Currently, Carefree Internal Medicine Pc specializes in Internal Medicine with 1 physician. Carefree Internal Medicine Pc Office Locations. Carefree Internal Medicine Pc. 36800 N Sidewinder Rd Ste A4 Carefree, AZ 85377 (480) 595-0431. Monday : 7:30 AM - 4:30 PM: Tuesday : 7:30 AM - 4:30 PM: Wednesday : 7:30 AM - 4:30 PM:.