Despite their best efforts, UW Medicine has not yet been able to reach fair and sustainable agreements with Aetna that ensure continued access to care and are in the best interests of patients. Effective June 1, 2025, UW Medicine’s contracts with Aetna for Medicare Advantage and Commercial services have expired and we are now out of network with Aetna. Learn more about what this means for you and what you should do next.

Cardiopulmonary Diagnostic Testing

Main Hospital, 1st Floor
400 South 43rd Street
Renton WA 98055

This location offers cardiac stress testing, echocardiography, electrocardiogram/EKG, bubble studies, transesophageal echo (TEE) and transthoracic echo (TTE).

Main Hospital, 1st Floor
400 South 43rd Street
Renton, WA 98055


Monday - Friday, 7 AM - 6 PM
Saturday - Sunday, Closed

Fax: 425.690.9541