Dr. Nicholas Bertha

dr. nicholas bertha

Dr. Nicholas Bertha was voted one of
New Jersey’s Top Doctor 8 years in a row!


NJ Bariatric Institute has been recognized as a “Center of Excellence for Bariatric Surgery” since 2008. Dr. Bertha is currently an active member of the American Society for Metabolic and Bariatric Surgery Patient Safety Committee. He currently serves as the Director of Bariatrics at Saint Peters University Medical Center. He is Medical Director of the Florham Park Surgery center, and a member of the Morris Township Board of Health.

Dr. Bertha’s operative experience is extensive. He has performed over 7000 Bariatric procedures, many with his former partner, Dr. Abkin, as a member of Advanced Laparoscopic Surgeons of Morris. He is a surgical teacher and teaches both student and mature surgeons how to perform his techniques.

Dr. Bertha currently performs Laparoscopic Gastric Sleeve, Roux en y Gastric Bypass and Adjustable Gastric Band procedures, sometimes through a single incision. He also performs complex revision and remediation procedures. He has training in gastric balloon placement and management as well as gastric plication surgery. He performs complex endoscopy and endoluminal procedures including nasal endoscopy, and endostent placement. He has experience with the ROSE procedure.

Dr. Nicholas A Bertha is a New Jersey native. He was born and raised in Morris County. He is the namesake grandson of “the famous Dr. Bertha” who was a long practicing surgeon in his hometown. Dr Bertha played three sports and graduated from Randolph High School. He went on to Bucknell University where he received a Degree in Biology. He returned home afterward and attended the University of Medicine and Dentistry of New Jersey School of Osteopathic Medicine (UMDNJ-SOM). At that time, the school had a split campus and the first two years were spent in New Brunswick with the NJ Medical School students at Rutgers. The last two years were located in Stratford, Camden County. He remained at UMDNJ-SOM for a Post Graduate year as a Rotating Osteopathic Intern and then returned back north to Morristown Memorial Hospital for his surgical residency.

After residency Dr. Bertha joined a busy general surgical practice in Morristown. His interest and expertise in Laparoscopic surgery then led him to begin performing Bariatric surgery. At that time, very few surgeons had the capability of performing procedures of that complexity. During his next 14 years performing and improving the procedures, he has been fortunate enough to be involved in many landmark projects. He was involved in the original FDA trial for the United States evaluation of the “LAP-BAND” in 2001.

Dr. Bertha has also participated in evaluations of stomach implanted pacemaker devices, implantable gastric balloons and many cutting edge new surgical instruments. He participated in the Low BMI trial with the Lap Band which led to the FDA decision to recommend use of the band in the BMI category of 30-35. He has been involved with the Morris County Medical Society executive board, and was a founding member to the New Jersey Chapter of the American Society for Metabolic and Bariatric Surgery. Dr. Bertha has been a presenting physician at national surgical meetings, and an active participant in surgical clinical research trials.

founder of NJ Bariatric Institute

It is a privilege to collaborate with Dr Bertha, once again, in providing our patients the best state of the art, highly professional care possible. My goals are to properly educate, support and assist our Bariatric Surgical patients to become self motivated, to lose weight, and to stay healthy for Life! NJBI will assist you in your weight loss and amazing transformation to better health. Throughout my experience with Bariatric patients, it has been thrilling to see so many patients return thinner, happier and healthier than they could have ever imagined. Each successful Bariatric surgery patient teaches our Team new, specialized ways to maximize the successes of others. This limits the barriers for all future Bariatric surgical patients! I look forward to being a part of your successful weight loss journey to better health and personal success!

Susan Miller, NP

Dr. Bertha is particularly proud of having been recognized by his medical peers as a New Jersey Magazine “Top Doctor” in NJ each year since 2007.

If you would like more information or like to schedule a consultation with Dr. Bertha call us at 973-437-8700