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. Dennis J Zylstra located in the city of Spencer, state Iowa. The legal address of the Doctor 1018 Grand Ave. Directions to the Doctor Dr. Dennis J Zylstra can be found on our interactive map. Ask your questions by calling 7122624346 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. Dennis J Zylstra - Spencer ← View details 1018 Grand Ave, Iowa, Spencer, 51301, Spencer, Iowa 51301 7122624346