The Tool Desk
Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →There is no single best medical billing service for every U.S. practice. The right choice depends on specialty, payer mix, claim volume, existing systems, and how much of the revenue-cycle workflow you want to outsource. athenahealth and AdvancedMD offer outsourced revenue-cycle services; Tebra describes billing tools and a network of billing partners, but that does not establish that every partner provides full-service billing. Compare written proposals against the same scope and assumptions before choosing.
Medical billing services to consider
These providers are candidates for a shortlist, not a quality ranking. Their published descriptions explain what they offer, but do not independently establish service outcomes or superiority.
athenahealth
athenahealth revenue cycle services describes a broad managed-service scope, including registration and insurance verification, authorization management, coding, claim scrubbing and submission, payment posting, denial resolution, refunds, and reporting. Its page addresses independent practices as well as complex organizations. Ask whether the proposed service supports your systems, specialty, and contract requirements.
AdvancedMD
AdvancedMD outsourced medical billing is positioned for independent physicians and directs prospective customers to request a quote. The company separately offers billing software for practices that handle billing in-house. These are different operating models: confirm whether a proposal covers a managed service or software, and which tasks remain with your staff.
Tebra
Tebra describes billing and payment tools alongside a network of vetted billing partners. That may suit a practice comparing software or partner support, but the cited description does not establish that each partner provides complete outsourced billing. Ask the specific partner for a written scope and accountability map.
Compare scope before comparing fees
“Medical billing” can refer to a few tasks or a much larger revenue-cycle operation. List the work your practice needs and ask each candidate to mark it included, excluded, optional, or performed by your staff. A broad checklist includes:
- Eligibility and insurance verification
- Prior authorization management
- Coding and charge entry
- Claim edits, submission, and rejection correction
- Payment posting and reconciliation
- Denial follow-up, appeals, underpayment review, and payer escalation
- Patient balances, statements, and refunds
- A/R follow-up, including aged accounts
- Reporting, account management, and access to claim-level data
athenahealth describes many of these lifecycle tasks. Do not assume another provider includes the same work just because it advertises billing or RCM; get the exact inclusions and exclusions in the proposal.
How to compare proposals fairly
The vendor pages reviewed do not publish directly comparable rates. AdvancedMD invites quote requests, and athenahealth invites demo requests. Request written proposals using the same practice profile so that differences in scope and price are visible rather than hidden in assumptions.
Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problems- Give each vendor the same inputs. State specialty, locations, approximate claim volume, payer mix, current EHR and practice-management system, clearinghouse, and the services you want outsourced.
- Ask for an itemized fee model. Clarify the pricing basis, collection base if applicable, minimums, setup and transition costs, separately charged services, and any termination fees. The reviewed vendor pages do not establish a universal price.
- Check operational fit. Confirm system compatibility, required interfaces or workflow changes, assigned team experience with your specialty and payers, and who owns unresolved claims and escalations.
- Specify reporting and accountability. Ask what reports you receive, how often, who can access underlying claim and payment data, and who is accountable for each workflow.
- Review the full contract path. Compare term, renewal, termination, transition support, and data return provisions. Ask for references from practices with comparable scale, specialty, and systems.
Security, HIPAA, and Medicare responsibilities
Outsourcing billing does not transfer every provider obligation. CMS says a covered entity that engages a business associate needs a written contract or arrangement specifying the work and requiring HIPAA compliance. Review the agreement, data-handling practices, subcontractors, access controls, and incident-notification process; CMS guidance does not certify any particular vendor’s compliance. CMS guidance on business associates.
For Medicare electronic data interchange (EDI), CMS says the provider must enroll before exchanging transactions, safeguard beneficiary data, ensure billing services or clearinghouses assisting with transactions meet applicable privacy and security requirements, and notify the appropriate Medicare contractor of the transactions an agent is authorized to submit or receive. The provider must report changes as well. CMS EDI privacy and security guidance and CMS electronic billing and EDI transactions.
Ask who will access protected health information, where the work is performed, and whether subcontractors or offshore teams are involved. Put the vendor’s role and safeguards in the written agreement rather than relying on a general assurance.
Medicare claims and reimbursement are separate from vendor choice
Medicare enrollment, claim administration, and billing-service selection are distinct matters. CMS directs providers through Medicare enrollment steps for billing privileges. For Original Medicare fee-for-service, covered Part A and B claims go to the appropriate Medicare Administrative Contractor (MAC); Medicare Advantage claims go to the beneficiary’s plan. CMS Medicare enrollment information and CMS information about MACs.
Best Value
A billing company does not set Medicare’s allowed amount. CMS publishes fee schedules, including the Physician Fee Schedule and DMEPOS fee schedule. Its Physician Fee Schedule Look-Up Tool provides payment information, relative value units, and payment policies for more than 10,000 services, according to CMS’s page accessed in 2026. This is a reimbursement reference, not a measure of billing-vendor quality. In FY2024, MACs served more than 1.2 million enrolled providers, processed more than 1.1 billion Medicare fee-for-service claims, and paid approximately $459.7 billion in benefits; those figures describe program scale, not vendor performance. CMS MAC information and CMS Physician Fee Schedule tool.
CMS describes EDI as “the automated transfer of data in a specific format following specific data content rules between a health care provider and Medicare, or between Medicare and another health care plan.” For professional claims, CMS also notes: “Providers that bill an A/B MAC are also permitted to submit claims electronically via direct data entry screens.” CMS Electronic Billing & EDI Transactions and CMS-1500 professional claim form information.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Questions to ask on vendor calls
- Which tasks are included in the fee, optional, or separately charged?
- Who handles eligibility, authorizations, coding, charge entry, edits, submission, posting, denials, appeals, patient statements, and aged A/R?
- What experience does the assigned team have with your specialty, payer mix, and claim volume?
- Can you keep your current EHR, practice-management system, and clearinghouse? What interfaces or workflow changes are required?
- How are rejected claims, denials, underpayments, and payer escalations assigned, tracked, and reported?
- What reports will you receive, how often, and who can access claim- and payment-level data?
- Who accesses protected health information? Where is work performed, and which subcontractors are involved?
- Will the vendor sign a business-associate agreement and document security controls and incident-notification procedures?
- How is the fee calculated against your collections or other pricing base? What minimums, setup fees, exclusions, and termination charges apply?
- What are the contract term, renewal, termination, transition-support, and data-return terms?
- Can the vendor provide references from practices with similar systems, specialty, and scale?
- What work remains with your practice after onboarding, including provider enrollment and payer-information maintenance?
When software or a billing service is the better fit
If your team intends to keep billing work in-house, compare software rather than assuming a managed service is necessary; AdvancedMD, for example, distinguishes its outsourced RCM from its billing software. If you want outside help, establish whether the offering is a full managed service, selected support, or a referral to a separate partner. CMS identifies software, a billing service, or a clearinghouse as possible routes for electronic claims, but those routes do not replace your responsibility to assess scope, data handling, and Medicare obligations.
Quick Recap
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