Ambience Healthcare
Vertical AI (legal, health, finance) · https://www.ambiencehealthcare.com
Verdict: Hold · Confidence: medium · Reviewed 2026-10-15
Ambience Healthcare sells ambient documentation, coding, and CDI software and raised a $243 million Series C on July 29, 2025, co-led by Oak HC/FT and Andreessen Horowitz. Named live customers include Cleveland Clinic, UCSF Health, Houston Methodist, and Memorial Hermann. The company release does not state revenue or a valuation.
Rubric
| Dimension | Score (1–5) | Notes & sources |
|---|---|---|
| Real customers & revenue quality Are there named paying customers, recurring revenue, and retention evidence? | 3/5 | The Series C release names Cleveland Clinic, UCSF Health, Houston Methodist, and Memorial Hermann, and says the platform supports more than 100 specialties across outpatient, emergency, and inpatient settings. No revenue or customer-count total was stated on that page.
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| Unit economics Do gross margins survive inference/compute costs? Is pricing durable? | Unknown | Unknown — no public figure found. |
| Moat Proprietary data, distribution, switching costs, or tech that is hard to copy? | 3/5 | Ambience integrates with Epic, Oracle Cerner, and athenahealth and cites a KLAS customer satisfaction score of 97.7 plus a third-party ROI validation tied to coding accuracy. The category is crowded with other ambient scribes.
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| Platform risk Could a model provider or incumbent ship this as a feature? (higher score = lower risk) | 3/5 | The product is embedded in EHRs it does not own. Epic, Oracle Cerner, or a larger scribe vendor can compress the wedge. OpenAI's startup fund is an investor, which does not remove dependence on foundation models and EHR platforms.
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| Team & execution Shipping cadence, leadership track record, stability. | 4/5 | Founded in 2020 by Mike Ng and Nikhil Buduma, the company expanded from ambient scribing to coding and CDI and closed $243 million with Oak HC/FT, a16z, the OpenAI Startup Fund, Kleiner Perkins, and Optum Ventures.
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| Funding vs. traction Is capital raised justified by verifiable traction? | 3/5 | $243 million is a large round for a company that has not disclosed revenue. Named health-system deployments show a real product, but the round cannot be matched to a public ARR figure from the sources opened.
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| Hype signals Demo-driven marketing, vague metrics, valuation outrunning evidence? (higher score = fewer red flags) | 3/5 | The release is specific about customers and a KLAS score. It also uses 'leading' language without a revenue disclosure, so the funding is ahead of the public financial evidence.
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Listing source: https://www.ambiencehealthcare.com. Revenue, users, and valuation figures appear only when publicly sourced; otherwise they are marked unknown.