DO YOU HAVE A LUNG NODULE?
Contact us today to find out more about our referral process.
Pulmonology & Advanced Lung Care
Helping Montanans Reclaim Every Breath
Breathing should be effortless, but for many people across Montana, lung and respiratory conditions can make everyday life more challenging. At Great Falls Clinic Lung Center, our pulmonology team provides expert diagnosis, advanced treatment, and compassionate care to help you breathe easier.
We serve patients in Great Falls and surrounding Central Montana communities, offering comprehensive pulmonology services supported by leading‑edge technology and a patient‑first approach.
Diagnosing lung cancer earlier
Advanced Technology: Ion Robotic Assisted Bronchoscopy
We proudly offer the Ion robotic‑assisted bronchoscopy, an advanced, minimally invasive technology that detects lung cancer early, improving outcomes.
A result of advanced Ion robotic technology, small lung nodules can now be reached, enabling our pulmonology team to precisely navigate deep into the lungs for accurate biopsy in areas that were previously difficult to access.
Why the ION Matters:
- Minimally invasive lung biopsy procedures
- Greater Precision and Control
- Less discomfort and faster recovery
- Improved access to deep lung nodules
- Lung Cancer Diagnosed Early Leads to Treatment with Better Outcomes
Pulmonary Conditions We Treat
Our pulmonology team provides diagnosis and treatment for a broad range of respiratory and lung conditions, which includes:
Lung Cancer
Screening, Diagnosis, and Management
Airway Diseases
COPD, Asthma, Bronchiectasis
Dyspnea
Shortness of Breath
Abnormal ChestX-rays & CT Scans
Lung Nodules & Masses
Infections
Viral Infections, Pneumonia, Tuberculosis, Fungal Infections
Inflammatory Diseases
Rheumatologic Lung Disease, Hypersensitivity Pneumonitis, Sarcoidosis
Sleep Apnea
Diagnosis & Management
Vascular Diseases
Pulmonary Embolism, Pulmonary Hypertension
Chronic Cough
Interstitial Lung Disease
Pulmonary Fibrosis
Meet Our Pulmonology Team

Megan Sisk, DO
Megan Sisk, DO, is a board-certified pulmonologist at Great Falls Clinic Lung Center who provides comprehensive lung care to patients throughout Central Montana. As part of an effort to expand access to pulmonology care Dr. Sisk leads monthly outreach clinics across Montana in communities, which include Butte, Havre, and Lewistown.
Dr. Sisk is known for her compassionate, patient-centered approach and commitment to thorough, individualized care.
To learn more about Dr. Sisk, tap the image!

Jason Kjono, PA-C
Jason works closely with Dr. Sisk to provide coordinated pulmonology care, diagnostics, and patient education. Patients appreciate his approachable style and dedication to helping them feel informed, supported, and confident in their care plan.
To learn more about Jason, tap the image!
Real Stories from Real Montanans
Patients across Montana trust Great Falls Clinic Lung Center for pulmonology care. Individuals like Nancy, Betty, and Patti share how expert lung care, teamwork, and compassionate providers helped them improve their breathing and regain confidence in their health. Their stories reflect our commitment to personalized care, collaboration, and treating every patient like family.
“She [Dr. Sisk] was so kind and patient with me. We just talked like old friends before I left her office. It’s like going home to me. Everybody knows me; they call me by my first name. I’ve had such a wonderful experience with Great Falls Clinic. I wouldn’t go anywhere else,” shared Betty.
“Every Day, Every Year is a celebration for me. The teamwork has been phenomenal. It is really comforting to know that the professionals on my team know what the other ones are doing and how they are trying to help me,” shared Nancy.
“At the Great Falls Clinic, the team that Jason works with makes it all so easy. From the time you check in, until a nurse comes in to take your vitals, and ask you questions, until you go back and get an appointment; it makes it very easy,” shared Patti.
Watch Testimonial Videos
Don’t Wait. Learn More About Pulmonology Referral Process
We’re here to help. Call (406) 454‑2171 to learn more about pulmonology services, advanced lung diagnostics, or the referral process at Great Falls Clinic Lung Center.
Our Outreach Clinics Across Montana