About Dr. Mark Reiner

Dr. Mark Reiner hernia surgery expert in NYCDr. Mark Reiner is a Professor of Surgery, a Professor in the Department of Obstetrics, Gynecology and Reproductive Sciences, and a professor in the Department of Urology at the Mount Sinai Hospital in New York. He is a general surgeon specializing in minimally invasive surgery (laparoscopy) for both benign and malignant diseases. He has a keen interest in robotic surgery and the repair of inguinal and abdominal wall hernias. He is nationally and internationally recognized as an expert in minimally invasive surgery and is one of the leaders in the field of minimally invasive hernia repair. Dr. Reiner is appointed to the board for one of the oldest surgical societies: New York Surgical Society.

He has been recognized on a local, national, and international level numerous times in magazines and newspapers including New York Magazine and Castle Connolly as one of the leading surgeons in his field. Dr. Reiner has also been nominated for the prestigious Arthur Ellenberg award for patient advocacy by the American college of surgeons.


Dr. Reiner graduated medical school at the State University of New York, Downstate Medical Campus summa cum laude and went on to do his surgical residency at Mount Sinai Hospital in New York City. He was awarded the Arthur Aufses Sr award as the outstanding chief resident. He followed his training by going into practice in New York City and admits and does his surgeries at Mount Sinai Hospital. He has authored or co-authored over 60 articles and abstracts in peer-reviewed journals, as well as given video presentations, written numerous chapters in textbooks and extensively lectured in his field. Dr. Reiner recently presented and published his personal series of laparoscopic inguinal hernia repairs with long term follow-up, which was one of the largest individual series of its kind.

He is active in the training of both residents and fellows, and works closely with his partners at Laparoscopic Surgical Center of New York, often operating together to ensure the best possible outcomes for his patients.

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Dr. Reiner is board certified and re-certified in his field. He serves and has served on numerous committees at the local and national level.He is a surgeon & participant for Mission Hernia help whose goal is to bring hernia repair to underdeveloped countries throughout the world. He is on the Executive Committee of the Association of Attending Staff and Medical Board of Mount Sinai Hospital, a past Governor of the American College of Surgeons, President of the Manhattan Council of the American College of Surgeons, has a Governor’s appointment to the New York State Board of Medical Conduct and is vice president of the Attending Staff of the Mount Sinai Hospital. In January 2016, Dr. Reiner was elected president of the Associated Attending Staff of the Mount Sinai Hospital and was also appointed to the Executive Committee of the Mount Sinai Medical Board. Dr. Reiner was a founding member of the Patient Protection Coalition, which advocates for patient rights. On May 26, 2016, Dr. Reiner was awarded the prestigious John Garlock Award. It is given to the faculty member for recognition for outstanding service through the Mount Sinai Department of Surgery over the course of his career. John Garlock was chairman of the Department of Surgery at the Mount Sinai Hospital and was considered a master technician. The award was presented by the Chief Resident’s graduating class of 2016.

Dr. Reiner works in conjunction with head and neck surgery, spine surgery, Urological, and gynecological surgery in the more complex and demanding surgical cancer cases. He was given the title of Professor in Obstetrics, Gynecology and Reproductive Science for the recognition of his advancement and help in gynecological oncology, though he is not a gynecologist. He was also honored with the title of professor of urology because of his outstanding work in urological oncology. He has one of the world largest experiences performing robotic inguinal hernia repairs in conjunction with the Mount Sinai urological teams performance of robotic radical prostatectomy.

Dr. Reiner was one of the first in the country to perform and develop surgical techniques in minimally invasive surgery (laparoscopy). He was the second person credentialed in laparoscopy at the Mount Sinai Hospital, and has helped teach these techniques to other surgeons. He has directed numerous educational courses in minimally invasive surgery. He was one of the first surgeons in the Northeast to do a laparoscopic colon resection and was instrumental in the development of surgical techniques for the performance of laparoscopic inguinal and incisional (abdominal wall) hernias.

The first prototype stapler developed by Ethicon (Johnson & Johnson) for hernia repair was done in conjunction with Dr. Reiner. He has personally performed over 2500 laparoscopic hernia repairs in his career, making him one of the most experienced surgeons in the field internationally.

Dr. Reiner has been involved in numerous surgical missions, most recently returning from Guatemala in October of 2016. He was team leader of the surgical group that operated on the Mayan Indians and their descendants. The previous year he spent one week in the Dominican Republic operating on the under-served. He devotes his time to charitable organizations and is on the board of the National Kidney Registry. He regularly advocates for his patients in Albany and Washington and is one of the founders of the Patient Protection Coalition.

Read what our patients are saying!

Dr. Reiner is an expert in his field. He immediately knew what needed to be done to help my husband. I highly recommend Dr. Reiner.

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Personal Life

Dr. Reiner has two sons he is extremely proud of and likes to spend his free time in a variety of athletic endeavors but is most relaxed when on a tractor at his farm in Litchfield, Connecticut. He enjoys with his wife the restoration of old cars, building furniture from wood and making objects of art from metals.

He believes all patients should be treated as family, with utmost respect but tries to temper this serious endeavor with an appropriate sense of humor. He still believes in the “Art of Medicine”, and that the importance of experience cannot be overestimated. He likes to be called by his first name and believes that to practice medicine wisely is of paramount importance.

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