Susanna Yu Tan
Biography
Susanna Yu Tan, M.D., is Chief of the Infectious Diseases Section in the Medicine Healthcare Group at the Veterans Affairs Long Beach Healthcare System and Health Sciences Associate Clinical Professor in the Division of Infectious Diseases, Department of Medicine at the University of California, Irvine. She received her Doctor of Medicine from De La Salle University Health Sciences Institute in the Philippines, completed her Internal Medicine residency at Maricopa Integrated Health System, and completed her fellowship in Infectious Diseases at the University of California, Irvine Medical Center.
Since March 2020, Tan has served as Lead Consultant of Infectious Diseases and Infection Prevention and Control for COVID-19-related operations at the VA Long Beach Healthcare System, working as a Subject Matter Expert in the Medical Branch of the facility's COVID-19 Incident Command Response. In this role, she developed and implemented facility guidelines for pandemic response and resource management, including emergency decontamination protocols and conservation of personal protective equipment. She received the Honorable Robert L. Wilkie, Secretary of Veterans Affairs Challenge Coin in recognition of her contributions to the COVID-19 response and was named the Long Beach Veterans Affairs Healthcare System Employee of the Year in the Clinical Category in 2020.
Tan's clinical and research work focuses on infectious diseases, infection prevention and control, and antibiotic stewardship. She has served as a local site investigator for multiple VA cooperative studies and clinical trials, including the ACTIV-3 trial evaluating therapeutics for hospitalized COVID-19 patients. She chairs the Infection Prevention and Control Committee at VA Long Beach and is currently working on establishing a Post-Acute Sequelae of SARS-CoV-2 infection clinic and clinical study. Tan has presented her research at national conferences including IDWEEK and the Society for Healthcare Epidemiologists Spring Conference.
Return to topEducation
- M.D., De La Salle University Health Sciences Institute, 2009
- B.S. in Human Biology, De La Salle University – Manila, 2006
Distinctions
- Honorable Robert L. Wilkie, Secretary of Veterans Affairs Challenge Coin, 2020
- Fellowship Scholarship Recipient, Remington Winter Conference, 2017
- HRO (High Reliability Organization) Challenge Coin presented by Michael Fisher, network director of the Veterans Integrated Service Network (VISN), 2021
- A3 Award on Doctors' Day for quality improvement project: Diagnostic Stewardship and Standardization of Urine Culture Order Process at VALBHS, 2024
- Long Beach Veterans Affairs Healthcare System Employee of the Year – Clinical Category Award, 2020
Areas of Expertise
- Infectious Diseases
- Hospital-Acquired Infection Surveillance
- Antimicrobial Stewardship Programs
- Clostridium Difficile Treatment
- Post-Acute COVID-19 Sequelae
- Diagnostic Stewardship Interventions
- Central Line Care Transitions
Recent Publications
- ACTIV-3–Therapeutics for Inpatients with COVID-19 (TICO) Study Group, “Tixagevimab–cilgavimab for treatment of patients hospitalised with COVID-19: a randomised, double-blind, phase 3 trial”, Lancet Respir Med, vol. 10, pp. 972-84, 2022.
- Tan S, Jayaram L, Saeed Z, Al-Qaisi M, Nadir A, “Vanishing Bile Ducts, Cholestatic Jaundice and Portal Hypertension Secondary to Hepatic ALECT-2 Amyloid Deposition”, Journal of Clinical Gastroenterology, vol. 51, no. 1, pp. 87-88, 2017.
- Tan S, Ayutyanont N, Bhattarai B, Movahedi Z, Jayaram L, Gish R, Nadir A, “Clinical Characteristics of Antimitochondrial Antibody Positive Patients at a Safety Net Healthcare System in Arizona”, BMJ Open Gastroenterology, vol. 4, pp. e000158, 2017.
- Chebbo A, Tan S, Kassis C, Tamura L, Carlson R, “Maternal Sepsis and Septic Shock”, Critical Care Clinics, vol. 32, no. 1, pp. 119-35, 2016.
- Tan S, Movahedi Z, Beisel J, Ayutyanont N, Nadir A, “Correlation of Anti-mitochondrial Antibodies with Liver Histology and Outcomes”, Digestive Diseases and Sciences, vol. 61, no. 6, pp. 1770-1, 2016.
- Carll W, Tan S, Skinner S, “July 2016 critical care case of the month”, Southwest J Pulm Crit Care, vol. 13, no. 1, pp. 9-14, 2016.
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Last updated on 3/31/2026.