Cardiac Surgery

Since the beginnings of dedicated cardiac care in Oregon, people have trusted Legacy Heart Services. We continue that legacy today by providing comprehensive, data driven and state of the art care for everyone that needs it, from babies to adults.

Everyday physicians and clinical staff, everyone really at Legacy Heart Services, come to work hoping to make a positive difference in someone’s life. This team effort results in a program that continues to be one of the best and most comprehensive cardiothoracic surgery programs in the Northwest.



Our cardiothoracic surgery services include:

  • Aortic dissections and aneurysm repair (thoracic and abdominal)
  • Bloodless cardiac surgery
  • Cardiac trauma
  • Coronary artery bypass graft (CABG)
  • Extracorporeal membrane oxygenation (ECMO)
  • Endoscopic saphenous vein harvest
  • Laser transmural revascularization
  • Repair of congenital heart defects in adults
  • Resection of cardiac tumors
  • Surgical MAZE procedure for treating atrial fibrillation
  • Valve replacement and repair (robotic, minimally invasive and open)


Our locations

 Legacy Good Samaritan Medical Center
1015 NW 22nd Ave.
Portland, OR 97210
Phone:  503-413-7711
Toll free:  1-800-733-9959
Legacy Emanuel Medical Center
2801 N. Gantenbein
Portland, OR 97227
Phone:  503-413-2200

Our surgeons

Northwest Surgical Division
The Oregon Clinic
2222 NW Lovejoy Street, Suite 315
Portland, OR 97210
Phone:  503-226-6321
Fax:  503-227-3422 
Jonathan Hill, M.D. — cardiothoracic surgeon
John Lemmer, M.D. — cardiothoracic surgeon
Andrew Tsen, M.D. — cardiothoracic surgeon, 
     Medical Director of Cardiac Surgery, Legacy Health

What distinguishes Legacy Heart Services

Bloodless surgery

Established in 1991, Legacy’s Bloodless Surgery and Medicine Program is the first of its kind in the nation. It remains one of the most comprehensive and respected programs in the U.S. Our team has performed more than 200 bloodless cardiac surgery procedures. Learn more about bloodless surgery.

Robotically assisted cardiac surgery

A pioneer in robotics, Legacy had one of Oregon’s first robotically-assisted valve surgeries in 2009. Legacy remains a leader in this technique to minimally invasive cardiac surgery. In appropriately selected patients, Legacy provides robotically assisted CABG, ASD closure and MAZE procedures. Learn more about robotic heart surgery.

Hybrid OR

Legacy Good Samaritan and Legacy Emanuel both have state-of-the-art hybrid operating rooms that allow cardiac surgeons and interventional cardiologists to perform both open and complex minimally invasive procedures in the same room. The advantage is that it reduces surgical time and allows patients to recover faster, with less risk of complications. Different cardiac procedures, previously performed in separate areas, even different floors, are combined into a specialized ‘hybrid’ room for the best-possible patient care.

Pediatrics heart surgery

Providing care in a gracious and comfortable environment, Randall Children’s Hospital never loses sight of the emotional needs of the young patients and families we are privileged to serve. Our pediatric cardiac surgeons have decades of experience and perform some of today’s most complicated open-heart procedures in children with expert care, including the three-stage surgery to treat hypoplastic left heart syndrome. Learn more about our Children’s Heart Program at Randall Children’s Hospital.