Dr. Abhinav Kumar is a leading Gastroenterologist and Hepatology with a passion for patient care and a wealth of 10+ years of experience across some of India’s top medical institutions.
MD (Gold Medal) | DM (Gastroenterology)
Director - CIDS Care
Chief Consultant & Head - Health City Vistaar, Lucknow
Post Doctoral Fellowship - Advanced Endoscopy
(Mumbai & Bangalore) & Transplant Hepatology (Chennai)
Dr. Abhinav Kumar is a renowned Interventional Gastroenterologist and Transplant Hepatologist with over nine years of extensive clinical and academic experience in digestive health, liver disease, and advanced endoscopic procedures. He combines therapeutic endoscopy, complex ERCP, Endoscopic Ultrasound (EUS), and liver transplant expertise to provide world-class care for patients with gastrointestinal and liver conditions.
An alumnus of Ramaiah Medical College – Rajiv Gandhi University of Health Sciences (RGUHS), Bangalore, Dr. Abhinav received the “Dr. K. N. Sharma Award” for Best Outgoing Postgraduate in Internal Medicine, recognizing his clinical excellence and academic distinction.
Represented South India at the GE MasterMind Scientific Quiz Competition during the ISG Conference.
With a passion for endoscopic innovation, Dr. Abhinav was selected by the Indian Society of Gastroenterology for the APAGE–JGHF Clinician-Scientist Training Fellowship. He has completed:
Dr. Abhinav pursued a Postdoctoral Fellowship in Transplant Hepatology and Liver Transplantation at Dr. Rela Institute & Medical Center, Chennai, accredited by the Liver Transplant Society of India. He specializes in managing advanced liver disease, liver cirrhosis, and liver transplant care, making him part of a rare cadre of gastroenterologists skilled in both complex endoscopic interventions and liver transplantation.
Key Care Values: Experience | Expertise | Empathy
Having worked across Bangalore, Chennai, and Mumbai, Dr. Abhinav brings global expertise and hands-on experience while delivering compassionate, patient-centered care. Now back to his roots, he combines deep clinical knowledge, technical mastery, and empathy to provide safe, effective, and personalized treatment for all digestive and liver disorders.
With global training in India, France, and China, Dr. Abhinav continues to advance the frontiers of Interventional Gastroenterology, HPB Endoscopy, and Transplant Hepatology, providing patients with world-class digestive and liver health solutions.
Nominated by the Indian Society of Gastroenterology for the Prestigious APAGE/JGH Foundation Clinician-Scientist Training Fellowship - 2020
University Topper in DM Gastroenterology from Rajiv Gandhi University of Health Sciences, Karnataka
Certificate of Appreciation, Doctors' Day, Ramaiah Medical College - 2019
Certificate of Appreciation, Doctors' Day, Ramaiah Medical College - 2018
Represented the South Indian team at the GE Master Mind Scientific Quiz Competition, ISGCON 2018
Awarded Professor Dr. K. N. Sharma Best Outgoing Postgraduate in the Department of Internal Medicine 2016
Dr. Abhinav Kumar is a highly skilled Gastroenterologist with extensive training in Interventional Endoscopy and Advanced Hepatology. He completed a year-long fellowship in Interventional Endoscopy at the prestigious Pentax Center of Excellence-Ramaiah Medical college in Bengaluru, where he gained expertise in advanced endoscopic procedures. Dr.Abhinav Kumar further enhanced his knowledge and skills by undertaking a High-Volume Endoscopic Ultrasound (EUS) fellowship under the guidance of Dr. Vinay Dhir at IDL Care Mumbai, a renowned center for gastrointestinal care.
Driven by a commitment to excellence, Dr.Abhinav kumar pursued additional training in Advanced Hepatology and Liver Transplantation at one of Asia's largest Liver transplant centers. This comprehensive fellowship provided him with in-depth knowledge and practical experience in managing complex liver diseases and performing liver transplant procedures.
In addition to his expertise in Gastroenterology and Hepatology, Dr.Abhinav Kumar has a special interest in the endoscopic management of obesity. He has received specialized training in Endoscopic Obesity Management, allowing him to offer advanced endoscopic procedures for weight loss to eligible patients.
With his diverse training background and dedication to providing high-quality patient care, Dr.Abhinav Kumar is committed to delivering personalized treatment plans and comprehensive care to patients with gastrointestinal and liver disorders.
Heartburn and Acid Reflux (Gastroesophageal Reflux Disease, GERD): Chronic reflux of stomach acid into the esophagus, causing symptoms like heartburn, regurgitation, and chest pain.
Stomach Ulcers (Peptic Ulcers): Open sores that develop on the inner lining of the stomach or small intestine, often caused by infection with H. pylori bacteria or long-term use of nonsteroidal anti-inflammatory drugs (NSAIDs).
Stomach Inflammation (Gastritis): Inflammation of the stomach lining, which can be acute or chronic and may result from infections, alcohol use, NSAID use, or autoimmune diseases.
Inflammatory Bowel Disease (IBD): Chronic inflammatory conditions of the digestive tract, including Crohn's disease and Ulcerative Colitis, characterized by symptoms such as abdominal pain, diarrhea, rectal bleeding, and weight loss.
Irritable Bowel Syndrome (IBS): Functional gastrointestinal disorder characterized by abdominal pain or discomfort, bloating, and changes in bowel habits without evidence of structural or biochemical abnormalities.
Celiac Disease: Autoimmune disorder triggered by gluten consumption, leading to damage to the small intestine and impaired nutrient absorption.
Gallbladder Issues: Conditions such as gallstones (cholelithiasis) and inflammation of the gallbladder (cholecystitis), which can cause abdominal pain, nausea, vomiting, and jaundice.
Pancreatitis: Inflammation of the pancreas, which can be acute or chronic and is often associated with symptoms such as severe abdominal pain, nausea, vomiting, and fever.
Liver Cirrhosis: Chronic liver disease characterized by the replacement of healthy liver tissue with scar tissue (fibrosis), leading to liver dysfunction and complications such as portal hypertension, ascites, and hepatic encephalopathy.
Hepatitis: Inflammation of the liver, which can be caused by viral infections (Hepatitis A, B, C, D, and E), alcohol consumption, autoimmune diseases, medications, and toxins.
Fatty Liver Disease (Non-alcoholic and Alcoholic): Accumulation of fat in the liver cells, which can lead to liver inflammation (steatohepatitis), fibrosis, and cirrhosis. Non-alcoholic fatty liver disease (NAFLD) is associated with obesity, diabetes, and metabolic syndrome, while alcoholic fatty liver disease (AFLD) results from excessive alcohol consumption.
Liver Cancer (Hepatocellular Carcinoma, Cholangiocarcinoma): Cancerous tumors that develop in the liver or bile ducts, often associated with chronic liver disease (cirrhosis) or viral hepatitis.
Hemochromatosis: Inherited disorder causing excessive absorption of dietary iron, leading to iron overload in various organs, including the liver, heart, and pancreas.
Esophageal Disorders: Conditions affecting the esophagus, including Esophageal Cancer, Barrett's Esophagus (precancerous condition), Esophageal Stricture (narrowing), and Esophageal Motility Disorders (e.g., achalasia).
Colon Cancer Screening and Colorectal Polyps: Screening tests such as Colonoscopy, Flexible Sigmoidoscopy, and Fecal Occult Blood Tests (FOBT) to detect colorectal cancer and precancerous polyps in the colon and rectum.
Motility Disorders: Conditions affecting the movement and coordination of muscles in the digestive tract, such as Gastroparesis (delayed gastric emptying), Dysphagia (difficulty swallowing), and Chronic Intestinal Pseudo-obstruction.
Malabsorption Syndromes: Disorders characterized by impaired absorption of nutrients from the gastrointestinal tract, including Celiac Disease, Lactose Intolerance, and Short Bowel Syndrome.
Gastrointestinal Bleeding: Occult or overt bleeding from the gastrointestinal tract, which may present as hematemesis (vomiting blood), melena (black, tarry stools), or hematochezia (bright red blood in stools).
Anorectal Disorders: Conditions affecting the anus and rectum, including Hemorrhoids, Anal Fissures, Anal Abscesses, Fistulas, and Rectal Prolapse.
Endoscopic Procedures: Diagnostic and therapeutic procedures performed using endoscopes, including Colonoscopy, Esophagogastroduodenoscopy (EGD), Endoscopic Retrograde Cholangiopancreatography (ERCP), Endoscopic Ultrasound (EUS), Capsule Endoscopy, and Endoscopic Mucosal Resection (EMR), among others.
Interventional Endoscopy & Obesity Management
Therapeutic Endoscopic Ultrasound & ERCP
Hepatology, Liver Medicine Critical care & Liver transplant
A Study to assess survival benefit in Acute on chronic liver failure with Granulocyte Colony–Stimulating Factor in correlation with peripheral CD34 in a tertiary care center in South India-Submitted
Utility of Endoscopic ultrasound in symptomatic cut corners of a clot- A caseAvinash Bhat Balekuduru, Abhinav Kumar,Satyaprakash Bonthala Subbaraj-- Accepted in Tropical Gastroenterology
Kikuchi-Fujimoto Disease: A rare cause of PUO - Case Report Abhinav Kumar, Mamta S. Chhabria, ChennaKeshava BG - Int J Med Health Sci. April 2016,Vol-5;Issue-2
Feasibility and Safety Assessment of Home Based Gastrostomy Tube Feed - A Tertiary Care Centre Experience - Avinash Balekuduru, Abhinav Kumar- ,Amit Kumar Dutta, Hema Aravind, Satyaprakash Bonthala Subbaraj -Tropical Gastroenterology 2018;39(2):83-86
Upper Gastrointestinal Bleed: Do not Forget a Look at Ampulla- Avinash Bhat Balekuduru, Abhinav Kumar, Athish Shetty, Satyaprakash Bonthala Subbaraj-J Dig Endosc 2018;9:134-7.
Comparative study of Ecg profile changes in healthy smokers and non-smokers-Abhinav kumar,Manjunath Patil, Satyaprakash Bonthala Subbaraj-Accepted in Indian Heart Journal
Comparative study of lipid profile among young smokers and nonsmokers in south Indian Population- Abhinav kumar,Manjunath Patil, Satyaprakash Bonthala Subbaraj- Accepted in Indian Heart Journal
Co-Occurrence of Cerebral Arterial & venous thrombosis in a patient with APLA Syndrome-KAPICON 2015
Poster Presentation-APICON 2015
Bouveret syndrome missed by a whisker-platform-Endoscopy-2017 Coimbatore
Acute pancreatitis and a fundal lesion to ponder-ISGCON 2017
Utility of endoscopic ultrasound in symptomatic cut corners of a clot- a case - ENDOCON 2018
Gluing the gastric varix - a retrospective study-ENDOCON 2018
Helicobacter pylori in alcoholic subjects – prevalence/ causation or an innocent bystander ?-INASL 2018
“Endoscope with condom” – A safe method for removal of sharp upper gastrointestinal foreign bodies-WGO International Conference Thailand-Dec 2018
A Study to assess survival benefit in Acute on chronic liver failure with Granulocyte Colony–Stimulating Factor in correlation with peripheral CD34 in a tertiary care center in South India-ORAL Presentation-APDW 2019-Kolkata
Persistent Cystogastric Fistula Post LAMS: Suction & Evacuation Technique for DEN-EUS Video Showcase section –ENDOCON 2024
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