Best Medical Billing Outsourcing Companies in the USA: Pricing & Results

The best medical billing outsourcing companies in the USA are the ones that can prove what they will do to your Net Collection Ratio, Days in AR, and denial rate, not the ones offering the lowest per-claim price. For specialty groups, surgery centers, and multi-site organizations, the shortlist includes Medical Billers and Coders (MBC), Healthcare Transcure, CareCloud, AdvancedMD, Tebra, Conifer Health Solutions, Ensemble Health Partners, athenahealth, R1 RCM, and Optum. Each one is built for a different type and size of organization, and the right choice depends on your specialty mix, payer mix, and how much control your finance team wants to keep.

The stakes are larger than most billing decisions get credit for. For a group collecting $5M a year, a two-point gap in Net Collection Ratio is $100,000 a year that never reaches the bank. A ten-day difference in Days in AR keeps roughly $137,000 tied up with payers at any given moment. Choosing the wrong partner rarely shows up as a crisis. It shows up as a slow leak that nobody can quite explain at the quarterly review.

What Medical Billing Outsourcing Companies Actually Do

Most people picture claim submission when they hear the term. That is the smallest part of the job. Strong medical billing outsourcing companies take ownership of nearly everything that happens to revenue after a patient is scheduled: eligibility and benefits checks, prior authorization tracking, charge capture, coding, claim scrubbing, payment posting, denial work, underpayment recovery, patient statements, and reporting that a finance team can actually use.

The real difference between a vendor and a partner shows up after a claim is denied. A vendor resubmits it. A partner traces the denial back to its source, whether that is a missing modifier, an expired authorization, or a registration error at the front desk, and fixes the process upstream so the same denial does not return next month. Over a year, that habit is often worth more than the entire billing fee.

Medical billing outsourcing also changes who carries operational risk. When a coder leaves an in-house team, claims stall until someone is hired and trained, which can take months in specialties like anesthesia or orthopedics. When a partner loses a coder, the backlog is theirs to absorb under the service agreement. Your cash flow does not depend on one person’s notice period.

Finally, a good partner brings pattern recognition that a single organization cannot build on its own. A billing team that works with dozens of surgery centers sees a payer policy change in the first week it starts denying claims, not after three months of unexplained rejections.

Top Medical Billing Companies in USA: How This List Was Built

There is no neutral scoreboard for billing vendors, and any list that claims one deserves some skepticism. Rather than ranking companies on marketing claims, we grouped them by the type of organization each one is built to serve and looked at six things a CFO should care about:

1. Specialty depth: Does the company assign coders and billers who work only in your specialty, or pull from a general pool?
2. Reported outcomes: Will they share Net Collection Ratio, Days in AR, denial rate, and clean claim rate for clients similar to you in size and specialty?
3. Pricing clarity: Is the fee structure easy to understand, and what is excluded from it?
4. Technology fit: Do they work inside your existing EHR, or require you to move onto their platform?
5. Compliance posture: A signed Business Associate Agreement, a coding audit program, and documented security controls.
6. Reporting depth: Payer, provider, location, and procedure-level data on demand, or a monthly PDF summary?

If you are comparing the top medical billing companies in the USA, ask every finalist for the same four numbers on clients that look like you. How quickly and specifically they answer is one of the most useful filters you have. A company that responds with “great results” and a testimonial instead of figures has told you something important.

Best Medical Billing Outsourcing Companies in the USA

Medical Billers and Coders is listed first. The remaining companies follow in order of scale, from smaller specialized vendors to the largest enterprise operators, because a vendor that is ideal for a 400-bed health system is rarely the right choice for a six-OR surgery center, and the reverse is just as true.

1. Medical Billers and Coders (MBC)

Best fit: Specialty groups, ambulatory surgery centers, and multi-site organizations with complex coding.

MBC has spent more than 25 years building specialty specific billing teams across 32+ specialties, with clients in all 50 states. The model assigns coders and billers who work within a single specialty, which matters most where payer rules shift often and coding errors are expensive: anesthesia, orthopedics, pain management, wound care, behavioral health, and ambulatory surgery.

MBC works inside the client’s existing EHR rather than requiring a platform switch, so there is no clinical disruption during the transition. Reporting is designed for finance leaders, with payer variance against contracted rates, denial trends broken down by root cause, and AR aging by provider and location. Pricing is custom-quoted based on specialty, volume, and scope, so there is no published rate card.

Where it falls short: MBC is not an EHR vendor. Organizations that want billing and clinical software under a single contract may prefer a platform company.

2. Healthcare Transcure

Best fit: Smaller groups that want billing, credentialing, and virtual staffing from one provider.

Healthcare Transcure offers full-service revenue cycle support including billing, coding, credentialing, and virtual administrative staff, positioned for organizations that prefer to consolidate several back-office functions with one company.

What to check: Ask for specialty-specific client references, documentation of its data security controls, and a sample of the reporting you would receive each month.

3. CareCloud

Best fit: Mid-size groups that want software and billing services together at a competitive cost.

CareCloud is a New Jersey-based, Nasdaq-listed company that pairs cloud-based EHR and billing software with revenue cycle services delivered by a large global workforce. That cost structure allows it to price competitively.

What to check: Ask for references in your exact specialty, and understand how communication works across time zones, particularly for urgent authorization questions or same-day denial issues.

4. AdvancedMD

Best fit: Groups already running AdvancedMD software.

AdvancedMD, owned by Global Payments, offers cloud EHR and billing software along with optional revenue cycle services. For existing users, adding the company’s own billing service can reduce integration work and keep everything in one system.

What to check: Find out whether the service team is a core part of the business or an add-on to the software, and ask for the same outcome metrics you would request from a billing specialist.

5. Tebra

Best fit: Independent and smaller groups that want an all-in-one setup.

Tebra was formed in 2021 through the merger of Kareo and PatientPop, combining clinical, billing, and patient engagement tools in one place. Its billing services are built for independent organizations that want a simple, connected system.

What to check: For high-acuity surgical billing, implant tracking, or anesthesia time-unit calculations, confirm the depth of specialty expertise on the service team before signing.

6. Conifer Health Solutions

Best fit: Hospitals and health systems.

Conifer, a subsidiary of Tenet Healthcare, provides revenue cycle management and patient access services mainly for hospitals and health systems, drawing on years of running revenue cycles for Tenet’s own facilities.

What to check: As with other hospital-focused vendors, Conifer’s strength is facility billing. Physician groups and surgery centers should ask specifically about professional billing depth in their specialty.

7. Ensemble Health Partners

Best fit: Hospitals and health systems that want end-to-end revenue cycle management.

Based in Cincinnati, Ensemble focuses on hospital and health system revenue cycles and has repeatedly been recognized by KLAS Research for end-to-end revenue cycle outsourcing. Its model often places Ensemble leaders inside the client organization, which suits systems that want deep operational integration rather than an arm’s-length vendor.

What to check: Ensemble’s core market is facility billing for health systems. Independent physician groups and freestanding surgery centers should ask how much of the company’s current work matches their profile.

8. athenahealth

Best fit: Groups that want EHR, scheduling, and billing on one cloud platform.

athenahealth bundles its revenue cycle services with its athenaOne platform. Because it sees claim outcomes across a large network of clients, it can update payer rules centrally, which helps reduce avoidable rejections before claims go out.

What to check: The services are tied to the platform. If your organization is satisfied with its current EHR, moving everything onto athenaOne is a large change to make for billing alone, and switching away later is an equally large project.

9. R1 RCM

Best fit: Hospitals, health systems, and large physician enterprises.

R1 RCM is one of the largest revenue cycle companies in the country, offering end-to-end outsourcing for hospital and professional billing, backed by significant investment in automation. Its scale suits organizations that want to hand over an entire revenue cycle department, including transitioning existing staff.

What to check: Engagements at this scale are often structured as long-term, enterprise-wide agreements. A mid-size surgical group or a single-specialty organization should confirm it will get dedicated attention and specialty expertise rather than a small share of a very large shared operation.

10. Optum

Best fit: Large health systems and physician groups that want a broad services portfolio.

Optum, part of UnitedHealth Group, offers revenue cycle services covering coding, billing, analytics, and clearinghouse functions. Few companies can match its breadth or its access to claims data.

What to check: Some providers weigh the fact that Optum shares a parent company with UnitedHealthcare, one of the largest commercial payers. Separately, the February 2024 cyberattack on Change Healthcare, a UnitedHealth Group subsidiary, disrupted claims and payments across the country for weeks and showed how much risk can sit in a single clearinghouse dependency (Source: HHS Office for Civil Rights). Whichever vendor you choose, ask what their contingency plan is if their primary clearinghouse goes down.

Best Medical Billing Outsourcing Companies Comparison

Company	Best fit	Works in your current EHR?	Pricing approach	Main thing to verify
Medical Billers and Coders (MBC)	Specialty groups, ASCs, multi-site organizations	Yes	Custom quote	Fit if you want EHR and billing in one contract
Healthcare Transcure	Smaller groups	Varies	Custom	Security controls, references
CareCloud	Mid-size groups	Software-led	Custom	Specialty references, time zones
AdvancedMD	Existing AdvancedMD users	Software-led	Bundled options	Service team versus software focus
Tebra	Independent, smaller groups	Software-led	Bundled options	High-acuity coding depth
Conifer Health Solutions	Hospitals and health systems	Typically	Custom	Professional billing depth
Ensemble Health Partners	Hospitals and health systems	Typically	Custom	Fit for non-hospital organizations
athenahealth	Groups wanting one platform	No, uses athenaOne	Bundled with platform	Switching costs
R1 RCM	Health systems, large enterprises	Typically	Custom, enterprise agreements	Dedicated attention for mid-size groups
Optum	Large systems and groups	Typically	Custom	Payer affiliation, clearinghouse risk

What Outsourced Medical Billing Services Should Include

Two proposals can carry the same label and cover very different work. Before you compare price, line up exactly what each set of outsourced medical billing services includes. A complete scope covers five areas:

1. Front end: eligibility and benefits verification, prior authorization tracking, and registration accuracy checks before the visit.
2. Mid cycle: charge capture, specialty coding, modifier review, and claim scrubbing before submission.
3. Back end: payment posting, ERA reconciliation, denial management, appeals, underpayment recovery against contracted rates, and patient balance follow-up.
4. Reporting: a monthly KPI review plus on-demand access to payer, provider, and location-level data.
5. Compliance: a signed Business Associate Agreement, periodic coding audits, and a documented process for identifying and returning overpayments.

HIPAA requires any company that handles protected health information on your behalf to sign a Business Associate Agreement that defines how that information is used and safeguarded (Source: HHS). If a vendor hesitates on this point, end the conversation there. Watch closely for exclusions. Some vendors quote a low percentage and then carve out old AR, patient statements, credentialing, or secondary claims.

A proposal that looks two points cheaper can end up costing more once those services are added back, and the gap usually surfaces only after the contract is signed. For a sense of how a complete scope is structured by specialty, see how MBC organizes its medical billing services across front-end, coding, and back-end work.

Benefits of Outsourcing Medical Billing, Measured in Dollars

The benefits of outsourcing medical billing are often described in soft terms: less stress, fewer headaches, more time for patients. Those are real, but a finance leader needs numbers. Here is where the money actually comes from.

1. Higher net collections

Net Collection Ratio measures how much of the money you are contractually owed you actually collect. On $5M in collectible revenue, each point of NCR is worth $50,000 a year. Moving from 92% to 96%, a realistic improvement when denials are worked at the root cause rather than simply resubmitted, adds $200,000 a year without a single additional case or visit.

2. Faster cash

Days in AR measures how long earned revenue sits unpaid. On $5M in annual collections, cutting Days in AR from 48 to 35 frees roughly $178,000 in working capital. That is cash available for payroll, equipment, or a new location instead of sitting in payer queues.

3. Fewer write-offs from missed deadlines

Medicare claims generally must be filed within 12 months of the date of service (Source: 42 CFR 424.44), and many commercial payer contracts set much shorter windows, sometimes 90 days. A team that tracks timely filing limits payer by payer keeps revenue from quietly expiring in a backlog. A disciplined denial management process applies the same rigor to appeal deadlines.

4. Lower compliance exposure

Insufficient documentation and coding errors are among the leading causes of improper Medicare payments identified through CMS’s Comprehensive Error Rate Testing program (Source: CMS). A partner that runs regular coding audits catches these patterns internally, before a payer audit or a recoupment letter does.

5. Predictable cost

An in-house billing team’s cost rises with every resignation, overtime week, training cycle, and software renewal. An outsourced agreement converts most of that into a predictable cost tied to performance, which makes budgeting and forecasting far more reliable.

6. Leadership time back

In organizations with in-house billing, administrators and CFOs spend a meaningful share of their week chasing billing problems: staffing gaps, aging reports, payer escalations. Handing that work to a partner with accountable KPIs returns that time to decisions about growth, contracts, and expansion.

How Much Medical Billing Outsourcing Costs

Pricing for medical billing outsourcing typically follows one of three models across the industry:

1. Percentage of collections: commonly in the range of about 4% to 10% of what the vendor collects, depending on specialty, volume, and scope. This model ties the vendor’s income directly to your collections.
2. Flat fee per claim: a set rate per claim submitted, common for high-volume, lower-complexity billing. The weakness is that it pays for activity, not results.
3. Dedicated team or hybrid: a monthly fee for assigned staff, sometimes paired with a performance component. This suits larger organizations that want named team members.

MBC does not publish a rate card. Every engagement is quoted after reviewing specialty, payer mix, claim volume, and the current state of AR, because two groups with identical revenue can need very different levels of work.

Why the cheapest quote often costs the most

Take a group with $4M in collectible revenue choosing between two vendors:

	Vendor A	Vendor B
Fee	5% of collections	7% of collections
Net Collection Ratio achieved	90%	96%
Amount collected	$3,600,000	$3,840,000
Fee paid	$180,000	$268,800
Net cash to the group	$3,420,000	$3,571,200

Vendor B charges $88,800 more in fees and still leaves the group $151,200 better off every year. This is why any pricing conversation should begin with outcomes, not with the rate.

How to compare against your in-house cost

Add up loaded salaries and benefits for billing and coding staff, billing software, clearinghouse fees, coding education, supervision time, and the cost of replacing people who leave. Divide that total by annual collections.

The resulting cost-to-collect percentage is the right number to set against an outsourced quote, alongside the Net Collection Ratio and Days in AR your team currently achieves. Comparing a vendor’s fee against salaries alone understates what in-house billing really costs.

Medical Billing Services: In-House Team or Outsourced Partner?

In-house medical billing services are not the wrong answer for every organization. They tend to work when claim volume is high enough to justify specialized roles, the team is experienced and stable, a strong billing leader is in place, and finance already has clear visibility into performance.

Outsourcing usually makes more sense when one or more of these is true:

• Your denial rate is consistently above 8% to 10%.
• More than 15% to 20% of your AR is older than 90 days.
• Billing staff turnover has caused backlogs more than once in the past year.
• You are adding locations, providers, or specialties faster than the billing team can absorb.
• Leadership cannot get reliable payer, provider, or procedure-level data without waiting on a spreadsheet.

A hybrid model is also common. Many groups keep front-desk registration and point-of-service collections in house while outsourcing coding, claim follow-up, denials, and aged AR. Groups that want a coding-only engagement can start with specialty medical coding services and expand scope once results are proven.

Red Flags When Evaluating Medical Billing Outsourcing Companies

Most bad outcomes in medical billing outsourcing were visible during the sales process. These are the warning signs worth taking seriously:

• No outcome data: The company will not share NCR, Days in AR, or denial rates for clients like you.
• Lock-in contracts: Long, auto-renewing terms with no performance-based exit clause.
• Unclear data terms: No written commitment to return your data in a usable format if the relationship ends.
• Generalist coders on specialty work: Anesthesia, orthopedics, and surgical billing need coders who do nothing else.
• Thin reporting: A monthly summary PDF with no way to drill into payers, providers, or procedures.
• Platform pressure: A requirement to change your EHR as a condition of the billing contract.
• Security hesitation: Reluctance to sign a BAA or share a SOC 2 report or equivalent documentation.
• Undisclosed subcontracting: Work passed to third parties, onshore or offshore, without your knowledge.

The HHS Office of Inspector General has published compliance program guidance that applies to third-party billing companies, covering coding standards, training, and auditing. Ask any finalist how its compliance program maps to that guidance.

Switching to Medical Billing Outsourcing Without a Cash Flow Dip

The fear of a cash dip keeps many groups with an underperforming setup far longer than they should. A well-run transition usually takes 60 to 90 days and protects cash flow through careful sequencing.

• Days 1 to 30: Sign the BAA, grant EHR and clearinghouse access, load fee schedules and payer contracts, and record baseline KPIs. Start ERA and EFT enrollment updates with each payer early, because some take several weeks to process.
• Days 31 to 60: New claims flow through the new partner while existing AR continues to be worked in parallel, either by the outgoing team or by the new partner under a defined runout plan. Payments are reconciled daily so nothing falls between the two.
• Days 61 to 90: The first root-cause denial reports arrive, and the first KPI review compares performance against the baseline captured in month one. This is where the partner should be showing early wins on clean claim rate and denial trends.

Old balances deserve their own plan. Claims still inside payer timely filing and appeal windows are recoverable, so the sooner aged balances are handed to a team focused on accounts receivable recovery, the more of that revenue comes back.

Disclosure: This guide is published by Medical Billers and Coders. We included ourselves on the list, and we have tried to describe every company, ours included, by what it is built for and where it falls short.

Summary

Choosing among medical billing outsourcing companies is a financial decision more than an operational one. Hospital systems are usually best served by enterprise vendors such as Conifer Health Solutions, Ensemble Health Partners, R1 RCM, or Optum. Groups that want billing tied to one software platform tend to look at CareCloud, AdvancedMD, Tebra, or athenahealth.

Specialty groups, surgery centers, and multi-site organizations with complex coding benefit most from a specialty-focused partner like MBC that works inside their existing EHR. Whichever direction you lean, compare every finalist on the same four numbers, Net Collection Ratio, Days in AR, denial rate, and clean claim rate, for clients that match your size and specialty, and judge pricing by net cash collected rather than by the rate on the proposal.

See Where Your Revenue Cycle Stands Before You Choose a Partner

If you are comparing medical billing outsourcing companies, start with your own numbers. MBC’s Revenue Diagnostic reviews your Net Collection Ratio, Days in AR, denial patterns by root cause, and payer variance against contracted rates, so you know exactly what a new partner should be expected to fix before you sign anything. Call (888) 357-3226, email info@medicalbillersandcoders.com, or speak with our revenue cycle team to request a Revenue Diagnostic.

FAQs: Best Medical Billing Outsourcing Companies