Dr. Gregory Muller wearing a white coat and smiling in front of a white backdrop.

Greg Muller, PhD

Appointments: 1-833-882-2737
Fax: 1-512-495-5680
Dell Med Bio Directory: Gregory Muller, PhD


University of Florida School of Psychology, PhD

Centerstone Consortium, Predoctoral Clinical Internship


Fellowship, Psychology, Department of Psychiatry, University of Florida

Biography and Education

Clinical Biography

Greg Muller, PhD, is a licensed psychologist at UT Health Austin’s Mulva Clinic for the Neurosciences. He specializes in obsessive compulsive disorder (OCD) and anxiety disorders. Additionally, Dr. Muller is an assistant professor in the Dell Medical School Department of Psychiatry & Behavioral Sciences.

Dr. Muller completed both his undergraduate and graduate education at the University of Florida. He finished an APA-approved predoctoral internship at Centerstone Consortium in Bradenton, Florida, and completed his postdoctoral fellowship at the University of Florida’s Division of Psychology, where he served as the Chief Postdoctoral Associate and received the Excellence in Peer Supervision Award.

Dr. Muller has clinical experience with children and adults across a continuum of care ranging from school-based to acute inpatient facilities. He has considerable expertise in cognitive-behavioral therapy (CBT) for a variety of psychological disorders and proficiency in educational, psychological, and neuropsychological assessment. Dr. Muller developed a clinical specialty in CBT with exposure at the University of Florida’s Division of Psychology through his work in the anxiety/obsessive-compulsive disorder intensive outpatient program. Dr. Muller has previously participated in UF’s Fear Facers Summer Camp and served as the camp’s Assistant Clinical Coordinator in 2021.

Dr. Muller’s primary interests include clinical research examining factors that impact treatment outcomes in OCD and anxiety disorders, with a focus on the area of improving treatment outcomes for youth and adults with these disorders.

Dr. Muller is a licensed psychologist at UT Health Austin.


  • Anxiety disorders
  • Body dysmorphic disorder (BDD)
  • Hoarding disorder
  • Obsessive-compulsive disorder (OCD)
  • Perfectionism
  • Perinatal OCD
  • Scrupulosity
  • Skin Picking; Tics/Tourette’s
  • Treatment of co-occurring disorders
  • Trichotillomania
  • Violent/sexual obsessions

Awards & Honors

  • Excellence in Peer Supervision Award, University of Florida
  • Chief Postdoctoral Associate, University of Florida



  • UT Health Austin Clinics
    Health Transformation Building
    1601 Trinity Street, Bldg. A
    Austin, TX 78712
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