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Legion Health (YC S21) — Autonomous medical care

Legion Health is building autonomous medical care, starting with psychiatry. Our AI-native care-delivery platform currently automates 95% of the administrative work required for us to deliver direct patient care.

Legion Health is a Y Combinator company in the Summer 2021 batch. Its directory entry describes it as: Autonomous medical care. The founders listed are Yash Patel (Founder/CEO), Arthur MacWaters (Founder), Daniel Wilson (Founder/CTO) (Y Combinator directory entry, June 25, 2021).

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Legion Health

New accelerator entry · 2021-06-25 · the record

Summer 2021
batch
11
people
Growth
stage
United States of America
region
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What the record says

BatchSummer 2021
Announced2021-06-25
StageGrowth
StatusActive
Team size11
IndustryHealthcare
Sub-industryHealthcare -> Consumer Health and Wellness
SectorsConsumer Health Services, Telehealth, Healthcare, Mental Health, AI
RegionsUnited States of America, America / Canada, Remote, Partly Remote
BasedSan Francisco, CA, USA
HiringYes
Sitehttps://legionhealth.com
Founded2021
YC group partnerGarry Tan

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Also in YC Summer 2021

Same batch, Healthcare first.

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In their words

Legion Health is building autonomous medical care, starting with psychiatry. Our AI-native care-delivery platform currently automates 95% of the administrative work required for us to deliver direct patient care. We also became the first company ever to receive regulatory authorization to let AI prescribe psychiatric medications, allowing us to not only collapse health care’s admin costs but also its clinical labor costs—entirely shifting this industry’s economics from humans to tokens.

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  8. Sources

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Legion Health: Accepted into Y Combinator Summer 2021
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Permanent URL: https://mentionfox.com/funding/yc-legion-health
Last updated 2026-10-29
Primary record: Y Combinator directory entry
Legion Health (YC S21) — Autonomous medical care. MentionFox, 2026-10-29. https://mentionfox.com/funding/yc-legion-health