Alexander J Greenstein, MD Email Alexander Greenstein

Dr. Alexander J. Greenstein is the Surgical Co-Director of the IBD Center at Mount Sinai and an Associate Professor of Surgery and Health Policy. He specializes in minimally invasive (laparoscopic, single incision, robotic) surgery for Crohn's Disease, Ulcerative Colitis, Diverticulitis and other gastrointestinal (colon, small intestine, gallbladder, stomach) tract disorders. Prior to joining as faculty, Dr. Greenstein completed a surgical residency at The Mount Sinai Hospital and a fellowship in minimally invasive surgery at the Oregon Health and Sciences University in Portland, Oregon. In addition, Dr. Greenstein completed a residency in general preventative medicine and attained a Masters in Public Health at the Mount Sinai School of Medicine. Dr. Greenstein graduated from Cornell Medical College in New York with Alpha Omega Alpha distinction after completing his bachelor’s degree in economics cum laude with distinction at Yale University.

Dr. Greenstein is certified by the American Board of Surgery and is a Fellow of the American College of Surgeons (FACS). He has been a first or co-author of more than 60 peer-reviewed manuscripts, has editorial responsibilities at several journals, and has presented his work at both regional and national surgical meetings. He is a recipient of the David A. Dreiling Award for Scholarly Excellence from the Mount Sinai Department of Surgery.

Dr. Greenstein is an active member of multiple surgical societies (ACS, SSAT, SAGES). Research engagements include experiences at the National Institute of Mental Health, the Memorial Sloan Kettering Medical Center and the Brazilian Ministry of Health. His research focuses on advances and techniques in GI surgery for Crohn’s and Ulcerative Colitis and he has interest in health disparities and preventive medicine. In coordination with members of the department of colorectal surgery, Dr. Greenstein is actively involved in the rollout of the Adrian J. Greenstein IBD surgical database whose goal is to answer important surgical questions and improve patient outcomes.

In the News:

• Dr. Greenstein weighs in on the groundbreaking LASER trial which demonstrates that surgical intervention can definitively enhance quality of life for patients with persistent recurrent diverticulitis.

• Dr. Greenstein discusses Inflammatory Bowel Disease in the New York Daily News Daily Checkup

• Watch Dr. Greenstein perform a Minimally Invasive Subtotal Colectomy; a Laparoscopic J pouch for Ulcerative Colitis; Laparoscopic Ileocolic Resection for Crohn’s Disease; and a Strictureplasty for Crohn's Disease

• Watch Dr. Greenstein's patient tell her story about Ulcerative Colitis on EverydayHealth

• Investigate one of Dr. Greenstein's mystery cases, featured in Reader's Digest. Is it Crohn's Disease or not?

• In this nationally presented video, Dr. Greenstein performs emergency surgery for Perforated Crohn’s Disease during pregnancy

• Read about Dr. Greenstein's patient with appendicitis during pregnancy on ABC News

• CCFA Honors the late Adrian J Greenstein, MD with the 2018 Humanitarian of the Year Award

• Dr. Greenstein shares his take on the idea of Laparoscopic Resection in Crohn’s is more cost-effective than Infliximab.

• Hear Dr. Greenstein’s opinion on the idea that surgery may curb risk of recurrent adhesive small-bowel obstruction.

• Dr. Greenstein shares how common appendicitis is and the timeframe of symptoms and rupture.

Recommended External Links

Crohn's and Colitis Foundation of America: http://www.crohnscolitisfoundation.org/what-are-crohns-and-colitis/what-is-crohns-disease/

http://www.crohnscolitisfoundation.org/what-are-crohns-and-colitis/what-is-ulcerative-colitis/

Colon and Rectal Cancer Surgery: https://www.cancer.org/cancer/colon-rectal-cancer/treating/colon-surgery.html

Ostomy Information - United Ostomy Associates of America: https://www.ostomy.org/what-is-an-ostomy/