LunaBill

AI Voice callers for healthcare billing teams

Y CombinatorFall 2025ActiveHealthcareHealthcare ITGenerative AIHealth TechHealthcareHealthcare IT

What they do

Problem

Healthcare billing teams spend most of their time on long insurance claim follow-up calls, creating major operational bottlenecks and slow reimbursements.

Solution

LunaBill provides AI voice agents that place and handle insurance claim follow-up calls to automate and scale billing team workflows.

Who it's for

Healthcare provider billing teams and revenue cycle management organizations that follow up on insurance claims.

Founders

Suhail Parry

Founder

2x founder. Prior to LunaBill, I worked as a founding engineer at Knowext, building AI automation for various hospitals and later joined as an operator for Mediregi, an RCM company with 200+ healthcare clients.

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David Day

Founder

David previously founded Skiesoft, one of Taiwan’s biggest AI scribe company. He also worked at a data scientist at UCSF, building models to audit coding accuracy.