One Surgical is a leading provider of advanced laparoscopic and robotic surgery and minimally invasive general surgery. Serving patients in the northern NJ and NYC metro area, our team is dedicated to providing the highest level of care for our patients and patients entrusted to us by referring physicians.

We understand that every patient is unique, and we are committed to identifying the best course of treatment on a case-by-case basis. Stephen G. Pereira, M.D. has been performing robotic surgery longer than any other physician in the state, and continues to lead his field, serving as chief of gastrointestinal surgery at Hackensack UMC.


Our History

History of Robotic Surgery at HackensackUMC

One Surgical Specialists used the first ever robot approved by the FDA for General Surgery in 1998

  • 2 AESOP systems – primitive, voice activated surgical robot.
  • MIS Fellowship started 1998, Garth Ballantyne, M.D., Director, Stephen Pereira, M.D., first fellow

Robotic Experience:

  • Da Vinci Surgical System approved by FDA July, 2000.
  • 1st da Vinci robot: Guy-Bernard Cadiere/Jacques Himpens, Brussels
  • 2nd da Vinci robot: William Kelley, Richmond, VA – 1st robot chole in US
  • Da Vinci Surgical System Acquired by HackensackUMC Nov. 3, 2000
  • 3rd da Vinci robot in the world – Garth Ballantyne/Stephen Pereira, Hackensack, NJ
  • No da Vinci training centers at the time.
  • September 2000, Hackensack team of surgeons and OR staff trained at Intuitive Surgical Headquarters, Mountain View, CA

  • HackensackUMC performing robotic surgery since Nov. 2000.
  • First robotic colectomy by Ballantyne, 2000.
  • Weber PA, Merola S, Wasielewski A, Ballantyne GH, et al. Telerobotic-assisted laparoscopic right and sigmoid colectomies for benign disease. Dis Colon Rectum. 2002;45:1689-1694; discussion 1695-1696.
  • First robotic incisional hernia repair, 2001.
  • Pereira SG, Ballantyne GH. Robot Assisted Laparoscopic Hernia Repair, presented at SAGES meeting, March 2002.
  • First robotic appendectomy by Pereira, 2001.
  • First robotic repair Morgagni hernia by Pereira, 2002
  • Hormount C, Pereira SG, Wasielewski A, Ballantyne GH. Telerobotic laparoscopic repair of a Morgagni Hernia, presented at European Association of Endoscopic Surgery, 10th International Congress. Lisbon, Portugal, June 2002.
  • HackensackUMC hosted first national meeting on robotic surgery at the Society of American Gastrointestinal Endoscopic Surgery (SAGES) Conference, March 2002
  • First robotic single-site cholecystectomy New Jersey/New York Metro area, April 2012 by Dr. Pereira
  • Mazpule G, Rosenstock A, Pereira SG. The Safety and Feasibility of Single Incision Robotic Laparoscopic Cholecystectomy in the Acute Setting. Poster presentation. SAGES 2014 Annual Meeting, Salt Lake City, Utah.
  • First Robotic Surgery Fellowship in US started by members of One Surgical Specialists, July 2015

Published Initial Robotic Surgery Experience:

  • Robotic versus telerobotic laparoscopic cholecystectomy: duration of surgery and outcomes Hourmont K, Chung W, Pereira S, Wasielewski A, Davies R, Ballantyne GH Surgical Clinics of North America 2003 Dec:83(6):1445-62
  • Robotic surgery, telerobotic surgery, telepresence, and telementoring. Ballantyne GH: Surg Endosc: 16: 1389-1402, 2002.
  • The da Vinci telerobotic surgical system: the virtual operative field and telepresence surgery. Ballantyne GH, Moll F (2003), Surgical Clinics of North America, 2003: 83: 1293-1304
  • Primer of Robotic and Telerobotic Surgery. Philadelphia, PA, Lippincott Williams & Wilkins 2004. Editors: Garth H. Ballantyne, Jacques Marescaux, Pier Giulianotti This is the first textbook of Robotic Surgery.
  • Single-incision telerobotic surgery (SITS) right hemicolectomy. Sommer E, Pereira S, Wasielewski A, Byer A, Ballantyne GH. Video Presentation: 4th International Congress, MIRA (Minimally Invasive Robotics Association), Quebec, Canada, January 30th, 2009

dr. stephen g pereira -profile pictureStephen G. Pereira, M.D., F.A.C.S.

Chief, Division of General Surgery at Hackensack UMC
Chief, Robotic General Surgery
Director, Robotic Surgery Fellowship at Hackensack UMC
Assistant Professor of Surgery, Hackensack Meridian School of Medicine at Seton Hall University
Certified by the American Board of Surgery

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dr. adam rosenstock, md- profile pictureAdam Rosenstock, M.D., F.A.C.S.

Associate Director, Robotic Surgery Fellowship at Hackensack UMC
Assistant Professor of Surgery, Hackensack Meridian School of
Medicine at Seton Hall University
Certified by the American Board of Surgery
Dr. Rosenstock trained in robotic surgery under Dr. Pereira in 2012
Dr. Rosenstock was one of first surgeons in New Jersey to perform robotic hernia repair robotic abdominal wall reconstruction.

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maz-thumbGeorge Mazpule, M.D.

Assistant Professor of Surgery, Hackensack Meridian School of
Medicine at Seton Hall University
Certified by the American Board of Surgery
Dr. Mazpule trained in robotic surgery under Drs. Pereira and Mazpule in 2015
Dr. Mazpule was one of the first surgeons in New Jersey to perform robotic stapled sleeve gastrectomy for weight loss.

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