Fathom

San Francisco, California, United States  All United States companies → Founded 2016
Revenue Cycle / Billing
Family Medicine Internal Medicine Radiology
Medical Billing & RCM
Series B (with additional strategic investment) — $61 million

Products

Fathom Medical Coding Automation
Fathom
Medical Billing & RCM
Fathom is an autonomous medical coding platform that uses AI to automatically code charts directly to billing, aiming to reduce costs, increase accuracy, and mitigate audit risk for healthcare organizations. It supports a wide range of healthcare providers and payers with high automation rates and accuracy.

See all 1 product →

About Fathom

Fathom is a leading healthcare AI company specializing in autonomous medical coding, designed to streamline and enhance the revenue cycle for healthcare providers. Leveraging advanced deep learning and natural language processing (NLP), Fathom’s platform automates the complex process of medical coding, aiming to deliver unparalleled accuracy and efficiency. For physicians, this translates into a significant reduction in administrative burden, freeing up valuable time that can be reallocated to direct patient care rather than meticulous coding tasks. The system seamlessly integrates into existing clinical workflows, eliminating the need for additional software or extensive training.

The AI-powered solution ensures precise evaluation and management (E/M) leveling, accurate provider assignment, and comprehensive capture of all relevant ICD and procedure codes across a multitude of specialties. This meticulous approach helps to minimize claim denials, mitigate audit risks, and optimize reimbursement, ultimately contributing to the financial sustainability of medical practices. Fathom supports a diverse range of healthcare entities, including large health systems, physician groups, outpatient ambulatory clinics, health plans, and value-based care providers, offering robust solutions for both facility and professional coding needs across various service lines.

By automating up to 90%+ of encounters with high accuracy, Fathom addresses critical challenges in healthcare administration, such as staffing shortages and rising operational costs. The platform’s ability to process millions of charts daily drastically cuts coding turnaround times from days to hours, ensuring faster billing and improved cash flow. This focus on cost reduction, speed, and accuracy positions Fathom as a key partner for healthcare organizations seeking to leverage AI for measurable financial and operational impact in revenue cycle management.

What Physicians Need to Know

Specialization
Fathom specializes in autonomous medical coding, leveraging deep learning and Large Language Models (LLMs) to automate the entire coding process. They cover a broad range of specialties including Emergency Department (ED), radiology, primary care, surgery, hospitalist, E/M, CPT/HCPCS, ICD, provider assignment, deficiencies, and risk adjustment for value-based care programs.
Automation Rates
The platform consistently achieves high automation rates, often exceeding 90% across various medical specialties. Specific examples include 99% in radiology, 95% in primary care and urgent care, and 92% in emergency medicine. This means a significant majority of encounters are coded completely and accurately by AI without human intervention.
Accuracy
Fathom boasts 'superhuman' or 'better-than-human' accuracy rates, with audited accuracy often reaching 98-99%. This precision helps reduce claim denials, mitigate audit risk, and improve overall revenue capture.
Efficiency & Cost Savings
The solution significantly reduces coding turnaround times from days to mere hours and can cut total coding operation costs by 30-50%. This operational efficiency allows healthcare organizations to redeploy resources towards patient care.
Key Differentiators
Fathom's core differentiator is its fully autonomous coding platform that directly submits to billing, unlike solutions that only suggest codes or offer partial automation. It utilizes deep learning and LLMs specifically developed for medical billing and coding, rather than fine-tuning general-purpose AI. They offer the broadest specialty coverage and commit to aggressive Service Level Agreements (SLAs) for automation and accuracy. Their multi-specialty approach enables system-wide deployment with high automation rates across departments.
Technology Stack
Fathom's technology is built on advanced deep learning and Large Language Models (LLMs) specifically engineered for the complexities of medical coding. It supports standardized HL7 feeds for data transmission and integrates directly with major Electronic Health Record (EHR) systems.
Physician Tip

For physicians, Fathom's autonomous medical coding stands out by significantly **relieving the burden of coding responsibilities**, freeing up valuable time to focus on patient care and other impactful clinical tasks. The platform ensures **accurate and complete coding**, which translates to improved reimbursement, increased Relative Value Units (RVUs), and a substantial reduction in claim denials. This also leads to a **faster revenue cycle** for practices. Crucially, Fathom integrates seamlessly into existing workflows, requiring **no additional software or training for clinicians**, making adoption straightforward and non-disruptive to clinical practice.

Fathom offers robust integrations with leading Electronic Health Record (EHR) systems, which is critical for seamless operation within healthcare environments. These include direct integrations with **Epic** (via their Toolbox program, Caboodle, and Clarity data transmission tools), **athenahealth** (Data View), **Medhost**, **MEDITECH Expanse**, and **Oracle Health EHR (Cerner)**. The platform also supports standardized HL7 feeds, ensuring broad compatibility and efficient data exchange.

Products by Fathom

1 product in the directory

Fathom Medical Coding Automation
Fathom
Medical Billing & RCM
Fathom is an autonomous medical coding platform that uses AI to automatically code charts directly to billing, aiming to reduce costs, increase accuracy, and mitigate audit risk for healthcare organizations. It supports a wide range of healthcare providers and payers with high automation rates and accuracy.

What the Web Says

Fathom (fathomhealth.com) is an AI-powered medical coding platform that automates the conversion of clinical documentation into accurate billing codes, aiming to reduce administrative workload, improve coding efficiency, and minimize errors in healthcare. The company has received high praise for its product's accuracy, ease of use, and positive impact on productivity, particularly in meeting summarization and financial reporting. While product reviews are overwhelmingly positive, employer reviews are less numerous but generally positive, highlighting a fast-paced environment with growth opportunities and a supportive team culture.

Overall: Positive

Strengths

  • High accuracy in AI-generated notes, summaries, and transcriptions, even with background noise.
  • Intuitive and easy-to-use interface, with seamless integration with various meeting platforms like Zoom, Google, and Teams.
  • Significant time-saving through automated meeting summaries, action items, and reduced manual note-taking.
  • Exceptional customer support, noted for quick responses and helpful assistance.
  • Robust free plan for its meeting notetaker, offering substantial functionality for daily use.
  • Effective in financial reporting, forecasting, and analysis, with easy integration with accounting software like QuickBooks.

Limitations

  • Occasional bugs in sharing recordings and granting access.
  • Difficulty in collecting Zoom chat data, which can hinder complete record-keeping in CRMs.
  • Some users find customization difficult and feel restricted by rigid reporting tools.
  • The desktop banner that appears at the start of every meeting can be intrusive.
  • Pricing for advanced features can be high for regular users, and the desktop app may experience occasional lag.
  • Concerns about AI replacing human medical coders, leading to job displacement.

Based on reviews from: Capterra, G2, Elion, Reddit, KLAS Research, Gartner Peer Insights, Indeed.com, Comparably, Himalayas

Last updated: 2026-08-06

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Frequently Asked Questions

Fathom offers an autonomous medical coding platform that leverages deep learning and natural language processing to automate medical coding across various specialties, including emergency department, radiology, and primary care. This solution aims to eliminate inefficiencies, reduce costs, enhance compliance, and accelerate revenue cycles by processing patient charts with high accuracy and minimal human intervention.
Fathom is fully HIPAA compliant, SOC 2 Type 2 compliant, and has achieved HITRUST i1 Certification, which is considered a gold standard for security and privacy in healthcare. They embed security into their operations, utilizing advanced encryption, infrastructure security, and offering Business Associate Agreements (BAAs) to safeguard sensitive patient information.
Fathom employs a per-encounter pricing model with volume tiers, which varies based on the medical specialty and the volume of encounters. The company only charges for successfully coded encounters and aims to deliver significant cost savings, typically ranging from 30-50% on total coding operations.
Fathom provides 16/7 customer support through dedicated Client Success Managers, including same-day responses to inquiries, monthly and quarterly performance reviews, and regular auditing and reporting. A 24/7 engineering team monitors the platform, and their Coding Quality team proactively updates the AI model to reflect changes in coding guidelines.
Yes, Fathom integrates with major EHR systems, including Epic (through its Toolbox program) and athenahealth, supporting various data transmission tools. Fathom also has strategic investors like CVS Health Ventures, Cedars-Sinai, and other prominent venture capital firms, reflecting strong industry backing.
Fathom is a well-backed company, having secured a $46 million Series B funding round in November 2022. They recently received a strategic investment from CVS Health Ventures, alongside other world-class investors such as 8VC, Alkeon Capital, Founders Fund, GV, Lightspeed Venture Partners, and Tarsadia, indicating strong financial stability and growth potential.
Fathom's platform demonstrates high accuracy and efficiency, achieving a 95.5/100 overall performance score in a KLAS Research report and validating over 90% automation rates with 99.0% audited accuracy. This leads to reduced claim denials, improved revenue capture, and faster coding turnaround times, often from days to minutes.

Investors

Who's funded Fathom.

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