Dr. John S. Tsakonas, M.D., a graduate of the School of Engineering of Columbia University in New York, received his medical education from the State University of New York at Syracuse. He completed his internal medicine and cardiology training at the George Washington University Hospital, Washington, D.C.
Dr. Tsakonas is certified by the National Board of Medical Examiners, the American Board of Internal Medicine and the Subspecialty Boards of Cardiovascular Disease and cardiac CT angiography.
Dr. John S. Tsakonas, M.D., a graduate of the School of Engineering of Columbia University in New York, received his medical education from the State University of New York at Syracuse. He completed his internal medicine and cardiology training at the George Washington University Hospital, Washington, D.C.
Dr. Tsakonas is certified by the National Board of Medical Examiners, the American Board of Internal Medicine and the Subspecialty Boards of Cardiovascular Disease and cardiac CT angiography.
The reviews listed below were collected independently of Cardiovascular Consultants through rater8. Each review represents an authentic and verified patient experience.
Very nice, knowledgeable & professional
(1 week ago)
Dec-2025
Everything seems to be going along pretty good so far as this was my second appointment. Doctor Tsakonas seems to be pretty patient and listens.
(1 week ago)
Dec-2025
Excellent caring dr
(1 month ago)
Nov-2025
Took his time, was very thorough and totally professional.
(1 month ago)
Nov-2025
Excellent
(1 month ago)
Nov-2025
He is very thorough and caring. I feel I'm in good hands. His office staff is also thorough and caring. I'm glad I found him.
(1 month ago)
Nov-2025
Good Doc!
(2 months ago)
Oct-2025
I appreciated their attention to my concerns. Thankful for the cardiac observations and consultation. Next is stress echo.
(2 months ago)
Oct-2025
Skilled, knowledgeable, kind.
(2 months ago)
Oct-2025
Personable, great bedside manner, very thorough. Staff friendly, on time and efficient.
Dr. John S. Tsakonas, M.D., a graduate of the School of Engineering of Columbia University in New York, received his medical education from the State University of New York at Syracuse. He completed his internal medicine and cardiology training at the George Washington University Hospital, Washington, D.C.
He remained at George Washington as a Clinical Instructor of Medicine completing an extra year of invasive and interventional cardiology. Dr. Tsakonas is an Assistant Clinical Professor at UCLA, and is a member of the Attending Clinical Faculty in Cardiac Catheterization and Intervention at the Wadsworth VA Hospital in Los Angeles.
Dr. Tsakonas is certified by the National Board of Medical Examiners, the American Board of Internal Medicine and the Subspecialty Boards of Cardiovascular Disease and cardiac CT angiography. He is also a Fellow of the American College of Cardiology and Fellow of the Society of Cardiac CT.
Very nice, knowledgeable & professional
Everything seems to be going along pretty good so far as this was my second appointment. Doctor Tsakonas seems to be pretty patient and listens.
Excellent caring dr
Took his time, was very thorough and totally professional.
Excellent
He is very thorough and caring. I feel I'm in good hands. His office staff is also thorough and caring. I'm glad I found him.
Good Doc!
I appreciated their attention to my concerns. Thankful for the cardiac observations and consultation. Next is stress echo.
Skilled, knowledgeable, kind.
Personable, great bedside manner, very thorough. Staff friendly, on time and efficient.