Dr. Johnston is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Office
University Drive
3 West
Pittsburgh, PA 15240Phone+1 866-482-7488
Education & Training
UPMC Medical EducationFellowship, Gastroenterology, 2015 - 2018
McGaw Medical Center of Northwestern UniversityResidency, Internal Medicine, 2012 - 2015
Perelman School of Medicine at the University of PennsylvaniaClass of 2012
Certifications & Licensure
PA State Medical License 2015 - 2026
IL State Medical License 2012 - 2015
American Board of Internal Medicine Internal Medicine- American Board of Internal Medicine Gastroenterology
Publications & Presentations
PubMed
- 1 citationsEfficacy of Ustekinumab and Vedolizumab Among Postoperative Crohn's Disease Patients as Postoperative Prophylaxis and Rescue Therapy: Real-world Data.Furkan U Ertem, Claudia Ramos Rivers, Amir Ali Ghaffari, Andrew R Watson, Gong Tang
Inflammatory Bowel Diseases. 2025-02-06 - 3 citationsGranuloma Presence at Initial Surgery Predicts Need for Repeat Surgery Independent of Rutgeerts Score in Crohn's Disease.Furkan U Ertem, Claudia Ramos Rivers, Andrew R Watson, Gong Tang, Marc Schwartz
Inflammatory Bowel Diseases. 2023-12-05 - 7 citationsHigh Sugar-Sweetened Beverage Consumption Is Associated with Increased Health Care Utilization in Patients with Inflammatory Bowel Disease: A Multiyear, Prospective An...Maaz Ahsan, Filippos Koutroumpakis, Claudia Ramos Rivers, Annette S Wilson, Elyse Johnston
Journal of the Academy of Nutrition and Dietetics. 2022-08-01
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence:
