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LunaBill (YC F25) — AI voice callers for healthcare billing teams

LunaBill appears in Y Combinator's company directory in the Fall 2025 batch, listed 2025-10-07. AI Voice callers for healthcare billing teams.

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LunaBill: Accepted into Y Combinator Fall 2025

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LunaBill

New accelerator entry · 2025-10-07 · the record

Fall 2025
batch
4
people
Early
stage
United States of America
region
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In their words

LunaBill is building AI Voice callers for healthcare billing teams. Insurance claim follow-up calls account for the 80% of the daily workload of a healthcare billing team, with each call averaging 30 minutes. Since our launch in July we are now at $764K in contracted ARR, of which $428K is live revenue and the rest will go live by January 2026. Our customers see a 10x increase in claims followed up per biller in the first week and we have converted 100% of pilots to paying customers. We have automated 50,000+ calls and signed partnerships with top healthcare systems in the country. The founders have known each other for over a year. Suhail is a 2x founder, with 3+ years of experience building in healthcare including operating a medical billing company with 200+ healthcare clients. David founded Skiesoft, Taiwan’s biggest healthcare AI scribe company, used by thousands of healthcare professionals. He also worked as a data scientist at UCSF, building models to audit medical-coding accuracy.

What the record says

BatchFall 2025
Announced2025-10-07
StageEarly
StatusActive
Team size4
IndustryHealthcare
Sub-industryHealthcare -> Healthcare IT
SectorsGenerative AI, Health Tech, Healthcare, Healthcare IT, AI
RegionsUnited States of America, America / Canada
BasedSan Francisco, CA, USA
HiringNo
Sitehttps://lunabill.com/

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Permanent URL: https://mentionfox.com/funding/yc-lunabill
Last updated 2026-09-26
Primary record: Y Combinator directory entry
LunaBill (YC F25) — AI voice callers for healthcare billing teams. MentionFox, 2026-09-26. https://mentionfox.com/funding/yc-lunabill