Nathan Hartgrove, DOBy / January 1, 2025 Concierge Medicine Internal Medicine Medical TrainingMedical SchoolLincoln Memorial University - Debusk College of Osteopathic Medicine ResidencyUniversity of Tennessee College of Medicine-Chattanooga Contact Information Hartgrove Medical 651 East 4th Street, Suite 150Chattanooga, TN 37403 423-633-1625 615-622-8745 Location