RMTC - Key Persons


April Nix

Job Titles:
  • Treatment Assistant

Barry Blenis

Job Titles:
  • Executive Staff

Barry Dardis

Job Titles:
  • Member of the Board

Benjamin Vandeventer

Job Titles:
  • Admissions Coordinator

Brianna Grismer

Job Titles:
  • Treatment Assistant

Brooke Benson

Job Titles:
  • Licensed Addictions Counselor

Cheryl Voeller

Job Titles:
  • Administrative Supervisor

Dr. Brice Addison

Job Titles:
  • Medical Director
Dr. Addison attended Mayo Medical School and Mayo Clinic Graduate School of Medicine. He is board certified in internal medicine and addiction. Dr. Addison has worked in long-term care since 1984. He is also a member of the Great Falls Symphonic Choir and the American College of Physicians. When he has free time, he enjoys skiing, hiking, mountain biking, bicycling, opera and the symphony.

Dustin Dickey

Job Titles:
  • Treatment Assistant

Jacque Kost

Job Titles:
  • Case Manager

Jamie Peterson

Job Titles:
  • Licensed Practical Nurse

Jeff Quackenbush

Job Titles:
  • Administrator

Jennie Pacot

Job Titles:
  • Treatment Assistant

Joe Clampitt

Job Titles:
  • Treatment Assistant

John Johns

Job Titles:
  • Clinical Director

John Zollinger

Job Titles:
  • Treatment Assistant

Justin Warneke

Job Titles:
  • Equine Program Manager

Kasey Godfrey

Job Titles:
  • Treatment Assistant

Kelly Wichman

Job Titles:
  • Nursing Supervisor

LaDonna Loney

Job Titles:
  • Administrative Assistant
  • Outreach Coordinator

Leanna Darko

Job Titles:
  • Treatment Assistant

Marcie Dardis

Job Titles:
  • Member of the Board

Mary Gray

Job Titles:
  • Family Nurse Practitioner
Mary Gray is a Family Nurse Practitioner in Great Falls, Montana. She graduated with honors in 1988, and has more than 29 years of diverse healthcare experience. Mary is affiliated with many hospitals; including Benefis Hospitals Inc. and Great Falls Clinic Hospital, and cooperates with a variety of doctors and other providers. Mary provides invaluable medical evaluation and treatment services to the clients at Rocky Mountain.

Michele Saubak

Job Titles:
  • Administrative Assistant to the Clinical Director

Renee Quackenbush

Job Titles:
  • Bookkeeper

Rich Conrad

Job Titles:
  • Lead Treatment Assistant

Steve Messman

Job Titles:
  • Maintenance

Steve Sadowsky

Job Titles:
  • Admissions Coordinator

Todd Bruck

Job Titles:
  • Kitchen Supervisor