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

A Short Biography:

Yusuke Tsugawa, MD, MPH, PhD is Assistant Professor of Medicine 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. Dr. Tsugawa received his PhD in Health Policy from Harvard University with a concentration in statistics, and his MPH from Harvard School of Public Health. His research focuses on the variation in quality and costs of care across individual physicians and its determinants. Dr. Tsugawa's research has been published in leading medical and health policy journals including JAMA Internal MedicineBMJ and Lancet. The Altmetric selected Dr. Tsugawa's paper comparing the quality of care between male and female physicians as the 3rd most widely-read article in 2017 (https://www.altmetric.com/top100/2017). Dr. Tsugawa's research has also been featured in several media outlets including The New York Times,The Washington Post, and National Public Radio

Work Titles
UCLA Assistant Professor In-Residence, Medicine Assistant Professor In-Residence, 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:

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; .
Osawa I, Goto T, Yamamoto Y, Tsugawa Y.   Machine-learning-based prediction models for high-need high-cost patients using nationwide clinical and claims data. npj Digit. Med, 2020; 3(148): .
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; .
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 BMJ (Clinical research ed.), 2020; 368: m40.
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.
Nomura Shuhei, Sakamoto Haruka, Glenn Scott, Tsugawa Yusuke, Abe Sarah K, Rahman Md M, Brown Jonathan C, Ezoe Satoshi, Fitzmaurice Christina, Inokuchi Tsuyoshi, Kassebaum Nicholas J, Kawakami Norito, Kita Yosuke, Kondo Naoki, Lim Stephen S, Maruyama Satoshi, Miyata Hiroaki, Mooney Meghan D, Naghavi Mohsen, Onoda Tomoko, Ota Erika, Otake Yuji, Roth Gregory A, Saito Eiko, Tabuchi Takahiro, Takasaki Yohsuke, Tanimura Tadayuki, Uechi Manami, Vos Theo, Wang Haidong, Inoue Manami, Murray Christopher J L, Shibuya Kenji   Population health and regional variations of disease burden in Japan, 1990-2015: a systematic subnational analysis for the Global Burden of Disease Study 2015 Lancet (London, England), 2017; 390(10101): 1521-1538.
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.
Shimada Yuichi J, Tsugawa Yusuke, Brown David F M, Hasegawa Kohei   Bariatric Surgery and Emergency Department Visits and Hospitalizations for Heart Failure Exacerbation: Population-Based, Self-Controlled Series Journal of the American College of Cardiology, 2016; 67(8): 895-903.
Sugiyama Takehiro, Hasegawa Kohei, Kobayashi Yasuki, Takahashi Osamu, Fukui Tsuguya, Tsugawa Yusuke   Differential time trends of outcomes and costs of care for acute myocardial infarction hospitalizations by ST elevation and type of intervention in the United States, 2001-2011 Journal of the American Heart Association, 2015; 4(3): e001445.
Tsugawa Yusuke, Hasegawa Kohei, Hiraide Atsushi, Jha Ashish K   Regional health expenditure and health outcomes after out-of-hospital cardiac arrest in Japan: an observational study The BMJ open, 2015; 5(8): e008374.
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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