Joseph F. Hacker III, MD, is a gastroenterologist at Newark-based Delaware Gastroenterology Associates.
Dr. Hacker joined Delaware Gastroenterology Associates in 1988 after serving as a physician in the U.S. Navy.
He received his medical degree from the Philadelphia-based Hahnemann Medical College.
Dr. Hacker completed his residency and fellowship at the Bethesda, Md.-based Naval Hospital.
He is board-certified in gastroenterology.
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