancer Surgery
Dr. Timmerman specializes in cancer surgery of:
He also offers endocrine, thyroid and parathyroid surgery, as well as colonoscopies.
He serves as professor and chair of the surgical department at the University of South Dakota Sanford Medical school, as well as the medical director of the South Dakota State Trauma System, and regent of the American College of Surgeons
- Colorectal Screenings
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