Carolyn Phuong Thai, DO

Tamim Nazif, MD, is the Director of Clinical Research for Columbia Interventional Cardiovascular Care, the Director of the Interventional Cardiology Fellowship Program, and an Associate Professor of Medicine at Columbia University Irving Medical Center. He specializes in interventional cardiology and the treatment of heart valve disease. Dr. Nazif received his medical degree from Columbia University College of Physicians and Surgeons. He completed his residency in internal medicine at the University of California, San Francisco. He then completed fellowships in interventional cardiology and structural heart disease at Columbia University Irving Medical Center.

Dr. Wiechmann is a board certified surgeon specializing in breast cancer, who was recognized with honors by the Breast Cancer Alliance, the Susan G. Komen for the Cure foundation and the Society of Surgical Oncology. Dr. Wiechmann's dedication to patient-driven, personalized care has earned many awards. These include the “Faces of Respect” Award at Montefiore Medical Center (2011-2013) and the Greenwich Hospital Quality Award (2015). Her peers recently selected Dr Wiechmann as a Castle Connolly Top Doctor, a nationally ranked service whose mission is to help consumers find the best healthcare; she has been listed in the “Guide to America’s Top Surgeons” for the past 3 years. Dr. Wiechmann is a breast surgeon with over 10 years of experience at the Comprehensive Breast Center of the Herbert Irving Comprehensive Cancer Center at NewYork-Presbyterian/Columbia, a multi-site, multi-disciplinary entity that incorporates the legacy of innovation and trust associated with the Columbia University Irving Medical Center. She works closely with a multi-disciplinary team including radiologists, medical oncologists, radiation oncologists, plastic surgeons and other breast cancer support staff. Her goal is to make patient and family experience as simple, thorough, and streamlined as possible. Dr Wiechmann approaches each patient in a personal, kind, and compassionate way and believes in shared decision-making and teamwork. She speaks English, Spanish, and Italian fluently and can conduct the consultation in any of those languages. In the clinic, Dr. Wiechmann's interests include triple negative breast cancer (ER, PR, and HER2 negative), the genetic and familial predisposition to breast cancer, and disparities in cancer treatment and outcomes. Dr Wiechmann, who was born and raised in Florence, Italy, received her medical degree Magna Cum Laude at Universita' Degli Studi Di Firenze Facolta' Di Medicina e Chirurgia in Florence, Italy. She completed a General Surgery Residency at TUFTS, St. Elizabeth's Medical Center in Boston followed by a research fellowship in the prestigious laboratory of Dr Kent Osborne and Dr Rachel Schiff, at the Lester and Sue Smith Breast Center of the Dan L. Duncan Cancer Center at Baylor College of Medicine, in Houston, Texas. At Baylor, her research focused on the preclinical development of therapies targeting the HER2 receptor; her work was recognized by Komen/AACR. Dr Wiechmann’s work has been published in many surgical and the Breast Cancer Alliance, the Susan G. Komen for the Cure foundation and the Society of Surgical Oncology have repeatedly recognized oncology publications and her with awards for her research and scholarship. After completing her research at Baylor, Dr Wiechmann was the recipient of the Breast Cancer Alliance award that funded her clinical fellowship at Memorial Sloan-Kettering Cancer Center, which led to her participation in the prestigious ASCO/AACR (American Society for Clinical Oncology/American Association for Cancer Research) course, Methods in Clinical Cancer Research.

Dr. Dionigi is a double board certified colon and rectal surgeon with a specific interest and expertise in colon and rectal cancer, polyposis syndromes, re-operative colorectal surgery, as well as robotic and minimally invasive procedures. Dr. Dionigi obtained her medical degree with highest honors from the University of Pavia, Italy. After a surgical internship at NewYork-Presbyterian/Weill Cornell Medical Center in New York, she completed her general surgery residency at the Brigham and Women’s Hospital Harvard Medical School in Boston. During this time, she also did a two-year translational research fellowship related to mesenchymal stem cells at Boston Children Hospital. She then completed a colon and rectal surgery fellowship at the Salvati Fellowship Program at Rutgers Robert Wood Johnson in New Jersey, followed by two years of advanced training in complex reoperative colorectal surgery at the Cleveland Clinic Foundation in Ohio. Dr. Dionigi then joined the Division of Colorectal Surgery at NewYork-Presbyterian/Columbia University Irving Medical Center as Assistant Professor of Surgery. Since her arrival at NYP/Columbia, she has created the Women in Surgery Association (WINGS) first of its kind at Columbia with the goal of promoting women in leadership, she has served as Associate Program Director of the General Surgery Residency Program, and she is the founder and co-Chair of the collaborative translational project on Early Onset Colon and Rectal Cancer within the Columbia Research Cancer Center. Her dedication to the education of surgery residents was recognized with the 2023 Teacher Award. She is the author of several publications, received national and international awards for her research, and has been an invited speaker to national and international meetings.