John P Lavery MD PA Find A Doctor Directions. John P Lavery MD PA. 997 Raintree Cir Ste 120 Allen, TX 75013 United States (972) 747-0709. Directions. 33.1117668, -96.6795349. Talk to Us. For more information about Southwestern Health Resources or to find out more about our healthcare options. ... Patient Portal (MyChart).