# Layer Health

> Layer Health is a Boston-based healthcare AI company, spun out of MIT, that uses large language models to automate medical chart review. Its platform reasons over longitudinal patient records to answer complex clinical questions with evidence-based justifications, powering clinical registry automation, quality measurement, clinical pathways and real-world data abstraction for hospitals and health systems. Founded in 2023 and backed by a $21M Series A led by Define Ventures, the company counts health systems such as Intermountain Health, MultiCare and Froedtert among its partners.

- **Founded:** 2023
- **Headquarters:** Boston, United States
- **Founders:** David Sontag (CEO & Co-Founder (MIT professor)), Monica Agrawal (Co-Founder), Luke Murray (Co-Founder), Divya Gopinath (Co-Founder)
- **Team size:** ~45 employees
- **Products:** Clinical Registry Automation, Clinical Pathways, Site of Care Optimization, Distill
- **Notable:** Raised $21M Series A in March 2025 led by Define Ventures, Secured strategic investment and multi-year deployment with Intermountain Health across 33 hospitals (June 2025), Named to CB Insights' 50 Most Promising Digital Health Startups (2025)

## Products & services

- **Clinical Registry Automation** — AI-supported abstraction for cardiovascular, surgical and oncology registries, with 50%+ validated time savings in 10 weeks or less, plus custom quality-metric abstraction.
- **Clinical Pathways** — Converts patient data into guideline-aligned care decisions and identifies eligible patients for high-value procedures across the full clinical record.
- **Site of Care Optimization** — Redirects low-acuity cases to appropriate settings to free hospital capacity for complex procedures.
- **Distill** — LLM-powered chart-review platform that reasons over structured and unstructured EHR data to answer complex clinical questions with evidence-based justifications, supporting quality measurement, real-world evidence and revenue cycle use cases.

## Achievements

- Raised $21M Series A in March 2025 led by Define Ventures
- Secured strategic investment and multi-year deployment with Intermountain Health across 33 hospitals (June 2025)
- Named to CB Insights' 50 Most Promising Digital Health Startups (2025)
- Named to the 2026 New York Digital Health 100
- Helped Froedtert reduce quality data abstraction time by 65%
- Completed a cancer center's real-world data extraction in hours that previously took over a year
- HIPAA-compliant and SOC 2 Type 2 certified

## Latest updates

- **2025-06** — Intermountain Health made a strategic investment via Intermountain Ventures and signed a multi-year deal to deploy Layer Health AI across clinical registries spanning 33 hospitals.
- **2025-03** — Closed $21M Series A led by Define Ventures with Flare Capital, GV and MultiCare Capital Partners to scale AI-powered chart review.
- **2026** — Named to the 2026 New York Digital Health 100.

## Links

- Website: https://layerhealth.com
- LinkedIn: https://www.linkedin.com/company/layerhealth
- Twitter/X: https://twitter.com/layerhealth

---

Profile page: https://yespress.io/layer-health
Published by YesPress — https://yespress.io
Last updated: 2026-06-14