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Bharat Dasani, MD, is a gastroenterologist at GI Endoscopy Practice. At the practice’s two locations in Riverdale and Parsippany, New Jersey, he is dedicated and takes pride in offering comprehensive solutions for all disorders of the gastrointestinal systems. He makes every effort to make invasive endoscopic procedures for patients as smooth and easy as possible. 

Dr. Dasani earned his Bachelor of Medicine, Bachelor of Surgery (MBBS), and Master of Science from M.P. Shah Medical College in Jamnagar, India. He then completed further training in internal medicine and gastroenterology from Monmouth Medical Center in Long Branch, New Jersey, and Mount Sinai Hospital in New York City.

Dr. Dasani is affiliated with several New Jersey hospitals, including Chilton Memorial Hospital, St. Joseph’s Wayne Hospital, and St. Clare’s Hospital. He is certified by the American Board of Internal Medicine in Internal Medicine and Gastroenterology and is a member of the American College of Gastroenterologists, American Society for Gastrointestinal Endoscopy, American Gastroenterological Association, American Medical Association, and American Association for the Study of Liver Diseases. Furthermore, he has authored numerous publications and licensed to practice in New Jersey and New York.

At GI Endoscopy Practice, Dr. Dasani is aware of each patient’s personal priorities and strives to serve their needs with compassion. His unique training and experience provide state-of-the-art diagnostic and treatment methods for the highest quality of care. Although he focuses on concerns of the digestive tract, he also works with other physicians involved in each of his patients’ care to achieve the most optimal care results. 

GI Endoscopy Practice offers treatments for a variety of gastroenterological conditions, including colon polyps, gastroesophageal reflux disease (GERD), irritable bowel syndrome, liver disease, and ulcerative colitis. The team also provides colon cancer screenings and procedures such as colonoscopies and endoscopies.

To schedule an appointment at GI Endoscopy Practice, call the practice or request a consultation online today.

Bharat Dasani, MD, is a gastroenterologist at GI Endoscopy Practice. At the practice’s two locations in Riverdale and Parsippany, New Jersey, he is dedicated and takes pride in offering comprehensive solutions for all disorders of the gastrointestinal systems. He makes every effort to make invasive endoscopic procedures for patients as smooth and easy as possible. 

Dr. Dasani earned his Bachelor of Medicine, Bachelor of Surgery (MBBS), and Master of Science from M.P. Shah Medical College in Jamnagar, India. He then completed further training in internal medicine and gastroenterology from Monmouth Medical Center in Long Branch, New Jersey, and Mount Sinai Hospital in New York City.

Dr. Dasani is affiliated with several New Jersey hospitals, including Chilton Memorial Hospital, St. Joseph’s Wayne Hospital, and St. Clare’s Hospital. He is certified by the American Board of Internal Medicine in Internal Medicine and Gastroenterology and is a member of the American College of Gastroenterologists, American Society for Gastrointestinal Endoscopy, American Gastroenterological Association, American Medical Association, and American Association for the Study of Liver Diseases. Furthermore, he has authored numerous publications and licensed to practice in New Jersey and New York.

At GI Endoscopy Practice, Dr. Dasani is aware of each patient’s personal priorities and strives to serve their needs with compassion. His unique training and experience provide state-of-the-art diagnostic and treatment methods for the highest quality of care. Although he focuses on concerns of the digestive tract, he also works with other physicians involved in each of his patients’ care to achieve the most optimal care results. 

GI Endoscopy Practice offers treatments for a variety of gastroenterological conditions, including colon polyps, gastroesophageal reflux disease (GERD), irritable bowel syndrome, liver disease, and ulcerative colitis. The team also provides colon cancer screenings and procedures such as colonoscopies and endoscopies.

To schedule an appointment at GI Endoscopy Practice, call the practice or request a consultation online today.

Zachary Marwil, MD, is a highly respected and sought-after gastroenterologist on Long Island. Dr. Marwil is a partner at Gastrointestinal Specialists of Long Island (GISLI) and also serves as the managing director at the Northwell Health Endoscopy Center of Long Island. He is board-certified in both gastroenterology and internal medicine.

Dr. Marwil attended the University of Michigan as an undergraduate and earned his Doctor of Medicine from St. George’s University School of Medicine.

Dr. Marwil completed his residency in internal medicine at the State University of New York (SUNY) Downstate Medical Center, where he also had the honor of serving as the chief resident in the department of medicine. He continued his training as a fellow and then as chief fellow in the division of gastroenterology and hepatology at SUNY Downstate Medical Center.

Both during his post-graduate training and as an attending, Dr. Marwil has authored several research abstracts and journal articles. His findings have been published in peer-reviewed journals and presented at national meetings. 

Having held several teaching positions, Dr. Marwil is currently on faculty as an Assistant Professor at the Zucker School of Medicine at Hofstra. He is a member of the American College of Gastroenterology, the American Society of Gastrointestinal Endoscopy, and the New York Society for Gastroenterology and Endoscopy.

Dr. Marwil takes great pride in offering state-of-the-art gastroenterology care for people of all ages and strives to treat each patient with the care and empathy they deserve. When not in the office, Dr. Marwil stays active through mountain biking, skiing, golf, and tennis. He mostly enjoys spending time with his wife and two daughters.

Jeffery Novak, MD, FACG, is a gastroenterologist and partner at Gastrointestinal Specialists of Long Island (GISLI) located in Wantagh and Malverne, New York. He is also a founding member of the Endoscopy Center of Long Island in Garden City, New York. He has been serving patients in the area since 1998. 

Dr. Novak earned his Bachelor of Science in biology from Trinity College, where he was a member of Phi Beta Kappa and received several academic honors. 

Dr. Novak attended medical school at the Albert Einstein College of Medicine, where he earned honors in gastroenterology, infectious disease, and other specialties.

After graduation, Dr. Novak completed his internship and residency in internal medicine at Mount Sinai Hospital in New York City. He then completed his fellowship in gastroenterology at Jackson Memorial Hospital Center in Miami, Florida.

Dr. Novak brings over 25 years of experience to his patients at Gastrointestinal Specialists of Long Island. He diagnoses and treats all gastrointestinal conditions, with his ultimate goal being to ensure that each patient feels comfortable and valued under his care. 

Dr. Novak is a Diplomate of the American Board of Gastroenterology and the American Board of Internal Medicine. He is a member of the American College of Gastroenterology, the American Society of Gastrointestinal Endoscopy, the New York Society for Gastroenterology and Endoscopy, and the Nassau County Medical Society.

I practice traditional Mt. Sinai trained medicine, with a great appreciation for Integrative and alternative approaches. I look for the latest high-tech approaches including genetic testing, neurocognitive screening, and testing with ‘liquid biopsies’ by a blood test that picks up very early cancers.

I am very open to questions, and I have many years of extensive relationships with excellent subspecialists in various hospitals around the city.

With Elsa, my amazingly competent ‘right hand’, I am available by text when you have a sudden medical concern, when you need lab or X-ray results quickly, a medication refill, an appointment or timing issue, a Covid or booster question, or a question about medication in the news that might pertain to your health.

Elsa Manelli is the heart and soul of the concierge practice. Primary contact person and office manager. Elsa receives and responds to texts and calls reliably, compassionately, and supports me, Stacy, and my patients in a caring and timely fashion. She has trained Allison and Cintia, my office staff, to be equally caring and responsive. Treat them all well, please!

I want to work with patients who appreciate collaboration! ‘You and me versus the issue at hand’.

And I am fortunate to work alongside a wonderful physician assistant with 15 years of experience named Stacy Beaupre who is very involved in integrative care and will be helping me evaluate neurocognitive function. She too is available and on-call.

I can only take a limited number of new concierge patients and I welcome a scheduled five-minute phone conversation where we can see if we are a good fit for one another.

Dr. Steven Guttmann, MD is board certified in Internal Medicine and Gastroenterology. He received his BA in psychology from Brooklyn College/CUNY and went on to receive his medical degree from Sackler University. Steven completed his medical residency at Maimonides Medical Center in Brooklyn. After serving as Chief Medical Resident he completed his Gastroenterology Fellowship at Maimonides Medical Center.

Following fellowship, Dr. Guttmann served as a staff attending at Forest Hill-Long Island Jewish Hospital as well as the Director of Endoscopy. He subsequently went on to run a busy inpatient gastroenterology service at Long Island Jewish and North Shore University Hospitals/Northwell.

Dr. Guttmann is an Assistant Professor of Medicine at Hofstra University Medical School and has numerous national publications and presentations on gastrointestinal topics. His interests include general luminal gastroenterology, inflammatory bowel disease, hepato-pancreaticobiliary disease, and therapeutic GI.

Dr. Guttmann is driven by the bonds he builds with his patients, working together with them to achieve a healthy life. 

Dr. Anthony Ng, M.D., is a leading gastroenterologist dedicated to providing state-of-the-art care to patients from Brooklyn, New York to Lower Manhattan, New York, and throughout the Greater New York City metro region. As the founding physician of GI Health, Dr. Ng offers a comprehensive array of diagnostic and treatment options for patients with issues affecting the gastrointestinal system, including chronic and acute stomach pain, colon cancer, hemorrhoids, and acid reflux, using the most advanced techniques for colonoscopy, upper endoscopy and wireless capsule endoscopy using the PillCam system. Dr. Ng also provides non-invasive screening for colorectal cancer with stool testing including the ground-breaking Cologuard fecal DNA test. In addition, he offers medical weight loss programs customized for the needs of the individual patient for optimal long-term results.

After receiving his medical degree, Dr. Ng completed his training in internal medicine at The Beth Israel Deaconess Hospital in Boston, one of the three major Harvard teaching hospitals, followed by a residency in gastroenterology at The Mount Sinai Hospital in New York City. In addition to caring for patients at his practice, Dr. Ng is also a clinical instructor of medicine at both New York Presbyterian Hospital - Weill Cornell Medical Center and Mount Sinai - Beth Israel Hospital, both top-ranked medical centers in New York City.

At GI Health, Dr. Ng welcomes the opportunity to provide skilled, compassionate, patient-centered care for men and women from throughout New York City.