New York City Vein Doctors

USA Vein Clinics physicians are highly skilled vascular specialists. Below are the profiles of some of our physicians.

Yan Katsnelson, M.D.

Dr. Yan Katsnelson
Dr. Yan Katsnelson is a highly-skilled cardio-vascular surgeon. He completed his training at the Brigham and Women’s Hospital, Harvard Medical School, and served as an attending Cardiovascular and Thoracic Surgeon at the University of Chicago.

Dr. Katsnelson’s clinical interests include minimally-invasive aortic and mitral valve surgery, complex aortic operations, re-operative coronary and valve surgery, and beating-heart (off-pump) bypass surgery. His research interests are in the fields of mitral valve repair and ventricular assist devices. He performs a wide range of vascular and thoracic operation, including the innovative and minimally invasive Endovenous Laser Therapy to treat varicose veins.

Yan Katsnelson, M.D. is the founder of the Chicago Heart Institute and USA Vein Clinics. He is fluent in English, Russian, and Hebrew. He is also a member of the American College of Phlebology and the Society of Thoracic Surgery.

Dr. Yan Katsnelson is an author and co-author of multiple medical scientific publications. Dr. Yan Katsnelson’s publications

Flora Katsnelson, M.D.

Dr. Flora Katsnelson
Dr. Flora Katsnelson, a University of Chicago graduate, who finished her residency at Mount Sinai Medical Center, has been involved in treatment of venous disease since 2005. She is a cofounder of USA Vein Clinics.

Her knowledge, expertise, unique approach and care for her patients make Dr. Flora Katsnelson one of the most respected physicians in the clinic. She is fluent in English, Russian, Ukrainian, Hebrew and conversational Spanish. She is also a member of the Silent Auction Committee of the American College of Phlebology.

Dr. Flora Katsnelson is an author and co-author of many medical and scientific publications. Dr. Flora Katsnelson’s publications

Alexander Gart, MD

Alexander Gart, MD graduated from the Second Moscow Medical Institute in 1984. He continued his post-graduate training in General and Vascular Surgery in Moscow. After arriving to the United States in 1991, Dr. Gart completed his General Surgery Residency at Staten Island University Hospital(New York)and the Vascular Surgery Fellowship in Englewood Hospital (New Jersey).

Dr. Gart is currently the Director of the Clinical Vascular and Endovascular Surgery in Lincoln Hospital Medical Center (Bronx). He joined the New York Presbyterian Hospital Division of Vascular Surgery in 2003 and is Assistant Professor of Surgery at the Columbia University College of Physicians and Surgeons.

Dr. Gart has extensive experience in the management of aortic, carotid, and peripheral vascular diseases. His particular interest is lower extremity distal bypasses to small vessels below knee.  Dr. Gart is member of American Venous Forum and utilizing novice minimally invasive vascular technique for treatment of venous disease.

Dr. Gart performs minimally invasive vascular procedures, such as, angiography, balloon angioplasty, stenting and atherectomy at NewYork Presbyterian Hospital/Weill Cornell Medical Center in a state-of-the-art vascular operating room, as well in the new, fully- equipped minimally invasive procedure suite at Lincoln Hospital.

Dr. Gart is a fellow of American College of Surgeons (FACS) as well as member of Society for Vascular Surgery (SVS).

Sergey Ayzenberg, M.D.

Sergey Ayzenberg M.D. is an Attending Physician in the Division of Cardiology at Maimonides Medical Center. Dr. Ayzenberg performs Interventional procedures, Cardiac Stenting, as well as Non-Invasive stress testing, Echocardiography and Peripheral Vascular Ultrasound. He completed his fellowship in Cardiology and Interventional Cardiology at Maimonides Medical Center. Dr. Ayzenberg is board certified in Internal Medicine, Cardiovascular Disease, Echocardiography, Nuclear Medicine, and Interventional Cardiology. Dr. Ayzenberg is also fluent in Russian.

Gina Louie, M.D.

Dr. Gina Louie, is highly trained in minimally-invasive vascular and non-vascular interventional procedures. She graduated from Stanford Medical School(where she was an American Heart Association Research Fellow), followed by residency training at Mount Sinai Medical Center, and fellowship training at New York Presbyterian Hospital and Memorial Sloan-Kettering Cancer Center. She is the founder of Advanced Vascular Solutions, the first, specialized vein treatment center on the Jersey Shore, since 2005. She is a member of the American College of Phlebology, the Society of Interventional Radiology, and the American Academy of Cosmetic Physicians.

She has performed thousands of minimally-invasive, endovenous laser procedures, as well as the full spectrum of interventional procedures.

Dr. Gina Louie is an author and co-author of multiple medical and scientific publications.