Yusuke Tsugawa, Ph.D., M.P.H., M.D.

A Short Biography:

Yusuke Tsugawa, MD, MPH, PhD is Associate Professor of Medicine and Health Policy and Management at UCLA. Prior to joining the faculty at UCLA, he was a health specialist at the World Bank group and a research fellow at Beth Israel Deaconess Medical Center/Harvard Medical School. His research focuses on determinants of the quality and costs of care of individual physicians. Dr. Tsugawa's research has been published in leading medical journals including JAMAJAMA Internal MedicineBMJ, and Lancet. Dr. Tsugawa's research has also been featured in several media outlets including The New York TimesThe Washington Post, and National Public Radio

Dr. Tsugawa received PhD in Health Policy from Harvard University, MPH from Harvard School of Public Health, and MD from Tohoku University School of Medicine in Japan. His research is supported by grants from the National Institute of Health (NIH).

Work Titles
UCLA Associate Professor, Medicine Associate Professor, Health Policy and Management Faculty Associate, UCLA Center For Health Policy
Ph.D., Harvard University
M.P.H., Harvard School of Public Health
M.D., Tohoku University School of Medicine

Contact Information:

Email Address:



Office Phone Number:

(310) 794-2523

Mailing Address:

UCLA Division of General Internal Medicine and Health Services Research (GIM/HSR)
1100 Glendon Ave Suite 850-865
Los Angeles, CA 90024


View a up-to-date publication list: Complete list of publications

A selected list of publications:

Kato Hirotaka, Jena Anupam B, Figueroa Jose F, Tsugawa Yusuke   Association Between Physician Part-time Clinical Work and Patient Outcomes JAMA internal medicine, 2021; 98: 104531.
Liu Charles, Gotanda Hiroshi, Khullar Dhruv, Rice Thomas, Tsugawa Yusuke   The Affordable Care Act's Insurance Marketplace Subsidies Were Associated With Reduced Financial Burden For US Adults Health affairs (Project Hope), 2021; 40(3): 496-504.
Fukuma Shingo, Iizuka Toshiaki, Ikenoue Tatsuyoshi, Tsugawa Yusuke   Association of the National Health Guidance Intervention for Obesity and Cardiovascular Risks With Health Outcomes Among Japanese Men JAMA internal medicine, 2020; .
Liu Charles, Maggard-Gibbons Melinda, Weiser Thomas G, Morris Arden M, Tsugawa Yusuke   Impact of the Affordable Care Act Insurance Marketplaces on Out-of-Pocket Spending Among Surgical Patients Annals of surgery, 2020; .
Osawa Itsuki, Goto Tadahiro, Yamamoto Yuji, Tsugawa Yusuke   Machine-learning-based prediction models for high-need high-cost patients using nationwide clinical and claims data NPJ digital medicine, 2020; 3(1): 148.
Nishi Akihiro, Dewey George, Endo Akira, Neman Sophia, Iwamoto Sage K, Ni Michael Y, Tsugawa Yusuke, Iosifidis Georgios, Smith Justin D, Young Sean D   Network interventions for managing the COVID-19 pandemic and sustaining economy Proceedings of the National Academy of Sciences of the United States of America, 2020; .
Gotanda Hiroshi, Jha Ashish K, Kominski Gerald F, Tsugawa Yusuke   Out-of-pocket spending and financial burden among low income adults after Medicaid expansions in the United States: quasi-experimental difference-in-difference study The BMJ, 2020; 368: m40.
Kato H, Jena AB, Tsugawa Y   Patient mortality after surgery on the surgeon’s birthday: observational study BMJ, 2020; 371: m4381.
Tsugawa Yusuke, Figueroa Jose F, Papanicolas Irene, Orav E John, Jha Ashish K   Assessment of Strategies for Managing Expansion of Diagnosis Coding Using Risk-Adjustment Methods for Medicare Data JAMA internal medicine, 2019; 235(8): 112390.
Tsugawa Yusuke, Dimick Justin B, Jena Anupam B, Maggard-Gibbons Melinda, Blumenthal Daniel M, Gross Nate, Jha Ashish K   Comparison of Patient Outcomes of Surgeons Who Are US Versus International Medical Graduates Annals of surgery, 2019; 3(2): e200157.
Tsugawa Yusuke, Jena Anupam B, Orav E John, Blumenthal Daniel M, Tsai Thomas C, Mehtsun Winta T, Jha Ashish K   Age and sex of surgeons and mortality of older surgical patients: observational study The BMJ, 2018; 361: k1343.
Tsugawa Yusuke, Blumenthal Daniel M, Jha Ashish K, Orav E John, Jena Anupam B   Association between physician US News & World Report medical school ranking and patient outcomes and costs of care: observational study The BMJ, 2018; 362: k3640.
Blumenthal Daniel M, Olenski Andrew R, Tsugawa Yusuke, Jena Anupam B   Association Between Treatment by Locum Tenens Internal Medicine Physicians and 30-Day Mortality Among Hospitalized Medicare Beneficiaries JAMA, 2017; 318(21): 2119-2129.
Tsugawa Yusuke, Jena Anupam B, Figueroa Jose F, Orav E John, Blumenthal Daniel M, Jha Ashish K   Comparison of Hospital Mortality and Readmission Rates for Medicare Patients Treated by Male vs Female Physicians JAMA internal medicine, 2017; 177(2): 206-213.
Tsugawa Yusuke, Newhouse Joseph P, Zaslavsky Alan M, Blumenthal Daniel M, Jena Anupam B   Physician age and outcomes in elderly patients in hospital in the US: observational study The BMJ, 2017; 357(1): j1797.
Tsugawa Yusuke, Jena Anupam B, Orav E John, Jha Ashish K   Quality of care delivered by general internists in US hospitals who graduated from foreign versus US medical schools: observational study The BMJ, 2017; 356(5): j273.
Tsugawa Yusuke, Jha Ashish K, Newhouse Joseph P, Zaslavsky Alan M, Jena Anupam B   Variation in Physician Spending and Association With Patient Outcomes JAMA internal medicine, 2017; 177(5): 675-682.
Figueroa Jose F, Tsugawa Yusuke, Zheng Jie, Orav E John, Jha Ashish K   Association between the Value-Based Purchasing pay for performance program and patient mortality in US hospitals: observational study The BMJ, 2016; 353(6): i2214.
Tsugawa Yusuke, Mukamal Kenneth J, Davis Roger B, Taylor William C, Wee Christina C   Should the hemoglobin A1c diagnostic cutoff differ between blacks and whites? A cross-sectional study Annals of internal medicine, 2012; 157(3): 153-9.

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