Skip to main content
Fabrizio Michelassi, MD, General Surgery, New York, NY

FabrizioMichelassiMD

General Surgery New York, NY

Colon & Rectal Surgery, Pancreas, Surgical Oncology (Other than Breast)

Lewis Atterbury Stimson Professor & Chair of Surgery, Surgeon-in-Chief, NewYork-Presbyterian/Weill Cornell Medical Center

Overview of Dr. Michelassi

Dr. Fabrizio Michelassi is a general surgeon in New York, NY and is affiliated with multiple hospitals in the area, including New York-Presbyterian Hospital and New York-Presbyterian Hospital. He received his medical degree from University of Pisa Faculty of Medicine and has been in practice 42 years. Dr. Michelassi accepts several types of health insurance, listed below. He is one of 325 doctors at New York-Presbyterian Hospital and one of 325 doctors at New York-Presbyterian Hospital who specialize in General Surgery. He has more than 100 publications and over 500 citings.

Education & Training

  • NYU Grossman School of Medicine
    NYU Grossman School of MedicineResidency, Surgery, 1983 - 1984
  • Massachusetts General Hospital
    Massachusetts General HospitalFellowship, 1981 - 1983
  • NYU Grossman School of Medicine
    NYU Grossman School of MedicineResidency, Surgery, 1977 - 1981
  • University of Pisa Faculty of Medicine
    University of Pisa Faculty of MedicineClass of 1975

Certifications & Licensure

  • FL State Medical License
    FL State Medical License 2022 - Present
  • NJ State Medical License
    NJ State Medical License 2023 - 2025
  • NY State Medical License
    NY State Medical License 1979 - 2025
  • IL State Medical License
    IL State Medical License 1984 - 2008
  • American Board of Surgery Surgery

Awards, Honors, & Recognition

  • America's Top Doctors Castle Connolly, 2006-2014
  • Top Doctors: New York Metro Area Castle Connolly, 2006-2014
  • New York Magazine: Top Doctors Castle Connolly, 2005-2014
  • Join now to see all

Clinical Trials

Publications & Presentations

PubMed

Journal Articles

  • Association of Time to Attrition in Surgical Residency with Individual Resident and Programmatic Factors  
    Julie A Sosa, Matthew M Symer, Fabrizio Michelassi, Heather L Yeo, Art Sedrakyan, JAMA
  • Delays in Initiating Post-Operative Prophylactic Biologic Therapy Are Common Among Crohn’s Disease Patients  
    Heather Yeo, Adam Steinlauf, Stephanie Gold, Fabrizio Michelassi, Madison Dennis, Digestive Diseases and Sciences
  • Association of Expectations of Training with Attrition in General Surgery Residents  
    Julie A Sosa, Matthew M Symer, Heather L Yeo, Fabrizio Michelassi, Art Sedrakyan, JAMA
  • Join now to see all

Books/Book Chapters

  • Join now to see all

Abstracts/Posters

  • NSQIP-focused departmental grand rounds reports: Utilizing an educational conference to improve outcomes.
    Abelson JS, Mitchell KB, Rich BS, Frey TJ, Gellman C, Pomp A, Michelassi F, ACS NSQIP National Conference, New York, NY, 7/28/2014
  • Population-based trends of pancreaticoduodenectomy: Temporal and age-related outcomes.
    Afaneh C, O’Mahoney P, Giambrone G, Eskreis-Winkler J, Bhat AU, Zabih R, Michelassi F, Fleischut P, Digestive Disease Week, Chicago, IL, 5/5/2014
  • Accuracy of CTE and MRE imaging to detect lesions preoperatively in patients with Crohn’s disease.
    Seastedt KP, Trencheva K, Michelassi F, Alsaleh D, Milsom JW, Sonoda T, Lee SW, Shukla J, Garrett KA, Nandakumar G, ASCRS Annual Meeting, Hollywood, FL, 5/1/2014
  • Join now to see all

Lectures

  • Novel strategies to reduce recurrence rates in Crohn’s disease. 
    Harvard Medical School, Boston, MA - 5/1/2014
  • Bowel sparing options in 2014. Do they still make sense? 
    Hollywood, FL - 5/1/2014
  • Novel Strategies to Reduce Recurrence Rates in Crohn’s Disease. 
    Massachusetts General Hospital, Boston, MA - 5/1/2014
  • Join now to see all

Other

  • Medical Tweezers and Surgical Tools having Built-in Silicon-based Microsensors, Microactuators, and Sensing Circuits. 
    Lal A, Michelassi F, Chen P, Wu C, U.S. Patent Provisional Application for Letters Patent: USPTO #61/863,413; Cornell Center for Techno
    1/1/2013
  • Surgical alternatives in the treatment of ulcerative colitis and familial adenomatous polyposis. Educational motion picture for patients and their families, 
    Michelassi F
    1/1/1995
  • Medical and surgical intervention in inflammatory bowel disease. 
    Hanauer SB, Michelassi F, The Network for Continuing Medical Education
    1/1/1992

Press Mentions

  • Gastrointestinal Surgeon Fabrizio Michelassi, MD, FACS, Elected Chair of ACS Board of Regents
    Gastrointestinal Surgeon Fabrizio Michelassi, MD, FACS, Elected Chair of ACS Board of RegentsNovember 4th, 2024
  • Dr. Alessandro Fichera Appointed Chief of Colorectal Surgery at NewYork-Presbyterian/Weill Cornell Medical Center and Weill Cornell Medicine
    Dr. Alessandro Fichera Appointed Chief of Colorectal Surgery at NewYork-Presbyterian/Weill Cornell Medical Center and Weill Cornell MedicineOctober 4th, 2024
  • Dr. Larissa v. Rodríguez Appointed Chair of the Department of Urology at Weill Cornell Medicine and Urologist-in-Chief at NewYork-Presbyterian/Weill Cornell Medical Center
    Dr. Larissa v. Rodríguez Appointed Chair of the Department of Urology at Weill Cornell Medicine and Urologist-in-Chief at NewYork-Presbyterian/Weill Cornell Medical CenterOctober 8th, 2021
  • Join now to see all

Professional Memberships

  • Chair of the Executive Committee of the Board of Governors, 2015-2016
  • Society of Surgical Chairs
    President, 2010-2011
  • New York Surgical Society
    President, 2011-2012
  • Illinois Surgical Society
    President, 2001-2002
  • Western Surgical Society
    President, 2003-2004
  • Central Surgical Association
    President, 2005-2006
  • Central Surgical Association Foundation
    President, 2009-2010
  • Society for Surgery of the Alimentary Tract
    President, 2014-2015
  • Society of Surgical Oncology James Ewing Foundation
    President, 2010-2011
  • Spenser Surgical Society
    President, 1991-1992
  • Academy of Surgical Research
    Member
  • American Board of Surgery
    Senior Director, 2012 to present; Member of the Executive Council, 2009-2012; Director (Representative for CSA) 2006-2012; Chair, Surgical Oncology Advisory Council, 2009-2011; Surgical Oncology Board Chair, 2011-2012
  • American Society of the Italian Legions of Merit
    Grand Award of Merit recipient, 2012
  • American Surgical Association
    ASA Representative to the ACS Advisory Council for General Surgery, 2003-2009; Chair, Arrangements Committee, 128th Annual ASA meeting, 2008
  • Association for Academic Surgery
    Member
  • European Society for Surgical Research
    Member
  • International Association of Surgeons and Gastroenterologists
    Member
  • Society of University Surgeons
    Member
  • James IV Association of Surgeons
    Director and Secretary, US Chapter
  • International Association of Pancreatology
    Member
  • International Hepato-Pancreatico-Biliary Association
    Member
  • International Society for Digestive Surgery
    Vice President, 20014-present
  • The Halstead Society
    Senior Member, 2013-present
  • American Society of Clinical Oncology
    Member
  • American Pancreatic Association
    Member
  • American Society of Colon & Rectal Surgeons
    Member
  • American Society of Liver and Pancreas Surgery
    Member
  • American Gastroenterologic Association
    Member
  • Chicago Surgical Society
    Member; Chair of the Program Committee, 1996-1999
  • Crohn's and Colitis Foundation of America
    Member

Insurance Accepted

  • Aetna Choice POS II
    Aetna HMO
    BCBS Blue Card PPO
    Empire BCBS PPO
    Great West PPO
    Oxford Health Freedom
    United Healthcare - Direct Choice Plus POS
    United Healthcare - Direct Options PPO
  • Please verify your coverage with the provider's office directly when scheduling an appointment