Dr B. Mahadevan

(+91) 894 335 3391


HOD & Senior Consultantt

Book Appoinment
Work hours
  • Mon-Fri

    07:00 - 18:00

  • Saturday

    07:00 - 14:00

  • Sunday

    09:00 - 12:00

About Doctor DR B. MAHADEVAN

Dr. B. Mahadevan is a highly experienced and skilled interventional Gastroenterologist and Hepatologist with over 25 years of practice. He is currently the HOD and Senior Consultant in the Department of Gastroenterology and Endosonography at Gleneagles Global Hospital in

Chennai. Dr. Mahadevan specializes in therapeutic interventional endoscopic procedures, including ERCP, emergency gastrointestinal bleed management, polypectomy, luminal stent placement, and foreign body removal. He also has a keen interest in common GI disorders like dyspepsia, GERD, IBS, IBD, and liver disorders. Dr. Mahadevan holds an MD in Pediatrics, DM in Gastroenterology, and MBBS degree. He is a member of various medical societies and is fluent in English, Tamil, and Hindi.


Work Experience: 

(Overall 25 years of Experience)

The expertise of Dr. B. Mahadevan in gastroenterology and hepatology is extensive. He has over 25 years of experience and has held numerous important roles in prestigious medical organisations. From 2009 to 2010, he worked as an assistant professor at SRM Medical College and Research Institute, developing his clinical and teaching abilities. He then held a post as a Consultant Gastroenterologist at Dr. Kamakshi Memorial Hospital from 2012 to 2015 after serving as one at Chettinad Superspeciality Hospital from 2010 to 2012. Through these positions, he was able to advance his expertise in interventional endoscopic treatments, digestive issues, and liver ailments. Because of Dr. Mahadevan's significant experience, his patients receive the best possible care and treatment.


Associated with Hospitals:

  • Gleneagles Global Health City


List of Treatments:


  • Dr. Mahadevan serving himself as a senior and professional gastroenterologist and hematologist in several hospitals for the treatment of following diseases:

  • Gastroscopy: Gastroscopy is the examination of the upper digestive system with a thin flexible tube (endoscope). To observe these places, the tube is placed into the opening in the mouth and proceeds through the esophagus, stomach and duodenum. Gastroscopy is often performed by the gastroenterologist to diagnose the digestive tract diseases.


  • Colonoscopy: A colonoscopy is a non-invasive surgical procedure in which a doctor looks inside your rectum and colon with a colonoscope or tube. Colonoscopy can reveal inflamed and swollen tissue, bleeding from ulcers, tumors, and the presence of cancer.


  • Liver Disease Treatment: Any disorder that impairs the liver's normal, healthy function is referred to as liver disease. Several treatments are offered by the hospitals for the treatment of liver diseases varying from anti-viral medicines or surgical incisions to remove damaged liver depending on the conditions of liver.


  • ERCP: Endoscopic retrograde cholangiopancreatography (ERCP) is a treatment which includes the endoscopy of upper gastrointestinal tract and x-ray radiation to treat bile and pancreatic duct disorders. It is ususally performed by the gastro-surgeons under highly observed conditions.


  •  Hepato-Biliary-Pancreatic: Hepato-biliary-pancreatic disease refers to a set of diseases that affect the bile duct, pancreas, and bladder. Cysts, impediments, and unusual development can all impair your capacity for absorbing nutrients and discharge waste. Treatment procedures include removal of cysts or chemotherapies to remove the damaged or enlarged region of growth.


  • Vomit blood: It's usually the result of bleeding anywhere in esophagus which connects your mouth to your stomach. Gastritis is a common cause of blood vomiting. Doctor may recommend medicine to help you stop vomiting or reduce the acid in your stomach.


  • Abdominal Pain Treatment: Abdominal pain can be associated with constipation, irritable bowel allergies to foods, intolerance to lactose, poisoning from food, and a stomach infections. Doctor often prescribe a combination of medications for the treatment of abdominal pain as well as stomach infections.

  • Gastritis Treatment: Gastritis occurs when the stomach lining develops an inflammation. Severe conditions can also lead to abdominal pain. A combination of antibiotics and acid-blockers are used to treat this disease.


  • Constipation Treatment: Constipation is a condition where the person is unable to empty the bowels often associated with hardened faeces. It may also be due to a bacterial infection. Treatment methods include medicines like antibiotics to prevent the growth of bacteria in the abdomen.


Awards and Recognition: 

  • Oral Presentation: Presented a paper on “Clearance of impacted stone at hepatico-jejunostomy site with spyglass cholangioscope DS and laser lithotripsy” in ENDO 2017 – 1st World Congress of GI Endoscopy in February 2017.

  • Reviewer for European Journal for Gastroenterology and Hepatology for the past 5 years.

  • Invited for a lecture at a National Conference in Chendu, China and presented a topic on “EUS Rendezvous technique” in September 2019.




  • MD in Pediatrics from Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry in 2001.

  • DM in Gastroenterology from Madras Medical College, Chennai in 2009.

  • MBBS from Madurai Medical College in 1997.




  • In 2009, received training in ERCP (Endoscopic Retrograde Cholangio-Pancreaticogram) and EUS (Endoscopic ultrasound) under the direction of Dr. Malay Sharma .

  • In 2019, Prof. Pinghong Zhou oversaw advanced ESD/POEM training at Zhongshan University Hospital in Shangai, China.

  • In 2019, Prof. Hu Bing oversaw additional advanced ESD/POEM training at West China Hospital in Chengdu, China.




  • Indian Society of Gastroenterology

  • Society of Gastointestinal Endoscopy (SGEI)

  • Tamilnadu Medical Council




  • 59536 Tamil Nadu Medical Council, 1997


Specialty Interests:


  • Hepatobiliary interventions (ERCP, EUS)

  • Third space endoscopy (POEM, ESD, STER)

Area of Expertise
  • Gastroenterologist
Book Free Consultation

Associated with hospitals

Envisioning the goals & paving the path to success for the organization.

Book Appoinment


Education of DR B. MAHADEVAN

Similar Doctors In Perumbakkam , Chennai

Envisioning the goals & paving the path to success for the organization.