John Jung Uk Sim MD
Director of Graduate Medical Education, Research, and Simulation Center, KPSC Lead Chronic Kidney Disease Quality and Analysis, Kaiser Permanente Los Angeles Medical Center, Clinical Professor, Department of Clinical Science, Kaiser Permanente Bernard J. Tyson School of Medicine
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4733 W Sunset BlvdLos Angeles, CA 90027
Phone+1 323-783-4011
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Education & Training
Kaiser Permanente Southern California (Los Angeles)Fellowship, Nephrology, 2003 - 2005
Los Angeles County-Harbor-UCLA Medical CenterResidency, Internal Medicine, 1999 - 2002
Chicago Medical School at Rosalind Franklin University of Medicine and ScienceClass of 1999
Certifications & Licensure
CA State Medical License 2000 - 2026
American Board of Internal Medicine Nephrology
Publications & Presentations
PubMed
- Accuracy of ICD-10 coding for identifying immunoglobulin A nephropathy (IgAN) prior to 2023.Alesya P Sumantri, Carolyn K Kim, Qiaoling Chen, Nancy T Cannizzaro, John J Sim
Clinical Kidney Journal. 2025-11-01 - 2 citationsCKD progression, kidney failure, and mortality among US patients with IgA nephropathy.John J Sim, Qiaoling Chen, Nancy Cannizzaro, Ancilla W Fernandes, Cibele Pinto
Nephrology, Dialysis, Transplantation. 2025-10-30 - Treatment Response Rates and Kidney Outcomes among Adults with Primary FSGS.John J Sim, Mercedes A Munis, Benjamin Lewing, Qiaoling Chen, Matthew Hill
Clinical Journal of the American Society of Nephrology. 2025-10-07
Journal Articles
- Hypoglycemia-Related Hospitalizations and Mortality Among Patients with Diabetes Transitioning to DialysisCsaba P Kovesdy, John J Sim, Miklos Z Molnar, Kevin Abbott, Kamyar Kalantar-Zadeh, American Journal of Kidney Diseases
Authored Content
- US Renal Data System 2017 Annual Data Report: Epidemiology of Kidney Disease in the United StatesFebruary 2018
Press Mentions
Even “Low-Risk” Proteinuria Portends Adverse Kidney Outcomes in IgA NephropathyJune 11th, 2025- In CKD, Heart Failure Increases Likelihood of Inpatient DialysisMarch 21st, 2025
Researchers Find More Than Half of Patients with Newly Abnormal Kidney Function Tests Are Not Getting Timely Follow-up TestingJuly 16th, 2019- Join now to see all
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