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 Dr. John Ernest Ludwigsen located in the city of Sister Bay, state Wisconsin. The legal address of the Doctor 2596 S Bay Shore Dr. Directions to the Doctor Dr. John Ernest Ludwigsen can be found on our interactive map. Ask your questions by calling 9208546556 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 Dr. John Ernest Ludwigsen - Sister Bay ← View details 2596 S Bay Shore Dr, Wisconsin, Sister Bay, 54234, SISTER BAY, Wisconsin 54234 9208546556