Who We Are

Kathleen Ozsvath, MD, FACS serves on the IAC Vascular Interventional Board of Directors as a representative of the American College of Surgeons (ACS). Dr. Ozsvath is Chief of Surgery at Samaritan Hospital, St Peters Health Partners in Troy, NY, Professor of Surgery at Albany Medical Center in Albany, NY. Dr. Ozsvath earned her medical degree at the University of Texas Southwestern Medical School. She completed her general surgery internship and residency at St. Luke’s Roosevelt Hospital, College of Physicians and Surgeons in New York (now Mount Sinai West), and vascular surgery fellowship at Albany Medical Center in Albany. She is the immediate past President of the Eastern Vascular Society, Secretary on the Executive Board for the American Venous Forum (AVF), Secretary on the Executive Board of the newly formed International Society of Women Vascular Surgeons. Dr. Ozsvath is a published author whose work is found in many respected peer reviewed journals and books. She is also an accomplished speaker and has presented internationally.

Carl Fastabend, MD, FACC, FSCAI, RPVI serves on the IAC Vascular Interventional Board of Directors as a representative of the American Vein and Lymphatic Society (AVLS). Dr. Fastabend earned his medical degree from the Medical College of Virginia, where he also completed his residency in Internal Medicine and Cardiology. He is board certified in Internal Medicine and Cardiovascular Disease and is a diplomate of the American Board of Phlebology, and has the Registered Physician in Vascular Interpretation certification. He is active in the AVLS, serving on the Health Advocacy Committee, and is a member of the American Venous Forum (AVF). Dr. Fastabend founded the Vein Center of Southwest Louisiana in 2011 and has developed a comprehensive vein practice with a special interest in deep venous disease. He is involved in research as well as educating physicians in vein disease and is a frequent speaker at major venous symposia.

Sherry D. Scovell, MD serves on the IAC Vascular Interventional Board of Directors as a representative of the American Vein and Lymphatic Society (AVLS). Dr. Scovell is an assistant professor of surgery at Harvard Medical School and a board-certified vascular and endovascular surgeon at Massachusetts General Hospital where she serves as the medical director. She earned her medical degree from the University of Cincinnati School of Medicine. She completed her surgery residency at Graduate Hospital in Philadelphia and her vascular and endovascular surgery fellowship at the Cleveland Clinic Foundation. Dr. Scovell’s clinical interests include superficial vein thrombosis and superficial venous insufficiency. In addition to AVLS, she is an active member of American Venous Forum (AVF) and Society for Vascular Surgery (SVS). Dr. Scovell has been invited to speak at numerous national vascular society meetings and currently serves on the Editorial Board for the Journal of Vascular Surgery: Venous and Lymphatic Disorders and as an associate editor for author engagement for Phlebology.

Mark Meissner, MD serves on the IAC Vascular Interventional Board of Directors as a representative of the American Venous Forum (AVF). Dr. Meissner is a professor in the Department of Surgery at the University of Washington. Dr. Meisser earned his medical degree from the University of Colorado School of Medicine in 1985. He then completed his residency, his fellowship in Vascular Surgery and his fellowship in Interventional Radiology at the University of Washington. Dr. Meisser’s clinical interests are acute deep venous thrombosis, chronic venous disease and the management of pelvic venous reflux. He is a past president of the AVF and a member of the Society for Vascular Surgery (SVS), the American College of Surgeons (ACS) and the American Vein and Lymphatic Society (AVLS).

Mikel Sadek, MD, FACS serves on the IAC Vascular Interventional Board of Directors as a representative of the American Venous Forum (AVF). Dr. Sadek began his surgical training at NYU Langone, specializing in vascular surgery, treating patients with peripheral arterial disease, a condition affecting blood vessels. The use of minimally invasive techniques inspired Dr. Sadek to research aortic aneurysms, to participate in national meetings and develop a deeper understanding of vascular surgery. He was the Site Chief of Vascular Surgery at Bellevue Hospital and is now the Director of NYU Langone Vein Center. Dr. Sadek has had the opportunity to run a venous didactic course and served on many local, regional and national committees. He was also appointed the Program Director for the Vascular Surgery Residency and Fellowship at NYU Langone Health.

Joann Lohr, MD, FACS, RVT, CWSP serves on the IAC Vascular Interventional Board of Directors as a representative of the Society for Clinical Vascular Surgery (SCVS). Dr. Lohr is a member of the Active Staff at the William Jennings Bryan Dorn VA Medical Center in Columbia South Carolina. She received her M.D. degree from the University of Wisconsin-Madison and has been a Diplomate of the American Board of Surgery since 1991. Dr. Lohr has active credentials in General Surgery, Vascular Surgery and Surgical Critical Care, is a registered vascular technologist and is also certified in wound care. She has served as an Editorial Reviewer for several journals and has published and presented numerous research studies. Dr. Lohr has authored several book chapters about noninvasive vascular imaging and vascular laboratory utilization. She was recently elected to the Intersocietal Accreditation Commission (IAC) Vein Center Board of Directors. She has also been on the IAC vascular testing board. Dr. Lohr has held multiple offices in several national societies and has been on the executive committees for the Society for Vascular Surgery (SVS), American Venous Forum (AVF), Association for Program Directors in Vascular Surgery, International Society of Vascular Women Surgeons and the Society for Clinical Vascular Surgery (SCVS). She has served as president of SCVS and AVF as well as their foundations. She has also served as president of Cincinnati Surgical and the medical staff at Good Samaritan Hospital. She was recently reappointed to the Board of Governors for the American College of Surgeons (ACS). She is a distinguished fellow of the Society of Vascular Surgery and also the American Venous Forum. She has developed an acute inpatient wound care program at Good Samaritan Hospital in Cincinnati and at the Dorn VA. She also previously chaired the credentialing, patient care, medical executive and acute care Committees for Good Samaritan Hospital.

Colleen J. Moore, MD, FACS, RPVI, MHM serves on the IAC Vascular Interventional Board of Directors as a representative of the Society for Clinical Vascular Surgery (SCVS). Dr. Moore is a vascular surgeon with Prairie Cardiovascular Consultants in Springfield, IL. She earned her medical degree from the University of Missouri-Kansas City School of Medicine. Dr. Moore completed two preliminary years in general surgery followed by two categorical years at the Conemaugh Hospital in Johnstown, PA before transferring to the University of Missouri Hospitals and Clinics in Columbia, MO to complete her training. She completed a two-year vascular surgery fellowship at the University of Missouri Hospitals and Clinics. Dr. Moore is a member of the American Venous Forum (AVF) where she was the program chair and currently serves on both the membership and newsletter committees. She is also a member of the Society for Vascular Surgery (SVS) and serves on their coding committee. She has volunteered with the Inteleos corporation to lead the physician’s vascular interpretation examination and now serves on the Inteleos Board of Directors. She also chairs the technology and innovation committee.

Andrew Klein, MD, FACC, FSCAI serves on the IAC Vascular Interventional Board of Directors as a representative of the Society for Vascular Medicine (SVM).

Jacquelyn K. Paige DNP, RN, AGACNP-BC serves on the IAC Vascular Interventional Board of Directors as a representative of the Society for Vascular Nursing (SVN). Prior to becoming a nurse practitioner, Ms. Paige had over a decade’s worth of experience as a registered nurse at a Level II trauma center in the critical care unit and in forensic nursing, specializing in evaluating patients for sexual assault, domestic violence, and physical elder abuse. She joined the Division of Vascular Surgery at Keck Medical Center of USC in 2016 as a registered nurse while pursuing her nurse practitioner education at UCLA. Ms. Paige became a board-certified nurse practitioner in 2017 and went on to receive her Doctor of Nursing Practice with a focus on quality improvement from UCSF in 2023. Ms. Paige is active in the SVN, having recently been published in the 3rd edition of the Scope and Standards of Practice for Vascular Nursing and has served as a volunteer with the American Nurses Credentialing Center (ANCC) as a content expert panelist for the past 5 years. She works with the State of California Board of Registered Nursing as an expert practice consultant. Ms. Paige is a licensed nurse practitioner in California, Nevada, and Hawaii, teaches in pre-licensure nursing programs, and serves as a clinical preceptor for NP students for UCLA and USC. She is active in many Advance Practice Provider committees at Keck.

Meredith Bordelon, BS, RDMS, RVT serves on the IAC Vascular Interventional Board of Directors as a representative of the Society for Vascular Ultrasound (SVU). Ms. Bordelon is a highly experienced and accomplished Advanced Vascular Sonographer with over ten years of expertise in diagnostic medical imaging and a deep commitment to advancing the profession and shaping the future of vascular ultrasound. Ms. Bordelon is a Senior Vascular Ultrasound Specialist in LimFlow/Inari Medical (under Stryker), where she has a pivotal role in supporting clinical trials, training health care providers and staff, and analyzing ultrasound data for breakthrough vascular therapies with the Transcatheter Arterialization of Deep Veins (TADV) procedures. She began her career after earning a Bachelor of Science in Diagnostic Medical Sonography, built upon a strong foundation from her bachelor's degree in Biological Sciences with a concentration in Biomedical Sciences at Colorado State University. In addition to her clinical and leadership roles, Ms. Bordelon is an experienced educator, mentoring sonography students and fellow technologists in anatomy, pathology, ultrasound physics and machine optimization. She is also a skilled presenter and contributor to quality improvement initiatives, ensuring excellence in diagnostic standards and patient care. Ms. Bordelon has extensive hands-on experience with complex vascular procedures, including arterial and venous duplex studies, inoperative assessments, advanced post-surgical evaluations and specialized syndromes such as Nutcracker Syndrome, Median Arcuate Ligament Syndrome and deep venous arterialization (DVA/TADV). With a dynamic blend of clinical skills, research insight and strategic leadership, she is a trusted voice in the ultrasound community and a dedicated advocate for innovation and vascular health.

Domenic A. Zambuto, MD, RPVI serves on the IAC Vascular Interventional Board of Directors as a representative of the Society of Interventional Radiology (SIR). Currently, Dr. Zambuto is a physician and senior medical director with Vein Clinics of America. He is board-certified in vascular and interventional radiology/diagnostic radiology from the American Board of Radiology. He is also an ABVLM diplomate. Prior to joining Vein Clinics of America, he served as Director of Interventional Radiology at Hartford Hospital. Dr. Zambuto received his medical degree from Harvard Medical School and has completed both his residency in diagnostic radiology and a fellowship in vascular interventional radiology at Massachusetts General Hospital. He was Chief Resident in the Department of Radiology and Chief Fellow in Magnetic Resonance Imaging at Massachusetts General Hospital. In addition to SIR, he is an active member of the American College of Phlebology (ACP).

Ramona Gupta, MD, FSIR serves on the IAC Vascular Interventional Board of Directors as a representative of the Society of Interventional Radiology (SIR). Dr. Gupta currently works at Northwestern Memorial Hospital and serves as chief of interventional radiology at the Jesse Brown VA Hospital in Chicago. She received her bachelor’s from Dartmouth College in Hanover, NH and her medical degree from the University of Arkansas for Medical Sciences in Little Rock, AR. After completing her diagnostic radiology residency at Emory University in Atlanta she completed her vascular and interventional radiology fellowship at Northwestern. Dr. Gupta has 15 years of experience and is certified by the American Board of Radiology (ABR) in interventional and diagnostic radiology. She serves on the Venous Clinical Specialty Council for SIR and her clinical interests include superficial venous disease, chronic venous disease and venous ulcers and pelvic venous disease.

Andrey Espinoza, MD, FACC, FSCAI, RPVI serves on the IAC Vascular Interventional Board of Directors as a Member-At-Large. Dr. Espinoza is currently an interventional cardiologist and endovascular specialist at the Advanced Heart and Vascular Institute of Hunterdon (AHVI) in Flemington, NJ. He is currently the director of the AHVI Research Division and the medical director of the Atlantic Vascular Center in Raritan, NJ. He received his medical degree from the Saba University School of Medicine and went on to complete his internship, residency and fellowships at the Medical College of Pennsylvania/Hahnemann University Hospitals and the Drexel University College of Medicine in Philadelphia. He participates in numerous professional societies including the American College of Cardiology (ACC), the Society for Cardiovascular Angiography and Interventions (SCAI), and the American Medical Association (AMA). Dr. Espinoza also serves on the SCAI Carotid Committee, as a member of the Vascular Disease Council, as a manuscript reviewer for Cardiac Catheterization and Interventions and as an editorial advisory board member for Cardiac Interventions Today. He has given numerous presentations at professional society conferences including SCAI and Transcatheter Cardiovascular Therapeutics (TCT) and he has authored and co-authored multiple papers in professional journals including American Journal of Cardiology, Circulation and Catheterization and Cardiovascular Interventions. Dr. Espinoza had made many contributions to the research field by participating in over 50 clinical studies that have led to the development of both FDA approved pharmaceuticals and contemporary technology for the coronary and vascular space.

Deepak Nair, MD, FACS, MS, MHA, RVT serves on the IAC Vascular Interventional Board of Directors as a Member-At-Large. Dr. Nair is Chief of Vascular Surgery, Chair of Vascular Quality Improvement, and Chair of Medical Education at Sarasota Memorial Healthcare in Sarasota, Florida. Dr. Nair has garnered many other professional honors and accolades, including President of the Florida Vascular Society; President of the Florida American College of Surgeons, President of the Sarasota County Medical Society, Governor of the American College of Surgeons, Chair of the Section on Outpatient and Office Based Vascular Care of the Society for Vascular Surgery, and appointed to governing Boards for many different organizations. Dr. Nair grew up in Manhattan where he split time between Public and Parochial schools. He attended the Bronx High School of Science and then graduated magna cum laude from the City College of New York. Dr. Deepak Nair received his medical education at Upstate Medical Center in Syracuse where he was a member of the AOA honors society. Despite the workload of his general surgical residency at Montefiore Medical Center and the Albert Einstein College of Medicine, Dr. Nair was still able to study for and graduate with a Masters in Healthcare Administration as well as Masters of Science in Clinical Research. He also spent two years performing basic science research on colon cancer metastatic disease during this time. Subsequently, he completed a fellowship in Vascular and Endovascular Surgery at Emory University in Atlanta, where he was instrumental in developing Spine technology at the Yerkes Primate Laboratory with Orthopedic surgeons and Venous Valve technology with graduate students at Georgia Tech. Dr. Nair’s clinical skills include all aspects of vascular care including aneurysms, artery disease, vein disease, lymphatic pathology, and photomedicine. He performed the first minimally invasive repair of Thoracic Aortic Aneurysm and Aortic Dissection, respectively, in the area. He has a strong interest in complex vascular problems and laser technology.

Kenneth Rosenfield, MD, MHCDS serves on the IAC Vascular Interventional Board of Directors as a Member-At-Large.

Mary Lally, MS, CAE is the Chief Executive Officer at the Intersocietal Accreditation Commission (IAC). Ms. Lally began her tenure with the IAC in 2007, serving as Director of Accreditation. In this role she has been instrumental in the development and oversight of the IAC’s MRI and CT diagnostic divisions as well as the Carotid Stenting, Cardiac Electrophysiology and Cardiovascular Catheterization therapeutic divisions. Ms. Lally has a unique combined background of clinical expertise and association management experience, possessing both a Master’s degree in Radiation Health Physics as well as the Certified Association Executive (CAE) credential. Before joining the IAC, Ms. Lally gained more than 20 years of clinical, operational and leadership experience, serving as the founding MRI program director at the Johns Hopkins Hospital. In addition, she developed and implemented radiology quality assurance programs with emphasis in the vascular surgery, interventional and cardiology departments at the University of Maryland Hospital. An ARRT-certified MRI Technologist, Ms. Lally is a passionate advocate for quality and safety in imaging.

Laura Humphries, BS, RVT, RPhS joined the IAC in December 2013 and serves as the Director of Accreditation for IAC Vascular Interventional and Carotid Stenting. Her experience includes more than 20 years in the field of peripheral vascular ultrasound. Mrs. Humphries earned her Bachelor of Science degree from Oregon Institute of Technology in Klamath Falls, WA. She is credentialed by the American Registry of Diagnostic Medical Sonography (ARDMS) in Vascular Technology and by Cardiovascular Credentialing International (CCI) as a Registered Phlebology Sonographer. She is an active member of the ARDMS, Society of Vascular Ultrasound (SVU) and CCI.