• Risha Gidwani, Lori Uscher-Pines, Aaron Kofner, and Christopher M Whaley.
• RAND Corporation, 1776 Main St, Santa Monica, CA 90401. Email: cwhaley@rand.org.
• Am J Manag Care. 2023 Jan 1; 29 (1): 192619-26.

ObjectivesTo compare how in-person evaluation and management (E&M) visits and telehealth use differed during the COVID-19 pandemic between commercially insured and Medicaid enrollees, and to assess how insurance plan type-fee-for-service (FFS) vs managed care (MC)-and enrollee characteristics contributed to these differences.Study DesignRetrospective cohort analysis of 2019 and 2020 data from the commercially insured California Public Employees' Retirement System (CalPERS) and the California Medicaid program (Medi-Cal).MethodsWe conducted unadjusted comparisons of per capita E&M visits and the share of visits conducted via telehealth by payer (CalPERS vs Medi-Cal) and plan type (FFS vs MC). We estimated linear regressions of telehealth use that adjusted for patient demographics, rurality, and internet access. Among Medi-Cal enrollees, we examined telehealth use differences based on race, language, and citizenship status.ResultsRegression-adjusted share of telehealth visits as a proportion of all E&M visits was 22.6% for CalPERS FFS patients (the reference group), 38.2% for Medi-Cal FFS patients, 46.0% for Medi-Cal MC patients, and 53.5% for CalPERS MC patients. Among Medi-Cal enrollees, telehealth use as a share of all E&M visits was higher among Spanish speakers, female enrollees, and rural enrollees. Across most demographic characteristics, Medi-Cal patients enrolled in FFS were less likely to receive telehealth compared with those enrolled in MC.ConclusionsDuring the first year of the COVID-19 pandemic, California MC enrollees had higher rates of telehealth use compared with FFS enrollees, regardless of insurer. Among FFS enrollees, those enrolled in Medicaid had higher rates of telehealth use compared with those insured by CalPERS. Telehealth policies should be aware of this heterogeneity, as well as its implications for equity of telehealth access.

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