Dr. Daniel E Zdonczyk, MD. 3834 Austell Road South West Suite B. Dr. Daniel E Zdonczyk, MD works in Marietta, Georgia is a specialist in Neurology and graduated Grant Hospital Of Chicago. Dr. Zdonczyk is affiliated with Wellstar Kennestone Hospital, Wellstar Cobb Hospital, Wellstar Douglas Hospital and practicing for 38 years. (0).