Weighting Primary Care Patient Panel Size: A Novel Electronic Health Record-Derived Measure Using Machine Learning

Alvin Rajkomar   ^{1 *} , MD ;   Joanne Wing Lan Yim   ^{2 *} , PhD ;   Kevin Grumbach   ^{3, 4} , MD ;   Ami Parekh   ^{1, 3} , MD, JD

¹ Department of Medicine, University of California, San Francisco, San Francisco, CA, United States

² Clinical Systems, University of California, San Francisco, San Francisco, CA, United States

³ Office of Population Health and Accountable Care, UCSF Health, University of California, San Francisco, San Francisco, CA, United States

⁴ Department of Family and Community Medicine, University of California, San Francisco, San Francisco, CA, United States

*these authors contributed equally