10 Best Free Medical Billing Software in 2026

Carepatron is a practice management platform that combines medical billing, invoicing, insurance claims (CMS-1500), payment posting, scheduling, EHR documentation, and telehealth in a single free-to-start system built for small healthcare practices.

Who Is Carepatron Best For?

Solo practitioners and small practice teams who want to manage scheduling, notes, and billing from one platform without paying for separate tools.

Why I Picked Carepatron

I picked Carepatron as one of the best because small practices rarely have the budget or bandwidth to run billing, scheduling, and clinical documentation in separate tools. I love that CMS-1500 forms auto-populate directly from appointment and client records, cutting manual entry before a claim is ever submitted. Superbills also pull CPT and ICD-10 codes automatically, keeping coding consistent across visits without a dedicated billing team.

Carepatron Key Features

• Integrated telehealth: Launch secure video calls with patients directly from appointment records.
• Payment processing via Stripe: Accept credit card and ACH payments with patient cards saved on file.
• Client portal: Patients can access bills, upload documents, and communicate securely with your practice.
• AI-powered medical scribe: Automatically generate visit notes and documentation using built-in AI tools.

Carepatron Integrations

Carepatron offers native integrations with Stripe, Zoom, Google Calendar, and Google Analytics. An API for custom integrations is listed as coming soon.

What's Free?

Carepatron's free plan is free forever and includes unlimited clients, telehealth, a client portal, automated online payments, and an AI medical scribe. Insurance claim submission (CMS-1500) and superbills are not included on the free plan and require a paid Plus subscription.

PracticeSuite is a cloud-based medical billing platform that covers claims management, patient billing, payment posting, denial tracking, insurance eligibility verification, and AR reporting across 160+ billing specialties.

Who Is PracticeSuite Best For?

PracticeSuite is a solid fit for independent medical billing companies managing multiple provider accounts across a range of specialties.

Why I Picked PracticeSuite

PracticeSuite earns its spot on my shortlist because it doesn't cap the number of electronic claims your team can submit, which matters when you're running high-volume billing cycles. I particularly like its pre-submission denial intelligence, which flags problem claims before they reach a payer. The mass claim correction tool also lets my team fix and resubmit entire batches without touching each claim individually.

PracticeSuite Key Features

• Real-time eligibility verification: Check patient insurance coverage instantly before submitting claims.
• Integrated patient portal: Give patients direct access to view and download their billing statements online.
• Extensive coding libraries: Access ICD-10, CPT, and HCPCS code sets within the billing workflow.
• Multiple specialty support: Manage billing tasks for over 160 medical specialties in one unified system.

PracticeSuite Integrations

PracticeSuite offers native integrations with Elation and Practice Fusion EHR systems. An API is available for custom integrations.

What's Free?

PracticeSuite doesn't offer a free plan or free trial. You can request a free demo to see the platform before committing to a paid plan.

MediFusion is a free, cloud-based EHR and medical billing platform that covers electronic claim submission, insurance eligibility verification, payment posting, practice management, and patient billing for healthcare practices.

Who Is MediFusion Best For?

MediFusion is a good fit for US-based independent practices and small clinics that need a no-cost, all-in-one billing and EHR solution.

Why I Picked MediFusion

I picked MediFusion as one of the best because its FusionEDI clearinghouse handles e-claim submissions with a level of insurance optimization I rarely see in free tools. It automatically verifies secondary and tertiary insurance coverage and calculates the optimal billing order per each payer's rules before a claim goes out. That pre-submission logic directly cuts down on denials without requiring manual intervention from billing staff.

MediFusion Key Features

• PatientSense patient engagement tool: Lets you send appointment reminders, answer inquiries, and automate check-in communications.
• DocuHub document management: Securely stores, shares, and maintains patient EHR files for staff accessibility.
• Provider credentialing module: Verifies qualifications and licensure of healthcare providers within the system.
• Integrated patient portal: Allows patients to request appointments, send messages, and handle payments online.

MediFusion Integrations

Native integrations are not clearly documented. MediFusion includes internal modules for clearinghouse submissions, patient engagement, and document management. An API for custom integrations is not publicly mentioned.

What's Free?

MediFusion includes a free EHR and practice management system for practices using its revenue cycle management services.

LibreHealth EHR is a free, open-source electronic health record and practice management system that covers clinical documentation, appointment scheduling, patient records, billing, insurance information, payment posting, statements, and reporting.

Who Is LibreHealth EHR Best For?

LibreHealth EHR is suitable for clinics, educational healthcare programs, developers, and technically experienced teams that need a customizable ambulatory EHR with billing and practice management functions.

Why I Picked LibreHealth EHR

I picked LibreHealth EHR for its configurable fee and billing workflows. The platform includes fee posting, patient statements, insurance information, billing reports, payment records, and paper insurance claim tracking.

Its open-source code allows organizations to adjust forms, workflows, reports, and database functions. However, teams should complete a detailed security and technical review before using it with real patient information.

LibreHealth EHR Key Features

• Fee posting: Records charges and payments associated with patient encounters.
• Patient statements: Produces statements for selected patients through the fees and posting area.
• Insurance claim records: Tracks claims and records when a claim is added to a file or printed on a paper insurance form.
• Billing reports: Displays billing activity using patient, provider, insurance, code, and service-date information.
• Customizable EHR: Supports clinical records, encounters, facilities, users, provider calendars, and configurable healthcare workflows.

LibreHealth EHR Integrations

LibreHealth does not publish a detailed list of ready-made third-party connections for its EHR. The wider LibreHealth project provides a separate Toolkit with a REST API and reusable web components, but the EHR’s direct connector coverage is not clearly documented.

What’s Free?

LibreHealth EHR’s source code can be downloaded and self-hosted without subscription or licensing fees. The free software includes its clinical, scheduling, practice management, fee posting, billing, statement, and reporting functions.

GNU Health is a free, open-source hospital information system that combines patient records, health center administration, invoicing, financial accounting, laboratory management, pharmacy operations, and inventory tracking.

Who Is GNU Health Best For?

GNU Health is a good fit for hospitals, health centers, public health institutions, and nonprofit healthcare programs that need to connect clinical services with patient invoicing and accounting.

Why I Picked GNU Health

I picked GNU Health for its dedicated health accounting module. Unlike billing tools that focus mainly on insurance claims, GNU Health connects patient services with invoices, payment records, journals, a chart of accounts, and a general ledger.

Healthcare facilities can generate charges for hospitalizations, examinations, treatments, medications, supplies, laboratory tests, and imaging services. This makes it suitable for organizations that need to manage clinical billing and financial accounting within the same self-hosted environment.

GNU Health Key Features

• Patient service invoicing: Creates invoices for consultations, hospital stays, treatments, medications, supplies, laboratory tests, and other healthcare services.
• Financial accounting: Includes a chart of accounts, general ledger, journals, invoice management, and bookkeeping functions.
• Laboratory billing: Converts laboratory requests and completed tests into billable services and invoices.
• Pharmacy and inventory management: Tracks medications, vaccines, medical supplies, purchasing, and stock movements across healthcare facilities.
• Insurance plan records: Stores insurance plans as products that can be associated with patient and billing workflows.

GNU Health Integrations

GNU Health supports connections with Orthanc for medical imaging, CalDAV and WebDAV for calendars, and GNU Health Federation for distributed healthcare networks. Its modules are built on the Tryton application platform.

What’s Free?

GNU Health’s source code and core hospital information system are available without subscription or licensing fees. The free edition includes patient management, appointments, healthcare services, invoicing, accounting, pharmacy, laboratory, and inventory modules.

CharmHealth is a cloud-based EHR and medical billing platform that combines claims management, revenue cycle management, patient billing, coding support, and practice management tools in a single system.

Who Is CharmHealth Best For?

CharmHealth is a strong fit for independent physicians and small clinics that need a free, scalable billing solution without committing to per-provider subscription costs upfront.

Why I Picked CharmHealth

I picked CharmHealth as one of the best because its CharmBillerPro interface consolidates claims, payments, and performance reports across every practice location into a single dashboard, with no system hopping. I particularly like the custom rule engine, which flags claim errors before submission across all connected locations at once. ERA auto-posting means my team isn't manually reconciling payments site by site across multiple sites.

CharmHealth Key Features

• Integrated patient portal: Patients can access health records, view statements, and communicate securely.
• Automated encounter-based billing: Generate claims directly from clinical encounters with full support for ICD-10, CPT, and HCPCS codes.
• Revenue analytics dashboard: Monitor payment trends, outstanding AR, and claim status from a unified reporting center.
• Insurance eligibility verification: Check patient coverage and benefits before submitting claims to minimize denials.

CharmHealth Integrations

CharmHealth offers 10 native integrations, including Zoom Workplace, Fullscript, Twilio, QuickBooks Online Advanced, Zoho CRM, Sfax, Wellevate, DeepScribe, Change Healthcare, and Insight Health. An API is available for custom integrations.

What's Free?

CharmHealth's free plan is free forever, supporting 1 provider, up to 5 users, and 1,000 patient records, with 50 claims and 50 encounters per month. Paid add-ons are available to extend functionality while staying on the free tier.

OpenEMR is a free, open-source electronic health records and medical practice management system that includes integrated medical billing, insurance claim submission, patient scheduling, e-prescribing, and ICD-10/CPT/HCPCS coding support.

Who Is OpenEMR Best For?

OpenEMR is a strong fit for small clinics and independent practices with in-house IT support that need a fully free, customizable billing and practice management system.

Why I Picked OpenEMR

I've included OpenEMR in my top picks because its open-source architecture lets you modify the billing module at the code level to fit your practice's exact claim submission workflow. I like that practices can build entirely custom clinical forms and configure coding rules without any vendor approval or licensing cost. The modular design also supports multilingual configurations across 30+ languages, which makes it adaptable for clinics serving diverse patient populations.

OpenEMR Key Features

• Integrated e-prescribing: Send digital prescriptions directly to pharmacies from within the platform.
• HIPAA ASC X12 5010 claim support: Submit electronic insurance claims compliant with current regulatory standards.
• Lab integration: Manage lab orders and receive results automatically in patient charts.
• ERA/payment posting: Record and reconcile insurance payments using electronic remittance advice files.

OpenEMR Integrations

OpenEMR offers native integrations with ClaimRev, WENO Exchange, Comlink, Sphere Payment, and EMR Direct phiMail. An API is available for custom integrations.

What's Free?

OpenEMR is fully free and open-source with no licensing fees, no user limits, and no feature restrictions. You can self-host it at no cost, though third-party services like clearinghouse connections and professional support may carry separate fees.

Practice Mate by Office Ally is a free practice management and medical billing platform that handles appointment scheduling, claim submission via clearinghouse, patient billing, eligibility verification, and accounts receivable tracking.

Who Is Office Ally Practice Mate Best For?

Practice Mate is a strong fit for solo physicians and small clinic administrators who need a no-cost billing and scheduling solution without technical setup overhead.

Why I Picked Office Ally Practice Mate

Practice Mate earns its spot on my shortlist because the scheduling and billing workflows are genuinely connected, not just adjacent. When I book an appointment, I can run eligibility and benefits verification within that same scheduling flow, before the patient ever arrives. Reminder Mate then handles automated outreach across 16 languages, which keeps the appointment pipeline moving without manual follow-up from the front desk.

Office Ally Practice Mate Key Features

• Claim attachments: Upload supporting documents directly to electronic claims for payers that require additional records.
• Patient ledger: Track all patient charges, payments, and adjustments in an organized account history.
• Electronic remittance advice (ERA): Automatically receive payment details and reconciliation from insurance payers for posted claims.
• Configurable superbills: Create and customize digital superbills with ICD-10, CPT, and HCPCS codes to standardize billing documentation.

Office Ally Practice Mate Integrations

Native integrations include Office Ally EHR 24/7, Patient Ally, Stripe for payment processing, and Office Ally’s clearinghouse. An API is available for custom integrations.

What's Free?

Practice Mate's core plan is free forever, with no subscription or licensing fees, and includes appointment scheduling, patient billing, configurable superbills, patient ledger, and reporting. Some add-ons carry transactional fees, including eligibility verification (first 100 transactions at $10/month, then $0.10 each) and patient appointment reminders via Reminder Mate.

FreeMED is a free, open-source electronic medical record and practice management system that covers clinical records, administrative workflows, reporting, and medical billing connections for healthcare providers.

Who Is FreeMED Best For?

FreeMED is suited to independent practices, clinics, developers, and healthcare organizations with technical resources to install and maintain an open-source EMR and billing environment.

Why I Picked FreeMED

I picked FreeMED for its connection with REMITT, an open-source billing and remittance package developed by the FreeMED Software Foundation. REMITT translates medical billing documents between formats and transmits them for claim submission.

This approach gives technically experienced teams more control over how billing files are generated, converted, and sent. However, setup requires more configuration than a hosted billing platform with ready-made payer connections.

FreeMED Key Features

• Practice management: Manages administrative and clinical workflows through a browser-based system.
• Billing and remittance connection: Works with REMITT to translate and transmit medical billing and claim documents.
• Medical data exchange: Provides an XML-RPC backend and supports multiple import and export formats.
• Reporting tools: Generates administrative and clinical reports from data stored in the system.
• Open-source customization: Allows developers to modify the source code and configure the platform for specific workflows.

FreeMED Integrations

FreeMED connects with REMITT for billing and remittance processing. Its repository also contains an XML-RPC backend, a REMITT callback service, and documentation for a Quest Diagnostics HL7 interface. A current list of ready-made third-party connections is not published.

What’s Free?

FreeMED is distributed under the GNU General Public License and can be downloaded, modified, and self-hosted without subscription or licensing fees. Its official repository currently requires PHP 8.3 and uses Debian as the reference installation environment.

billrMD is a cloud-based medical billing platform that covers electronic claims submission, payment posting, patient invoicing, insurance eligibility verification, and AR tracking—all within a single system that includes a permanently free entry-level plan.

Who Is billrMD Best For?

billrMD is a good fit for solo physicians, small practices, and independent medical billing companies that need a full-featured billing system without an upfront financial commitment.

Why I Picked billrMD

billrMD earns its spot on my shortlist because the claims workflow is genuinely end-to-end: electronic submission runs through an integrated clearinghouse, ERA auto-posting reconciles payer payments without manual entry, and real-time eligibility verification catches coverage gaps before a claim is ever submitted. I also like that CMS-1500 forms auto-fill from existing patient and billing data, which removes a meaningful amount of manual work from the claim creation step.

billrMD Key Features

• Built-in coding library: Access over 73,000 codes including ICD-10, CPT, and DSM5 for accurate claim preparation.
• Patient invoicing and balance statements: Generate branded statements and invoices for patient billing management.
• Appointment scheduling: Manage calendars and appointments with multiple views and drag-and-drop controls.
• User-based access controls: Set role-based permissions to maintain HIPAA compliance and control PHI access.

billrMD Integrations

billrMD offers native integrations with Dendi LIS, AltaPoint, HealthBiller, WebIMS, Availity, Global Pay, Professional Office Services, and Data Dimensions. An API is available for custom integrations.

What's Free?

billrMD's free plan is a permanent "Complimentary Introductory Plan," not a time-limited trial, and requires no credit card to sign up. Paid upgrades are available as your practice scales, but the free tier gives you access to core billing functionality from day one.