Alfred Ba Tun B Leong, MD

Dr. Hans Burkholder offers specialized surgical care for people who have colorectal symptoms or diagnoses. Consultations are provided at two Brooklyn locations by Dr. Hans Burkholder, a board certified colon and rectal surgeon with specialty expertise and training in the diagnosis and surgical management of diseases of the colon, rectum, and anus. Dr. Burkholder strives to provides excellent care to each person in a compassionate and professional manner. He is a board certified colon and rectal surgeon, also known as a proctologist, who specializes in the diagnosis and treatment of benign and malignant diseases involving the colon, rectum, and anus. This field of medicine was formerly known as proctology. He is proficient in minimally invasive laparoscopic surgical techniques. Dr. Burkholder is on staff at New York Presybyterian Brooklyn Methodist Hospital since June 2020. He was on staff at Brookdale University Hospital and Medical Center in Brooklyn from 2017-2020. Prior to opening a private practice in Brooklyn, NY, Dr. Burkholder worked for four years at Alaska Colorectal Surgery in Anchorage, Alaska. He was one of three colorectal surgeons providing specialized care in the state of Alaska. During this time he also served as General Surgery Sub-Section Chair at Providence Hospital and Trauma Director at Alaska Regional Hospital. Dr. Burkholder received his B.A. with Honors in 1999 from the University of Manitoba. He received his M.D. from New York University School of Medicine in 2003. He completed his general surgery residency at the University of Tennessee, Chattanooga in 2009. He then completed a colorectal surgery fellowship in 2010 at the University of Texas, Houston. He is board certified in General Surgery and Colon and Rectal Surgery. Professional Associations and Memberships Include: * American Society of Colon and Rectal Surgeons * Medical Society of the State of New York * New York Society of Colon and Rectal Surgeons * American College of Surgeons Publications and Presentations: Peer Reviewed Articles: Burkholder HC, Cofer JB. Rural surgery training: a survey of program directors. Journal of the American College of Surgeons. 2007 Mar; 204(3): 416-421. Burkholder HC, Witherspoon LE, Burns RP, Horn JS, Biderman MD. Breast surgery techniques: preoperative bracketing wire localization by surgeons. American Surgeon. 2007 Jun; 73(6): 574-578. Burns RP, Burkholder HC. Simulated surgical skills training: modern-day surgical homework. American Surgeon. 2007 Feb; 73(2): 166-170. Koontz CS, Smith LA, Burkholder HC, Higdon K, Aderhold R, Carr M. Video-assisted transumbilical appendectomy in children. Journal of Pediatric Surgery. 2006 Apr; 41(4): 710-712. Cofer JB, Petros PJ, Burkholder HC, Clark PC. General surgery at rural Tennessee hospitals: A survey of rural Tennessee hospital administrators. American Surgeon. 2011 Jul;77(7):820-825. Arnold JD, Dart BW, Barker DE, Maxwell RA, Burkholder HC, Mejia VA, Smith PW, Longley JM. Unfractionated heparin three times a day versus enoxaparin in the prevention of deep vein thrombosis in trauma patients. American Surgeon. 2010 Jun;76(6):563-70."

After receiving her BS in Biology at the University of North Texas, Dr. Evelyn Taiwo obtained her MD at Temple University School of Medicine in Philadelphia. Following her residency at Boston University Medical Center, she completed a three-year fellowship in hematology and oncology at the University of Texas Southwestern Medical Center in Dallas. Prior to joining Weill Cornell Medicine, Dr. Taiwo served as Assistant Professor of Medicine at the State University of New York, Downstate Medical Center in Brooklyn from July 2011-2019, and as Attending Physician and Site Director for the Hematology-Oncology Fellowship Program at Kings County Hospital. While at Kings County Hospital, she served in a leadership role as Director of the Breast Cancer Clinic, overseeing the operations, research activities, clinical care delivery, and education. As a researcher, Dr. Taiwo has contributed to a number of studies on cancer presentation in urban and minority patient populations.

Dr. Maureen Wang is a cardiologist in Brooklyn, New York and is affiliated with NewYork-Presbyterian Brooklyn Methodist Hospital. She received her medical degree from New York Medical College. Dr. Wang's clinical interests include Echocardiography, Nuclear Cardiology, Vascular Imaging.