David A. Greuner MD, FACS, FICS

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David A. Greuner MD, FACS, FICS
MInimally Invasive Surgery
Cardiovascular and General Surgery
Surgical Director, NYC Surgical
davidgDr. David Anthony Greuner is the managing director and co-founder of NYC Surgical Associates. He is a double board certified surgeon with over 10 years of experience. His post graduate residency training was performed at University of Arizona and Mount Sinai School of Medicine affiliate hospitals (Morristown Memorial Hospital) where he was named chief resident of the year, and won the Hughes Dougan award for dedication to patient care and excellence in surgical technique his chief year.

His fellowship training in Cardiovascular and Thoracic Surgery was performed at Albert Einstein School of Medicine in New York City. Although Dr. Greuner’s surgical training encompassed a broad base of surgical procedures; his area of interest lies specifically in minimally invasive procedures and minimal access/robotic surgery, including procedures involving the Da Vinci robot and percutaneous (no incision) access – allowing his patients the least disruption possible from their busy lives.

He has developed and pioneered advanced surgical techniques such as the No-Knife EVLT, which has been featured in several nationwide television broadcasts.

He trained with pioneers in minimally invasive and robotic (laparoscopic, thoracoscopic, and endovascular) surgery, and has performed thousands of these procedures successfully. His passion in medicine is improving minimally invasive surgical techniques for less downtime and better results.

He was voted a “Top Surgeon” by the Consumers Research Council of America four years in a row, 2010, 2011, 2012, and 2013.

Dr. Greuner is active in continuing medical education, and lectures on a variety of surgical topics nationwide, including speaking engagements at Harvard University hospitals.

He is a diplomate of the American Board of Surgery, a fellow of the International College of Surgeons, and a member of the following societies:

  • American Medical Association
  • New York Medical Association
  • Society of Thoracic Surgeons
  • New York Thoracic Surgical Society
  • Society for Laser Medicine and Surgery
  • International Society for Vascular Surgery
  • Society for Laser Medicine and Surgery
  • American College of Surgeons

He is licensed to practice medicine and surgery in New York, New Jersey, Connecticut, Massachusetts, Florida and Arizona.

Dr. Greuner speaks Spanish and English, as well as conversational Portuguese. His interests outside medicine include physical fitness, skiing, snowboarding, travelling, photography, and cycling.

Due to his acknowledged expertise in minimally invasive and cardiovascular surgery, Dr. Greuner is regularly quoted in articles in major magazines and newspapers, and he has made frequent appearances on national television programs such as CBS’s “The Doctors”, the “Dr. Oz” show, Eyewitness News, and PIX 11.

Jason D. Hanks, MD

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Jason D. Hanks, MD
Director of Anesthesia and Perioperative Services

hanksDr. Hanks was born and raised in Northern California His post graduate residency training was performed at Mount Sinai School of Medicine affiliate hospitals (Morristown Memorial Hospital) and RUSH University Medical Center in Chicago. His fellowship training was performed at the renowned University of Pittsburgh, offering world-class training in Regional Anesthesia and Acute Pain Management.

Although Dr. Hanks’s anesthesia training encompassed a broad base of surgical procedures (Neuro, Cardiac, Laparoscopic, Thoracic and Obstetrical), his area of interest lies specifically in multi-modal pain management, and using peripheral nerve blocks to manage postoperative pain and make recovery as effortless as possible.

Dr. Hanks is active in continuing medical education, is actively involved in community education, including medical volunteer work with NYC Surgical Cares and The Heart Fund.

He is a diplomate of the American Board of Anesthesiology, a fellow of Regional Anesthesia and Acute Pain Management, and a member of the following societies:

  • American Society of Anesthesiologists
  • American Medical Association
  • International Anesthesia Research Society
  • Society for Ambulatory Anesthesia
  • American Society of Regional Anesthesia and Pain Management
  • ASA Political Action Committee

He is licensed to practice Medicine and Anesthesiology in New York, New Jersey, Pennsylvania and California.

His interests outside medicine include physical fitness, snowboarding, mountain biking and cooking.

Kerem Bortecen, MD, PhD, MBA, FACS

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Endovascular and Interventional Surgery
Director of Liver and Kidney Interventional Oncology Program

Dr. Bortecen is originally from Istanbul, Turkey, and he brings a special skill set and level of training to our surgical team at NYC Surgical. His training encompassed a wide variety of techniques before focusing on hepatobiliary (liver) and kidney surgery, including transplantation.His academic credentials are from some of the country’s top institutions. He completed his surgical residency at Yale University, his Ph.D. at Oxford University and his liver, pancreas and kidney transplantation fellowship at the University of Pennsylvania. He has been an Assistant Professor of Surgery at Dartmouth-Hitchcock Medical Center in New Hampshire, and prior to joining NYC Surgical Associates, was surgical staff at the New York University Medical Center.

Given his wide, long standing expertise in intra-abdominal organ surgery, including vascular operations on these organs, as well as his profound knowledge of complex physiology, Dr. Bortecen was recruited to NYC Surgical Associates as a specialist in all deep venous and arterial procedures, including kidney and liver intervention.

His research experience spans several decades and topics, from liver, stomach and kidney surgery to interventional techniques, and he has authored dozens of peer reviewed articles. He continues to speak nationally and internationally on interventional and vascular topics as well as other surgical techniques.

His gentle, warm bedside manner and meticulous attention to his patients makes him a true asset at NYC Surgical Associates, where he continues to lead our teams to produce award winning outcomes.

He is board certified by the American Board of Surgery and licensed as a surgeon in 11 states.

In his free time, Dr. Bortecen enjoys physical fitness, surfing, skiing, arts, and travel.

Dr. Bortecen’s membership in professional societies include:

European Society for Vascular Surgery
Yale Surgical Society
The Transplantation Society
Society for Surgery of the Alimentary Tract
American Society of Transplant Surgeons
Fellow of the American College of Surgeons
Diplomate of American Board of Surgery

Arno Rotgans, MD

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Arno Rotgans, MD 
Regional Director, Long Island
Endovascular and General Surgery

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Arno Rotgans, MD is originally from Surinam, South-America. He completed both his undergraduate degree and pursued a Master’s degree in Biochemistry at the City College of New York. He then joined the US Army Service Corps and was the recipient of several Army medals and accolades.

After his service in the military he completed his medical training at the University of Kentucky. He attended the University of Kentucky and the Albany Medical Center in New York for post graduate surgical training.

During his postgraduate training he developed an interest in advanced ultrasound techniques becoming certified by the American College of Surgeons.

After his post graduate surgical training, Dr. Rotgans underwent advanced fellowship training in ultrasound and fluoroscopy guided percutaneous vascular techniques at NYC Surgical Associates in New York City.  He pursued an additional fellowship at NYC Surgical in body contouring undergoing advanced training in all forms of liposuction and procedures for the massive weight loss patient.

His academic and research interest include minimally invasive techniques in endovenous surgery. His clinical interests include the full spectrum of endovenous techniques for all venous disorders, including embolization and ablation, as well as body contouring procedures.

His professional memberships include:

  • American Medical Association
  • American College of Phlebology
  • International Society for Vascular Surgery
  • American College of Surgeons
  • International College of Surgeons
  • Society for Laser Medicine and Surgery

Dr. Rotgans speaks fluent English and Dutch and some conversational Spanish and is licensed in New York.

Outside of medicine he enjoys soccer, fitness and chess.

Christopher Hollingsworth, MD

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Christopher Hollingsworth, MD
Surgical Staff
General and Endovascular Surgery

christopher-hollingsworth-md

Christopher C. Hollingsworth, MD is a board eligible General Surgeon with a rich background of experience from extensive training in the United States and Europe.

After completing undergraduate studies at the University of Southern California, he studied medicine and surgery at The Royal College of Surgeons in Dublin, Ireland.

Following graduation from medical school, he worked at James Connolly Memorial Hospital in Dublin, training in surgical oncology, breast surgery and endoscopy. He then accepted a position as surgical resident at the University of Nevada School of Medicine’s Department of Surgery. His training at UNLV Medical Center provided extensive experience in general surgery, vascular surgery, plastic surgery, pediatric surgery, trauma and critical care.

He received the Arnold P Gold award for humanism and excellence in teaching as a resident at University Medical Center in Las Vegas. This prestigious award is given to the few selected residents across all residency programs that excel in compassion, empathy, and integrity.

Dr. Hollingsworth undertook fellowship training in minimally invasive endovascular surgery, complex hernia repair, and body contouring procedures in massive weight loss patients at NYC Surgical Associates with Drs. Greuner and Rosenberg.  He excels in providing the latest techniques to his patients, offering comprehensive treatment plans for all of their needs. His disarming demeanor, excellent bedside manner, devotion to patient care, and technical skill set make him a tremendous asset to NYC Surgical Associates.

Dr. Hollingsworth is active in media, previously working as the Editor of a global magazine with publication on three continents and in seven languages. He has authored numerous articles on topics in the healthcare industry.

Outside of medicine, Dr. Hollingsworth enjoys spending time with his wife and daughter, and is enthusiastic about computers, nutrition, extreme sports, and motor sports. He is licensed to practice medicine and surgery in New York, and is conversant in Spanish.

Victor I. Rosenberg, MD

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Victor I. Rosenberg, MD
Director, Division of Plastic and Reconstructive Surgery.

rosenVictor I. Rosenberg, M.D., F.A.C.S., has been a Diplomate of the American Board of Plastic Surgery since 1969, after having completed four years of training in General Surgery followed by three more years of training in Plastic Surgery. All seven years were spent in Mount Sinai, Beth Israel and Albert Einstein, all New York City hospitals. During the Viet Nam War, he was a Commander in the United States Navy, serving as Chief of Plastic Surgery at the St. Albans Naval Hospital. Dr. Rosenberg is the inventor of instruments used in Plastic Surgery and other surgical specialties. He has authored papers which were published in medical journals.

Dr. Rosenberg, whose specialty is Cosmetic and Complex Reconstructive Surgery of the entire body, has been in private practice since 1970. For twenty years he was the director of Plastic Surgery at NYU Downtown Hospital. In addition, he has enjoyed a long time affiliation with Beth Israel Medical Center and The Mount Sinai Medical Center and for many years has been on the staff of Mount Sinai School of Medicine. In 1998, he received the honor of Alumnus of The Year at NYU Downtown Hospital. We are privileged to have his experience, knowledge and expertise at NYC Surgical Associates.

An active member of numerous prestigious professional organizations, Dr. Rosenberg’s list includes the American Society for Aesthetic Plastic Surgery, the American College of Surgeons, the International College of Surgeons, the American Society of Plastic Surgeons and the Society of Military Plastic Surgeons.

Dr. Rosenberg has been featured on many TV shows. Amongst them are ‘Oprah Winfrey,’ ‘Donahue,’ ‘Maury Provich,’ ‘Joan Rivers,’ ‘Live with Regis and Kathy Lee,’ ‘Mike Douglas’ and on many national and local news shows. His numerous radio appearances include ‘Sally Jessy Raphael.’ He has been interviewed in numerous newspapers and magazines, including The New York Times, New York Post, Daily News, The New York Times Magazine, Harper’s Bazaar, Vogue, Allure, Cosmopolitan, US, Self and Ladies Home Journal.

His disarming, kind and sincere bedside manner as well as expansive clinical knowledge make him a valuable resource to our surgical staff.

David Dynof, MD

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David Dynof, MD
Orthopedics and Pain Management

Raghu Idupuganti, MD

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Raghu Idupuganti, MD
Adult and Pediatric Anesthesiology

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Jasmit Parihar, MD

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Jasmit Parihar, MD

Anesthesiology

NYC surgical associates is fortunate enough to have Dr Jasmit Parihar, an exceptional anesthesiologist with a background at the forefront of modern anesthesia, that includes clinical teaching at cutting edge training programs for anesthesia where she passed-on her highly-skilled anesthesia techniques to the world’s next generation of anesthesiologists.

Her remarkable ability to smoothly administer anesthesia and pain control, is proportional to her extensive background and training. Dr Parihar received her B.S. in biology from the prestigious New York Institute of Technology. Following this, she completed her Doctorate of Medicine at the New York College of Osteopathic Medicine, where she was also elected to represent her class as their Vice President. Despite the rigorous demands of her medical curriculum and political appointment, she also found time for service work as a member of the South Asian Health Initiative, a group that provides care to patient populations without adequate access to healthcare in underserved communities.

Her residency in anesthesia at the Albert Einstein College of Medicine, allowed her to further refine her skills in anesthesia and pain control, while at several large volume centers in the New York metropolitan area. Following residency, Dr Parihar accepted a position working within Columbia University’s Department of Anesthesia as a clinical instructor and later as assistant professor. She also began working with the Global Smile Foundation while at Columbia, a group that helps provide reconstructive surgery to children born with congenital malformations of the face. Thousands of children with cleft palates have been given corrective surgery since she became involved with their organization.

She has also served as assistant professor for the Department of Anesthesia at New York Medical College, where she published research on the utilization of new treatments for regional pain control.

Dr. Parihar is board certified by the American Board of Anesthsia, and she is a member of several professional societies for anesthesia, including the American Society of Anesthesiology and the New York State Society of Anesthesiologists.

When Dr Parihar is not using her expertise relieving pain and administering anesthesia, she can be found practicing yoga or traveling. She is an avid reader who multilingual and fluent in English, Punjabi, Hindi, and Spanish.

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