James Petersen, MD 200 Brevco PlazaSuite 208Lake Saint Louis, MO, 63367Mercy Clinic Gastroenterology - Lake Saint Louis View Phone 636-561-9020 Fax: 636-561-6208 200 Brevco Plaza, Suite 208Lake Saint Louis, MO 63367Mercy Clinic Gastroenterology - Lake Saint Louis View Website Experience & Reliability About Send to My Email Send to My Phone Print this Page