Dr. Stephen B. Bartsch

Gabor Varju is a Pulmonary Medicine specialist and a Sleep Medicine provider in Great Falls, Montana. Dr. Varju is rated as a Distinguished provider by MediFind in the treatment of Interstitial Lung Disease. His top areas of expertise are Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), Asthma, and Asthma in Children. Dr. Varju is currently accepting new patients.

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. Dr. Sisk is rated as an Advanced provider by MediFind in the treatment of Interstitial Lung Disease. Her top areas of expertise are Lung Metastases, Pulmonary Veno-Occlusive Disease, Interstitial Lung Disease, and Pulmonary Hypertension.

John Mazur is a Pulmonary Medicine provider in Great Falls, Montana. Dr. Mazur has been practicing medicine for over 39 years and is rated as a Distinguished provider by MediFind in the treatment of Interstitial Lung Disease. His top areas of expertise are Lung Metastases, Sarcoidosis, Atypical Pneumonia, Hospital-Acquired Pneumonia, and Advanced Bronchoscopy.