Inbox Health Lands $20M to Modernize Patient Billing with AI | StartUp Health Insights: Week of Sep 16, 2025
StartUp Health community member Inbox Health raised $20M in equity and debt to accelerate the use of AI in patient billing. With demand rising for tools that simplify and humanize the financial side of care, the company is scaling intelligent automation to reduce unpaid bills, boost patient confidence, and deliver a more transparent, partnership-driven billing experience.
Blake Walker, CEO & Co-founder of Inbox Health
Inbox Health, a patient billing and communications platform in the StartUp Health community, raised $20M in growth equity and debt financing, bringing the company's total funding to $55M. The $10M in equity funding was led by Ten Coves Capital, with participation from CT Innovations, Commerce Ventures, Fairview Capital, I2BF, Healthy Ventures. and Vertical Venture Partners. The New Haven, CT-based company also secured $10M of debt from SVB. <source>
Other reported global health innovation funding this week included:
Strive Health, a Denver, CO-based company that specializes in value-based kidney care, raised $300M led by New Enterprise Associates (NEA), with participation from CVS Health Ventures, CapitalG, Echo Health Ventures, Town Hall Ventures, Redpoint, and others. The company also secured $250M in debt financing led by Hercules Capital, for a combined $550M capital raise. <source>
Harbor Health, an Austin, TX-based primary and specialty care clinic group and health insurance company, raised $130M co-led by General Catalyst, 8VC, and Alta Partners, with participation from DFO Management, Health 2047 Capital Partners, Lemhi Ventures, Martin Ventures, Breyer Capital, and individual investors. <source>
Diana Health, a New York, NY-based startup that works with hospitals to develop women’s health programs focused on collaboration and holistic care, raised $55M led by HealthQuest Capital, with participation from .406 Ventures, Norwest Venture Partners, AlleyCorp, and LRVHealth. <source>
Penguin Ai, a Palo Alto, CA-based healthcare AI company that solves administrative burdens, raised $29.7M led by Greycroft, with participation from UPMC Enterprises, SemperVirens, Snowflake Ventures, Watershed Ventures, Horizon Mutual Holdings, ManchesterStory, Overwater Ventures, California Health Care Foundation, Matt Kozlov, Canvas Prime, Plug and Play, and individual angel investors. <source>
Optain Health, a Akron, OH-based health tech startup applying AI, robotic retinal imaging, and teleophthalmology to detect eye and systemic disease earlier, raised $26M led by Insight Partners, with participation from Informed Ventures, Lumio Capital, Meridian Ventures, UniQuest Extension Fund, Memorial Hermann Health System, Northwell Health, Novant Health, The Ohio State University Wexner Medical Center, and UPMC. <source>
Unmind, a London, UK-based provider of a workplace mental health platform, raised $26M led by Trinity Capital. <source>
Ridge Biotechnologies, a Palo Alto, CA-based company using machine learning models to provide an enzyme and targeted drug design to improve precision medicines, raised $25M led by Sutter Hill Ventures (SHV), with participation from Overlap Holdings and others. <source>
TERN Group, a London, UK-based platform that focuses on global recruitment of healthcare professionals for international markets, raised $24M led by Notion Capital, with participation from RTP Global, LocalGlobe, EQ2 Ventures, Leo Capital, Presight, and individual investors. <source>
Birches Health, a New York, NY-based mental health company focused on treating gambling addiction, raised $20M led by AlleyCorp and General Catalyst, with participation from Will Ventures, defy.vc, Haystack, Operator Partners, and others. <source>
Doctronic, a New York, NY-based provider of agentic AI-powered health guidance, raised $20M led by Lightspeed Venture Partners. <source>
Teton.ai, a Copenhagen, Denmark-based predictive care company that offers an AI companion to help nurses monitor patients and improve workflows, raised $20M led by Plural, with participation from Bertelsmann Investments, Antler Elevate, Nebular, and PSV Tech. <source>
Goodpath, a Cambridge, MA-based virtual provider of AI-driven whole-person care for chronic conditions, raised $18M led by MassMutual Ventures, with participation from Healthy Ventures. <source>
LightSpun, a Boston, MA-based AI-powered dental insurance administration platform, raised $13M led by Brewer Lane, with participation from Virtue, Cambrian, and Industry Ventures. <source>
Sophont, a Sacramento, CA-based medical startup that builds large-scale AI systems trained on clinical data, raised $9.22M led by Kindred Ventures, with participation from Upfront Ventures, Delphi Ventures, and other individual investors. <source>
Lōvu Health, a Cupertino, CA-based provider of a digital maternal health platform ensuring care for mother and baby from conception through postpartum, raised $8M led by SJF Ventures, with participation from Rogue Women’s Fund, Symphonic Capital, Emmeline Ventures, Majella Ventures, Oakwood Circle Ventures, Sand Hill Angels, Swizzle Ventures, Terrasys, Stand Together Ventures, and Alumni Ventures. <source>
Mamedica, a London, UK-based provider of telemedicine specialist treatment and cannabis-based prescription medicine for a range of chronic and neurological conditions, raised £4.5M led by Casa Verde, with participation from individual investors. <source>
Meela, a New York, NY-based company offering a personalized AI companion service for seniors, raised $3.5M led by Bain Capital Ventures. <source>
Pathwork, a San Francisco-based startup focused on transforming the life and health insurance industry, raised $3.5M led by Costanoa, with participation from Logos Fund, American Family Ventures, Meridian Ventures, and individual investors. <source>
OpenHealth Technologies, a Berlin, Germany-based B2B healthtech company building a central infrastructure for lab data, raised $3M led by GoHub Ventures, xdeck ventures, Edenbase, and Exceptional Ventures, with participation from YZR Capital, Octopus Ventures, and Calm/Storm Ventures. <source>
MedSetGo, a San Francisco, CA-based AI-driven healthcare company optimizing patient care transitions, raised $2.4M led by TurboStart, with participation from Gold House Ventures. <source>
Data is from StartUp Health Insights, the most comprehensive funding database for health innovation. Sign up for StartUp Health Insider™ to get funding insights, news, and special updates delivered to your inbox.
Join StartUp Health
An exclusive global community for the bold decision makers, thought leaders, funders, and innovators transforming the future of health
Network Plans for Everyone in the Ecosystem: If you're a decision maker, thought leader, funder, or industry stakeholder – this is where the global health ecosystem comes together to learn from experts, share insights, build relationships, explore partnerships, and shape what’s next in health. Join today, no application necessary.
Health Moonshot Plans for Startups & Scaleups: If you're a founder or CEO building a digital health, biotech, or life sciences company, our Health Moonshot Communities are designed for collaboration, coaching, and strategic growth at every stage. Our communities include: Alzheimer’s & Brain Health, Cardiometabolic & T1D, Food as Medicine, Mental & Behavorial Health, and more. If you’re mission-driven, collaborative, and ready to contribute as much as you gain, you might be the perfect fit. Learn more and apply today.
Follow us on LinkedIn for daily updates on Health Moonshots.
Published: Sep 16, 2025
By Nicole Kinsey
