Nathan S. Johnston, D.O.


Dr. Nathan S. Johnston is a private practice psychiatrist that has recently moved to the Northwest area of San Antonio. He completed his psychiatry residency training at the University of Texas Health Science Center San Antonio (UTHSCSA) where he served as the chief resident in his final year of training. Dr. Johnston has been the recipient of multiple national and local awards, has published and presented multiple research projects of his own design, and remains an adjunct faculty member at the UTHSCSA campus where he gives weekly lectures to the psychiatry residents and medical students.

Dr. Johnston’s specialty is the medication management of a plethora of mental health conditions that can be found below. When he is not at the practice, Dr. Johnston enjoys spending time with his family, including his 2 dogs Maverick and Primrose, going to the movies, golfing, surfing the gulf coast, and rooting for the San Antonio Spurs. Go Spurs Go!

Dr. Johnston is well known for his kind and empathic demeanor as well as his exceptional bedside manner. We look forward to working with you and helping you on your journey towards wellness! Please do not hesitate to contact us with any questions.

We are currently accepting NEW PATIENTS and can offer SAME WEEK appointments.

Mental Health Conditions treated by Dr. Johnston:

  • Depression
  • Anxiety
  • Panic Attacks
  • Post-Traumatic Stress Disorder
  • Obsessive Compulsive Disorder
  • Bipolar Disorder
  • Schizophrenia (and other psychotic disorders)
  • ADHD
  • Irritability/Anger Problems
  • Dementia
  • Concussion/Traumatic Brain Injury

*** Dr. Johnston does NOT treat substance use disorders (i.e. alcoholism, opiate addiction, etc.)***