Dr. Thomas Alexander

Dr. Thomas Alexander

MBBS, MD-General Medicine, DM-Gastroenterology, DNB -Gastroenterology, Post Graduate Diploma in Statistical & Research Methodology, Advance Course in Medical Education

Sr. Consultant - Gastroenterologist

Experience 39 Years

Consultation days

Monday to Friday

Consultation with prior appointment*

Monday to Friday 2.00pm to 4.30pm . Monday, Wednesday & Friday 9.00am to 1.00pm ( By choice )

*Walk in consultation subject to availability of slots

Special evening clinic with appointment

Thursday - 4.30pm to 6.00pm

Book an appointment eConsultation

Prior to joining BBH in June 2022, Dr. Thomas Alexander was Senior Consultant, Professor & Head of Gastroenterology at PIMS, Pondicherry. He hadearlier worked for a period of three years in the UAE, as a Consultant Gastroenterologist. Dr. Alexander has extensive experience in Clinical Gastroenterology & Hepatology and diagnostic and therapeutic endoscopies.
He has established Gastroenterology departments and Endoscopy services at VSM Hospital (Mavelikara, Kerala), Holy Cross Hospital (Kottiyam, Kerala) and Pondicherry Institute of Medical Sciences(Pondicherry).
Apart from clinical practice of gastroenterology& hepatology and endoscopic work, he enjoys teaching and has also served as Vice-Dean and Dean of Medical Education at PIMS. In addition to clinics and theory sessions for undergraduate and postgraduate medical students, he has taken sessions on humanities in medicine, history of medicine and evidence-based medicine.
Dr. Alexander is accredited by the National Board of Examinations to train students in DNB Gastroenterology.

Rangaraya Medical College, Kakinada, Andhra University


MD-General Medicine
Rangaraya Medical College, Kakinada, Andhra University


DM - Gastroenterology
Christian Medical College Hospital, Vellore, Tamil Nadu Dr. M.G.R. Medical University


DNB - Gastroenterology
National Board of Examinations, New Delhi


Post Graduate Diploma in Statistical & Research Methodology
Pondicherry University, India


Advance Course in Medical Education
Medical Council of India


Clinical Gastroenterology & Hepatology – particularly challenging diagnostic problems and second opinions

Gastrointestinal Endoscopy - Diagnostic & Therapeutic including biliary and pancreatic ERCP, multimodal endoscopic treatment of GI bleed, endoluminal stenting etc.

Academics – Clinics & Theory

Association of Physicians of India


Indian Medical Association


Indian Society of Gastroenterology


Indian Association for Study of Liver


Society of Gastrointestinal Endoscopy of India


American Society for Gastrointestinal Endoscopy


American Gastroenterological Association


American College of Gastroenterology


American Association for the Study of Liver Diseases


European Society of Gastrointestinal Endoscopy


Krithiga E, Kiran, Chokka M, Ramdas Anita, Alexander Thomas. (2018). Are Hematological ParametersAssociated with Disease Severity in Cirrhotic Patients?. Indian Journal of Pathology: Research and Practice. 7.45-51. 10.21088/ijprp.2278.148X.7118.8.

Raju Mandapati JJ, Alexander T. Nasojejunal tube in the treatment of enterocutaneous fistula: Ablessing in disguise. J Curr Res Sci Med 2018;4:65-67

Thara Keloth, Marie Moses Ambroise, Thomas Alexander, Susy S Kurian. A study of High RiskOperational Link for Gastritis Assessment (OLGA) Stages in South Indian Subjects Indian Journal ofPathology: Research and Practice 2018;7(6):776-781

Phansalkar M, Alexander T, Solomon S, Varghese RG Humanities in medicine: Experience atPondicherry Institute of Medical Sciences, India. Indian J Med Ethics Published online on July 3, 2018.DOI 10.20529/IJME.2018.052.

Indira Gunasekharan, Marie Moses Ambroise, Thomas Alexander, Anita Ramdas. Indications andDiagnostic Yield of Colonoscopy in a Tertiary Care Centre in South India. Indian Journal of Pathology:Research and Practice 2018;7(7):847-851

Solomon S, Sheela Devi C, Alexander T, Varghese R G. Exit exam for interns: Lessons learnt and challengesfor the future. Journal of Education Technology in Health Sciences. 2018;5(3)143-145. doi10.18231/2393-8005.2018.0028.

Jawahar R, Varghese R.G.B, Alexander T, Kurian G. Topographic study of H. Pylori and gastric intestinalmetaplasia in patients with dyspepsia in a tertiary health care setting. Trop J Path Micro 2019;5(5):281-286.doi:0.17511/jopm.2019.i05.05.

Sultan Nawahirsha, George Kurian, Thomas Alexander, Susy Kurian. Impact of alcohol on gastric mucosa in apopulation with high prevalence of Helicobacter pylori. Int J Adv Med 2021 Jun 8(6):764-769.