• Mood disorders
  • Schizophrenia (stable) / Psychosis
  • Hallucinations / Delusions
  • Schizoaffective disorder (stable)
  • Posttraumatic stress disorder / PTSD
  • Obsessive compulsive disorder / OCD
  • Personality disorders
  • School problems
  • Bipolar disorder / Manic depression
  • Attention deficit hyperactivity disorder / ADHD
  • Oppositional defiant disorder / ODD
  • Insomnia / Sleep disorders
  • Anxiety
  • Depression
  • Panic attacks
  • Phobias

Providing compassionate and effective outpatient treatment for adult, child and family mental health concerns including:


Big Sky Psychiatry, PLLC

2620 Colonial Dr, Suite B

Helena, Montana 59601

406-204-2151

Krista David MD

  • Board Certified General Psychiatrist

Leonard Lantz MD

  • Board Certified General Psychiatrist
  • Board Certified Child and Adolescent Psychiatrist