The 20 Best Unstable Angina Doctors Near Me in Montana, US

Find the Top Unstable Angina Experts and Specialists

The 20 Best Unstable Angina Doctors in Montana, US

Last Updated: 02/22/2026

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MediFind found 28 doctor with experience in Unstable Angina near Montana, US. Of these, 26 are Experienced, 1 are Advanced and 1 are Distinguished.

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28 providers found
    Richard R. Bayer
    Experienced in Unstable Angina
    Experienced in Unstable Angina

    Intermountain Health Heart & Vascular - Downtown Clinic Cardiology

    2900 12th Avenue North, Suite 204E, 
    Billings, MT 
    Experience:
    19+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Born in Mansfield, Ohio, Dr. Bayer earned an undergraduate degree in Molecular Genetics and one in Criminology from The Ohio State University in Columbus. He went on to attend medical school at The Ohio State University College of Medicine and Public Health. After medical school, Dr. Bayer moved to Charleston, where he completed an Internal Medicine internship and residency and a Cardiology fellowship at the Medical University of South Carolina. Board certified in cardiovascular diseases and Echocardiography; Dr. Bayer has advanced training in Cardiac Computed Tomography (CT). Additionally, he has been very active in research with numerous publications in the field of advanced cardiovascular imaging. His clinical interests include general clinical cardiology, preventive cardiac care and cardiovascular imaging.“I am passionate about developing a positive personal relationship with all my patients and helping them live and enjoy their life to their fullest potential.”When not working, Dr. Bayer participates in outdoor activities such as snowboarding, surfing, soccer, and hiking and keeps physically active by running, swimming, biking and working out. He enjoys spending time with his wife, playing with my two sons and three rescue dogs and watching Ohio State sports. Dr. Bayer is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Arrhythmias, Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

    Distinguished in Unstable Angina
    Distinguished in Unstable Angina

    Cmsc LLC

    3000 15th Ave S, 
    Great Falls, MT 
    Experience:
    40+ years
    Languages Spoken:
    English

    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 a Distinguished provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Atrial Septal Defect (ASD), Patent Foramen Ovale, Unstable Angina, Carotid Artery Disease, and Pacemaker Implantation.

    Advanced in Unstable Angina
    Interventional Cardiology
    Advanced in Unstable Angina
    Interventional Cardiology

    Cmsc LLC

    3000 15th Ave S, 
    Great Falls, MT 
    Languages Spoken:
    English

    Jorge Castriz is an Interventional Cardiologist in Great Falls, Montana. Dr. Castriz is rated as an Advanced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Angina, Coronary Heart Disease, Heart Attack, Metabolic Syndrome, and Pacemaker Implantation.

    Learn about our expert tiers
    Experienced in Unstable Angina
    Experienced in Unstable Angina

    Office

    435 S Crystal St Ste 300, 
    Butte, MT 
    Languages Spoken:
    English

    Carlos Albrecht is a Cardiologist in Butte, Montana. Dr. Albrecht is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Angina, Arterial Embolism, Arrhythmias, Sick Sinus Syndrome, and Pacemaker Implantation.

    Experienced in Unstable Angina
    Experienced in Unstable Angina

    Cmsc LLC

    3000 15th Ave S, 
    Great Falls,, MT 
    Languages Spoken:
    English

    Randolph Hutter is a Cardiologist in Great Falls,, Montana. Dr. Hutter is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Atherosclerosis, Coronary Heart Disease, Angina, Atrial Fibrillation, and Pacemaker Implantation.

    Experienced in Unstable Angina
    Interventional Cardiology
    Experienced in Unstable Angina
    Interventional Cardiology
    6 13th Avenue East, 
    Polson, MT 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    James Maddux is an Interventional Cardiologist in Polson, Montana. Dr. Maddux is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Hypertrophic Cardiomyopathy (HCM), Subvalvular Aortic Stenosis, Cardiomyopathy, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR). Dr. Maddux is currently accepting new patients.

    Experienced in Unstable Angina
    Experienced in Unstable Angina

    Cardiology Consultants Of Bozeman PC

    905 Highland Blvd Ste 4330, 
    Bozeman,, MT 
    Languages Spoken:
    English

    Nathaniel Madsen is a Cardiologist in Bozeman,, Montana. Dr. Madsen is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Familial Ventricular Tachycardia, Arrhythmias, Cardiomyopathy, Mitral Valve Regurgitation, and Pacemaker Implantation.

    Experienced in Unstable Angina
    Interventional Cardiology
    Experienced in Unstable Angina
    Interventional Cardiology

    Intermountain Health Heart & Vascular - Butte Cardiac Interpretations

    400 South Clark Street, 
    Butte, MT 
    Experience:
    45+ years
    Languages Spoken:
    English
    Accepting New Patients

    Jay Bitar is an Interventional Cardiologist in Butte, Montana. Dr. Bitar has been practicing medicine for over 45 years and is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Heart Attack, Acute Coronary Syndrome, Apoplexy, and Arterial Embolism. Dr. Bitar is currently accepting new patients.

    Experienced in Unstable Angina
    Experienced in Unstable Angina

    Providence Health & Services Mt

    350 Heritage Way Ste 2100, 
    Kalispell, MT 
    Languages Spoken:
    English

    Robert Mitchell is a Cardiologist in Kalispell, Montana. Dr. Mitchell is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Atrial Fibrillation, Aortic Regurgitation, Arrhythmias, Pediatric Myocarditis, and Pacemaker Implantation.

    Experienced in Unstable Angina
    Cardiology
    Experienced in Unstable Angina
    Cardiology

    Bozeman Health Cardiology Clinic

    937 Highland Blvd Ste 5510, 
    Bozeman, MT 
    Languages Spoken:
    English

    Dane Sobek is a Cardiologist in Bozeman, Montana. Dr. Sobek is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Familial Progressive Cardiac Conduction Defect, Heart Attack, Apoplexy, Arrhythmias, and Pacemaker Implantation.

    Experienced in Unstable Angina
    Interventional Cardiology
    Experienced in Unstable Angina
    Interventional Cardiology
    500 West Broadway Street, Suite 320, 
    Missoula, MT 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Reed is an Interventional Cardiologist in Missoula, Montana. Dr. Reed is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Coronary Heart Disease, Necrosis, Heart Attack, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement. Dr. Reed is currently accepting new patients.

    Experienced in Unstable Angina
    Experienced in Unstable Angina

    Office

    32 Medical Park Dr, 
    Helena, MT 
    Languages Spoken:
    English

    Richard Paustian is a Cardiologist in Helena, Montana. Dr. Paustian is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Angina, Dilated Cardiomyopathy (DCM), and Pacemaker Implantation.

    Experienced in Unstable Angina
    Experienced in Unstable Angina

    Providence Health & Services Mt

    350 Heritage Way Ste 2100, 
    Kalispell,, MT 
    Languages Spoken:
    English

    Nathaniel Hall is a Cardiologist in Kalispell,, Montana. Dr. Hall is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Coronary Heart Disease, Arrhythmias, Sick Sinus Syndrome, Pacemaker Implantation, and Angioplasty.

    Experienced in Unstable Angina
    Cardiology
    Experienced in Unstable Angina
    Cardiology

    Billings Clinic

    801 N 29th St, 
    Billings,, MT 
    Languages Spoken:
    English

    Brian Rah is a Cardiologist in Billings,, Montana. Dr. Rah is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Coronary Heart Disease, Angina, Atherosclerosis, Pacemaker Implantation, and Cardiac Ablation.

    Experienced in Unstable Angina
    Cardiology
    Experienced in Unstable Angina
    Cardiology

    Bozeman Health Cardiology Clinic

    937 Highland Blvd Ste 5510, 
    Bozeman,, MT 
    Languages Spoken:
    English

    Blair Erb is a Cardiologist in Bozeman,, Montana. Dr. Erb is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Endocarditis, Arrhythmias, Familial Ventricular Tachycardia, and Atrial Fibrillation.

    Experienced in Unstable Angina
    Experienced in Unstable Angina

    Benefis Health System East Campus

    1101 26th St S, 
    Great Falls,, MT 
    Languages Spoken:
    English

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

    Experienced in Unstable Angina
    Experienced in Unstable Angina

    Billings Clinic

    801 N 29th St, 
    Billings,, MT 
    Languages Spoken:
    English

    Collin Fischer is a Cardiologist in Billings,, Montana. Dr. Fischer is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Aortic Regurgitation, Pediatric Myocarditis, Vasculitis, Pacemaker Implantation, and Cardiac Ablation.

    Experienced in Unstable Angina
    Experienced in Unstable Angina

    St Vincent Healthcare

    1233 N 30th St, 
    Billings, MT 
    Languages Spoken:
    English

    Sarosh Janjua is a Cardiologist in Billings, Montana. Dr. Janjua is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. Her top areas of expertise are Heart Attack, Apoplexy, Heart Failure, Pulmonary Edema, and Pacemaker Implantation.

    Experienced in Unstable Angina
    Experienced in Unstable Angina

    Intermountain Health Heart & Vascular - Downtown Clinic Cardiology

    2900 12th Avenue North, Suite 204E, 
    Billings, MT 
    Experience:
    42+ years
    Languages Spoken:
    English
    Accepting New Patients

    Douglas Guy is a Cardiologist in Billings, Montana. Dr. Guy has been practicing medicine for over 42 years and is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Atrial Fibrillation, Coronary Heart Disease, Atherosclerosis, Angina, and Pacemaker Implantation. Dr. Guy is currently accepting new patients.

    Experienced in Unstable Angina
    Experienced in Unstable Angina

    St. Peter's Health

    2475 E Broadway St, 
    Helena,, MT 
    Languages Spoken:
    English

    Elizabeth Holper is a Cardiologist in Helena,, Montana. Dr. Holper is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. Her top areas of expertise are Aortic Valve Stenosis, Heart Attack, Coronary Heart Disease, Transcatheter Aortic Valve Replacement (TAVR), and Percutaneous Coronary Intervention (PCI).

    Showing 1-20 of 28

    Last Updated: 02/22/2026

    What is the definition of Unstable Angina?

    Unstable angina is a condition in which your heart doesn't get enough blood flow and oxygen. It may lead to a heart attack.

    Angina is a type of chest discomfort due to poor blood flow through the blood vessels in the heart called the coronary arteries.

    When should I see an Unstable Angina doctor in Montana, US?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing an Unstable Angina doctor in Montana, US?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Unstable Angina doctors in Montana, US?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Unstable Angina doctors in Montana, US?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with an Unstable Angina doctor in Montana, US?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Unstable Angina doctor search results page. 

    Why is it important to get a second opinion from a different Unstable Angina doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with an Unstable Angina doctor in Montana, US?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Unstable Angina doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Unstable Angina doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Unstable Angina doctors in Montana, US?

    Look for the filter feature on the left side of the Unstable Angina doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find an Unstable Angina doctor that offers video calls?

    Look for the filter feature on the left-side of the Unstable Angina doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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