Gastroenterology is a medical specialty that focuses on the diagnosis, treatment, and management of disorders related to the digestive system, which includes the oesophagus, stomach, intestines, liver, gallbladder, and pancreas. The best gastroenterologist in Chennai is highly skilled in identifying and performing diagnostic procedures to develop personalized treatment plans that may include medication management, lifestyle modifications, dietary recommendations, and surgical interventions if required.
What is Gastroenterology?
Gastroenterology is a specialized branch of medicine that focuses on the diagnosis, treatment, and management of disorders related to the digestive system. This includes diseases affecting the esophagus, stomach, intestines, liver, gallbladder, and pancreas. A Gastroenterology Doctor in Chennai is highly trained to address conditions such as acid reflux, ulcers, irritable bowel syndrome (IBS), Crohn’s disease, hepatitis, and gastrointestinal cancers.
Who is a Gastroenterology Specialist?
A Gastroenterology specialist in Chennai is a medical professional trained to diagnose and treat digestive system disorders. These specialists undergo extensive training, including medical school, residency in internal medicine, and fellowship in gastroenterology. They utilize advanced diagnostic techniques such as endoscopy, colonoscopy, and imaging tests to assess and manage digestive health concerns effectively.
Top 8 Best Gastroenterologists in Chennai
Dr. Magnus Jayaraj
Dr. Magnus Jayaraj is widely regarded as one of the best gastroenterologists in Chennai, known for combining precision diagnosis with a patient-first attitude. With over 18 years of experience in the field of gastroenterology, hepatology, and therapeutic endoscopy, he has helped thousands of patients manage complex digestive and liver disorders. His calm approach and clarity in communication make him especially popular among young adults and working professionals who want trustworthy care without confusion or overwhelm.
Clinical Specialties and Patient Focus
- Dr. Jayaraj’s key areas of focus include acid reflux, irritable bowel syndrome, inflammatory bowel disease, fatty liver, and chronic constipation. He also manages hepatitis and liver cirrhosis with a holistic, long-term approach.
- Many turn to him when looking for a Gastroenterology specialist in Chennai who offers a mix of clinical skill and empathy in every case.
Advanced Endoscopy & Non-Surgical Expertise
- He is known for performing high-precision endoscopic procedures such as colonoscopy, sigmoidoscopy, and upper GI endoscopy with minimal discomfort to the patient.
- Patients trust him for accurate diagnosis and short recovery times, which is ideal for busy professionals with limited downtime.
Reputation & Experience That Reflects Results
- With 18+ years of continuous practice, Dr. Magnus Jayaraj has gained recognition across Chennai’s medical community. He is regularly sought out by general physicians and specialists for complex referrals.
- If you’re seeking a famous gastroenterologist in Chennai who blends experience with patient-centered care, Dr. Jayaraj is a name that consistently stands out.

Dr. Radhika Venugopal
With over 16 years of experience, Dr. Radhika Venugopal has earned a strong reputation as a leading Gastroenterology Doctor in Chennai. She is especially known for treating digestive issues in women, offering personalized care for conditions that often go undiagnosed. Her empathetic style and holistic treatment approach have helped her stand out in a field dominated by generalists.
Focus on Female GI Concerns
- Dr. Radhika focuses on conditions like IBS, gallbladder issues, acid reflux, and hormonal links to gut health, often seen in younger women.
- She’s a preferred choice among working women who want a safe, respectful space to address chronic digestive concerns.
Digestive Health and Preventive Screening
- She promotes regular screening for conditions like colon polyps and early signs of GI cancers, especially for those with a family history.
- Her skill in diagnostic endoscopy and non-invasive procedures ensures quicker evaluations and early detection.
Trusted Gastroenterology Specialist in Chennai
- As a Famous gastroenterologist in Chennai, Dr. Radhika is known for blending scientific insight with a human touch.
- She’s often invited to speak at women’s health forums and gastroenterology panels across Tamil Nadu.

Dr. Aswin Krishna
Dr. Aswin Krishna brings a fresh perspective to digestive care, combining modern technology with practical solutions for everyday gut issues. With over 12 years of experience, he is one of the rising names among the best gastroenterologists in Chennai, especially for younger patients facing stress-linked digestive problems.
Urban GI Conditions & Tailored Treatment
- Dr. Krishna focuses on problems linked to modern lifestyles—like gastritis, bloating, GERD, and stress-induced gut disorders.
- His treatment plans are ideal for those working in high-pressure environments with irregular eating patterns.
Use of Advanced Diagnostic Tools
- He uses high-definition imaging and minimally invasive endoscopic tools for quicker, more accurate diagnosis.
- Patients benefit from real-time insights into their condition, often explained during the procedure itself.
A Young Professional’s Choice
- Many patients in their 20s and early 30s trust him as their go-to Gastroenterology specialist in Chennai.
- His growing reputation is built on both his clinical results and his relatable, clear communication style.

Dr. Mohammed Ali
Dr. Mohammed Ali is a senior Gastroenterologist with over 20 years of experience, known for handling some of the most challenging cases in Chennai. His balanced expertise in both medicine and endoscopic surgery makes him a trusted name among patients and peers alike.
Complex GI Disorders and Liver Diseases
- He regularly treats complicated conditions like pancreatitis, Crohn’s disease, and liver cirrhosis.
- His insights are especially valuable for cases requiring ongoing monitoring or multidisciplinary collaboration.
Surgical Endoscopy Excellence
- Dr. Ali is highly skilled in therapeutic endoscopy, including polypectomy, variceal ligation, and stent placement.
- He also offers capsule endoscopy for deep small bowel evaluations, useful for obscure GI bleeding.
Highly Recommended Gastroenterologist in Chennai
- Widely referred to as a Famous gastroenterologist in Chennai, he commands respect across hospitals and diagnostic centers.
- His calm demeanor and methodical approach make him a steady hand for complex or chronic cases.

Dr. Karthik Natrajan
Dr. Karthik Natrajan blends conventional medicine with lifestyle-based solutions, offering one of the most holistic approaches in Chennai’s gastroenterology space. With over 14 years of experience, he’s recognized for treating both the physical and lifestyle aspects of gastrointestinal disorders—making him a top choice for professionals seeking long-term relief.
Digestive Conditions and Lifestyle Guidance
- He specializes in treating gastritis, functional dyspepsia, acid reflux, and IBS with a clear focus on root causes like diet, stress, and sleep.
- He’s particularly popular among IT professionals looking for sustainable solutions without lifelong medication.
Diagnostic Precision and Patient Education
- Dr. Karthik uses high-resolution endoscopic procedures and GI motility studies to understand subtle gut dysfunctions.
- His clear visuals and case-based discussions often help in easing medical anxiety among younger patients.
Respected Gastroenterology Doctor in Chennai
- He is often recommended by general physicians for cases that require not just treatment but gut-focused rehabilitation.
- As a Gastroenterology specialist in Chennai, his name is widely circulated among those looking for clear, effective, and relatable care.

Dr. R. Kannan
With over 17 years of clinical experience, Dr. R. Kannan is widely regarded for his work in hepatology and digestive disorders. He’s known for his methodical diagnosis and structured treatment plans, making him one of the best gastroenterologists in Chennai for people who want reliable, research-backed care.
Expert in Hepato-Gastroenterology
- Dr. Kannan handles a wide range of conditions including fatty liver, cirrhosis, hepatitis, and portal hypertension with deep expertise.
- His knowledge in interpreting liver profiles and fibrosis scans is a key asset for patients seeking second opinions.
Endoscopy and Non-Invasive Assessment
- He performs advanced endoscopic procedures such as banding, dilation, and variceal screening with minimal patient discomfort.
- He also uses non-invasive markers and elastography to track liver health over time.
Reliable Gastroenterology Specialist in Chennai
- Dr. Kannan’s calm and analytical style has made him a go-to doctor for patients who value structured care.
- Known as a Famous gastroenterologist in Chennai, he regularly receives referrals from both city hospitals and independent clinics.

Dr. J. Saravanan
Dr. J. Saravanan is known for addressing the intersection between mental stress and digestive health. With over 13 years of experience, he has become a popular name among young adults struggling with gut issues driven by anxiety, irregular meals, or lifestyle fatigue.
Targeting Modern Digestive Struggles
- He specializes in stress-linked disorders like IBS, acid reflux, gastritis, and cyclic vomiting syndrome.
- Dr. Saravanan incorporates behavioral advice and nutrition-based care into his treatment plans, which sets him apart.
Comfort-First Diagnostics
- His clinic uses minimally invasive tools for procedures like endoscopy and sigmoidoscopy, with a focus on comfort and reassurance.
- This transparency makes him a trusted name for first-time patients who are apprehensive about diagnostic tests.
A Reputed Gastroenterology Doctor in Chennai
- Patients describe him as calm, respectful, and thorough—qualities that help in building long-term trust.
- He is regarded as a Gastroenterology specialist in Chennai who listens without rushing and offers insights that feel practical.

Dr. I. Shubha Vivekan
Dr. Shubha Vivekan is one of the few female gastroenterologists in Chennai with over 15 years of hands-on experience in both diagnostic and interventional gastroenterology. She brings empathy and precision to her work, particularly in treating digestive issues in women and younger adults.
Focus on Hormonal & Dietary GI Triggers
- Dr. Shubha treats issues such as chronic bloating, GERD, IBS, and gut-health issues linked to PCOS and hormonal shifts.
- She works closely with dieticians and gynaecologists to offer cross-specialty care that’s especially helpful for young women.
Technical Skill Meets Gentle Care
- She performs diagnostic and therapeutic endoscopy with minimal discomfort, prioritizing patient comfort.
- Many patients report feeling more at ease discussing symptoms that are often misunderstood or dismissed elsewhere.
Highly Regarded Female Gastroenterologist in Chennai
- Dr. Shubha is considered a Famous gastroenterologist in Chennai among women seeking personalized, respectful digestive care.
- Her clinic has become a trusted space for those who want clinically sound and emotionally supportive treatment.


Diagnostic and Treatment Procedures
Gastroenterologists perform a wide range of diagnostic and treatment procedures to assess and manage gastrointestinal disorders. Here are some common procedures conducted by the best gastroenterologist in Chennai:
Diagnostic Procedures
- Endoscopy: Gastroenterologists use an endoscope, a flexible tube with a camera, to examine the digestive tract. The other types of endoscopy procedures are:
- a. Upper Endoscopy (Esophagogastroduodenoscopy or EGD): The scope is inserted through the mouth to visualize the esophagus, stomach, and duodenum.
- b. Colonoscopy: In this, through the rectum a scope is inserted to visualize the large intestine (colon) to detect abnormalities, such as polyps or inflammation.
- c. Flexible Sigmoidoscopy: Similar to colonoscopy, it focuses on examining the lower part of the colon and rectum.
- Capsule Endoscopy: This procedure involves swallowing a small capsule-sized camera that takes pictures of the digestive tract as it passes through. It helps diagnose conditions in the small intestine that are not easily accessible by traditional endoscopy.
- Imaging Tests: The gastroenterology specialist in Egattur Chennai may order imaging tests such as computed tomography (CT) scans, magnetic resonance imaging (MRI), or ultrasound to obtain detailed images of the digestive organs and identify abnormalities.
- Biopsy: During an endoscopy or colonoscopy, gastroenterologists can take tissue samples (biopsies) for further examination under a microscope. This helps in diagnosing conditions such as cancer, inflammation, or infections.
Treatment Procedures
1. Medication: Gastroenterologists commonly prescribe medications to manage various gastrointestinal conditions. These may include antibiotics for infections, acid-suppressing drugs for acid reflux or ulcers, immunosuppressants for inflammatory bowel diseases, or medications to alleviate symptoms like diarrhea or constipation.
2. Endoscopic Procedures: A good gastroenterologist in Chennai can perform therapeutic procedures during endoscopy, such as:
- Polypectomy: Removal of polyps (abnormal tissue growths) found during colonoscopy to prevent them from becoming cancerous.
- Endoscopic Mucosal Resection (EMR): Removal of abnormal tissue or early-stage cancers from the digestive tract lining using specialized techniques.
- (ERCP) Endoscopic Retrograde Cholangiopancreatography: A good gastroenterologist in Chennai combination of endoscopy and X-rays to diagnose and treat conditions affecting the bile ducts or pancreas.
- Balloon Dilation: Stretching narrowed areas (strictures) in the esophagus, stomach, or intestines using an inflatable balloon.
3. Surgery: In some cases, the best gastroenterologist doctor in Chennai may recommend surgical interventions. This can include procedures like gallbladder removal (cholecystectomy), removal of part of the intestine (resection), or procedures to repair digestive tract abnormalities.
4. Lifestyle Modifications: The gastroenterology specialist in Egattur Chennai often provide guidance on dietary changes, exercise, stress management, and other lifestyle modifications to manage gastrointestinal conditions effectively.
It’s important to remember that the specific diagnostic and treatment procedures performed by a best gastroenterologist doctor in Chennai depend on the patient’s symptoms, medical history, and the suspected or diagnosed condition.
Signs And Symptoms Of Gastric Cancer
Gastric cancer, gastrointestinal cancer treatment in chennai, often presents with subtle symptoms in its early stages, which can make it challenging to detect. However, as the disease progresses, certain signs and symptoms may become more apparent:
- Persistent abdominal discomfort or pain, particularly in the upper abdomen.
- unexplained weight loss without nutrition or exercise modifications.
- Persistent nausea or vomiting, which may be accompanied by blood.
- Difficulty swallowing, known as dysphagia.
- Feeling full or bloated after eating small amounts of food, known as early satiety.
- Blood in the stool, which may appear as black or tarry stools.
- Fatigue or weakness, often due to anemia caused by gastrointestinal bleeding.
If you experience any of these symptoms, especially if they persist or worsen over time, it is essential to consult a healthcare professional promptly. Early detection and treatment significantly improve the prognosis of gastric cancer.
Benefits of Seeing a Gastroenterologist
- Accurate Diagnosis – A top gastroenterologist in Chennai uses advanced techniques to detect and treat digestive issues.
- Specialized Treatment – A famous gastroenterologist in Chennai provides personalized care for conditions like IBS, ulcers, and liver diseases.
- Preventive Healthcare – Regular check-ups with a Gastroenterology specialist in Chennai help prevent severe gastrointestinal conditions.
- Advanced Procedures – A Gastro doctor in Chennai is skilled in endoscopy, colonoscopy, and minimally invasive treatments.
When looking for the travelling with gastrointestinal conditions, choose an expert with experience and a patient-centric approach. Consult a Gastroenterology doctor in Chennai today for comprehensive digestive care!
Why Visit a Gastroenterologist?
- Persistent abdominal pain or bloating
- Unexplained weight loss or vomiting
- Blood in stool or chronic constipation
- Liver, pancreatic, or gallbladder issues
The best gastroenterologist in Chennai uses advanced diagnostics and personalized treatments. Whether you need a Gastroenterology specialist in Chennai for acid reflux or a good gastroenterologist in Chennai for chronic conditions, Chennai offers top-tier medical expertise.
Conclusion
best gastroenterologist doctor in Chennai is a captivating discipline that unveils the complexities of the digestive system. By emphasizing prevention, employing advanced diagnostics, and offering therapeutic interventions, Dr. Magnus Jayaraj continues to enhance the quality of life for countless individuals. Best Gastroenterologist in Chennai as we celebrate the achievements of this branch of medicine, let us also recognize its role in fostering awareness and understanding about the marvels and intricacies of the digestive system.
Also, Read Surgical Gastroenterologist in Chennai.