Accepting New Patients


Colon and Rectal Surgery / Proctology
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Mount Sinai Doctors ?
    • Specialties
    • Colon and Rectal Surgery / Proctology
    • Surgery
    • Language
    • English
    • Hospital Affiliation
    • The Mount Sinai Hospital

Dean Paul Pappas, MD, is a highly skilled and experienced colorectal surgeon providing comprehensive care at his practice in Garden City, New York for over 20 years. Dr. Pappas is an expert in minimally invasive procedures which include the use of the da Vinci XI robotic system as well as advanced laparoscopic techniques. These techniques allow patients to return to daily activities within a few days of major surgery with minimal incisions.  Dr. Pappas is highly regarded for his advanced colonoscopy capabilities and can often remove growths in the colon without the need for surgery.  Dr. Pappas is one of the first and most experienced surgeons in the NY Tristate area 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. He has been nationally recognized for his achievements and was named one of Castle Connolly's Top Doctors on Long Island and in the NY Tristate area for seven consecutive years.

Dr. Pappas serves as Senior Vice President of the Mount Sinai Health Network and Chief of Colon and Rectal Surgery at Mount Sinai South Nassau Hospital. Dr. Pappas was named a Clinical Assistant Professor of Surgery at SUNY Stony Brook due to his contributions and dedication to medical education of students, residents and fellows.

Dr. Pappas received his medical degree from the Renaissance School of Medicine at SUNY Stony Brook, where he also completed his residency training in General Surgery, serving as Chief Resident during his final year. Dr. Pappas then completed a fellowship in Colon and Rectal Surgery at the Orlando Regional Medical Center in Orlando Florida. In 2014, Dr. Pappas received an MBA from Adelphi University, Robert B. Willumstad School of Business.

For more information, please visit


In the News:

  • Read about the dangers of colorectal cancer and how Dr. Pappas recommends for you to be proactive in prevention.


American Board of Colon and Rectal Surgery
American Board of Surgery


MD, Stony Brook University Medical Center

Residency, General Surgery
SUNY Stony Brook University Hospital

Fellowship, Colon & Rectal Surgery
Orlando Regional Medical Center