The 20 Best Colonoscopy Doctors near marshall, MN
Find the Experts and Specialists who perform Colonoscopy
Avera Cancer Institute — Marshall
Ryan Vaca is an Oncologist practicing medicine in Marshall, Minnesota. Dr. Vaca is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Burkitt Lymphoma, Pleuropulmonary Blastoma, Merkel Cell Carcinoma, Colonoscopy, and Bone Marrow Aspiration. Dr. Vaca is board certified in American Board Of Internal Medicine — Internal MedicineAmerican Board Of Internal Medicine – Medical OncologyAmerican Board Of Internal Medicine – Hematology. Dr. Vaca is currently accepting new patients.
Avera Medical Group Surgery — Marshall
Jeffrey Horak is a General Surgeon practicing medicine in Marshall, Minnesota. Dr. Horak is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Hernia, Gallstones, Endoscopy, and Hernia Surgery. Dr. Horak is currently accepting new patients.
Last Updated: 09/26/2026
