Megan Sisk, DO


(406) 454-2171

Accepting New Patients

Schedule an Appointment


Megan, DO

Dr. Sisk is accepting new patients and referrals at the Great Falls Specialty Center, 3000 15th Avenue South in Great Falls. For more information, please call 406-454-2171.

“Megan Sisk, DO, is a breath of fresh air in the medical profession. She listened to me, asked good pertinent questions, and set up further scans to troubleshoot my health problem(s). She made me feel as though she really cared about my health and wanted to get to the source of my health issue(s). In addition, Megan is pleasantly professional and upbeat.” – Robert, Current Patient

Dr. Sisk is an experienced pulmonologist who has provided pulmonary care since 2018. Dr. Sisk has a special interest in bridging urban and rural healthcare access.

In 2004, Dr. Sisk earned her Bachelor’s of Science in Biology from Missouri Western State University. Dr. Sisk graduated with her Doctor of Osteopathy in 2011 from Kansas City University of Medicine. Dr. Sisk completed her Pulmonary Critical Care Fellowship in 2018. She continued her education with a Masters of Healthcare Administration from Virginia Commonwealth University in 2019.

After completing her medical degree, Dr. Sisk worked as a nocturnal hospitalist. Dr. Sisk has participated in many medical missions in developing countries to establish and provide care in rural communities. Before joining the Great Falls Clinic team, she was a pulmonary/critical care physician in Colorado, a physician assistant program instructor and a medical director for a nonprofit located in Mozambique, Africa.

In her spare time, Dr. Sisk enjoys spending time in nature including hiking, camping, fishing and exploring, always with a canine sidekick. She loves international travel, hosting friends and family for good food and golf.


Great Falls Clinic Specialty Center
3000 15th Avenue South
Great Falls, MT 59405
(406) 454-2171


  • Pulmonology
  • Asthma
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Chronic Cough
  • Idiopathic Pulmonary Fibrosis
  • Interstitial Lung Disease
  • Lung Mass / Lung Cancer
  • Nonresolving Pneumonia
  • Pulmonary Hypertension
  • ALS / Home Vent Management


  • Missouri Western State University, Bachelor's of Science in Biology, St. Joseph, Missouri, 2004
  • Kansas City University of Medicine, Doctor of Osteopathy, Kansas City, Missouri, 2011
  • Virginia Commonwealth University, Masters of Healthcare Administration, Richmond, Virginia, 2019
  • Internal Medicine Residency, Providence Portland Medical Center, 2014
  • Pulmonary Critical Care Fellowship, Medical College of Virginia, 2018