Hesham Hazin is a Hematologist Oncology specialist and an Oncologist in Great Falls, Montana. Dr. Hazin is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Inflammatory Breast Cancer, Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, and Bone Marrow Aspiration. Dr. Hazin is currently accepting new patients.

Thomas Addison is a primary care provider, practicing in Geriatrics and Internal Medicine in Great Falls, Montana. Dr. Addison is rated as an Advanced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Idiopathic Edema, Generalized Tonic-Clonic Seizure, Trichohepatoenteric Syndrome, and Anemia. Dr. Addison is currently accepting new patients.

Joseph Lee is a primary care provider, practicing in Family Medicine in Great Falls, Montana. Dr. Lee is rated as an Advanced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Chronic Pain, Obesity, Obesity in Children, Lung Metastases, and Parathyroidectomy. Dr. Lee 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 Pulmonary Embolism. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and High Cholesterol.

Patrick Tang is a Hematologist Oncology specialist and an Oncologist in Great Falls, Montana. Dr. Tang is rated as an Advanced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Familial Colorectal Cancer, Lung Cancer, Thrombocytopenia, and Colorectal Cancer. Dr. Tang is currently accepting new patients.

Melchisedek Margaris is a primary care provider, practicing in Family Medicine in Great Falls, Montana. Dr. Margaris is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Sepsis, Low Sodium Level, Low Potassium Level, Endoscopy, and Ureteroscopy. Dr. Margaris is currently accepting new patients.

Michael Eisenhauer is a Cardiologist in Great Falls,, Montana. Dr. Eisenhauer is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Heart Attack, Apoplexy, Angina, Atherosclerosis, and Pacemaker Implantation.

Hanna Konarzewska is a Cardiologist and a Cardiac Electrophysiologist in Great Falls, Montana. Dr. Konarzewska is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. Her top areas of expertise are Postural Orthostatic Tachycardia Syndrome (POTS), Short QT Syndrome, Brugada Syndrome, Fainting, and Pacemaker Implantation.

Charles Marler is a primary care provider, practicing in Family Medicine in Great Falls, Montana. Dr. Marler is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Myelodysplastic Syndrome (MDS), Lung Cancer, Chronic Obstructive Pulmonary Disease (COPD), and Lung Metastases. Dr. Marler is currently accepting new patients.

Daniel Gordon is a primary care provider, practicing in Family Medicine in Great Falls, Montana. Dr. Gordon is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Relapsing Multiple Sclerosis (RMS), Lung Cancer, Alzheimer's Disease, and Orthostatic Hypotension. Dr. Gordon is currently accepting new patients.

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 Pulmonary Embolism. Her top areas of expertise are Shingles, Diabetic Neuropathy, Obesity in Children, and Urinary Incontinence. Dr. Blair is currently accepting new patients.

Lisa Cadwell is a primary care provider, practicing in Family Medicine in Great Falls, Montana. Dr. Cadwell is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. Her top areas of expertise are Generalized Tonic-Clonic Seizure, Relapsing Multiple Sclerosis (RMS), Hypothyroidism, and Dementia. Dr. Cadwell is currently accepting new patients.

Sumaiya Mahboob is a primary care provider, practicing in Internal Medicine in Great Falls, Montana. Dr. Mahboob is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. Her top areas of expertise are Low Sodium Level, Low Potassium Level, Gitelman Syndrome, Cerebral Hypoxia, and Endoscopy.

Marcella Barker is a primary care provider, practicing in Family Medicine in Great Falls, Montana. Dr. Barker is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. Her top areas of expertise are Shingles, Vertigo, Chronic Cough, and Asthma. Dr. Barker is currently accepting new patients.

Kevin Mccrea is a primary care provider, practicing in Family Medicine in Great Falls, Montana. Dr. Mccrea is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Type 1 Diabetes (T1D), Chronic Kidney Disease, End-Stage Renal Disease (ESRD), and Type 2 Diabetes (T2D). Dr. Mccrea is currently accepting new patients.

Bradford Bergman is a primary care provider, practicing in Internal Medicine in Great Falls, Montana. Dr. Bergman is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Thin Basement Membrane Nephropathy. Dr. Bergman is currently accepting new patients.

Jennifer Carter is a Hematologist Oncology specialist and a Hematologist in Great Falls, Montana. Dr. Carter is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. Her top areas of expertise are Angiosarcoma, Paget Disease of the Breast, Pleuropulmonary Blastoma, and Inflammatory Breast Cancer.

Dr. Jorge (pronounced “George”) Castriz is a board certified interventional cardiologist. Dr. Castriz offers the full complement of cardiology services including arterial catheterization, biventricular pacing, temporary pacemakers, conventional and stress echocardiography as well as exercise and pharmacologic stress testing. He also brings his expertise in all aspects of peripheral angiography and coronary angioplasty (AAA endovascular stent grafts, renal artery stents, angioplasty, DCA, rotablator, brachytherapy, IVUS and physiologic lesion assessment). Dr. Castriz is board certified in Internal Medicine, Cardiovascular Diseases and Interventional Cardiology and is a fellow of the American College of Cardiology. Prior to joining the Great Falls Clinic in 2013, Dr. Castriz maintained an active practice with the Cardiovascular Medical Specialists of the Palm Beaches in Jupiter, Florida. Prior to that, Dr. Castriz owned a private practice in Palm Beach Gardens, Florida for nine years. Dr. Castriz received his medical degree from the University Central Del Este in the Dominican Republic. He completed his internship and residency in Internal Medicine, and his fellowship in Interventional Cardiology at the University of Oklahoma Health Science Center in Oklahoma City, OK. Dr. Castriz is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Angina, Coronary Heart Disease, Heart Attack, Metabolic Syndrome, and Pacemaker Implantation.

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 Pulmonary Embolism. Her top areas of expertise are Angiosarcoma, Inflammatory Breast Cancer, Paget Disease of the Breast, and Familial Pancreatic Cancer.

Dr. Ritchie offers the full complement of cardiology services including arterial catheterization; temporary pacemakers; conventional and stress echocardiography, transesophageal echocardiography as well as exercise and pharmacologic stress testing. He also brings his expertise in all aspects of coronary angioplasty, including structural heart disease such as closure of atrial septal defects, balloon valvuloplasties; and peripheral angiography (AAA endovascular stent grafts, renal artery stents), DCA, rotablator, brachytherapy, IVUS and physiologic lesion assessment. Dr. Ritchie is board certified in Internal Medicine, Cardiovascular Diseases and Interventional Cardiology. Dr. Ritchie completed his undergraduate work at the University of Evansville, where he played baseball for three years. He attended medical school at Indiana University, where he graduated with highest honors in 1986. He then went on to complete his residency at Case Western Reserve School of Medicine in Cleveland in 1989. From there, he went on to complete his fellowship at Washington University in Saint Louis, where he performed clinical rotations while receiving interventional training. In his spare time Dr. Ritchie enjoys hiking, fishing, hunting, biking and spending time with friends and family. Dr. Ritchie is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Atrial Septal Defect (ASD), Patent Foramen Ovale, Unstable Angina, Carotid Artery Disease, and Pacemaker Implantation.