Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Kostas Sideridis, DO, is an osteopathic doctor at Long Island Gastro in Syosset, Long Island, New York.
Dr. Sideridis earned his degree at the New York Institute of Technology College of Osteopathic Medicine. He then completed his internship at the Wyckoff Heights Medical Center in Brooklyn, New York, and completed his residency at New York University Winthrop Hospital. Dr. Sideridis then went on to complete his fellowship in gastroenterology at the Long Island Jewish Medical Center. After completing his fellowship, Dr. Sideridis helped co-found Long Island Gastro.
Dr. Sideridis takes the time to listen to patient concerns and discuss the variety of treatment options available. Dr. Sideridis is dedicated to being a partner to patients seeking to improve their overall health. Patients with hepatopancreatobiliary diseases and irritable bowel syndrome have found the relief they need with Dr. Sideridis. He is also a proponent of therapeutic endoscopy to treat a variety of gastrointestinal issues.
For a doctor that cares about patient satisfaction, and offers the best possible treatment, book an appointment online or by phone with Dr. Sideridis.
“Dr Kostas Sideridis is the best doctor in the world. He addressed my issue explained what steps he would take to investigate my digestive issues. I went for testing the following morning and he called me with the result ASAP!Cant get better service than that. He answered all my questions and is very knowledgeable. Not an alarmist! I would recommend Dr S to everyone I know and to all I don’t know! ”
Jaydeep Kadam, MD, is a board-certified gastroenterologist at Long Island Gastro in Syosset, Long Island, New York. Dr. Kadam majored in public health at John Hopkins University in Baltimore, Maryland. He then went on to earn his medical degree at Ross University School of Medicine. Dr. Kadam later completed his fellowship in gastroenterology at the Long Island Jewish Medical Center in New York.
Dr. Kadam’s vast experience and knowledge of the digestive system have been well documented in countless national publications. He has also been a presenter on gastrointestinal and liver topics on a national level. Currently, Dr. Kadam is a consultant for various pharmaceutical companies as they conduct gastroenterological research. He also serves as the President-elect of the Medical Staff Society at the North Shore University Hospital in Manhasset, New York.
As a co-founder of Long Island Gastro, Dr. Kadam is involved in assisting patients dealing with various digestive issues. Men and women of various ages have received compassionate and effective treatment for conditions like liver disease, reflux disorders, and heartburn. Dr. Kadam helps many patients prevent colon cancer through regular checkups. His compassionate and understanding approach to patient health ensures that patients receive the care and attention they need from an expert gastroenterologist.
To find relief from digestive issues, book an appointment with Dr. Kadam either online or by calling the office of Long Island Gastro today.
Mit Shah, MD, is a dedicated and skilled gastroenterologist who enjoys helping patients with their unique health concerns and needs at The Gastroenterology Practice in Levittown and Queens, New York. Dr. Shah has treated and cared for a broad range of conditions, including abdominal pain, colon cancer, hemorroids, colyn polyps, heartburn as well as rectal bleeding.
Dr. Shah began his studies at Northeastern University, completing his Bachelor of Science in Biology. He then went on to pursue his medical education at the American University of Antigua, and achieved his Doctor of Medicine (MD) Magna Cum Laude.
He is also passionate learner, pursuing additional educational opportunities to receive further speciality education. Dr. Shah took part in a residency program for internal medicine at Nassau University Medical Center, and became a chief resident during his time there. He joined a fellowship for gastroenterology and hepatology there as well.
Dr. Shah is an active member of several professional associations, including gastroenterology organizations such as the American Gastroenterological Association (AGA), American College of Gastroenterology (ACG), American Society for Gastrointestinal Endoscopy (ASGE), and New York Society for Gastrointestinal Endoscopy (NYSGE). In addition, he enjoys holding membership in the American Association for the Study of Liver Diseases (AASLD) and the American College of Physicians (ACP).
Dr. Shah is a board-certified physician in gastroenterology and internal medicine through the American Board of Internal Medicine (ABIM) and is pursuing board certification in obesity management (ABOM).
Residents in Queens and Levittown, New York, who are searching for a dedicated and skilled physician for their gastrointestinal issues, should schedule a time to meet with Dr. Shah at The Gastroenterology Practice and learn more about his wonderful treatment options for optimal health.
Dr. Davinder Singh is a board-certified gastroenterologist at The Gastroenterology Practice in Levittown, New York, providing exceptional, personalized care for patients with all types of digestive health concerns. He brings world-class expertise from renowned institutions, including the Mayo Clinic and the Cleveland Clinic, where he treated a wide range of gastrointestinal conditions, performed advanced endoscopic procedures, and trained the next generation of gastroenterologists.
Recognized internationally as an expert in the gut microbiome and the application of artificial intelligence in healthcare, Dr. Singh’s research and publications have been extensively cited in the medical literature. His work bridges cutting-edge science with real-world clinical care, advancing innovation in digestive health.
Dr. Singh played a key role in helping the Mayo Clinic establish its Inflammatory Bowel Disease (IBD) clinic and led the nutrition program at the Cleveland Clinic, where he also taught and mentored gastroenterology fellows. He specializes in IBS, acid reflux, inflammatory bowel disease, celiac disease, liver disorders, and gastrointestinal nutrition, as well as colon cancer prevention through colonoscopy.
As an Assistant Professor of Medicine at the Mayo Clinic, Dr. Singh was passionate about teaching, performed complex procedures, and led research as Principal Investigator for a multicenter study on advanced endoscopy systems for colorectal cancer screening. His contributions include publications in the Journal of Gastroenterology and Hepatology and the American College of Gastroenterology, along with a book chapter on intestinal microbes.
Fluent in English, Punjabi, Hindi, and Urdu, Dr. Singh connects easily with patients from diverse backgrounds. At The Gastroenterology Practice in Levittown, he is dedicated to helping patients improve their digestive health, regain comfort, and live life to the fullest.
Mit Shah, MD, is a dedicated and skilled gastroenterologist who enjoys helping patients with their unique health concerns and needs at The Gastroenterology Practice in Levittown and Queens, New York. Dr. Shah has treated and cared for a broad range of conditions, including abdominal pain, colon cancer, hemorroids, colyn polyps, heartburn as well as rectal bleeding.
Dr. Shah began his studies at Northeastern University, completing his Bachelor of Science in Biology. He then went on to pursue his medical education at the American University of Antigua, and achieved his Doctor of Medicine (MD) Magna Cum Laude.
He is also passionate learner, pursuing additional educational opportunities to receive further speciality education. Dr. Shah took part in a residency program for internal medicine at Nassau University Medical Center, and became a chief resident during his time there. He joined a fellowship for gastroenterology and hepatology there as well.
Dr. Shah is an active member of several professional associations, including gastroenterology organizations such as the American Gastroenterological Association (AGA), American College of Gastroenterology (ACG), American Society for Gastrointestinal Endoscopy (ASGE), and New York Society for Gastrointestinal Endoscopy (NYSGE). In addition, he enjoys holding membership in the American Association for the Study of Liver Diseases (AASLD) and the American College of Physicians (ACP).
Dr. Shah is a board-certified physician in gastroenterology and internal medicine through the American Board of Internal Medicine (ABIM) and is pursuing board certification in obesity management (ABOM).
Residents in Queens and Levittown, New York, who are searching for a dedicated and skilled physician for their gastrointestinal issues, should schedule a time to meet with Dr. Shah at The Gastroenterology Practice and learn more about his wonderful treatment options for optimal health.
Christopher Tomaino, MD, a board-certified gastroenterologist at East Coast Gastroenterology and Endoscopy, offers comprehensive care for a variety of gastrointestinal symptoms and disorders. Located in Patchogue, New York, the practice has the latest advancements in diagnostic testing to quickly find the root cause of symptoms like abdominal pain, bloating, persistent diarrhea, and chronic constipation.
Earning his medical degree from the American University of the Caribbean School of Medicine in St. Maarten, Dr. Tomaino went on to complete his residency and fellowship in both internal medicine and gastroenterology at the Icahn School of Medicine at Mount Sinai, Elmhurst New York. He is board-certified in both internal medicine and gastroenterology by the American Board of Internal Medicine.
Dr. Tomaino specializes in creating customized treatment plans to address individual patient needs and uses the latest technologies to perform colonoscopy and upper endoscopy. In addition to diagnosing the cause of unexplained symptoms, Dr. Tomaino can address acute and chronic gastrointestinal disorders like acid reflux, Crohn’s disease, ulcerative colitis, and diverticulitis.
East Coast Gastroenterology and Endoscopy also offers comprehensive services to treat painful hemorrhoids using minimally invasive techniques. Dr. Tomaino can also diagnose all stages of liver disease. He customizes a treatment plan to manage the condition in the long-term and reduce risk factors for complications like liver failure.
To learn more about the available diagnostic technologies and treatment options available for gastrointestinal conditions, call East Coast Gastroenterology and Endoscopy to schedule an appointment or book one online today.
Michael Ashamalla, MD, is a board-certified gastroenterologist who proudly serves the patients of Syosset, Long Island, New York, at Long Island Gastro. Specializing in gastroenterology, hepatology, and nutrition, Dr. Ashamalla offers expert care for a wide range of digestive health concerns—from acid reflux and abdominal pain to liver disease and irritable bowel syndrome (IBS).
Dr. Ashamalla began his medical career through the prestigious combined BA/MD program at Siena College and Albany Medical College, graduating magna cum laude. He completed his residency in Internal Medicine at North Shore/LIJ (now Northwell Health), where he served as Chief Medical Resident. He went on to complete his fellowship in Gastroenterology at NYU Langone Health, one of the nation's top-ranked programs for GI care.
With a reputation for thorough and compassionate care, Dr. Ashamalla is dedicated to listening closely to his patients and developing personalized treatment plans. His approach combines clinical excellence with a deep commitment to patient well-being, ensuring each individual receives the attentive care they deserve.
If you're seeking a trusted gastroenterologist in Syosset, schedule an appointment with Dr. Ashamalla today to take the first step toward better digestive health.
Faisal Sheikh, DO is a Gastroenterology specialist in Syosset, New York. Dr. Sheikh is affiliated with Northwell Health and multiple hospitals in the area. He received his medical degree from New York College of Osteopathic Medicine.
After graduating, Dr. Sheikh completed his residency at North Shore University Hospital in Manhasset, New York. He then went on to become double board-certified in Internal Medicine and Gastroenterology.
Dr. Sheikh joined Long Island Gastro in 2014 and has been serving the Syosset community ever since. He is fluent in both English and Urdu.
In his free time away from the practice, Dr. Sheikh enjoys spending time with his family.
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.
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.
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.
Maria Lufrano, MD, is a specialist in the field of gastroenterology and hepatology. At her practice – ML Gastroenterology in Bronxville, New York – she treats disorders of the digestive system, including gastroesophageal reflux disease (GERD), irritable bowel syndrome (IBS), colitis, functional disorders of the gut, and liver disease on a daily basis.
Dr. Lufrano grew up in Westchester County and graduated from New York University with a Bachelor of Arts in journalism as well a minor in biology and chemistry. She then pursued a Master in Science from New York Medical College in biochemistry and molecular biology. During her post-graduate training, she focused on breast cancer research. Maria continued to be interested in medicine and research and decided to pursue a degree in medicine. In 2002 she graduated from New York College of Osteopathic Medicine. She completed her residency in internal medicine and fellowship in gastroenterology and hepatology at North Shore University Hospital – Long Island Jewish Medical Center in Long Island in 2012.
She has remained actively involved in research throughout her career and has published several scientific papers and presented at national scientific meetings. She is double board-certified in gastroenterology and internal medicine.
Dr. Lufrano is committed to the highest level of patient care. She employs the latest technology to provide an individualized approach to patient medical needs. Her primary focus is preventive and integrative medicine as well as conventional medicine. She has incorporated the effects of nutrition and diet into the treatment plans of her patients. She understands the importance of treating the body as a whole and the positive impact of treating ailments using an integrative approach.In addition toconventional therapies, sheoffers nutrigenomics, micronutrient testing, evaluation of the microbiome, and personalized anti-inflammatory dietary plans for patients with IBS, leaky gut, gastroesophageal reflux disease, and dyspepsia. She also has developed an anti-inflammatory weight loss program for her patients.
At ML Gastroenterology, she also helps identify the underlying cause of common gastrointestinal symptoms like abdominal pain and bloating. Dr. Lufrano and the team also perform endoscopy and colonoscopy procedures to evaluate the gastrointestinal tract and colon cancer screenings for those that need them.
She is currently an attending physician at New York-Presbyterian Lawrence hospital and St. John’s Riverside Hospital – Dobbs Ferry Pavilion. She holds professional membership in several national societies, including the American College of Gastroenterology and the American Medical Association. She also plays an active role in multiple societies in her community.
To schedule an appointment with Dr. Lufrano and the team at ML Gastroenterology, call the office or use the online booking tool today.
“Dr. Lufrano is a dedicated, caring doctor who always takes time to listen to my concerns. She's been my doctor for many years, and I'm extremely satisfied with her quality of care. Highly recommend!”
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