scroll to top of page

Contact Us

Contact Us for Excellence in Cardiology

Thank you for your interest in Cardiology Associates of East Tennessee. We are a leading provider of general and interventional cardiology and electrophysiology in East Tennessee. Contact us today if you need care for your heart. Our expert cardiologists are skilled in the prevention, diagnosis, intervention and treatment of heart disease.

Common Cardiac Conditions Treated:


We want to be your cardiology team. Make an appointment.

For information about the cardiac care at Cardiology Associates of East Tennessee or to request an appointment, call (865) 373-7100. Please call at least 24 hours in advance for appointment cancellations or rescheduling.

Office Hours

Monday-Friday, 8 a.m. – 5 p.m. 

Office Locations

Our main office is located in Knoxville at one of East Tennessee’s premiere hospitals, Parkwest Medical Center. We have additional offices to conveniently provide elite cardiac care throughout the region.

Knoxville Office

9320 Park West Boulevard
Knoxville, TN 37923

John D. Arnett III, MD
Albert R. Blacky, MD
Stephen L. Marietta, MD
Robert P. Martyn, MD
Joseph Petit, MD
Ayaz Rahman, MD
Thomas Wannenburg, MD
Mitchell H. Weiss, MD
Nicholas Peter Xenopoulos, MD

Satellite Offices

Limited services and hours at satellite offices.

Athens Office

1031 West Madison Avenue
Athens, TN 37303

John D. Arnett III, MD
Stephen L. Marietta, MD
Robert P. Martyn, MD
Mitchell H. Weiss, MD
Nicholas Peter Xenopoulos, MD

Crossville Office

49 Cleveland Street, Suite 350
Crossville, TN 38555
(931) 787-1977

Umang Shah, MD

Decatur Office

398 North Main Street
Decatur, TN 37322

Nicholas Peter Xenopoulos, MD

Lenoir City Office

576 Fort Loudoun Medical Center Drive, Suite 200
Lenoir City, TN 37772

Robert P. Martyn, MD
Joseph Petit, MD
Ayaz Rahman, MD
Lekshmi Seemanthini, MD

Oneida Office

8797 Alberta Street
Oneida, TN 37841

Albert R. Blacky, MD