



Providing Exceptional Care
Krista David, MD
Board Certified Psychiatrist
Distinguished Fellow - American Psychiatric Association
Len Lantz, MD
Board Certified Psychiatrist
Distinguished Fellow - American Psychiatric Association
Distinguished Fellow - American Association of Child & Adolescent Psychiatry
Contact Us
Jack Casey Building
2735 Colonial Dr, Suite A
Helena, MT 59601
Telephone: 406-204-2151
Secure Fax: 406-204-2154
Copyright 2025 Big Sky Psychiatry, PLLC


