Dr. Sebastian Marker is a skilled and accomplished Medical Gastroenterologist from Bikaner, Rajasthan. He completed his MBBS from CMC Ludhiana, where he was awarded multiple gold medals, including for the final year university exams. He went on to pursue MD in Internal Medicine from SMS Medical College, Jaipur, and further specialized with a DrNB in Medical Gastroenterology from Santokba Durlabhji Memorial Hospital, Jaipur.

Dr. Marker has rich clinical experience, having served as a Clinical Fellow at SDMH and worked as a Consultant Gastroenterologist at Mangalam Hospital and EHCC Hospital, Jaipur. With over 8000 endoscopies and 2000 colonoscopies performed, he brings extensive expertise in both diagnostic and therapeutic endoscopic procedures, including ERCP.

Currently practicing at Bombay Hospital, Dr. Marker is part of a well-equipped gastroenterology department offering comprehensive GI care with advanced technology and a patient-centered approach.

Diagnostic Upper GI Endoscopy

Therapeutic Upper GI Endoscopy

Diagnostic Colonoscopy

Therapeutic Colonoscopy

Endoscopic Retrograde Cholangiopancreatography (ERCP)

Gastrointestinal disease evaluation and management

Diagnostic and therapeutic upper GI endoscopy

Diagnostic and therapeutic lower GI endoscopy (colonoscopy)

ERCP (Endoscopic Retrograde Cholangiopancreatography)

Management of gastrointestinal disorders

Internal medicine with a focus on gastroenterology

Received Gold Medals in various subjects during MBBS

Awarded Gold Medal in Final Year MBBS University Exams at CMC Ludhiana

DrNB in Medical Gastroenterology – Santokba Durlabhji Memorial Hospital, Jaipur