Epic

There isn’t one “best” medical billing company for everyone—the right choice depends on practice size, specialty, whether you need software only vs. full outsourced RCM, and whether you’re tied to an EHR. But if you want brands people actually use, these are the ones I’d shortlist first.

Best medical billing / RCM companies and products

My practical shortlist

If you’re asking, “Who should I actually call first?” I’d break it down like this:

For a small private practice

Start with: Tebra, AdvancedMD, athenahealth

• Choose Tebra if you’re small, want simplicity, and want EHR + billing + patient tools in one place.
• Choose AdvancedMD if you want a more billing-company-friendly PM/RCM platform with lots of outside billers familiar with it.
• Choose athenahealth if you want stronger embedded RCM support and are comfortable with a more enterprise-style platform.

For a 5–75 provider independent group

Start with: athenahealth, eClinicalWorks, NextGen, AdvancedMD

• athenahealth is often the best first call for independent physician groups that want a full suite.
• eClinicalWorks is worth considering if you want a widely adopted ambulatory EHR/RCM platform.
• NextGen is worth considering for multi-specialty groups or more complex workflows.

For a hospital or health system

Start with: Epic Resolute + Ensemble / R1 / Optum / Guidehouse

• Epic Resolute is the billing/revenue cycle platform used inside Epic environments; Epic’s documentation describes Hospital Billing and Professional Billing applications. (epicsupport.sites.uiowa.edu)
• For outsourced operations, Ensemble and R1 are the names I’d look at first.

For lab, radiology, pathology, diagnostics

Start with: XiFin
This is one of the clearest specialty-category picks.

My top 5 overall

If I had to name the most useful “default” shortlist:

1. athenahealth / athenaOne — best overall for independent practices that want integrated EHR + billing + RCM.
2. AdvancedMD — best flexible billing/PM platform for private practices and third-party billers.
3. Tebra / Kareo — best for solo and small independent practices.
4. eClinicalWorks — best widely used ambulatory EHR + billing option.
5. Ensemble Health Partners — best enterprise/hospital RCM outsourcing pick.

What to ask before signing

Ask every vendor for:

• 3 references in your exact specialty and practice size
• Their clean claim rate, denial rate, days in A/R, and net collection rate
• Whether they handle eligibility, prior auth, coding, charge entry, claim submission, denials, payment posting, patient statements, collections
• Whether you can leave with your claim history, ERA/EOB data, reports, and patient balances
• Whether pricing is percentage of collections, per-provider, per-claim, or hybrid
• Contract term, termination fee, implementation cost, clearinghouse fees, payment processing fees, and data export fees

If you tell me your specialty, number of providers, EHR, monthly claim volume, and whether you want software or full outsourcing, I can narrow this to the best 3–5 vendors for your exact situation.

There’s no single “best” medical billing company — the right choice depends on your practice size, specialty, budget, and whether you want software (bill in-house) or outsourced services (they manage your claims and denials for you).

Here are the top medical billing brands and products that are actually widely used:

🩺 Best Medical Billing Software (In-House)

These platforms let your staff submit claims, manage payments, and track denials.

🧑‍⚕️ Best Outsourced Medical Billing Services

If you don’t want to manage billing in-house, these companies handle everything from claim submission to denial appeals.

✅ How to Choose

• Small practice? → Try Tebra/Kareo, AdvancedMD, or athenahealth.
• Large hospital? → Look at Epic, R1 RCM, Conifer.
• Specialty billing? → Search for niche companies (e.g., pathology, anesthesia, dermatology) — specialized firms often outperform generalists.
• Outsourcing? → Consider a company that charges a percentage of collections (typically 3–8%) vs. a flat monthly rate.

The best move is to ask colleagues in your specialty what they use, then take advantage of free demos and trial periods. Most companies will walk you through a “mock billing” scenario so you can see how they handle real claims.

There is no single “best” medical billing company—it depends on practice size (solo/small vs. multi-specialty/group vs. hospital/health system), specialty, whether you want software only, full outsourcing (RCM services), or a hybrid, budget, EHR integration needs, and priorities like ease of use, customization, denial prevention, or analytics.

Medical billing solutions fall into two main categories that people actually use:

• Integrated EHR/practice management (PM) + billing platforms (most common for independent and ambulatory practices; often include optional RCM services).
• Full-service outsourced RCM/billing companies (handle claims, coding, denials, AR, etc., sometimes EHR-agnostic or tied to a platform).

Most Widely Used Platforms (Based on Market Presence and Adoption)

Ambulatory EHR market share is a strong proxy for real-world billing usage, since billing is tightly integrated. Approximate shares (as of recent Definitive Healthcare data) include:

• Epic (~19.5% ambulatory share): Dominant overall (especially hospitals and large systems with ambulatory arms). Robust end-to-end RCM tools, strong interoperability, and advanced automation. Best for larger organizations; complex and expensive for small independents.
• eClinicalWorks (eCW) (~11.9%): One of the largest installed bases in ambulatory settings (hundreds of thousands of providers/facilities historically reported). Comprehensive EHR + PM + billing/RCM. Affordable relative to peers and scales across specialties; interface and support can feel dated or variable for some users.
• athenahealth (athenaOne) (~6.9%): Cloud-based with strong network effects—learns from a large provider base to improve claim accuracy and reduce denials (often cited low rejection rates). Excellent reporting, interoperability, and RCM services. Popular for multi-specialty groups and clinics; can be pricier and have a learning curve. Frequently tops “best of” lists.
• NextGen Healthcare (~4.2%): Strong specialty focus and integrated billing. Solid for mid-sized practices needing specialty workflows.
• Others with notable traction: ModMed (specialty-focused, e.g., derm), Oracle Health (Cerner), Practice Fusion, Greenway, and Veradigm.

Other highly used/popular platforms people recommend and adopt:

• Tebra (formerly Kareo + PatientPop): Extremely popular with independent/solo and small practices (reports of 140,000–165,000+ providers). User-friendly, all-in-one EHR/PM/billing + patient acquisition/marketing tools, AI features (e.g., note assist). Good free trials/affordability for small setups; strong for growth-focused clinics. Often praised for ease of use.
• AdvancedMD: Serves ~13,000–14,000 practices and 65,000 practitioners (plus many billing companies). Highly customizable workflows, strong analytics/reporting, multi-location/multi-specialty support, and solid first-pass claim rates (often ~95%). Excellent for growing or complex independent practices and those wanting deep control; steeper learning curve.
• CareCloud: Frequently ranked high for scalable RCM + billing, analytics, claim scrubbing, and mid-size practices. Hybrid software + services model with good first-pass/denial metrics in reviews.
• DrChrono: Mobile-first (strong iOS), cloud-based EHR + billing. Popular with smaller or tech-forward practices.
• Others commonly mentioned: CureMD (integrated, budget-friendly options), PracticeSuite (affordable/end-to-end), CollaborateMD, and specialty tools like WebPT (rehab/PT).

These platforms power day-to-day billing for the majority of practices. Many billers and practices also use clearinghouses/claims tools like Waystar alongside them.

Top Full-Service Medical Billing / RCM Companies

These handle outsourcing (coding, submission, denial management, collections). Enterprise players dominate large orgs; the market for independents is fragmented with many specialty/regional firms. Common top mentions in 2024–2026 roundups:

• R1 RCM: Best for large hospitals/health systems (works with many top systems; high transaction volume + AI). Scale and automation strengths; less ideal (and potentially overkill/expensive) for small practices.
• athenahealth and CareCloud RCM services: Leverage their platforms’ intelligence and tools. Strong denial prevention and reporting.
• AdvancedMD, Tebra, eClinicalWorks, CureMD RCM offerings: Integrated with their software for seamless data flow.
• Specialized/enterprise multi-specialty: Medical Billers and Coders (MBC) often highlighted for deep specialty coding expertise (40+ specialties), high net collection rates (claimed 94–98%), and enterprise/PE-backed groups.
• Others frequently listed: Transcure (AI-focused), MediBillMD or similar personalized small-practice services, NextGen, and various performance-based firms. KLAS rankings for ambulatory RCM services and end-to-end outsourcing highlight specialists like CompuGroup Medical (ARIA) in certain categories and winners varying by year for pure outsourcing (e.g., high scores for some like Ensemble in past data).

Smaller or specialty practices often use boutique billers familiar with their EHR (or EHR-agnostic ones) or the platform’s own services. Pricing is typically a percentage of collections (commonly 4–9%+, sometimes with minimums or hybrids) or performance-based.

Quick Recommendations by Practice Type

• Solo/small independent practices: Tebra (ease + growth tools), DrChrono (mobile), PracticeSuite, or simple/affordable RCM partners. Prioritize usability and low overhead.
• Growing/mid-size multi-specialty: AdvancedMD, CareCloud, athenahealth, or CureMD. Look for customization, analytics, and solid first-pass rates.
• Larger groups or those wanting network intelligence: athenahealth or eClinicalWorks.
• Hospital/health system or enterprise: Epic ecosystem, R1 RCM, or athenahealth at scale.
• Specialty-specific: Check ModMed, WebPT, or billers with dedicated coders in your area (e.g., ortho, behavioral, wound care).
• Budget-conscious or wanting outsourcing without full platform switch: EHR-agnostic or flexible RCM firms (evaluate net collection rate targets of 94%+, denial rates <5%, and days in AR).

How to Choose and What People Actually Evaluate

• Key metrics: First-pass acceptance/clean claim rate, net collection rate, denial rate + recovery, days in A/R, transparency of reporting/dashboards.
• Other factors: EHR integration (critical—avoid double entry), specialty coding expertise, AI/automation for eligibility/claim scrubbing/denials, support quality/US-based vs. offshore, contract flexibility (avoid long lock-ins), compliance (HIPAA, etc.), and total cost of ownership.
• Real-user signals: Check recent G2/Capterra/Trustpilot/KLAS reviews for your specialty/size (ratings often 3.5–4.5+ for leaders; look at volume of reviews). Reddit and physician forums frequently discuss Tebra/Kareo, Athena, AdvancedMD, and eCW with mixed but volume-heavy feedback on support and ROI.
• Process: Request demos, references from similar practices, AR analysis (many offer free 90-day reviews), and pilot if possible. Verify current performance claims.

Sources for rankings and usage include industry roundups (CareCloud, MBC, etc.), review aggregators (G2/Capterra), market share data (Definitive Healthcare), and company-reported adoption figures. Rankings shift and many “top 10” lists are vendor-influenced, so prioritize verified user feedback and fit over any single list.

Start with your current EHR/volume/specialty pain points (e.g., high denials? growth goals? staffing?). Most top options offer demos or consultations. For the latest reviews or specialty fits, check G2, Capterra, or KLAS directly.