Michael Caldwell, MD is an internal medicine specialist and Principal Investigator with Hawthorne Health at its Lebanon, Tennessee site. Over the past seven years, he has led 30 clinical trials spanning vaccine, respiratory, neurology, dermatology, cardio-metabolic, nephrology, gastroenterology, infectious disease, and pain. His experience across these therapeutic areas supports protocol-compliant execution in a community setting, with attention to enrollment, retention, and consistent study delivery.