TL;DR: If you are replacing Quill Bills, the closest options are Biocogniv, Docbot, Semantix. The table below compares 12 alternatives on what they do, stage, size and status.
Every alternative below is compared on what it actually does, not just its category — so you can see which one genuinely replaces Quill Bills (YC Summer 2023).
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The three closest alternatives to Quill Bills are:
| Alternative | What it does | Stage | Team | Status |
|---|---|---|---|---|
| Biocogniv | — | YC Summer 2020 | 6 | Acquired |
| Docbot | — | YC Winter 2019 | — | Acquired |
| Semantix | AI for medical billing | YC Summer 2017 | 2 | Inactive |
| HealthSherpa | Private sector Healthcare.gov. | YC Summer 2012 | 220 | Active |
| Tivara | The AI workforce for medical groups | YC Summer 2024 | 2 | Active |
| Mind Emulation Foundation | — | YC Winter 2018 | 1 | Active |
| Sophys | AI Agents for Healthcare Intake | YC Winter 2022 | 1 | Active |
| Simbie AI | We get patients to their next appointment | YC Summer 2023 | 5 | Active |
| Medicare Vox (fka Fair Square) | Building an AI Health Insurance Agent. | YC Winter 2020 | 20 | Active |
| Aegis | AI Agents to win denied health insurance claims. | YC Spring 2025 | 3 | Active |
| CareOasis | Get Paid for Family Caregiving | YC Summer 2023 | 2 | Active |
| Evry Health | Better health insurance for mid-size companies | YC Winter 2018 | 87 | Acquired |
It depends on your size. Biocogniv is the closest match on what Quill Bills actually does. If you need something more established, sort the table by team size — larger teams generally mean more support and a longer track record. If budget is the constraint, the earlier-batch companies are usually the ones still competing on price.
Quill Bills is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
Every company here is Y Combinator-backed and was matched to Quill Bills on what it actually does — its own description of its product — rather than on a broad category label. Batch, team size and operating status come from the YC directory and are shown as-is. We do not rank by payment.
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