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Quill Bills

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Quill Bills

AI-Powered Medical Billing

quillbills.com
HQ: San Francisco, CA, USA
1-10
B2B

Company research

Public company, workplace, funding, and market signals

Overview

Quill Bills is an AI-native medical billing / revenue cycle management platform for independent practices and medical MSOs. It automates the billing workflow end to end, including eligibility, coding, claim scrubbing/submission, payment posting, denials follow-up, and patient billing.

Primary product

Autonomous medical billing / RCM platform

Founded

2023

Headquarters

San Francisco, CA, United States

Team size

1-10

Work style

Flexible

Industry

Hospitals and Health Care

Sub-industry

Medical billing / revenue cycle management

Offices

125 Stevenson St, San Francisco, CA 94103

Business model

B2B SaaS
managed services
white-glove billing service
percentage-of-collections service

Funding

Stage

Seed

Total raised

$3.3M

Latest round

Seed · Mar 2026

Latest amount

$3.2M

People & investors

Leadership

Gabriel Banks

Founder and CEO

Kartik Donepudi

Co-Founder and CTO

Investors

Moxxie Ventures
Y Combinator

Work & culture

Small, fast-moving team focused on using AI to solve real provider billing problems; founder-led, shipping-oriented, and comfortable with ambiguity.

Work style

Flexible

Compensation

Public postings advertise founding equity and competitive salary. One public role listing showed $60k-$120k base pay and 0.1%-0.5% equity for a founding business development role.

Benefits

founding equity
competitive salary
health benefits
flexible work

Product & market

Pricing

Custom quote / modular services; public launch copy also advertised a limited white-glove service at a flat 1.8% fee with no onboarding fee and a price-match guarantee.

Differentiators

  • —AI-native autonomous billing across the full revenue cycle
  • —Automates eligibility, coding, claim scrubbing, submission, posting, and patient billing
  • —AI phone-agent fallback for eligibility and follow-up calls
  • —Modular services or full RCM partnership
  • —Price-match guarantee against existing RCM software costs
  • —Human billers handle manual checks and exceptions

Technology

TypeScript
Svelte
Python
LLMs
AI tooling
EHR integrations
payer portals
AI phone agents

Customers

independent medical practices
private practice doctors
medical MSOs
clinics and hospitals in the US

Competitors

traditional outsourced medical billing agencies
legacy RCM software vendors
Waystar
Cedar
AKASA
athenahealth
R1 RCM

Scale & contact

Estimated monthly visits

1.2K

info@quillbills.com

Latest news

We're proud to have Quill Bills as a Stedi Platform Partner

Stedi on LinkedIn · May 2026

Stedi described Quill Bills as a platform partner and reiterated its automations from coding and eligibility through claim submission and payment posting, plus modular services and price matching.

Spotlight: Kartik Donepudi @ Quill Bills

Stedi · May 2026

Interview with co-founder Kartik Donepudi describing Quill Bills as an AI-powered practice management system with automations for VOB, coding, claim submission, claim scrubbing, status checks, follow-ups, and analytics.

Quill Bills Raises $3.2M to Automate Medical Billing

Quill Bills Blog · Mar 2026

Official funding announcement: Quill Bills said it raised $3.2M led by Moxxie Ventures to expand payer intelligence, denial management, prior authorization, patient collections, and integrations.

Quill Bills: AI-powered medical billing agency for doctors

Y Combinator on LinkedIn · Sep 2025

YC launch post said Quill Bills helps healthcare providers lower billing costs, fight denials, and process millions of dollars in annual claim volume.

Launch YC: Quill Bills: AI billing that makes doctors more money!

Y Combinator

Launch page describes Quill Bills as a transparent, fast, affordable medical billing agency using AI plus human billers, with a limited white-glove offer at a flat 1.8% fee and no onboarding fee.

App portalCalendly demo linkCareersFunding announcement blogHomepageLinkedIn company pageStedi spotlightY Combinator company pageY Combinator launch page
SourcesOfficial homepageCareers pageFunding announcement blogLinkedIn company pageY Combinator company pageY Combinator launch pageStedi spotlight on Kartik DonepudiGabriel Banks LinkedInKartik Donepudi LinkedInApp portal

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