Dr. Mark Doerner is a primary care medical doctor, board certified in internal medicine, providing comprehensive healthcare for adolescents and adults.  Our office is located in Allen, TX across from THR Presbyterian Hospital, serving the residents of Allen, McKinney, Plano, Frisco, and surrounding areas.

  • Same-day appointments available for acute illnesses
  • You always see a board-certified M.D.
  • No long waiting times
  • Most insurance plans accepted
  • Named by D Magazine a Best Doctor in Collin County 2013