Jill P. Heffernan, M.D. 5236 W. University Dr.Suite 1000McKinney, TX, 75071 View Phone 972-542-8609 Fax: 972-542-8613 5236 W. University Dr., Suite 1000McKinney, TX 75071 View Website Experience & Reliability About Connect with this Business: Send to My Email Send to My Phone Print this Page