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Our Team

Meet Our Expert Cardiology Team

The physicians, physician assistants, nurses and administrative professionals at Cardiology Associates of East Tennessee are committed to providing you with excellent care. We are all partners in your care, and we believe that is what has helped shape our reputation as a leading provider of cardiac care in East Tennessee. Thank you for giving us the opportunity to tell you a little more about our cardiology team.


Physicians

Our elite cardiologists combine more than 35 years of experience in general and interventional cardiology, and electrophysiology for the treatment of heart disease and bring advanced technologies and the latest treatments to East Tennessee.

John D. Arnett III, MD
John D. Arnett III, MD

Learn more about John D. Arnett III, MD.

Albert R. Blacky, MD
Albert R. Blacky, MD

Learn more about Albert R. Blacky, MD.

Natalie Bradford, MD
Natalie Bradford, MD

Learn more about Natalie Bradford, MD.

Stephen L. Marietta, MD
Stephen L. Marietta, MD

Learn more about Stephen L. Marietta, MD.

Robert P. Martyn, MD
Robert P. Martyn, MD

Learn more about Robert P. Martyn, MD.

Joseph Petit, MD
Joseph Petit, MD

Learn more about Joseph Petit, MD.

Ayaz Rahman, MD
Ayaz Rahman, MD

Learn more about Ayaz Rahman, MD.

Lekshmi Seemanthini, MD
Lekshmi Seemanthini, MD

Learn more about Lekshmi Seemanthini, MD.

Umang Shah, MD
Umang Shah, MD

Learn more about Umang Shah, MD.

Thomas Wannenburg, MD
Thomas Wannenburg, MD

Learn more about Thomas Wannenburg, MD.

Mitchell H. Weiss, MD
Mitchell H. Weiss, MD

Learn more about Mitchell H. Weiss, MD.

Nicholas Peter Xenopoulos, MD
Nicholas Peter Xenopoulos, MD

Learn more about Nicholas Peter Xenopoulos, MD.

Physician Assistants and Nurse Practitioners

Our physicians are supported by certified physician assistants and nurse practitioners highly trained to deal with the complex problems of a cardiac patient. We treat each patient with respect and efficiency as if the patient were our own family. In addition to our nurses, we have staff available for appointment scheduling, obtaining insurance pre-certifications for testing and surgery, and billing questions and assistance.

Keri P. Fisher, PA-C
Keri P. Fisher, PA-C

Learn more about Keri P. Fisher, PA-C.

Jaan A. Kelly, PA-C
Jaan A. Kelly, PA-C

Learn more about Jaan A. Kelly, PA-C.

Kara N. Neely, PA-C
Kara N. Neely, PA-C

Learn more about Kara N. Neely, PA-C.

Christy Vollmer, PA-C
Christy Vollmer, PA-C

Learn more about Christy Vollmer, PA-C.

Michael T. Fuerst, ACNP-BC
Michael T. Fuerst, ACNP-BC

Learn more about Michael T. Fuerst, ACNP-BC.

Jeffrey Glasgow, NP
Jeffrey Glasgow, NP

Learn more about Jeffrey Glasgow, NP.

M. Beth Johnson, APN
M. Beth Johnson, APN

Learn more about M. Beth Johnson, APN