Meet our physicians

Stephanie Schaefer, MD

  • BS Texas A&M
  • MD UT Southwestern Medical School
  • Residency UT Health Science Center, San Antonio
  • Board Eligible
  • Languages- English

Cristina Simpson, MD

  • BA Austin College
  • MD University of Oklahoma College of Medicine
  • Residency UT Health Science Center, San Antonio
  • Languages - English and Spanish
  • Board Certified

 ​Alka Arya-DeGaetano, DO​

  • BS University of Maryland
  • DO New York College of Osteopathic Medicine
  • Board Certified
  • Languages - English and Hindi


Ricardo Munoz, MD

  • BA Incarnate Word
  • MD Meharry Medical College
  • Board Certified
  • Languages - English

Heather Williams, MD

  • BS University of Miami

  • MD University of Miami

  • Residency University of Miami/ Jackson Memorial Hospital

  • Board Certified

  • Languages - English​, Elementary Spanish