David Maziarz, MD

location phone (605) 312-2100
David  Maziarz, MD - Cardiovascular Surgery

Accepting New Patients


Undergraduate School
Duke University (Durham, NC)
Medical School
New Jersey Medical School (Newark, NJ)
General Surgery: East Carolina University (Greenville, NC)
Cardiothoracic Surgery: Wake Forest University Baptist Medical Center (Winston-Salem, NC)
Pitt Country Memorial Hospital (Greenville, NC)
American Board of Thoracic Surgery
American Board of Surgery

Areas of Expertise

Aortic root replacement, mitral valve repair, coronary artery bypass, robotics and minimally invasive approaches to cardiac and thoracic surgery including endoscopic vein harvesting.

Philosophy of Care

Dr. Maziarz believes in providing the best care for patients needing bypass and valvular heart surgery as well as general thoracic surgery, using smaller incisions and minimally invasive techniques to help shorten the road to recovery.

Unique Medical Experience and Research

View current Sanford Heart clinical trials here.
Clinical Assistant Professor, University of South Dakota Sanford School of Medicine
Society of Thoracic Surgeons, American College of Surgery member, South Dakota Medical Association

Languages Spoken


Hobbies and Personal Interests

Dr. Maziarz is married to a fellow physician. They have two children. In his free time, Dr. Maziarz enjoys skiing, scuba diving and hiking.
Primary Practice Location

Sanford Cardiac, Thoracic & Vascular Surgery Clinic

1301 W 18th Street
Sioux Falls, SD 57105
Get Directions


M–F: 8:00 AM–5:00 PM



(605) 312-2100
(888) 269-3800


(605) 312-2101
Additional Practice Locations

Sanford Heart Hospital Sioux Falls

1301 W 18th Street
Sioux Falls, SD 57105
Get Directions


(605) 333-1000