McMaster Hospital Gastroenterology Clinic
Specialty: Gastroenterology
Location: 1200 Main St W, Hamilton ON, L8N 3Z5
Physicians: Dr. BARRY J. LUMB · Dr. BRUNO J. SALENA · Dr. DAVID ARMSTRONG · Dr. ERIC RICHARD GREENWALD · Dr. FRANCES TSE · Dr. GRIGORIOS IOANNIS LEONTIADIS · Dr. JIHONG CHEN · Dr. JOHN K. MARSHALL · Dr. JULIE TAN · Dr. KATHRYN ISHANEE WOODMAN · Dr. MARCO AMEDEO PUGLIA · Dr. MARIA INES PINTO SANCHEZ · Dr. MARYAM MOINI · Dr. MATTHEW STEPHEN COLLINS · Dr. MOHAMMAD YAGHOOBI · Dr. NEERAJ NARULA · Dr. PAUL MOAYYEDI · Dr. PREMYSL BERCIK · Dr. SIWAR MAZEN ALBASHIR · Dr. SMITA LUNA SUDESHNA HALDER · Dr. STEPHEN MICHAEL COLLINS · Dr. TED XENODEMETROPOULOS · Dr. XIAOPENG BAI · Dr. JOCELYN SILVESTER
Estimated wait time: Not published
Phone: 905-521-2100 ext. 76800
Fax: 905-526-0594
Languages: English
Hours: Service Hours Monday - Friday 0800 hrs - 1630 hrs
Who they see: Service Eligibility Adult GI
Services: Dietitian / Nutrition, Colorectal Screening, Gastroenterology, Hepatology
Additional information: The McMaster Gastroenterology Clinic has many subspecialty clinics/services to serve the diverse population: Urgent GI Clinic General GI Clinic Barrett's Esophagus Clinic Celiac Disease Clinic Intestinal Failure Clinic Services Offered Gastroenterology Specialist Consultant Names Dr. BARRY J. LUMB (51026) Dr. BRUNO J. SALENA (51557) Dr. DAVID ARMSTRONG (65353) Dr. ERIC RICHARD GREENWALD (77511 Dr. FRANCES TSE (72431) Dr. GRIGORIOS IOANNIS LEONTIADIS (89692) Dr. JIHONG CHEN (102178) Dr. JOHN K. MARSHALL (65428) Dr. JULIE TAN (115575) Dr. KATHRYN ISHANEE WOODMAN (113456) Dr. MARCO AMEDEO PUGLIA (80769) Dr. MARIA INES PINTO SANCHEZ (105775) Dr. MARYAM MOINI (114737) Dr. MATTHEW STEPHEN COLLINS (111765) Dr. MOHAMMAD YAGHOOBI (85515) Dr. NEERAJ NARULA (91106) Dr. PAUL MOAYYEDI (80566) Dr. PREMYSL BERCIK (79956) Dr. SIWAR MAZEN ALBASHIR (98972) Dr. SMITA LUNA SUDESHNA HALDER (89699) Dr. STEPHEN MICHAEL COLLINS (32336) Dr. TED XENODEMETROPOULOS (82870) Dr. XIAOPENG BAI (275334) Dr. JOCELYN SILVESTER (136145) NP SARAH RAVIDA (18060170) NP VICTORIA PIKOR (12502776) Service Eligibility Adult GI Other Details McMaster University Medical Centre - Hamilton Health Sciences Health Service Offering Other Hydrogen Breath Testing, Indirect Calorimetry Service Hours Monday - Friday 0800 hrs - 1630 hrs Service Languages English – Translation services available Parking https://www.hamiltonhealthsciences.ca/about-us/our-organization/our-locations/mcmaster-university-medical-centre/parking/ Accessibility https://www.hamiltonhealthsciences.ca/patients-visitors/while-youre-here/accessibility/ This recipient currently receives referrals from the referral network via eDT*, as part of eReferral Ontario. As such, updates on the status of the referral (or other updates) will not flow back through the referral network, and any follow-up requests should be sent via other means. Further, if you need to cancel or modify this referral, you will have to cancel or modify the referral in the referral network, AND notify the recipient provider directly. (The recipient provider will not receive the cancellation or modification automatically via eDT*). *eDT (electronic Data Transmittal), similar to eFax
Last verified: 2026-09-23