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Rainfall Health Raises $15M Series A for CMS TEAM

Rainfall Health raised $15M Series A for AI-powered R.A.I.N. Compliant™ platform helping 741 hospitals capture CMS TEAM incentives and unlock up to $85M Medicare revenue over five years.

Emel Kavaloglu

Feb 19, 2026

Rainfall Health Raises $15M Series A for CMS TEAM

Rainfall Health, a U.S.-based provider of AI-powered compliance and reimbursement platforms, has raised $15M in Series A funding. The company's R.A.I.N. Compliant™ platform helps hospitals quantify, capture, and maximize CMS Transforming Episode Accountability Model (TEAM) incentives. The capital will fuel platform expansion, EHR integrations, and support for mandated hospitals unlocking up to $85M in new Medicare revenue over five years.

CMS TEAM Mandate Sparks Compliance Rush

The timing aligns with CMS' rollout of the TEAM model, mandating 741 hospitals to manage high-volume surgical episodes representing ~15% of Medicare revenue. Rainfall Health's first-to-market AI solution addresses the immediate compliance gap, positioning it ahead as hospitals scramble to adapt. Recent news coverage highlights the revenue opportunity for impacted providers, especially rural ones.

Hospitals face mounting pressure from CMS TEAM mandates, which require rigorous accountability for surgical episodes like cardiac and orthopedic procedures. These episodes account for substantial Medicare spending, but many providers lack tools to model reimbursements, conduct audits, and ensure ongoing compliance. Traditional consulting and manual processes fall short, risking millions in uncaptured incentives amid complex regulations targeting underserved communities.

AI Platform Pioneers TEAM Compliance

Rainfall Health's R.A.I.N. Compliant™ is an EHR-integrated AI framework delivering standards, assessments, audits, data modeling, implementation, and monitoring. It differentiates through continuous monitoring and an 'at-risk' partnership model, aligning success with customer outcomes unlike one-off consulting services. This approach establishes R.A.I.N. Compliant™ as a potential national standard for the five-year TEAM program.

The platform targets CEOs and CFOs at the 741 notified hospitals, focusing on rural and high-need areas. Early traction includes SOC 2 Type 1 compliance and an advisory committee featuring executives from VA, Kaiser Permanente, UPMC, and Mayo Clinic.

Series A Validates Regulatory Tech Bet

The $15M Series A underscores investor confidence in AI-driven regulatory compliance amid evolving CMS policies. It signals growth capital to scale operations and capture share in a mandated market, rather than pure social impact funding. This round ties directly to Rainfall's strategy of first-mover advantage in the nascent TEAM ecosystem.

Medicare Episode Market Poised for Shift

CMS TEAM focuses on ~15% of Medicare revenue through accountable surgical episodes, creating a multi-billion opportunity as hospitals transition to value-based care. The model mandates participation for 741 providers over five years, with Rainfall projecting up to $85M unlocks per customer via optimized incentives. Broader healthtech compliance funding has surged with regulatory changes, though specific TEAM rivals remain early-stage.

Industry trends point to AI adoption for reimbursement modeling, as manual methods yield 20-30% leakage in similar programs per general benchmarks. Rainfall's rural focus amplifies impact, inspired by founder experiences with medical deserts.

Forbes Founder Leads Advisory Powerhouse

Founder, a Forbes 30 Under 30 honoree, draws from family physicians serving rural areas to build Rainfall. The R.A.I.N. Advisory Committee boasts heavyweights from VA, Kaiser Permanente, UPMC, and Mayo Clinic, lending unmatched credibility to the platform's standards. This team positions Rainfall to define TEAM compliance nationally.

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