Carolyn Rutter is a Radiation Oncologist in Great Falls, Montana. Dr. Rutter is rated as an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). Her top areas of expertise are Lung Cancer, Pleuropulmonary Blastoma, Prostate Cancer, and Familial Prostate Cancer. Dr. Rutter is currently accepting new patients.

Steven Chrzanowski is a primary care provider, practicing in Internal Medicine in Great Falls, Montana. Dr. Chrzanowski is rated as an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and High Cholesterol.

Bryan Martin is an Oncologist in Great Falls, Montana. Dr. Martin is rated as an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). His top areas of expertise are Myelodysplastic Syndrome (MDS), Paget Disease of the Breast, Familial Colorectal Cancer, and Breast Cancer. Dr. Martin is currently accepting new patients.

Leszek Jaszczak is a Radiologist and an Interventional Radiologist in Great Falls, Montana. Dr. Jaszczak is rated as an Advanced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). His top areas of expertise are ALK-Positive Non-Small Cell Lung Cancer, EGFR Positive Lung Cancer, Non-Small Cell Lung Cancer (NSCLC), and Small Cell Lung Cancer (SCLC). Dr. Jaszczak is currently accepting new patients.

Randall Smith is an Interventional Radiologist in Great Falls, Montana. Dr. Smith is rated as an Advanced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). His top areas of expertise are Lung Nodules, Ascites, End-Stage Renal Disease (ESRD), Gastrostomy, and Endoscopy.

Anastasia Balius is an Interventional Radiologist and a Radiologist in Great Falls, Montana. Dr. Balius is rated as an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). Her top areas of expertise are Ascites, Intussusception in Children, Boils, Bone Marrow Aspiration, and Endoscopy.

Andrew Baugh is a Radiologist and an Interventional Radiologist in Great Falls, Montana. Dr. Baugh is rated as an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). His top areas of expertise are Ascites, Febrile Neutropenia, Familial Pancreatic Cancer, Bone Marrow Aspiration, and Endoscopy.

Stephen Bartsch is an Intensive Care Medicine specialist and a Pulmonary Medicine provider in Great Falls, Montana. Dr. Bartsch is rated as an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). His top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Lung Nodules, Lymphofollicular Hyperplasia, and Gastrostomy. Dr. Bartsch is currently accepting new patients.

Gabor Varju is a Pulmonary Medicine specialist and a Sleep Medicine provider in Great Falls, Montana. Dr. Varju is rated as an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). 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.

Sheela Ahmed is a Pulmonary Medicine specialist and an Intensive Care Medicine provider in Great Falls, Montana. Dr. Ahmed is rated as an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). Her top areas of expertise are Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), Lung Nodules, and Excessive Daytime Sleepiness.

Merhala Balasubramaniam is a Pulmonary Medicine provider in Great Falls, Montana. Dr. Balasubramaniam is rated as an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). Her top areas of expertise are Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), Pulmonary Veno-Occlusive Disease, and Long Haul COVID.

Kathleen Blair is a primary care provider, practicing in Internal Medicine in Great Falls, Montana. Dr. Blair is rated as an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). Her top areas of expertise are Shingles, Diabetic Neuropathy, Obesity in Children, and Urinary Incontinence. Dr. Blair is currently accepting new patients.

Patrick Tang is a Hematologist Oncology specialist and an Oncologist in Great Falls, Montana. Dr. Tang is rated as an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). His top areas of expertise are Familial Colorectal Cancer, Lung Cancer, Thrombocytopenia, and Colorectal Cancer. Dr. Tang is currently accepting new patients.

Dr. Warr offers the full complement of hematology and oncology services, specializing primarily in blood disorders and cancer. He has a special interest and actively participates in clinical research and clinical trials. He has maintained active board certification in Internal Medicine, Medical Oncology, Hematology and Hospice and Palliative Medicine. Dr. Warr received his medical degree from Vanderbilt University in Nashville, Tennessee. He completed his residency and chief residency in Internal Medicine and then his fellowship in the hematology and oncology division and the department of medicine at the University of California in San Diego, CA. He has contributed to several publications and abstracts. Dr. Warr practiced hematology and oncology in Great Falls for 21 years, during which time he was also medical director of Peace Hospice of Montana, of the American Red Cross, and of Benefis Cancer Conference. Dr. Warr is rated as an Advanced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). His top areas of expertise are Non-Hodgkin Lymphoma, Pleuropulmonary Blastoma, Lung Cancer, Small Cell Lung Cancer (SCLC), and Bone Marrow Aspiration.

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 an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). His top areas of expertise are Lung Metastases, Sarcoidosis, Atypical Pneumonia, Hospital-Acquired Pneumonia, and Advanced Bronchoscopy.

Dr. Underhill treats both benign and malignant diseases in her Radiation Oncology practice, and has a particular expertise in breast, gynecologic and head and neck cancers. Dr. Underhill received her medical degree from Queen’s University in Kingston, Ontario in 1992. She completed her residency in Radiation Oncology at Queen’s University, and in 1997, went on to complete a fellowship in Brachytherapy at the Memorial Sloan-Kettering Cancer Center in New York, New York. Dr. Underhill started her career in academic medicine in 1998, teaching and doing clinical research; from 1998-2006, she held the academic appointments of Instructor in Radiation Oncology at Jefferson Medical College in Philadelphia, Pennsylvania, and Assistant Professor of Medicine at Dartmouth Medical School in Hanover, New Hampshire. She and her family answered the call of mountains in 2008, and moved to Great Falls in September of that year. Dr. Underhill has now been looking after the good people of northcentral Montana for the past 14 years. When not practicing oncology, Dr. Underhill enjoys downhill skiing, hiking, and backcountry camping with her husband, son and 3 dogs. Dr. Underhill is rated as an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). Her top areas of expertise are Familial Prostate Cancer, Anal Cancer, Pleuropulmonary Blastoma, and Lung Cancer.

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 Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). Her top areas of expertise are Lung Metastases, Pulmonary Veno-Occlusive Disease, Interstitial Lung Disease, and Pulmonary Hypertension.

Dr. Guter specializes in medical oncology, adult blood disorders, solid tumors and all forms of cancer. He has been practicing with the Great Falls Clinic since 1977. Dr. Guter has also been providing outreach oncology for the Fort Harrison VA Hospital since 1981. He actively participates in clinical research studies to help further advance medicine. Dr. Guter received his medical degree at Saint Louis University Medical School in 1968. During his years of service 1968 to 1971, Dr. Guter achieved the rank of Captain as a Medical Officer for the United States Army Reserve. He completed his Fellowship in Medical Oncology at the University of Wisconsin in 1977 and soon after moved to Great Falls to begin his practice. Dr. Guter is married to Dr. Colleen Marron, a pediatrician at the Great Falls Clinic, who he shares two wonderful children with. Dr. Guter is rated as an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Paget Disease of the Breast, and Pleuropulmonary Blastoma.

Dr. Kaae is a medical oncologist and hematologist. She is a Montana native, born and raised in Great Falls, Montana. Dr. Kaae specializes in medical oncology and hematology and her clinical interests include full spectrum of hematology and oncology with a special emphasis on breast and gynecologic malignancies as well as survivorship care. Dr. Kaae received her undergraduate degree from Montana State University in Bozeman, Montana in 2006 and went on to complete her Doctor of Osteopathic Medicine from Touro University in Las Vegas, Nevada in 2013. She completed her internal medicine residency, receiving ‘Intern of the Year’ award in 2014, at Valley Hospital Medical Center in Las Vegas, Nevada in 2015 before going on to complete her fellowship in hematology and oncology at Franciscan St. James in Olympia Fields, Illinois in 2019. After completing her fellowship in 2019, Dr. Kaae accepted a position and moved back to Great Falls, Montana where she has been practicing medical oncology at a local cancer facility before accepting a position at the Great Falls Clinic. In her free time, Dr. Kaae enjoys staying active in Montana’s great outdoors, running, reading, and spending time with family. Dr. Kaae is rated as an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). Her top areas of expertise are Angiosarcoma, Inflammatory Breast Cancer, Paget Disease of the Breast, and Familial Pancreatic Cancer.

Dr. David Anderson is accepting new patients and referrals at the Great Falls Clinic Specialty Center, 3000 15th Avenue South in Great Falls. For more information or to schedule an appointment, please call (406) 454-2171. Dr. Anderson is rated as an Experienced provider by MediFind in the treatment of Non-Small Cell Lung Cancer (NSCLC). His top areas of expertise are Obstructive Sleep Apnea, Hypersensitivity Pneumonitis, Idiopathic Pulmonary Fibrosis, Pulmonary Fibrosis, and Advanced Bronchoscopy.