St. Mary's Hospital Medical Center Contact Contact Us Phone: Medical emergencies: Dial 911 General questions or comments: 920-498-4200 Billing questions: 920-433-8122 or 800-211-2209 Feedback on our website: 920-429-1764 Mail: 1726 Shawano Avenue Green Bay, WI 54303-3282 920-498-4200 Name: Email: U.S. phone number: ( ) - Second three digits Last four digits Address: City: State: Zip: Message: Security code: