Local 1199

Jerome S. Breslaw, M.D.
Certified Gastroenterologist

Dr. Breslaw is a well respected gastroenterologist whose very personal and caring approach to each of his patients as individuals is well respected and appreciated. He received his medical degree from Chicaco Medical School. He is board certified in both Internal Medicine and Gastroenterology. After serving in the US Navy for two years, he completed […]


John J. Ackert, M.D.
Certified Gastroenterologist

Based in Concorde Medical Group’s Kips Bay office, Dr. John Ackert is a highly regarded expert in gastroenterology. He received his medical training here in New York, having graduated from St. John’s University in Queens with a B.S. in Biology and from New York University’s School of Medicine. He went on to complete his medical […]


Edward M. Brettholz, M.D.
Certified Gastroenterologist

Dr. Edward Brettholz received his medical degree from the George Washington University School of Medicine. He completed his Internal Medicine residency at Cedars-Sinai Medical Center in Los Angeles, followed by a Gastroenterology fellowship at the University of California at Irvine and he is board certified in both Internal Medicine and Gastroenterology. Dr. Brettholz is currently […]


Inessa Khaykis, M.D.
Certified Gastroenterologist

Dr. Inessa Khaykis practices gastroenterology with a specialty in advanced procedures such as Endoscopic Ultrasonography (EUS) with FNA and Capsule Endoscopy. Dr. Khaykis graduated with a degree in Medicine from Chelyabinsk Medical Academy. She completed her Internal Medicine residency, chief residency in Internal Medicine, as well as her fellowship in Gastroenterology at the NYU Langone […]


Caterina Oneto, M.D.
Certified Gastroenterologist

Dr. Caterina Oneto is a gastroenterologist who offers her patients expert and compassionate care. Dr. Oneto is a Clinical Assistant Professor within the NYU Division of Gastroenterology, and is Board Certified in Gastroenterology and Internal Medicine. Fluent in Spanish, she graduated with a degree in Medicine and Surgery from the Universidad de Valparaiso in Chile. […]


Lauren Schwartz, M.D.
Certified Gastroenterologist

Dr. Lauren Schwartz is a board-certified gastroenterologist and Clinical Assistant Professor of Medicine at the NYU Langone Medical Center. She is focused on providing quality, compassionate care that incorporates individual patient preferences and values. Dr. Schwartz received her undergraduate degree from Yale University in 1997, graduating magna cum laude with a bachelors of science in […]


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232 East 30 Street
New York, NY 10016

233 Broadway
Suite 840
New York, NY 10279

100 Crosby Street
Suite 406
New York, NY 10012