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, good 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, good gastroenterologist 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.
When should you see a gastroenterologist?
- Persistent Digestive Symptoms: If you frequently experience bloating, heartburn, nausea, or abdominal pain, it may be more than a simple stomach upset. These could signal conditions like acid reflux, ulcers, or gallstones that require specialized evaluation by a gastroenterology specialist in Chennai.
- Blood in Stool or Black Stools: Visible blood or tar-like stool is a serious warning sign. It may result from internal bleeding due to hemorrhoids, ulcers, IBD, or even colorectal cancer, all of which need urgent investigation and care.
- Difficulty Swallowing (Dysphagia): Struggling to swallow food or liquids, or feeling food stuck in your chest, could indicate esophageal disorders. A best gastroenterologist doctor in Chennai may recommend endoscopy to identify strictures, inflammation, or tumors.
- Unexplained Weight Loss: Rapid weight loss without any lifestyle or diet change could be linked to malabsorption, liver disorders, or gastrointestinal cancers. A specialist can uncover hidden causes and begin timely treatment.
- Frequent Diarrhea or Constipation: Ongoing bowel issues may point to IBS, infections, or inflammatory conditions like Crohn’s disease. Consistent patterns of irregular digestion should always be evaluated professionally.
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.

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.
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.
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.
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.
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.
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.
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.
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.


Services and Facilities Available at Magnus Clinic in Chennai
Magnus Gastro & Liver Clinic in Egattur, Chennai, is a specialized outpatient center focused on the treatment of gastrointestinal, liver, and pancreatic diseases. The clinic is led by Dr. Magnus Jayaraj Mansard, a highly experienced gastrointestinal and liver surgeon, widely recognized as one of the best gastroenterologists in Chennai. His expertise ensures that patients receive advanced, evidence-based care in a patient-centered environment. The clinic is a trusted choice for those looking for a gastroenterology specialist in Egattur Chennai.
1. Expert Gastroenterology Consultation
Under the direct supervision of Dr. Magnus Jayaraj Mansard, the clinic provides expert consultations for a wide range of GI and liver disorders such as GERD, IBS, fatty liver, hepatitis, and pancreatitis, His years of surgical and diagnostic experience help in evaluating complex cases that require precise, personalized care.
2. Advanced Diagnostic Services
The clinic is equipped with state-of-the-art tools such as endoscopy units, ultrasound scanning, and advanced liver function testing to aid accurate diagnosis, Under Dr. Under Mansard’s supervision, the diagnostics process is streamlined for clarity, speed, and diagnostic accuracy.
3. Liver Disease Evaluation and Management
Dr. Magnus Jayaraj Mansard specializes in hepatology and liver surgery, offering consultations for chronic liver diseases like NAFLD, hepatitis, cirrhosis, and liver tumors, The clinic serves as a pre-transplant evaluation center, with surgery and post-transplant care coordinated by Dr. Mansard through affiliated hospitals like GEM Hospital.
4. Endoscopic Procedures
The clinic offers both diagnostic and therapeutic endoscopic procedures performed by Dr. Mansard and his skilled team, Services include gastroscopy, colonoscopy, polyp removal, and biopsy, ensuring thorough and safe gastrointestinal care.
5. Nutrition and Lifestyle Counseling
Personalized dietary plans and lifestyle guidance are provided to patients dealing with digestive or liver-related concerns, Dr. Mansard emphasizes integrative care, ensuring patients are well-informed on diet, exercise, and long-term health strategies.
6. Pharmacy and Medication Support
An on-site pharmacy ensures quick access to essential medications, guided by Dr. Mansard’s prescription and treatment protocols, Liver supplements, enzyme therapy, and digestive medications are dispensed with full supervision from the medical team.
7. Patient-Centered Experience
Under Dr. Magnus Jayaraj Mansard’s leadership, the clinic prioritizes comfort, efficiency, and respectful patient care, Scheduled appointments minimize wait times, and the consultation experience is designed to be informative and reassuring.
Common Surgeries and Procedures
Gastroenterologists perform various procedures to diagnose and treat digestive disorders. The best gastroenterologist in Chennai, gastroenterology specialist in Egattur Chennai uses minimally invasive techniques for accurate results and quicker recovery.
- Endoscopy: Used to examine the esophagus, stomach, and duodenum. It detects ulcers, tumors, or bleeding and allows biopsy or polyp removal during the same procedure.
- Colonoscopy: Evaluates the colon and rectum for bleeding, inflammation, or cancer. Precancerous polyps can be removed to prevent colorectal cancer.
- ERCP: Combines endoscopy and imaging to treat bile or pancreatic duct issues. It helps remove stones, place stents, and diagnose tumors.
- Laparoscopic Gallbladder Surgery: Removes the gallbladder using small incisions. It’s commonly done for gallstones and allows faster recovery than open surgery.
- Liver Biopsy: Collects liver tissue to diagnose hepatitis, fatty liver, or cirrhosis. Often guided by ultrasound for accuracy.
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.