Zachary S Wallace MD

Physician

Massachusetts General Hospital55 Fruit St.Boston, MA 02114
Phone+1 617-726-2865

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Education & Training

Harvard T.H. Chan School of Public HealthM.Sc., Epidemiology, 2014 - 2017
Mass General Brigham/Massachusetts General HospitalFellowship, Rheumatology, 2013 - 2015
Mass General Brigham/Massachusetts General HospitalResidency, Internal Medicine, 2010 - 2013
Georgetown University School of MedicineClass of 2010
Cornell UniversityB.A., History, Distinction in All Subjects, 2002 - 2006

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A self-designated specialty, subspecialty, or practice area neither implies nor is equivalent to ABMS board certification or the existence of specialized training by or competence of a physician or medical specialist.

Certifications & Licensure

ME State Medical License Current
MA State Medical License 2012 - 2027
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Rheumatology

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification EpicCare Inpatient 2014 Certified EHR Suite, Epic Systems Corporation, 2017
CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2017
CMS Meaningful Use Stage 1 Certification EpicCare Inpatient 2014 Certified EHR Suite, Epic Systems Corporation, 2017

Publications & Presentations

PubMed

B-Cell Depletion Relative to Tumor Necrosis Factor Inhibition Extends the Duration of Viral Shedding in COVID-19 Among Autoimmune Disease Patients: A Matched Prospecti...
Liya Sisay Getachew, Xiaosong Wang, Naomi J Patel, Zachary S Wallace, Lauren A O'Keeffe
ACR Open Rheumatology. 2026-08-01
Broad screening of inflammation-associated proteins identifies serum CCL19 as a novel biomarker of disease activity in IgG4-related disease.
Federica Bonaso, Bohang Jiang, Laura J Yockey, Jesse Akaa, Ian Doyle
Annals of the Rheumatic Diseases. 2026-05-13
Differences in SARS-CoV-2 Antigen Persistence in Individuals With Systemic Autoimmune Rheumatic Diseases Compared to the General Population: A RECOVER-Adult Cohort Study.
Naomi J Patel, Zoe Swank, Jiaqi Wang, Xiaosong Wang, Lauren A O'Keeffe
Arthritis & Rheumatology. 2026-04-27

Journal Articles

An international, multispecialty validation study of the IgG4-related disease responder index
Wallace ZS, Khosroshahi A, Carruthers MD, Perugino CA, Choi H, Campochiaro C, Culver EL, Cortazar F, Della-Torre E, Ebbo M, Fernandes A, Frulloni L, Hart P, Karadag O,..., Arthritis Care Res, 1/18/2018
Barriers and facilitators of mentoring for trainees and early career investigators in rheumatology research: Current state, identification of needs, and roadmap to an ...
Ogdie A, Sparks JA, Angeles-Han ST, Bush K, Castelino FV, Golding A, Jiang Y, Kahlenberg JM, Kim AHJ, Lee YC, Machireddy K, Ombrello MJ, Shah AA, Wallace ZS, Nigrovic ..., Arthritis Care Res, 1/1/2018
Lymphomas in IgG4-related disease: clinicopathologic features in a Western population
Bledsoe J, Wallace ZS, Stone JH, Deshpande V, Ferry JA, Virchows Arch, 1/28/2017

Books/Book Chapters

Pocket Primary Care
Chapter: Chapters in Rheumatology
Wallace ZEditors: Keifer M & Chong C.LWWEdition 2nd,2017
Pocket Medicine
Chapter: Rheumatology
Wallace ZEditors: Sabatine, M.LWW, Philadelphia, PAEdition 5th,2013

Abstracts/Posters

Multicentric Castleman’s Disease and IgG4-RD: An International Case Exchange Exercise
Wallace Z, Third International Symposium on IgG4-Related Disease, Maui, HI, 1/1/2017
A Trial of XmAb 5871, a Reversible Inhibitor of CD19+ Cells in IgG4-Related Disease
Wallace Z, American College of Rheumatology Annual Meeting, San Diego, CA, 1/1/2017
Rituximab for the Treatment of IgG4-related and Idiopathic Retroperitoneal Fibrosis.
Wallwork R, Wallace ZS, Perugino C, Sharma A, Stone JH, American College of Rheumatology Annual Meeting, San Diego, CA, 1/1/2017

Lectures

Cluters in IgG4-RD
1/1/2018
IgG4-Related Disease: A Rapidly Evolving Field
Georgetown University, Washington, DC - 1/1/2017
A 64-year-old man with fevers, arthralgias, and testicular pain
Massachusetts General Hospital - 1/1/2017

Other

IgG4-Related Disease (online article)
Wallace ZS, Co-Author, Medscape
1/1/2013

Authored Content

Reducing Glucocorticoid Duration in Anca-Associated Vasculitis: A Pilot TrialFebruary 2018
Reducing Glucocorticoid Duration in Anca-Associated Vasculitis: A Pilot TrialFebruary 2018
Reducing Glucocorticoid Duration in Anca-Associated Vasculitis: A Pilot TrialFebruary 2018

Press Mentions

‘Evidence-Based and Ethically Sound’ Definition of Long COVID Still ‘Too Sensitive’May 30th, 2025
ANCA-Associated Vasculitis: Parsing the Kidney ComplicationsMarch 3rd, 2023
A World of Difference: Updates from the Global Rheumatology SummitJanuary 20th, 2023

Grant Support

Impact of ANCA Type and Rituximab vs. Cyclophosphamide on Cardiovascular Risk, Mortality, and Quality-Adjusted Life Years inANCA-Associated VasculitisNIAMS2018–2023
Phenotypes and Biomarkers of IgG4-Related DiseaseRRF2016–2019