Howard Mertz, MDBy / January 1, 2025 Gastroenterology Medical TrainingMedical SchoolBaylor College of Medicine ResidencyJohn Hopkins University School of Medicine FellowshipUniversity of California, Los Angeles School of Medicine Contact Information St. Thomas Medical Group 4230 Harding Pike, Suite 309Nashville, TN 37205 615-383-0165 615-292-4657 Location