We conduct health services research with the overarching goal of improving healthcare delivery systems and ensuring equitable access to care for all.

San Francisco, CA
Joined September 2024
New article in @JAMAInternalMed by @Hsia_Lab: Access to dialysis facilities declines as community disadvantage rises. The most disadvantaged communities were 5.6× more likely to lack a facility within 30 mins. Coverage ≠ access. #ESKD #Policy Read more: jamanetwork.com/journals/jam…
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New study in @JournalGIM: ED visits surged 46% in CA, and many hospitals lacked continuous access to anesthesia, operating rooms, and psychiatric emergency services—raising concerns about timely care for high-acuity patients #HealthSystems Read more: link.springer.com/article/10…
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New article by @Hsia_Lab: Medicaid ED use increased the most over 15 years, but Medicare outpatient ED visits rose nearly 30%, challenging assumptions that insurance reduces ED reliance🚑🏥policies may miss drivers of demand: access and system capacity jamanetwork.com/journals/jam…
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@UCSF_IHPS faculty @ReneeYHsia (@Hsia_Lab) study in @JAMANetworkOpen: Black and White stroke patients treated side-by-side in the same certified hospital. Only White patients saw gains in treatment after certification. We need more than access—we need action.
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Read @Hsia_Lab’s new @JAMANetworkOpen study: 🏥 Same hospital. 🧠 Same stroke. ❌ Different treatment. Black patients saw no or minimal gains in stroke treatment after certification, unlike White patients. See more: tinyurl.com/yk4uy7c3
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While stroke center certification near communities increased admissions for both Black and White patients, only White patients saw an increase in acute stroke treatments in this cohort study. @ReneeYHsia ja.ma/417zMks
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New in @JAMANetworkOpen by @Hsia_Lab: Stroke center certification increased access for Black & White patients, but only White patients saw treatment gains. Black patients had declines in thrombolysis & thrombectomy🏥 #StrokeCare #HealthEquity Read more: tinyurl.com/ym62ehy9
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🧠In a new study published by @Hsia_Lab in @AnnalsofEM: Advantaged communities saw gains in stroke treatment and lower 1-year mortality. Disadvantaged communities saw neither. Certification alone won’t close outcome gaps #StrokeCertification #HealthEquity tinyurl.com/2wfz7u4p
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In a @Hsia_Lab study of nearly 6M CA EMS offloads, communities with higher proportions of Black residents faced up to 11.8 minutes longer ambulance offload times🚑 Delays like these may contribute to disparities in emergency care. #HealthEquity Read more: jamanetwork.com/journals/jam…
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New @JAMAInternalMed paper by @ReneeYHsia 🚑 found that after #Medicaid cut dental benefits, ED visits for non-traumatic dental conditions (NTDCs) increased. When benefits were restored in 2018, visits declined—but only partially. #EmergencyCare Read more: jamanetwork.com/journals/jam…
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New @Forbes editorial by @ReneeYHsia 🏥24M Americans now have ACA coverage—a huge step for access. But is our healthcare system truly fixed? Learn how delays, upcoding & fee-for-service drive costs sky-high 💸 Read more: forbes.com/sites/reneehsia/2…
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New findings in @JAMANetworkOpen by @Hsia_Lab 🚑 79% of ambulance offload times in California exceed the 30-min standard, with offload delays worsening from 2021 to 2023. These delays may strain EMS availability & jeopardize patient outcomes. Read more: jamanetwork.com/journals/jam…
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🏥 Newly certified stroke centers provide greater benefits to patients residing in areas without pre-existing stroke center access. How can we ensure the equitable distribution of stroke care services? Read more in this new article by @ReneeYHsia: jamanetwork.com/journals/jam…
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🫀 New findings: Expanding specialized cardiac services led to the greatest improvements in outcomes for Black patients living in racially integrated communities, regardless of heart attack type. @JAHA_AHA @nih_nhlbi ahajournals.org/doi/10.1161/…
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