Steven T. Chetham, M.D. Steven T. Chetham, M.D. (303) 604-5000 Primary Specialties Gastroenterology Medical Groups & Affiliations Gastroenterology of the Rockies - Longmont SHARE Primary Office Address Gastroenterology of the Rockies 1551 Professional Lane, Suite 290 Longmont, CO 80501 Get Directions Phone (303) 604-5000 Fax (720) 890-0364 Website www.gastrorockies.com/about-us/our-providers/steven-t-chetham Secondary Office Address 1000 W. South Boulder Road, Suite 200 Lafayette, CO 80026 Get Directions Phone (303) 604-5000 Fax (720) 890-0364 Education Medical School Albany Medical College Residency Commander, Tripler AMC Fellowship University Hospital/Boston Univ.