Best Gastroenterologist in the Bronx, NY
Comprehensive digestive care for the Bronx, from routine screening to complex condition management, delivered by board-certified specialists.
Image: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), NIH
Gastroenterology Bronx is a board-certified digestive health practice serving patients throughout the Bronx, including Fordham, Riverdale, Kingsbridge, and Pelham Bay. Our fellowship-trained gastroenterologists diagnose and treat the full range of digestive conditions — from acid reflux and IBS to Crohn's disease, ulcerative colitis, and liver disease — using advanced diagnostic technology and a patient-first approach. Whether you need a routine colon cancer screening, a second opinion, or ongoing management of a chronic GI condition, our team is here to help.
Gastroenterology Bronx · 3455 Grand Concourse, Suite 210, Bronx, NY 10468 · (718) 555-0142
Our Gastroenterology Services
General Gastroenterology
Comprehensive evaluation and ongoing management for the full range of digestive symptoms and conditions.
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Colon Cancer Screening
Proactive screening — including colonoscopy — to catch colon cancer early or prevent it entirely.
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Acid Reflux (GERD) Treatment
Lasting relief from chronic heartburn and acid reflux through diet, medication, and advanced diagnostics.
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Abdominal Pain Evaluation
Careful evaluation to identify the source of acute or chronic abdominal pain and the right path forward.
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IBS Treatment
Personalized management for irritable bowel syndrome, combining diet, medication, and lifestyle strategies.
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IBD Treatment
Expert management of Crohn's disease and ulcerative colitis, focused on long-term remission.
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Liver Disease Management
Diagnosis and long-term management of fatty liver disease, hepatitis, and other liver conditions.
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Hemorrhoid Evaluation
Discreet, thorough evaluation and treatment for internal and external hemorrhoids.
Read MoreConstipation & Diarrhea Treatment
Getting to the root cause of chronic constipation or diarrhea, not just managing symptoms.
Read MoreDigestive Health Consultation
A dedicated visit to discuss digestive health concerns, get answers, and plan next steps together.
Read MoreWhy Choose Gastroenterology Bronx
Every physician on our team is board certified by the American Board of Internal Medicine in Gastroenterology, with additional fellowship training in subspecialties like hepatology and inflammatory bowel disease. Board certification means our doctors have completed rigorous training and testing well beyond medical school and residency — a credential worth confirming before trusting anyone with your digestive health.
We're proud to be affiliated with Montefiore Medical Center and NYC Health + Hospitals/Jacobi, giving our patients seamless access to hospital-based imaging, surgery, and specialty care when it's needed, alongside the personal attention of an independent practice.
We also accept most major insurance plans, including Medicare, Medicaid, Aetna, Cigna, and UnitedHealthcare, and our staff will verify your coverage before your visit so there are no surprises. Combined with same-week appointment availability and a genuinely patient-first approach, it's why Bronx families have trusted us with their digestive health for nearly two decades.
Meet Your Gastroenterologist
Dr. Anthony Marchetti, MD
Albert Einstein College of Medicine · 18 years experience
View Full BioPlaceholder bio — full physician roster to be finalized.
What Our Patients Say
Dr. Marchetti explained every step of my colonoscopy prep so clearly that I wasn't nervous at all. The whole team was warm and professional.
I finally have my IBS under control thanks to the personalized care plan from Gastroenterology Bronx. Scheduling was easy and wait times were short.
Compassionate, thorough, and genuinely caring. Dr. Nandakumar took the time to answer every question about my liver health.