# Inbox Health

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/inbox-health

- Industry: Healthcare IT
- Headquarters: New Haven, US
- Website: www.inboxhealth.com
- Total disclosed funding: $52M
- Latest round: Series B (Jul 14, 2025)
- Investors on record: 15

## About

Based in the US, Inbox Health, Corp. specializes in patient billing software solutions that enhance revenue cycle management for healthcare providers. Their innovative platform streamlines billing processes and improves patient engagement.Inbox Health, Corp. was founded in 2014 in New Haven, US. In September 2025, Inbox Health, Corp. raised USD 10 million in venture debt funding led by new investor Silicon Valley Bank. The round was part of a larger USD 20 million equity and venture debt funding. Blake Walker serves as the CEO, and he is one of the co-founders alongside Simon Kaluza.Inbox Health specializes in patient billing software solutions designed to streamline the revenue cycle management process for healthcare providers. Their core offerings include automated billing cycles that are tailored to meet the specific needs of individual practices and patients, facilitating faster collections and higher revenue. The platform supports various communication methods, including email, SMS, paper mail, and voice calls, to ensure effective patient engagement. Inbox Health serves a diverse client base comprising over 3,000 healthcare practices and 2 million patients, primarily in the United States, offering solutions that address the common challenges of patient accounts receivable (A/R) management. Additionally, the software integrates with popular practice management systems, allowing for centralized management of patient billing processes, further enhancing operational efficiency.Inbox Health generates revenue through a subscription-based model, where healthcare practices pay for access to their comprehensive billing software and associated services. The structure of transactions typically involves monthly or annual fees tied to the number of patients or billing volume managed through the platform. Clients benefit from a range of features, including real-time patient support and customizable billing cycles, which are instrumental in accelerating payment collection rates. The effective use of Inbox Health’s services can lead to a significant reduction in administrative costs, making it a valuable partner for healthcare providers aiming to enhance financial performance. Through these offerings, the company positions itself not only as a billing solution provider but also as a strategic ally in improving the overall patient financial experience. The company plans to use the September 2025 funding to accelerate its research and development, enhance product capabilities, and scale its patient billing platform to meet growing market demand.

## Funding rounds

- Series B, Jul 14, 2025, $10M — I2BF, Commerce Ventures, Vertical Venture Partners, Healthy Ventures, Ten Coves Capital, Fairview Capital
- Series B, Apr 21, 2023, $23M — Fairview Capital Partners, Connecticut Innovations, Commerce Ventures, Vertical Venture Partners, Healthy Ventures, Ten Coves Capital
- Series A, Apr 5, 2021, $15M — Fairview Capital Partners, Connecticut Innovations, I2BF, Collaborative Fund, Commerce Ventures, Vertical Venture Partners, Healthy Ventures, Atento Capital
- Seed, Jun 21, 2019, $1.9M — Connecticut Innovations, I2BF, StartUp Health, Metropolis Ventures
- Seed, Jun 29, 2018, $0.9M — Connecticut Innovations, LaunchCapital, I2BF, Enhanced Capital
- Seed, Feb 6, 2017, $1.5M — Mohawk Capital Management, Connecticut Innovations, LaunchCapital, I2BF, Enhanced Capital

## Investors

- Mohawk Capital Management — Seed
- Connecticut Innovations (https://capitalatlas.ai/funds/connecticut-innovations) — Seed, Series A, Series B
- LaunchCapital (https://capitalatlas.ai/funds/launchcapital) — Seed
- I2BF (https://capitalatlas.ai/funds/i2bf) — Seed, Series A, Series B
- Enhanced Capital (https://capitalatlas.ai/funds/enhanced-capital) — Seed
- StartUp Health (https://capitalatlas.ai/funds/startup-health) — Seed
- Metropolis Ventures (https://capitalatlas.ai/funds/metropolis-ventures) — Seed
- Fairview Capital Partners (https://capitalatlas.ai/funds/fairview-capital-partners) — Series A, Series B
- Collaborative Fund (https://capitalatlas.ai/funds/collaborative-fund) — Series A
- Commerce Ventures (https://capitalatlas.ai/funds/commerce-ventures) — Series A, Series B
- Vertical Venture Partners (https://capitalatlas.ai/funds/vertical-venture-partners) — Series A, Series B
- Healthy Ventures (https://capitalatlas.ai/funds/healthy-ventures) — Series A, Series B
- Atento Capital (https://capitalatlas.ai/funds/atento-capital) — Series A
- Ten Coves Capital (https://capitalatlas.ai/funds/ten-coves-capital) — Series B
- Fairview Capital (https://capitalatlas.ai/funds/fairview-capital) — Series B