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  2. Colon & Rectal Surgery
  3. Dr. Marc Greenwald
Dr. Marc Greenwald

Dr. Marc Greenwald, MD

Colon & Rectal Surgery
Castle Connolly Top Doctor Since: 2008
About Dr. Marc Greenwald
Professional Statement
Dr. Greenwald is dedicated to minimally invasive (laparoscopic) techniques for all types of colon and rectal surgery and has established protocols at North Shore Hospital to ensure easy, safe, and rapid recovery after surgery. He performs diagnostic and therapeutic colonoscopies, and he is very experienced at both office and operative management of anal and rectal disorders such as hemorrhoids and fissures.
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Hospital Affiliations
Board Certification
Colon & Rectal Surgery
Hospital Affiliations
Languages Spoken
Training and Faculty Appointments
Faculty Appointment
Assistant Professor, Colon & Rectal Surgery
Hofstra Northwell School of Medicine
Medical School
Albert Einstein College of Medicine, 1985
Montefiore Hosp Med Ctr
Surgery, 1986 - 1990
St Francis Hosp
Colon & Rectal Surgery, 1990 - 1991
* Dates are self-reported data
Practice Locations
Northwell Health Physician Partners
North Shore Surgical Specialists
310 East Shore Road, Suite 203
Great Neck, NY 11023
Awards and Credentials
Regional Guides
Newsday - Top Doctors on Long Island: 2008, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
Top Doctors New York Metro Area (digital guide): 2016, 2017, 2018, 2019, 2020, 2021, 2022
New York Magazine: Top Doctors: 2021, 2022
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Hospital Information
North Shore University Hospital
300 Community Dr
Manhasset, NY 11030
(516) 562-0100