Provider Directory / M / Daus Mahnke M.D. Daus Mahnke, M.D. Gastroenterology Specialties: Gastroenterology Phone Number: 303-604-5000 Fax: 720-890-0364 Website Link: http://www.gastrorockies.com/about-us/our-providers/daus-mahnke Address: Gastroenterology of the Rockies 1000 W. South Boulder Road, Suite 200, Lafayette, CO 80026 Get Directions