A Higher Standard
World-renowned vascular surgeon Dr. John Bergan and leading Phlebologist Dr. Nisha Bunke are accelerating progress in vein care. Dr. John Bergan has authored ground-breaking insights using evidence-based research to educate the world on the latest trends and treatments for venous conditions. With more than 700 published articles and 40 medical books, Dr. Bergan blazed a trail of innovation in modern vein care.
Prior to his retirement from clinical practice, Dr. Bergan identified Dr. Bunke as a rising leader in the field. Dr. Bunke along with her co-author Dr. Bergan, have published several book chapters, peer-reviewed journal articles, and medical textbooks.
Featured Books





