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Dr. John D. Barker Jr., M.D. is a gastroenterologist in Sioux Falls, SD specializing in adult gastroenterology.
1001 E. 21st Street Suite 501
Sioux Falls, SD 57105
He has a state license in South Dakota.
Licensed In: South Dakota
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Dr. John Barker is a Sioux Falls, SD physician who specializes in adult gastroenterology. Dr. Barker has obtained a license to practice in South Dakota.