SSM Health Dean Medical Group in Fort Atkinson is not an Urgent Care or Emergency site. In case of emergency, dial 911 or go to the nearest emergency room. SSM Health Dean Medical Group, located at 740 Reena Ave. in Fort Atkinson, Wisconsin, offers exceptional care for the entire family. From diagnosis and treatment for minor and chronic illnesses to immunizations and X-rays, for convenient care in your neighborhood our highly skilled physicians and nurse practitioners have you covered.