Harpeth Pediatrics is a group practice with 1 location. Currently, Harpeth Pediatrics specializes in Adolescent Medicine, Internal Medicine/Pediatrics and Pediatrics with 7 physicians. Harpeth Pediatrics Office Locations. Harpeth Pediatrics Pllc. 4085 Mallory Ln Ste 204 Franklin, TN 37067 (615) 771-2656..