Our Team

The Center for Vein Care includes vascular surgeons, a PhD vascular physiologist, registered vascular technicians, physician assistants, nurse practitioners, and a full administration staff. Each member plays a role in making your care as comfortable, convenient and successful as possible. Our staff will provide you information on your disease and treatment options, manage your insurance claims and referrals, and schedule appointments smoothly and efficiently. 

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Physicians

Antonios P. Gasparis, MD - The Center for Vein Care is led by Antonios P. Gasparis, MD. A board certified vascular surgeon, Dr. Gasparis has been in practice for over 10 years. He is a leader in the field of venous disease recognized for his work as a clinician, researcher and educator. He is the founder and director of the Center for Vein Care since its inception in 2007. He addition to English, Dr Gasparis is also fluent in Greek.  

Angela Kokkosis, MD - Associate Professor of Surgery, is board certified in both vascular surgery and general surgery. Fluent in Spanish and Greek, Dr. Kokkosis clinical interests are all areas of arterial and venous surgery and her special research interest is women with peripheral artery disease (PAD). She serves as the Program Director of Vascular Residency, Director of the Carotid Interventions and the Co-Medical Director of the Non-Invasive Vascular Lab.  

George Koullias, MD, PhD - Associate Professor of Surgery, is board certified in vascular surgery, general surgery and thoracic surgery. His clinical interest are in all areas of arterial and venous surgery. He serves as the Director of the Limb Preservation Center and the Co-Director of the Stony Brook Southampton Wound Center. 

David Landau, MD - Assistant Professor of Surgery, is board certified in both vascular surgery and general surgery. Dr. Landau received his MD from SUNY Upstate Medical Center in 1990 and joined our faculty in the Vascular Surgery Division in 2009. His clinical interest is in all areas of arterial and venous surgery, using both conventional surgical techniques. 

Lucyna Price, MD - Assistant Professor of Surgery, board certified in both vascular surgeon and general surgery.  She is devoted to the lifelong care of her patients and their families from the prevention to the treatment of vascular disease. Dr. Price is dedicated to the highest level of vascular surgery, endovascular therapy, professional education, and clinical research. In addition to English, Dr. Price speaks fluent Polish and Spanish. She serves as the Director of the Stony Brook Hemodialysis Access Center.  

Apostolos Tassiopoulos, MD - A Professor of Surgery, board certified in both vascular surgery and general surgery. He serves as the Department of Surgery Chairman, Chief of the Division of Vascular Surgery, Director of the Vascular Center and Co-Director of the Aortic Center. 

Dimitrios Virvilis, MD - Assistant Professor of Surgery, is board certified in both vascular surgery and general surgery. He comes to Stony Brook with almost a decade of experience and is passionate about caring for his patients in our community. He serves as the Program Director of the Vascular Fellowship.  

Vascular Physiologist

Nicos Labropoulos, PhD, RVT, is a Professor of Surgery and Radiology at Stony Brook and the Director of the Vascular Laboratory. He has a major interest in pathophysiology, diagnosis and treatment of vascular diseases. He has more than 200 publications, has been cited over 7000 times and he has given over 1000 presentations around the world. He has edited 5 vascular textbooks and has contributed over 55 book chapters on the diagnosis and management of vascular diseases. He is a co-founder of the International Vascular Foundation, of the Institute of Vascular Diseases and Venous Health Foundation. Dr. Labropoulos speaks English, Spanish, Portuguese, and Greek.

Physician Assistants and Nurse Practitioners

Kristy Stanfield Physician Assistant

Krystal Esposito Physician Assistant

Doreen Elitharp Nurse Practitioner

Kristan Probeck Nurse Practitioner

Tara Sweeney Nurse Practitioner