Stephen Sigmund, M.D., FACP, Inc. Share: Medical Stephen Sigmund, M.D., FACP, Inc. 1310 Las Tablas, Suite 102 Templeton, California 93465 (805) 434-0729 About Map About Internal medicine practice in Templeton since 1995. Dr. Sigmund is board certified and a fellow in internal medicine with the American College of Physicians. His practice accepts Medicare assignment What's Nearby? Distance: 5 10 15 20 25 50 mi.