Suggest an Edit Name* Categories* Doctor Hospital Pharmacy Add category State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 05:00 pm Tuesday: 09:00 am — 05:00 pm Wednesday: 09:00 am — 05:00 pm Thursday: 09:00 am — 05:00 pm Friday: 09:00 am — 05:00 pm Saturday: 09:00 am — 03:00 pm Company description Shawn M Janssen located in the city of Mason City, state Iowa. The legal address of the Doctor 250 S Crescent Dr. Directions to the Doctor Shawn M Janssen can be found on our interactive map. Ask your questions by calling 6414226710 on workdays.NPI number: Data not providedProvider's gender: Data not providedPractice names: Data not providedBoard certifications: Data not provided Your comments (not for publishing) * — Required information Shawn M Janssen - Mason City ← View details 250 S Crescent Dr, Iowa, Mason City, 50401, Mason City, Iowa 50401 6414226710