Our Office Updates As of 2021

CRSSNY is now having office hours on Saturdays and Sundays. We are also offering Colonoscopies on Saturdays. For more information or if you wish to schedule an appointment, please Contact Us Now.

Dean P. Pappas, MD, MBA, FACS, FASCRS
Colorectal Surgeon

Dr. Dean Paul Pappas, MD, of Colon & Rectal Surgical Specialists of New York.Certified by the American Board of Surgery and the American Board of Colon and Rectal Surgeons, Dean Paul Pappas, MD is a highly skilled and experienced colorectal surgeon providing comprehensive care at his practice in Garden City, New York. Dr. Pappas serves as Senior Vice President of the Mount Sinai Health Network and is the Chief of Colon and Rectal Surgery at Mount Sinai South Nassau. Dr. Pappas was named a Clinical Assistant Professor in the Department of Surgery at SUNY Stony Brook due to his contributions and dedication to medical education.

Educational Background

Dr. Pappas received his medical degree from the SUNY Stony Brook School of Medicine, where he also completed his residency training in General Surgery, serving as Chief Resident during his final year. Dr. Pappas was a member of the Alpha Omega Alpha Medical Honor Society and recipient of the Outstanding Resident Faculty Award during his training at SUNY Stony Brook.

Continued Education

Dedicated to furthering his knowledge, Dr. Pappas also completed a fellowship in Colon and Rectal Surgery at the Orlando Regional Medical Center. Specialized training combined with two decades of experience has provided Dr. Pappas advanced expertise in all aspects of colon and rectal surgery, including advanced colon resection and other procedures that can be performed using laparoscopic and robotic techniques, and comprehensive management of all anal and rectal disease. Moreover, Dr. Pappas holds a  MBA degree to allow him to effectively navigate CRSSNY through the ongoing changes in healthcare.

Video: Dean P. Pappas, MD,MBA,FACS,FASCRS
Chief Colorectal Surgery
Mount Sinai South Nassau
SVP Mount Sinai Health Network

Dean Pappas, MD, MBA, FACS, FASCRS discusses his background and education. He went into colorectal surgery after watching his father suffer from ulcerative colitis.

What Sets Him Apart?

Dr. Pappas is an expert in the use of the da Vinci Xi Robotic Surgical System. Dr. Pappas and his team have performed more robotic colorectal surgical procedure than any other colorectal surgeons on Long Island. Dr Pappas also excels at advanced colonoscopy procedures, and can often remove growths in the colon without the need for surgery. If surgery is required, he specializes in the ability to combine colonoscopy and robotics to remove growths using the least invasive methods possible. He has been nationally recognized for his achievements and has been named one of Castle Connolly's Top Doctors on Long Island and in the NY Tristate area yearly since 2013. In addition, Dr. Pappas was only one of two colorectal surgeons on Long Island selected by Castle and Connelly to be featured in NY Magazine Best Doctors edition (NY Magazine, April 2014) a notable honor bestowed by his peers. Dr. Pappas is one of the first and most experienced surgeons on Long Island to perform Transanal Endoscopic Microsurgery (TEM), an advanced, minimally invasive procedure that removes tumors and polyps from the rectum without the need for abdominal surgery.

In addition to his training and practice experience, Dr. Pappas is involved with several professional organizations. He is a Fellow of both the American Society of Colon and Rectal Surgeons, and the American College of Surgeons. Dr. Pappas has served as an Officer of the American College of Surgeons - Long Island and Brooklyn Chapter, and in 2008, Dr. Pappas served as President of the Nassau Surgical Society and remains an active member.

Framed Best Doctors award
New York Magazine Best Doctors 2014
Newsday With Dr. Dean P. Pappas

Dr. Pappas' hospital affiliations include:

  • Mt. Sinai Oceanside
  • Winthrop University Hospital
  • St. Francis Hospital
  • North Shore University Hospital-LIJ @ Manhasset

Important Links

Dr. Pappas shares important information with Newsday

Colon & Rectal Surgical Specialists of New York staff

Colon & Rectal Surgical Specialists of New York

The Colon & Rectal Surgical Specialists of New York provide comfortable, discreet, and private care from five locations throughout Long Island and Queens. Every member of our team is a respected leader in their field, and each is certified by both the American Board of Surgery and the American Board of Colon and Rectal Surgery. We provide a complete set of services related to your colorectal health, including:

To request a consultation with our physicians, please fill out our online form or call (516) 248-2422.

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Garden City Office

1100 Franklin Ave
Ste 203
Garden City, NY 11530

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Manhasset Office

1155 Northern Blvd
2nd Floor
Manhasset, NY 11030

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61 Southern Blvd
Nesconset, NY 11767

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5 Cuba Hill Rd
West Entrance
Greenlawn, NY 11740

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510 Broadhollow Rd.
Ste 309
Melville, NY 11747

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