What Does a Medical Billing Company Do? A Complete Guide for Healthcare Practices

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So, what does a medical billing company do in practical terms?

Medical billing companies are not simply organizations that “send claims.” They often work across the revenue cycle, helping practices identify billing issues, submit accurate claims, follow up on unpaid accounts, and understand financial performance.

This guide explains the medical billing lifecycle, the responsibilities of a billing company, common challenges, and how billing activities fit together. It also looks at what practices should realistically expect from a billing partner.

Medical Billing Planet helps healthcare practices understand and manage their billing operations more effectively.

What Is a Medical Billing Company?

A medical billing company is an external company that manages some or all of a provider’s billing and revenue cycle services.

Instead of having a large billing department in-house, a practice can outsource some administrative functions to a specialized company.

The scope is well defined. Some companies specialize in claims and accounts receivable. Others provide more robust revenue cycle support.

What Does a Medical Billing Company Do?

At the most basic level, a medical billing company helps you move a healthcare claim through the revenue cycle.

This typically happens in a series of connected steps:

  1. Obtaining and analyzing patients’ data
  2. Checking whether a patient’s insurance will cover expenses.
  3. Checking the records and coding procedures.
  4. Making the claims.
  5. Checking the status of claims.
  6. Action taken for rejected claims.
  7. Entering patient and insurance payments.
  8. Collecting any remaining payments from the patients.
  9. Analyzing receivables.
  10. Providing a report on the billing operations.

The billing company does not replace the healthcare provider. Providers remain responsible for clinical decisions and accurate documentation.

Patient Registration and Demographic Data.

Medical billing teams may look at things like patient name, date of birth, address, insurance information, member identification number and other required demographic information.

Good data helps ensure that the claim is tied to the right patient and insurance plan.

Even a small error can create problems. Billing companies may identify these issues during their workflow, but the practice’s front desk remains an important part of the process. The best billing workflow starts with accurate registration information.

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Insurance Eligibility Verification

Eligibility verification determines whether a patient’s insurance coverage is active and whether the planned service may be covered under the patient’s benefits.

A billing team may review information such as:

  • Coverage status
  • Member information
  • Deductibles
  • Copayments
  • Coinsurance
  • Plan limitations
  • Referral requirements
  • Authorization requirements

Reviewing Documentation and Charges

A billing company generally should not invent clinical information. Instead, when information is incomplete, the issue may need to be returned to the appropriate practice staff or provider for clarification.

This is one reason communication between providers and billing teams matters. Billing personnel work from the information documented by the healthcare practice.

Accurate documentation also supports appropriate coding and provides evidence for the services reported to the payer.

Medical Coding and Charge Entry

Coding converts documented healthcare services and diagnoses into standardized codes used for billing and reporting.

Charge entry is the process of recording billable services in the practice’s billing system. The information may then be used to create a claim.

Coding is a specialized area. Errors can affect reimbursement and may result in claim rejections, denials, incorrect payments, or compliance concerns.

Depending on the billing services they provide, some billing companies use trained coding professionals. The requirements for medical coding, however, often differ by specialty and payer, so workflows should fit with the needs of the practice.

Claim Creation and Submission

Claims contain information about the patient, provider, services, diagnoses, insurance coverage, and other required details. Electronic claims commonly move through a clearinghouse before reaching the payer.

A clearinghouse can perform certain edits or formatting functions and may identify issues that prevent a claim from being accepted for processing.

The billing company monitors this stage because a claim that never reaches the payer cannot be adjudicated.

Timely and accurate submission is therefore a fundamental part of the billing cycle.

What Happens After a Claim Is Submitted?

Billing teams monitor claim status and review payer responses. If a claim is rejected because of a technical or data problem, the issue may be corrected and the claim resubmitted.

If a claim is denied after adjudication, the billing team needs to determine why.

This distinction matters. A rejected claim and a denied claim are not necessarily the same thing.

Denial Management

Denial management is one of the most important parts of the medical billing lifecycle.

Many reasons can trigger denials. Here are some of the more frequent causes:

  •         Patient information is incorrect
  •         Insurance is inactive
  •         Authorization is missing
  •         Coding errors exist
  •         Claims are declared too often
  •         There are eligibility issues
  •         Documentation is missing
  •         Filing is not timely enough
  •         Coverage is absent
  •         Some other issues exist regarding medical necessity

Appeals and Payer Follow-Up

The appeal process for denied claims may be initiated in cases where the payer’s ruling is contestable as per the prescribed laws and the supporting documentation is in place.

Payer follow-up can also refer to the cases where claims are neither settled nor paid.

This process entails the necessity of dealing with the claim’s current status, making inquiries with the payer’s contact persons, confirming the correspondence from the payer, and recording the results of communication.

Follow-up actions become of an increased significance when it comes to claims that are older than others. Failure to monitor claims may lead to their increased complexity in the process of recovery.

Payment Posting and Reconciliation

Payment posting is the process of entering the payer’s payment, contractual adjustments, patient responsibility and other relevant financial data into the billing system.

The amounts should be reconciled with the related claim and payment information.

Accurately posting payments allows the practice to better see what has actually been collected and what is still outstanding.

Patient Billing and Balances

Billing companies can help with generating patient statements, tracking balances and other administrative tasks. Exact duties will be subject to the agreement with the practice.
The patient billing should be clear and precise. Confused statements or inaccurate balances can lead to frustration and more billing inquiries.

Accounts Receivable Management

Accounts receivable, often called A/R, represents money that is still owed to the practice.

A billing company may organize A/R by factors such as:

  • Age of the balance
  • Insurance payer
  • Patient responsibility
  • Claim status
  • Specialty
  • Denial reason

A/R aging helps identify where unresolved money is sitting.

A/R management is therefore more than collecting old balances. It also helps practices identify weaknesses in their revenue cycle.

Reporting and Revenue Cycle Analytics

Billing companies can produce reports that may help practices understand their financial performance.

Typical metrics include:

  • Charges entered
    • Received payments
    • Modifications
    • Accounts receivable
    • Old age credits
    Denial rates
    • Claims denial rates
    • Trends in collection
    • Payer performance

    Good reporting links specific billings to the larger financial health of the practice.

What a Medical Billing Company Does Not Do

A billing company typically does not make clinical decisions. It does not establish what treatment is needed for a patient or what diagnosis should be recorded.

Providers are responsible for clinical documentation and the accuracy of information submitted.

The billing companies make no guaranty that every claim will be paid. Reimbursement from insurance companies is determined by payer contracts, patient benefits, medical necessity determinations, documentation, coding, authorizations, claim requirements, and other factors.

Why Claim Accuracy Matters

Claim accuracy affects more than a single payment.

When incorrect information enters the billing process, it can create additional work for the practice and billing team. A single issue may require correction, resubmission, payer follow-up, and additional documentation.

Repeated errors can create larger operational problems.

How HIPAA Applies to Medical Billing Companies

Common access to protected health information is a part of medical billing. Thus, HIPAA considerations are an important part of billing outsourcing.
Organizations that perform billing or claims-related functions for or on behalf of covered entities may be business associates, HHS says.

As a general rule, if a business associate handles PHI for a covered entity, the covered entity needs a proper business associate agreement.

The agreement defines permitted uses and disclosures of PHI and requires reasonable safeguards.

How to Choose a Medical Billing Company

Practices considering outsourcing should evaluate more than pricing.

Important questions include:

What Services Are Included?

A practice should understand exactly what the company handles. Does the agreement cover claims only, or does it include eligibility, payment posting, denial management, A/R follow-up, and reporting?

How Are Claims Monitored?

Ask how the company tracks rejected, denied, and unpaid claims. A clear workflow should exist for identifying unresolved accounts.

What Reporting Is Provided?

Practices need visibility into their billing activity. Ask which reports are available and how frequently they are delivered.

How Is PHI Protected?

A business must become more acquainted with its obligations regarding private medical information in accordance with HIPAA rules, established security protocols, and BAA documents.

Does the Company Understand the Specialty?

Different medical practices have different coding, documentation, payers, and authorization issues. Being experienced in a particular area makes the process of medical billing more effective and applicable.

Questions to Ask Before Outsourcing Billing

Before signing an agreement, practice leaders can ask:

  • Which billing functions are included?
  • Who handles rejected claims?
  • Who works on denied claims?
  • How are older A/R accounts handled?
  • What reports will the practice receive?
  • How frequently will billing performance be reviewed?
  • Which billing software or clearinghouse is used?
  • How is PHI protected?
  • Is a business associate agreement provided?
  • Who communicates with payers?
  • Who handles patient billing questions?
  • How are coding concerns escalated?
  • What happens when documentation is incomplete?

Clear answers help prevent misunderstandings later.

Final Thoughts

Understanding what a medical billing company does requires looking beyond claim submission. Medical billing is a connected process.

Each stage can affect the next. A problem at registration can become a claim rejection. A documentation issue can contribute to a denial. A missed follow-up can leave an otherwise collectible balance unresolved.

Medical Billing Planet aims to make the billing process easier to monitor and manage.

Frequently Asked Questions

How long does medical billing take?

There is no single timeline. A clean claim may move through the payer's process without significant delay, while a rejected or denied claim can take longer because it requires correction, resubmission, additional documentation, or an appeal.

Is it possible for a billing firm to provide its services for any medical specialty?

Various billing firms cater to various fields, though their proficiency level may differ. Medical practices should verify if the billing company has some knowledge in their area of expertise, the category of payers of patients, the type of coding necessary, and the typical complications with billing procedures.