The 20 Best Gastrointestinal Perforation Doctors Near Me in Astoria, NY
Find the Top Gastrointestinal Perforation Experts and Specialists
"Parswa Ansari, MD, is a double board-certified colon and rectal surgeon at Northwell's Lenox Hill Hospital, with over 15 years of experience. He treats various anorectal disorders, including hemorrhoids, fissures and fistulas, and has expertise in laparoscopic colorectal resections for cancer, inflammatory bowel disease and diverticulitis. He also has a focus on advanced endometriosis.""My father was a doctor; seeing how he conducted himself inspired me to pursue a career in medicine,"" says Dr. Ansari, who graduated from Columbia University College of Physicians and Surgeons. He then completed a residency in general surgery at New York-Presbyterian Hospital and a fellowship in colon and rectal surgery at Lahey Clinic Medical Center.Having joined Lenox Hill Hospital in 2007, Dr. Ansari was originally the only colorectal surgeon on staff and has since seen the team grow to include multiple colorectal surgeons. ""We all work closely together, which strengthens the level of care we provide,"" he says. He also collaborates with a multidisciplinary team to provide patients with comprehensive care. For instance, he partners with gynecologists and urologists to provide holistic care for a large volume of endometriosis patients. ""Endometriosis knows no boundaries,"" he explains. ""Advanced forms can invade anywhere, including the colon, rectum or other parts of the intestine, so having a team approach to treatment is extremely important.""Passionate about educating the next generation of doctors, Dr. Ansari has written chapters for textbooks and serves as program director for the general surgery residency at Lenox Hill Hospital, as well as assistant professor at Donald and Barbara Zucker School of Medicine at Hofstra/Northwell.Dr. Ansari is a fellow of the American College of Surgeons and the American Society of Colon and Rectal Surgeons, and he has served on the Executive Council of the New York Society of Colon and Rectal Surgeons. His surgical expertise and commitment to the New York community has earned him recognition on several prestigious physician lists, including Castle Connolly Top Doctors and New York Magazine Top Doctors.Dr. Ansari's patients appreciate his calm demeanor and ability to explain complex details in a way that's easy to understand. ""I love connecting with patients and helping them get better,"" he says. ""Their gratification, and that of their loved ones, is what's most meaningful to me.""". Dr. Ansari is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Perforation. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Proctitis, Genital Warts, Retroperitoneal Inflammation, Colonoscopy, and Bladder Reconstruction. Dr. Ansari is board certified in American Board Of Surgery and American Board Of Colon & Rectal Surgery.
Northwell Health Physician Partners Colon And Rectal Surgery At Lexington Avenue
Adam Pihokken is a Colorectal Surgeon and a General Surgeon practicing medicine in New York, New York. Dr. Pihokken is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. His clinical expertise encompasses Anorectal Abscess, Anal Fissure, Retroperitoneal Inflammation, and Pilonidal Sinus Disease.
Northwell Health Physician Partners Bariatric Surgery At Lenox Hill
Vikrom Dhar, MD is a board certified and fellowship trained general, bariatric, and foregut surgeon at Lenox Hill Hospital in the Upper East Side. He specializes in minimally invasive and robotic surgery, with an emphasis on bariatric and weight loss surgery, gastroesophageal reflux disease, paraesophageal and hiatal hernias, gastroesophageal motility disorders, abdominal wall and inguinal hernias, gallbladder disease, appendicitis, diverticulitis, and gastrointestinal cancers. After completing undergraduate studies in Biomedical Engineering from the University of Michigan, Dr. Dhar earned his medical degree from the Michigan State University College of Human Medicine. He completed his general surgery residency training at the University of Cincinnati, where he was elected the Administrative Chief Resident. During this time, he also completed dedicated research fellowships with the Cincinnati Research on Outcomes and Safety in Surgery (CROSS) and Cincinnati Collaborative for Obesity Research (CCORE) groups. Following residency, he completed an Advanced Gastrointestinal, Bariatric, and Minimally Invasive Surgery fellowship at New York Presbyterian Hospital Weill Cornell Medical Center and Memorial Sloan Kettering Cancer Center. Dr. Dhar utilizes state of the art robotic and minimally invasive surgery techniques for all procedures including sleeve gastrectomy, roux-en-y gastric bypass, and duodenal switch to offer patients less pain, faster recovery, and improved cosmesis compared to traditional surgical approaches. He strongly believes in tailoring comprehensive care plans for each individual patient to achieve successful outcomes while providing thoughtful and compassionate care. Dr. Dhar has authored over 45 publications in peer-reviewed journals and has given over 50 presentations at local, regional, and national surgical meetings. He has been awarded numerous honors including the Society for Surgery of the Alimentary Tract Residents and Fellows Research Presentation Award, Central Surgical Association Best New Member Paper Award, induction into Alpha Omega Alpha, and the University of Cincinnati Max Zinninger Award. Dr. Dhar is board certified in General Surgery and holds certifications in Fundamentals of Laparoscopic Surgery and Fundamentals of Endoscopic Surgery. He is an active member of the American College of Surgeons, Society of American Gastrointestinal and Endoscopic Surgeons, American Society for Metabolic and Bariatric Surgery, and Society for Surgeons of the Alimentary Tract. Dr. Dhar is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Obesity, Pancreatic Cancer, Ogilvie Syndrome, Sleeve Gastrectomy, and Gastrectomy. Dr. Dhar is board certified in American Board Of Surgery.
Northwell Health Physician Partners Bariatric Surgery At Lenox Hill
Laura Hansen is a General Surgeon practicing medicine in New York, New York. Dr. Hansen is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. Her clinical expertise encompasses Hernia, Femoral Hernia, Retroperitoneal Inflammation, Cholecystitis, and Appendectomy. Dr. Hansen is board certified in American Board Of Surgery and American Board Of Surgery/Surgical Critical Care.
Northwell Health Physician Partners Bariatric Surgery At Lenox Hill
Jaisa Olasky is a General Surgeon practicing medicine in New York, New York. Dr. Olasky is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Hernia, Ogilvie Syndrome, Gallbladder Disease, Gastrostomy, and Hernia Surgery. Dr. Olasky is board certified in American Board Of Surgery.
Northwell Health Physician Partners Gastrointestinal Surgical Oncology At East 76th Street
Dr. Shukla serves as Regional Chief of Colon and Rectal surgery for Westchester. He sees patients and performs surgery at Lenox Hill Hospital, Phelps Memorial Hospital and Northern Westchester Hospital.He also serves as Professor of Surgery at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell.Dr. Shukla specializes in the treatment of colon and rectal cancers including advanced polyps unsuitable for colonoscopic removal, Ulcerative Colitis and Crohn's disease, Diverticulitis, and complex pelvic issues.Dr. Shukla is skilled in all established minimally invasive surgical modalities, including laparoscopic, endoscopic and robotic techniques.In addition to his clinical practice, Dr. Shukla is a renowned researcher and educator. He is widely published with over 120 articles in peer reviewed medical journals and 17 book chapters. He has served as Editor in Chief of the Journal of Colorectal Diseases and as a member of the editorial board for the World Gastroenterology Organization (WGO). Dr. Shukla is an invited reviewer for many international journals and has been an invited lecturer at hundreds of meetings and conferences around the world.Dr Shukla is a Fellow of the Royal College of Surgeons of Glasgow. He has earned many honors and awards throughout his career. Dr. Shukla is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Rectal Prolapse, Anal Fissure, Ileostomy, and Pancreaticoduodenectomy.
Northwell Health Physician Partners Gastrointestinal Surgical Oncology At East 76th Street
"Marcovalerio Melis, MD, FACS, is a surgical oncologist with more than 12 years of experience in the treatment of abdominal cancers, including those in the esophagus, stomach, liver, pancreas, colon and rectum. He joined Northwell Health in 2020 and currently serves as the chief of surgical oncology at Phelps Hospital.Dr. Melis provides highly specialized care, including hyperthermic intraoperative chemotherapy (HIPEC)-an advanced treatment option in which a concentrated dose of chemotherapy is administered during surgery. In fact, he was the first to perform a HIPEC procedure at NYU Langone Health (then New York University Hospital), and helped develop the HIPEC program for Northwell Health. As part of a multidisciplinary team, he works alongside medical oncologists, radiation oncologists and imaging technicians to provide a holistic treatment plan unique to every patient.Dr. Melis completed his residency at the University of Chicago and his fellowship at Moffitt Cancer Center in Tampa, Florida. He has published more than 100 articles in medical journals and research publications and continues to contribute to the advancement of surgical oncology to this day; currently, he's involved in research on the integration of artificial intelligence (AI) in clinical practice and how AI can enhance pancreatic cancer treatment.In the past, Dr. Melis served in leadership positions at various medical societies and committees, including the Veterans Integrated Service Networks, the Association for Academic Surgery and the American College of Surgeons. Now, he passes on his knowledge to the surgeons of tomorrow as a professor at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell.Dr. Melis always wanted to be a doctor, but he found that he was drawn to the hands-on approach of surgery while in medical school. As for oncology, it was the reward of saving lives that drew him in. ""Helping patients fight cancer is very rewarding,"" he says. ""It's a challenging time for them, and seeing their gratitude gets me through the day.""". Dr. Melis is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Pancreatic Cancer, Hiatal Hernia, Pseudomyxoma Peritonei, Pancreaticoduodenectomy, and Hepato-Pancreato-Biliary Surgery. Dr. Melis is board certified in American Board Of Surgery.
Institute For Critical Care Medicine
Anthony Manasia is an Intensive Care Medicine provider practicing medicine in New York, New York. Dr. Manasia is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Perforation. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Spinal Shock, Liver Failure, Gastrointestinal Perforation, Smoldering Multiple Myeloma, and Bone Marrow Transplant.
Mount Sinai Hospital
Sergey Khaitov is a Colorectal Surgeon practicing medicine in New York, New York. Dr. Khaitov is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Perforation. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Crohn's Disease, Hemorrhagic Proctocolitis, Ileostomy, and Hernia Surgery.
May Center For Mount Sinai Doctors
Alexander Greenstein is a General Surgeon practicing medicine in New York, New York. Dr. Greenstein is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Perforation. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Ogilvie Syndrome, Retroperitoneal Inflammation, Secondary Peritonitis, Ileostomy, and Hernia Surgery. Dr. Greenstein is currently accepting new patients.
Mount Sinai West
Carl Dickler is a Colorectal Surgeon practicing medicine in New York, New York. Dr. Dickler is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Perforation. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Anal Fissure, Hemorrhoids, Gastrointestinal Perforation, Hernia Surgery, and Gallbladder Removal.
The St. Lukes Roosevelt Hospital Center
Raymond Wedderburn is an Intensive Care Medicine provider practicing medicine in New York, New York. Dr. Wedderburn is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Perforation. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Subdural Hematoma, Chronic Subdural Hematoma, Delirium, Gastrostomy, and Hernia Surgery.
George Tsioulias is a General Surgeon practicing medicine in Astoria, New York. He has been practicing medicine for over 44 years. Dr. Tsioulias is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Pilonidal Sinus Disease, Cholecystitis, Gallbladder Disease, Hernia Surgery, and Colostomy.
The Mount Sinai Hospital Queens
Bernard Biviano is an Intensive Care Medicine provider practicing medicine in Astoria, New York. Dr. Biviano is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. His clinical expertise encompasses Hernia, Cholecystitis, Retroperitoneal Inflammation, Gallbladder Disease, and Gastrostomy.
Surgical Oncology - Upper East Side
Michael Lieberman is a General Surgeon practicing medicine in New York, New York. Dr. Lieberman is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Hernia, Gallbladder Disease, Gallstones, Pancreatectomy, and Small Bowel Resection.
Memorial Sloan Kettering Cancer Center
Georgios Karagkounis is a Colorectal Surgeon practicing medicine in New York, New York. Dr. Karagkounis is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Lynch Syndrome, Hepato-Pancreato-Biliary Surgery, and Ileostomy.
Panagiotis Manolas is a General Surgeon practicing medicine in New York, New York. He has been practicing medicine for over 44 years. Dr. Manolas is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Hernia, Breast Cancer, Paget Disease of the Breast, Hernia Surgery, and Lymphadenectomy.
Colon And Rectal Surgery
Lea Lowenfeld is a Colorectal Surgeon practicing medicine in New York, New York. Dr. Lowenfeld is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. Her clinical expertise encompasses Anal Cancer, Triple-Negative Breast Cancer, HER-2 Positive Breast Cancer, Colostomy, and Bladder Reconstruction.
Trauma, Burns, Acute And Critical Care
Jian Shou is a General Surgeon practicing medicine in New York, New York. Dr. Shou is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Retroperitoneal Inflammation, Hernia, Gallbladder Disease, Gastrostomy, and Small Bowel Resection.
Institute For Critical Care Medicine
Adel Bassily is an Intensive Care Medicine provider practicing medicine in New York, New York. Dr. Bassily is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Spinal Shock, Malnutrition, Liver Failure, Gastrostomy, and Bladder Reconstruction.
Last Updated: 04/28/2026






