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Our Heart Care Team

Heart and vascular conditions require specialized knowledge to treat. You may receive care from our award-winning surgical teams, cardiologists, nurses with special training in heart care, rehab specialists and patient experience navigators.

General cardiologist

Cardiologists treat a wide range of problems that affect your heart and blood vessels. They are usually the first doctor you see after being diagnosed with a heart-related condition. Depending on the diagnosis, your cardiologist may refer you to an even more specialized cardiologist.

Interventional cardiologist

Our interventional cardiologists specialize in minimally invasive procedures to treat heart or heart valve disease. Our interventionists perform procedures such as:

  • Angioplasty – Technique in which a small, thin, flexible tube called a catheter is inserted into the artery to widen it
  • Stenting – Inserting a small, wire mesh tube into a diseased coronary artery to hold it open
  • Transcatheter aortic valve replacement (TAVR) – Technique in which a catheter is used to place a mechanical valve in the place of a damaged aortic valve

Electrophysiologist

This doctor has advanced training in diagnosing and treating abnormal heart rhythms. Electrophysiologists determine whether you are at risk for cardiac arrest by completing diagnostic testing such as:

  • Electrophysiology study – Sends signals to the heart to see if you develop a rapid heartbeat
  • Electrocardiogram (EKG or ECG) – Monitors the heart’s electrical activity and translates it into line tracings on paper

Cardiac and vascular surgeons

A cardiac surgeon focuses on heart bypass surgery or other types of open-heart surgery while vascular surgeons are trained to operate on blood vessels that are related or connected to the heart, but outside of it.

More about heart surgery.

More about vascular surgery.

Cardiac rehab team

Your cardiac rehabilitation team may be composed of one or more of the following:

  • Counselor
  • Dietitian
  • Exercise physiologist
  • Physical therapist
  • Registered nurse
  • Respiratory therapist

Joseph C Apostol, MD

Specialties: Cardiovascular Disease
Primary Location:
Cardiovascular Consultants of Montana
1101 N 27th St Ste F
Billings, MT 59101-0101
Phone: (406)325-5555
Fax: (406)325-5556
Accepting New Patients Yes

Holly E Brehm, PA

Specialties: Cardiovascular Disease
Primary Location:
Montana Heart Institute St Vincent Healthcare
2900 12th Ave N Ste 204E
Billings, MT 59101
Phone: (406)237-5001
Fax: (406)237-5010
Accepting New Patients Yes
MyChart Provider Yes

Kevin Bruen, MD

Specialties: Surgery, Vascular
Primary Location:
SVP Heart and Vascular Center
2900 12th Ave N Ste 400E
Billings, MT 59101
Phone: (406)238-6820
Fax: (406)238-6838
Accepting New Patients Yes
MyChart Provider Yes

Michelle Ellis, MD

Specialties: Surgery, Thoracic and Cardiac
Primary Location:
SVP Heart and Vascular Center
2900 12th Ave N Ste 400E
Billings, MT 59101
Phone: (406)238-6820
Fax: (406)238-6838
Accepting New Patients Yes
MyChart Provider Yes

Gregory P Hubbs, NP

Specialties: Cardiovascular Disease
Primary Location:
Montana Heart Institute St Vincent Healthcare
2900 12th Ave N Ste 204E
Billings, MT 59101
Phone: (406)237-5001
Fax: (406)237-5010
Accepting New Patients Yes
MyChart Provider Yes

Sarosh A Janjua, MD

Specialties: Cardiovascular Disease
Primary Location:
Montana Heart Institute St Vincent Healthcare
2900 12th Ave N Ste 204E
Billings, MT 59101
Phone: (406)237-5001
Fax: (406)237-5010
Accepting New Patients Yes
MyChart Provider Yes

Buup J Kim, MD

Specialties: Surgery, Thoracic and Cardiac
Primary Location:
SVP Heart and Vascular Center
2900 12th Ave N Ste 400E
Billings, MT 59101
Phone: (406)238-6820
Fax: (406)238-6838
Accepting New Patients Yes
MyChart Provider Yes

William D Knopf, MD

Specialties: Cardiovascular Disease, Interventional Cardiology
Primary Location:
Montana Heart Institute St Vincent Healthcare
2900 12th Ave N Ste 204E
Billings, MT 59101
Phone: (406)237-5001
Fax: (406)237-5010
Accepting New Patients Yes
MyChart Provider Yes

Jennifer K Koffler, PA

Specialties: Surgery, Vascular, Surgery, Thoracic and Cardiac, Surgery, Thoracic
Primary Location:
SVP Heart and Vascular Center
2900 12th Ave N Ste 400E
Billings, MT 59101
Phone: (406)238-6820
Fax: (406)238-6838
Accepting New Patients Yes
MyChart Provider Yes

James J Morris, MD

Specialties: Surgery, Thoracic and Cardiac
Primary Location:
SVP Heart and Vascular Center
2900 12th Ave N Ste 400E
Billings, MT 59101
Phone: (406)238-6820
Fax: (406)238-6838
Accepting New Patients Yes
MyChart Provider Yes

Arne M Olsen, MD

Specialties: Surgery, Vascular
Primary Location:
SVP Heart and Vascular Center
2900 12th Ave N Ste 400E
Billings, MT 59101
Phone: (406)238-6820
Fax: (406)238-6838
Accepting New Patients Yes
MyChart Provider Yes

Janice Ostermiller, NP

Specialties: Cardiovascular Disease
Primary Location:
Montana Heart Institute St Vincent Healthcare
2900 12th Ave N Ste 204E
Billings, MT 59101
Phone: (406)237-5001
Fax: (406)237-5010
Accepting New Patients Yes
MyChart Provider Yes

Ifad U Rahman, MD

Specialties: Cardiovascular Disease
Primary Location:
Montana Heart Institute St Vincent Healthcare
2900 12th Ave N Ste 204E
Billings, MT 59101
Phone: (406)237-5001
Fax: (406)237-5010
Accepting New Patients Yes
MyChart Provider Yes

Anastasios P Saliaris, MD

Specialties: Cardiovascular Disease, Clinical Cardiac Electrophysiology
Primary Location:
Montana Heart Institute St Vincent Healthcare
2900 12th Ave N Ste 204E
Billings, MT 59101
Phone: (406)237-5001
Fax: (406)237-5010
Accepting New Patients Yes
MyChart Provider Yes

Robert T Terry, MD

Specialties: Cardiovascular Disease
Primary Location:
Montana Heart Institute St Vincent Healthcare
2900 12th Ave N Ste 204E
Billings, MT 59101
Phone: (406)237-5001
Fax: (406)237-5010
Accepting New Patients Yes
MyChart Provider Yes

Mary Tucker, PA

Specialties: Cardiovascular Disease
Primary Location:
Cardiovascular Consultants of Montana
1101 N 27th St Ste F
Billings, MT 59101-0101
Phone: (406)325-5555
Fax: (406)325-5556
Accepting New Patients Yes

Dustin G Wondercheck, PA

Specialties: Surgery, Thoracic and Cardiac
Primary Location:
SVP Heart and Vascular Center
2900 12th Ave N Ste 400E
Billings, MT 59101
Phone: (406)238-6820
Fax: (406)238-6838
Accepting New Patients Yes
MyChart Provider Yes

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