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Jeffrey Crespin, MD

Jeffrey Crespin, MD, has been a practicing gastroenterologist in Manhattan for more than 20 years and has convenient office locations across New York City in the Upper East Side, Midtown East, and Midtown West. As a board-certified gastroenterologist, Dr. Crespin strives to provide the highest quality medical care in a compassionate, professional, and personalized manner.

Dr. Crespin graduated cum laude from Harvard University with a bachelor’s degree in biology. After spending a year studying cinema, psychology, and literature at the Sorbonne in France, Dr. Crespin attended Washington University School of Medicine in St. Louis, Missouri, where he graduated with his medical degree. He then completed his internship and residency training through the University of Minnesota before rounding out his training with a fellowship in gastroenterology at Northwestern Memorial Hospital in Chicago, Illinois. In addition to his medical education and training, Dr. Crespin has a Master of Business Administration from the New York University (NYU) Stern School of Business.

Before opening up his private practice, Dr. Crespin served as the director of the Columbia-St. Luke's Roosevelt GI clinic. He is expertly trained in endoscopic procedures, which allows for direct visualization of the intestinal tract for optimal diagnosis, treatment, and prevention of gastrointestinal diseases such as irritable bowel syndrome, Crohn’s disease, and colitis. To ensure his patients have access to the best care possible, Dr. Crespin conveniently offers same-day, late-hour, and weekend appointments.

Recognized as one of New York’s “Top Doctors,” Dr. Crespin is affiliated with NYU Lenox Hill Hospital, St. Luke's Roosevelt, and the Beth Israel hospitals. He is also a clinical assistant professor of medicine at NYU.

Murray Orbuch, MD, is a board-certified gastroenterologist with more than 25 years of experience providing expert care at his New York City practice. With two convenient locations in SoHo and the Financial district, Dr. Orbuch is committed to providing his patients with the best possible care, spending unhurried time to fully and accurately diagnose the problem.

In addition to managing general gastroenterology needs, Dr. Orbuch also specializes in Crohn’s disease, ulcerative colitis, irritable bowel syndrome, and Celiac sprue, as well as gastrointestinal endoscopy and colonoscopy procedures. Through his affiliation with the world-class Mount Sinai Medical Center, he is able to provide timely access to the best and latest medical technology, along with other specialty care when needed.

After earning his undergraduate degree, Dr. Orbuch pursued his Doctor of Medicine at the State University of New York-Downstate College of Medicine. He completed his internship and residency at New York University Medical Center and his fellowship in gastroenterology at Georgetown University Medical Center in Washington DC, and The National Institutes of Health in Bethesda, Maryland.

Dr. Orbuch is dedicated to his career and has authored 16 scholarly papers and book chapters and is currently an Assistant Professor of Gastroenterology at The Mount Sinai Medical School. 

Recognized and respected by his patients and peers, he has been continuously voted one of New York City-Metro SuperDoctors® (2010 - 2024), and named to the prestigious Castle-Connolly America’s Top Doctors® directory (2015 -2024).    

Outside of the office, Dr. Orbuch is an avid photographer and wine connoisseur. He’s also conversant in four languages: English, Hebrew, Romanian.

Dr. Hon-Ming Eng, MD is a board certified gastroenterologist practicing at Greater New York Gastroenterology, located in the Flatiron district of New York City. Since the practice opened in 2004, Dr. Eng and his colleagues have provided a variety of services including treatments for acid reflux, hepatitis, Irritable Bowel Syndrome (IBS), and Crohn’s Disease. Screening procedures like colonoscopies and endoscopies to accurately diagnose conditions like colon cancer are also available.

Dr. Eng completed his medical degree at the State University of New York – Down State Medical Center and served his internship and residency at Boston City Hospital and Mt. Sinai Medical Center. Dr. Eng also participated in a three-year fellowship in Gastroenterology at Thomas Jefferson University Hospital.

Patients benefit from Dr. Eng’s years of experience and dedication to providing the highest quality care to his patients. He and his colleagues specialize in diagnosing and treatments of conditions of the digestive tract. They specialize in colon cancer screening and acid reflux disorders as well as a variety of other stomach and liver diseases. They help patients to improve and maintain good digestive health. Dr. Eng aims to treat every patient with the greatest respect and endeavors to ensure they receive the highest possible quality care.

Dr. Eng and Greater New York Gastroenterology are currently welcoming new patients and accept most major forms of insurance and Medicare.

Meet Dr. Ascunce

Gil I. Ascunce, MD, is a board-certified gastroenterologist in New York City who treats patients from his main office in Manhattan on Madison Avenue, as well as in several non-profit community healthcare centers throughout the city. Dr. Ascunce has expertise in a wide range of gastrointestinal disorders and conditions including acid reflux, abdominal pain, constipation, and diarrhea. He also has special expertise in pancreatic diseases, removing large polyps, and Barrett's esophagus. He was born in Virginia to Cuban and Spanish immigrants, and he has native fluency in both Spanish and English.

Dr. Ascunce completed his undergraduate and graduate studies at Georgetown University in Washington, D.C. At Georgetown, he excelled in academics and was also a decorated varsity athlete for the Hoyas’ Big East championship soccer team. After completing his undergraduate studies, Dr. Ascunce went on to earn a Master of Science in Physiology and Biophysics and then also earned his medical degree at the Georgetown University School of Medicine, where he graduated with honors.

Dr. Ascunce then moved to New York for a residency in Internal Medicine at New York-Presbyterian Hospital-Weill Cornell Medical Center in Manhattan. After residency, he continued his medical education and completed a fellowship in Gastroenterology at the University of Miami/Jackson Memorial Hospital in South Florida. While training in gastroenterology, Dr. Ascunce developed a special interest in advanced endoscopic procedures. Finally, he returned to New York for an additional year of specialized training with an advanced therapeutic endoscopy fellowship at Beth Israel Medical Center in Manhattan. While he was once a full-time interventional endoscopist and in academic practice, his current practice emphasis is to treat and educate his patients and their community for all gastrointestinal diseases.

Dr. Ascunce is an Assistant Clinical Professor of Medicine at the Icahn School of Medicine at Mount Sinai, and he teaches medical residents and gastroenterologists-in-training at Mount Sinai Beth Israel Medical Center. Dr. Ascunce has engaged in various research projects including basic science research, clinical pharmacology, and clinical research. He has published papers in several major gastroenterology journals and he has presented his research at several national conferences.

Murray Orbuch, MD, is a board-certified gastroenterologist with more than 25 years of experience providing expert care at his New York City practice. With two convenient locations in SoHo and the Financial district, Dr. Orbuch is committed to providing his patients with the best possible care, spending unhurried time to fully and accurately diagnose the problem.

In addition to managing general gastroenterology needs, Dr. Orbuch also specializes in Crohn’s disease, ulcerative colitis, irritable bowel syndrome, and Celiac sprue, as well as gastrointestinal endoscopy and colonoscopy procedures. Through his affiliation with the world-class Mount Sinai Medical Center, he is able to provide timely access to the best and latest medical technology, along with other specialty care when needed.

After earning his undergraduate degree, Dr. Orbuch pursued his Doctor of Medicine at the State University of New York-Downstate College of Medicine. He completed his internship and residency at New York University Medical Center and his fellowship in gastroenterology at Georgetown University Medical Center in Washington DC, and The National Institutes of Health in Bethesda, Maryland.

Dr. Orbuch is dedicated to his career and has authored 16 scholarly papers and book chapters and is currently an Assistant Professor of Gastroenterology at The Mount Sinai Medical School. 

Recognized and respected by his patients and peers, he has been continuously voted one of New York City-Metro SuperDoctors® (2010 - 2024), and named to the prestigious Castle-Connolly America’s Top Doctors® directory (2015 -2024).    

Outside of the office, Dr. Orbuch is an avid photographer and wine connoisseur. He’s also conversant in four languages: English, Hebrew, Romanian.

Moushumi Sanghavi, MD, is board certified in both internal medicine and gastroenterology. At Gastroenterology on Gramercy Park in New York City, she treats all aspects of gastrointestinal and liver disease, but she has a special interest in irritable bowel syndrome and inflammatory bowel disease. She is also a partner of East Side Endoscopy, a nearby state-of-the-art ambulatory surgical center. Dr. Sanghavi is one of a few female gastroenterologists in New York City, and she has considerable experience treating diseases predominantly affecting women. She performs diagnostic and therapeutic upper endoscopy and colonoscopy procedures and noninvasively treats internal hemorrhoids with infrared coagulation and endoscopic banding. Dr. Sanghavi received her bachelor of arts degree from Yale University in New Haven, Connecticut. She attended medical school at New York University School of Medicine and completed her internal medicine residency at The Mount Sinai Hospital in New York City. She went on to complete her fellowship in gastroenterology training at Montefiore Medical Center in New York City. She is a member of the American College of Gastroenterology, the American Gastroenterological Association and the American Society of Gastrointestinal Endoscopy. She is affiliated with Mt. Sinai Beth Israel in New York City. Dr. Sanghavi speaks English and Spanish.

Albert M. Harary, MD, is a board-certified gastroenterologist and internal medicine physician, practicing on Manhattan’s Upper East Side since 1984. Dr. Harary is located in the Park 55 Building and offers a wide range of advanced diagnostic and treatment services to residents of New York City and Tri-state area.

Dr. Harary is listed as a Top Doctor by the Castle Connolly Guide. He is also a part of the medical staff at both Lenox Hill Hospital and New York University Langone Medical Center, and is a fellow of the American College of Physicians. In addition to his private practice work, Dr. Harary is a clinical assistant professor at New York University School of Medicine and serves as the director of the GI motility unit at Lenox Hill Hospital.

Focused on staying up to date with the latest endoscopic techniques for treating a variety of conditions, Dr. Harary has a special interest in esophageal and gastrointestinal motility disorders, gastroesophageal reflux disease (GERD), irritable bowel syndrome, inflammatory bowel disease, and liver disease. He is a published author, with many of his research papers on gastrointestinal and liver disease and endoscopic techniques appearing in medical journals and book chapters.

A magna cum laude graduate of Harvard College, Dr. Harary earned his medical degree from Columbia University College of Physicians and Surgeons. He completed both his internship and residency in internal medicine and his fellowship training in gastroenterology at the University of Miami Affiliated Hospitals. After graduation, Dr. Harary relocated to the East Side of Manhattan in New York City, where he has been serving patients ever since.

When not assisting his patients, Dr. Harary spends time hiking and enjoying Manhattan with his wife and three children. 

View Dr. Harary's Publications

Jeffrey Crespin, MD

Jeffrey Crespin, MD, has been a practicing gastroenterologist in Manhattan for more than 20 years and has convenient office locations across New York City in the Upper East Side, Midtown East, and Midtown West. As a board-certified gastroenterologist, Dr. Crespin strives to provide the highest quality medical care in a compassionate, professional, and personalized manner.

Dr. Crespin graduated cum laude from Harvard University with a bachelor’s degree in biology. After spending a year studying cinema, psychology, and literature at the Sorbonne in France, Dr. Crespin attended Washington University School of Medicine in St. Louis, Missouri, where he graduated with his medical degree. He then completed his internship and residency training through the University of Minnesota before rounding out his training with a fellowship in gastroenterology at Northwestern Memorial Hospital in Chicago, Illinois. In addition to his medical education and training, Dr. Crespin has a Master of Business Administration from the New York University (NYU) Stern School of Business.

Before opening up his private practice, Dr. Crespin served as the director of the Columbia-St. Luke's Roosevelt GI clinic. He is expertly trained in endoscopic procedures, which allows for direct visualization of the intestinal tract for optimal diagnosis, treatment, and prevention of gastrointestinal diseases such as irritable bowel syndrome, Crohn’s disease, and colitis. To ensure his patients have access to the best care possible, Dr. Crespin conveniently offers same-day, late-hour, and weekend appointments.

Recognized as one of New York’s “Top Doctors,” Dr. Crespin is affiliated with NYU Lenox Hill Hospital, St. Luke's Roosevelt, and the Beth Israel hospitals. He is also a clinical assistant professor of medicine at NYU.

Dr. Blair Lewis is a well-respected and experienced New York City gastroenterologist providing care for all sorts of gastrointestinal diseases and conditions at his private practice on Manhattan's Upper East Side. As a board-certified gastroenterologist with more than 72 scientific papers, 25 book chapters and three books to his credit, Dr. Lewis is skilled in a wide array of procedures and treatments aimed at diagnosing and treating GI issues, including endoscopy, colonoscopy, capsule endoscopy and colon cancer screening, as well as the care and management of diseases and conditions like gastroesophageal reflux disease (GERD), colonic polyps and inflammatory bowel disease (IBD). He is considered to be one of the world's leading experts in endoscopy and is widely considered to be the “father” of the capsule endoscopy technique, having served as the primary investigator of several early clinical trials.

Dr. Lewis received his M.D. From Albert Einstein College of Medicine, performing his residency in internal medicine at Montefiore Medical Center and a fellowship in internal medicine at Mount Sinai Hospital. In addition to his private practice, Dr. Lewis holds a faculty appointment at Mount Sinai Hospital and is a clinical professor of medicine at the Icahn School of Medicine at Mount Sinai. Named one of New York City's 100 best doctors, Dr. Lewis has been featured on CNN, NBC and CBS Nightly Newscasts, ABC’s 20/20, and NBC’s The Today Show.

Dr. Lewis also chaired the annual International Conference of Capsule Endoscopy, and he is past president of the New York Society for Gastrointestinal Endoscopy and the New York Academy of Gastroenterology. He teaches courses in capsule endoscopy nationally and internationally.

Committed to providing each patient with the information he or she needs to make educated, informed treatment decisions, Dr. Lewis offers one-on-one gastroenterology consultations to provide information about care, answer questions and address concerns. Each plan of treatment is carefully developed, taking multiple factors into account to ensure the best possible outcome based on every patient's unique medical needs and overall health.

Dr. Lewis welcomes new patients, and his practice accepts most major forms of medical insurance.

Jeffrey Crespin, MD

Jeffrey Crespin, MD, has been a practicing gastroenterologist in Manhattan for more than 20 years and has convenient office locations across New York City in the Upper East Side, Midtown East, and Midtown West. As a board-certified gastroenterologist, Dr. Crespin strives to provide the highest quality medical care in a compassionate, professional, and personalized manner.

Dr. Crespin graduated cum laude from Harvard University with a bachelor’s degree in biology. After spending a year studying cinema, psychology, and literature at the Sorbonne in France, Dr. Crespin attended Washington University School of Medicine in St. Louis, Missouri, where he graduated with his medical degree. He then completed his internship and residency training through the University of Minnesota before rounding out his training with a fellowship in gastroenterology at Northwestern Memorial Hospital in Chicago, Illinois. In addition to his medical education and training, Dr. Crespin has a Master of Business Administration from the New York University (NYU) Stern School of Business.

Before opening up his private practice, Dr. Crespin served as the director of the Columbia-St. Luke's Roosevelt GI clinic. He is expertly trained in endoscopic procedures, which allows for direct visualization of the intestinal tract for optimal diagnosis, treatment, and prevention of gastrointestinal diseases such as irritable bowel syndrome, Crohn’s disease, and colitis. To ensure his patients have access to the best care possible, Dr. Crespin conveniently offers same-day, late-hour, and weekend appointments.

Recognized as one of New York’s “Top Doctors,” Dr. Crespin is affiliated with NYU Lenox Hill Hospital, St. Luke's Roosevelt, and the Beth Israel hospitals. He is also a clinical assistant professor of medicine at NYU.

Dr. Jeffrey M. Loria has been practicing leading-edge gastroenterology and internal medicine for over two decades. Conveniently located on New York City’s Upper East Side, he provides comprehensive consultations with unparalleled attention to detail and each patient’s unique medical history, along with a full scope of the most advanced diagnostic and treatment modalities. Dr. Loria performs upper GI endoscopy, colonoscopy, colon cancer screening, capsule endoscopy, flexible sigmoidoscopy, and more. He routinely treats such conditions as acid reflux (GERD), abdominal pain, hemorrhoids, and irritable and inflammatory bowel disease. He is passionate about colon cancer screening.

All endoscopic procedures are performed at Carnegie Hill Endoscopy, a 15,000-square foot state-of-the-art facility located on Lexington Avenue between 97th and 98th street. 

In addition to his extensive knowledge and superb technical skill, Dr. Loria is most appreciated by patients for always taking the time to thoroughly answer their questions and explain diagnoses and treatment options in easy-to-understand language.

A graduate of Emory University and New York Medical College, Dr. Loria currently serves as a clinical instructor at the NYU School of Medicine and is an active attending physician at NYU Medical Center and Lenox Hill Hospital. He is a member of the American Gastroenterological Association and the American College of Gastroenterology. 

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.

Adam Moskowitz, MD, is an experienced physician at Vantage Medical Associates PC, which has locations in the Bergen Beach, Coney Island, Williamsburg, and Sheepshead Bay neighborhoods in Brooklyn, the Far Rockaway neighborhood in Queens, and Brentwood, West Hempstead, and Babylon, New York. Dr. Moskowitz has been in practice for over two decades and has extensive experience in family medicine, internal medicine, and gastroenterology. He currently has hospital privileges at Champlain Valley Physicians Hospital, Wyckoff Heights Medical Center, and New York Community Hospital of Brooklyn.

Dr. Moskowitz graduated from Brandeis University in Waltham, Massachusetts, with his bachelor’s degree. He then completed continuing education courses at Hofstra University in Hempstead, New York, before graduating with his medical degree at Sackler School of Medicine at Tel Aviv University in Tel Aviv, Israel. He completed a psychiatry residency at Long Island Jewish Medical Center, New Hyde Park, New York, as well as a residency in internal medicine and fellowship in gastroenterology at Winthrop University Hospital in Mineola, New York.

He is a member of several professional organizations, including the American Gastroenterological Association, New York Society for Gastrointestinal Endoscopy, American College of Physicians, and American Society for Gastrointestinal Endoscopy. 

Dr. Boris Chusid is a gastroenterology specialist with over 30 years of experience in his profession. He earned his medical degree from Brown University School of Medicine in 1991 and completed his residency at Lenox Hill Hospital in 1998. Dr. Chusid’s clinical expertise is vast, with specific emphasis on the following gastrointestinal diseases and disorders: 

Diarrhea

Gastroesophageal reflux disease (GERD)

Hemorrhoids

Hepatitis

Inflammatory bowel disease (IBD)

Dr. Chusid’s passion for helping his patients find the best health outcomes resulted in him performing over 35,000 endoscopic procedures over the course of his career. Dr. Chusid specializes in the following gastrointestinal procedures:

Colonoscopy

Hemorrhoid ligation

Endoscopic Retrograde Cholangiopancreatography (ERCP)

Polypectomy

Upper endoscopy

Dr. Chusid uses the most advanced diagnostic techniques and minimally invasive methods to achieve the best possible results for each of his patients. Dr. Chusid is fluent in Russian and has some fluency in Spanish, allowing him to treat and help patients from a variety of backgrounds.

Adam Moskowitz, MD, is an experienced physician at Vantage Medical Associates PC, which has locations in the Bergen Beach, Coney Island, Williamsburg, and Sheepshead Bay neighborhoods in Brooklyn, the Far Rockaway neighborhood in Queens, and Brentwood, West Hempstead, and Babylon, New York. Dr. Moskowitz has been in practice for over two decades and has extensive experience in family medicine, internal medicine, and gastroenterology. He currently has hospital privileges at Champlain Valley Physicians Hospital, Wyckoff Heights Medical Center, and New York Community Hospital of Brooklyn.

Dr. Moskowitz graduated from Brandeis University in Waltham, Massachusetts, with his bachelor’s degree. He then completed continuing education courses at Hofstra University in Hempstead, New York, before graduating with his medical degree at Sackler School of Medicine at Tel Aviv University in Tel Aviv, Israel. He completed a psychiatry residency at Long Island Jewish Medical Center, New Hyde Park, New York, as well as a residency in internal medicine and fellowship in gastroenterology at Winthrop University Hospital in Mineola, New York.

He is a member of several professional organizations, including the American Gastroenterological Association, New York Society for Gastrointestinal Endoscopy, American College of Physicians, and American Society for Gastrointestinal Endoscopy.