Dr. John Caleb Grenn, MD

Dr. John Grenn is a medical doctor who specializes in internal medicine and pediatrics, providing comprehensive care for both adults and children. He earned his medical degree from the University of Mississippi School of Medicine and has been practicing medicine for nine years. His dual specialty training allows him to treat patients across all age groups, from newborns to elderly adults.

Dr. Grenn practices at multiple locations throughout Jackson and Flowood, Mississippi, with affiliations at University of Mississippi Medical Center, Merit Health River Oaks, and Children's of Mississippi Hospital. He focuses on managing chronic conditions such as kidney disease and Type 2 diabetes. His expertise includes performing essential diagnostic tests like complete blood counts and chemistry panels to monitor patient health and kidney function through creatinine testing.