Quill Bills

AI-Powered Medical Billing

2.9Score#379 of 999 agents#13 of 29 in Medical biller and coder

Why it ranks #379

Quill Bills, an AI medical biller and coder from YC S23, ranks #379 of 999 AI agents and #13 of 29 in Medical biller and coder, with a score of 2.9 of 10. Data as of 3 Oct 2026.

The score adds four parts, each 0 to 10, by weight. Every point comes from public evidence. How scoring works ·

Proof 2 × 30% 0.6
Scale 2 × 30% 0.6
Momentum 2 × 25% 0.5
Autonomy 8 × 15% 1.2
= 2.9

Proof
Do customers use it? 30% of the score
2
Claims work done at scale.
- +2
  Work done at scale
  “We’ve got decades of billing experience on our team, and are already deployed with clinics and hospitals in the US processing millions of dollars in annual claim revenue.”
  Launch YC post · 10 Sep 2025
Not found: revenue or growth (+4), named customers (+3), a customer result (+2), a customer count (+2)
Scale
Is there a real company behind it? 30% of the score
2
3 people.
- +2
  3 people on its YC page3 or 4 people
Not found: funding round in its news (+3)
Momentum
Is it shipping and growing now? 25% of the score
2
Shows hiring.
- +2
  Hiring: 1 open roleFounding Business DevelopmentYC page
Not found: launch YC post in the last 6 months (+3), new traction claim in the last 6 months (+2), funding news in the last year (+2), a batch in the last year (it is YC Summer 2023) (+1)
Autonomy
How much of the job does it do on its own? 15% of the score
8
Autonomous worker: completes whole tasks; people handle exceptions.
- +8
  Level 3 of 4: Autonomous workerCompletes whole tasks; people handle exceptions.
What the model read
- Acts in other systems: 76% likely
- Finishes whole tasks: 50% likely
- Calls itself an agent: 4% likely
Level 3: Completes whole tasks; people handle exceptions.

About Quill Bills

Quill Bills is a medical billing company that works with healthcare providers to significantly lower billing costs and recover denied claims. Our platform performs much of a biller's job autonomously, and we sell this platform to private practice doctors and medical MSOs.