Fundraising Fox

Ember

YC F24

San Francisco, US · Founded 2022 · 25 employees · Hiring · 3 known investors

Ember AI provides an AI-powered platform that automates healthcare billing and prior authorization processes to prevent coverage denials. The platform continuously tracks payment policies and payor behavior to help healthcare providers streamline their revenue cycle operations.

Also known as Ember Copilot · Ember AI

AI & Machine LearningEnterprise SoftwareHealthtechSaaSUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (F24)

Ember was founded in 2022 by Charlene Wang and Warren Wang.

CWCharlene Wang
Charlene Wangin𝕏CEO, Co-FounderShe previously worked as a product manager on healthcare AI at Google, where she contributed to remote patient monitoring solutions and worked on sleep-sensing technology for smart displays. She studied Applied Mathematics, Computer Science, and Economics at Brown University.
WWWarren Wang
Warren WanginCTO, Co-FounderHe previously conducted explainable AI research at MIT CSAIL and worked on medical AI applications with NVIDIA at hospitals in Taiwan. He holds a BS in Electrical Engineering and Computer Science and Physics, and an MEng in Electrical Engineering and Computer Science from MIT.

Investors · 3

Funding

SEC filings, press & company announcements

$4.3M disclosed across 1 of 2 rounds · 2025

Source: company announcements and press reports — follow each round's link for the claim.

Company profile

researched Aug 2026

Ember (Ember AI) offers an AI revenue integrity and compliance platform aimed at specialty physician practices and health systems. The product layers on top of a provider's existing EHR and practice management systems to audit clinical documentation and coding before claims are submitted, and to work denials after they occur. The company positions the platform as specialty-agnostic, with workflows tailored to behavioral health, cardiology, dermatology, gastroenterology, ophthalmology, orthopedics, ENT and allergy, radiology, urology, and other procedure-heavy specialties with complex coding and payer scrutiny.

The platform is organized around three components: a Data Engine that unifies clinical documentation, coding decisions, payer policy, and contract terms across encounters and providers; a Coding Engine that reviews 100% of encounters against national standards, payer-specific policies, internal guidelines, and contracts, attaching a rule citation to every flag; and an Appeal Engine that reads CARC and RARC remittance codes, identifies applicable LCD/NCD policy and contract terms, drafts appeal letters, assembles documentation, and tracks claims through adjudication. Functional modules span documentation intelligence, coding compliance, denial intelligence, appeals automation, contract intelligence for payer rate benchmarking, and revenue recovery for payment variances, short pay, and downcoding.

Two workflows account for most customer usage: pre-bill audit, which ingests clinical notes, codes, and charge files, validates CPT, ICD-10, HCPCS, modifiers, documentation completeness, payer policy, and contracts, returns cited corrections, and surfaces recurring patterns as provider-level feedback; and automated appeals, which identifies denial root causes, retrieves records, and pushes appeals through to resolution.

Business model

Ember sells software to healthcare providers, deployed as a layer over existing EHR and practice management systems rather than replacing them; the company describes customer results in terms of ROI, recovered revenue, and staff hours saved.

Traction

The website cites measured outcomes from live deployments, including 57% fewer denials, 3.3x ROI in the first month, 100+ FTE hours saved per month, and a 9.3% increase in net revenue per appointment, along with pre-bill audit results of a 23-point improvement in clean-claim rate and 5% higher net collected revenue, and 3.1x faster appeal turnaround. Unnamed executives at specialty groups and health systems are quoted as production customers.

Full profile — market position, technology, go-to-market

Market position

Positions itself in the AI revenue cycle management and revenue integrity segment serving specialty practices and health systems, framing the problem as payers using automation to deny claims faster than manual A/R teams can respond.

Ember contrasts itself with AI revenue cycle management tools that sample a fraction of charts and return an opaque risk score, stating that it reviews every encounter, cites the specific rule behind each flag (for example a missing modifier 25 on an E/M with a same-day procedure, citing a CMS NCCI PTP edit and an LCD), and carries work through to a paid appeal.

Technology

The platform combines a data layer bridging clinical and financial records with automated coding review and appeal generation. Coding checks reference CMS rules, NCCI procedure-to-procedure edits, LCD/NCD coverage policies, payer-specific policies, and contract terms, and each flag carries the underlying rule citation. The appeal engine parses CARC and RARC codes to determine root cause and drafts cited appeal packets. Integrations are listed with EHR and practice management systems including athenahealth, ModMed, eClinicalWorks, Nextech, Veradigm, NextGen, Epic, Oracle Cerner, HST Pathways, Surgical Information Systems, AdvancedMD, DrChrono, and Altera, plus clearinghouses and billing platforms Availity and Waystar, and Medicare and Medicaid payers. The company lists SOC 2 Type II, HITRUST e1, and HIPAA compliance.

Go-to-market

Direct sales via demo requests and a diagnostic offer in which prospects submit 30 days of denial data or a few hundred cases and receive initial analysis within three days; full integration is described as taking weeks, with implementation sitting on top of incumbent systems.

Specialty physician practices and health systems, particularly those with high procedure volume, complex coding, and significant payer scrutiny; buyers referenced include chief medical officers, VPs of revenue cycle, directors of billing, and CFOs.

Compiled by commissioned research from 1 cited public sources — announcements, filings, and press listed under research sources below.

Key figures

latest reported
Appeal turnaround speed improvementJan 20253.1x faster
Encounters reviewedJan 2025100%
FTE hours saved per month (customer outcome)Jan 2025100 hours per month
HeadcountAug 202615
Increase in clean-claim rate (pre-bill audit)Jan 202523%
Increase in net collected revenue (pre-bill audit)Jan 20255%
Increase in net revenue per appointment (customer outcome)Jan 20259.3%
Reduction in denial rate (customer outcome)Jan 202557%
ROI in first month (customer outcome)Jan 20253.3x
Time to initial analysis after case submissionJan 20253 days

Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.

Images

Ember photo

Competitors · 2

by search overlap

Companies competing with Ember for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Research sources · 1

primary sources listed
  • Emberembercopilot.ai · web

1 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Ember do?
Ember is an AI revenue integrity platform that audits clinical charts and automates denial appeals for specialty medical practices.
Who founded Ember?
Ember was founded by Charlene Wang, Warren Wang in 2022.
Who are Ember's investors?
Ember's investors include Y Combinator, Nexus Venture Partners, Transpose Platform Management.
How much funding has Ember raised?
Ember has disclosed $4.3M raised across 1 of its 2 known rounds.
Where is Ember headquartered?
Ember is headquartered in San Francisco, US.