The medical billing outsourcing market in the United States is valued at more than $16 billion annually, according to IBIS World, and has grown at a compound annual growth rate of 6.8 percent since 2020 as independent practices, physician groups, and specialty clinics increasingly outsource revenue cycle management rather than maintain internal billing departments. For independent billing companies managing 20, 50, or 100 provider clients, the operational challenge is throughput: how to process growing claim volumes accurately and on time without adding full-time certified coders or billing specialists for every new client.
Where Billing Companies Get Bottlenecked
Independent billing companies typically employ certified coders and billing specialists for charge review, coding, and complex denial management. But a significant share of daily work — claim status checks, eligibility verification before submission, denial queue logging, payment posting support, and monthly client report compilation — is high-volume, process-driven work that skilled billing staff are chronically overloaded with alongside their primary responsibilities.
The Healthcare Financial Management Association (HFMA) estimates that administrative overhead functions in revenue cycle — defined as work not requiring coding certification or clinical knowledge — account for 35 to 45 percent of total billing staff time. That is time that could be redirected to complex denials, charge audits, and client relationship management if process-driven tasks were delegated to a trained VA.
What a Virtual Assistant Does in a Billing Company
Billing company VAs work within RCM platforms such as Kareo, CollaborateMD, AdvancedMD, DrChrono, or eClinicalWorks Billing, alongside payer portals and client communication tools. Their core responsibilities include:
Claim status tracking and follow-up. The VA works the outstanding claims report daily, checking payer portals and clearinghouse dashboards for claims approaching the 30-day pending threshold. Claims showing as "in process" beyond 21 days are escalated with a formal follow-up call or portal message to the payer. Results are logged in the billing platform.
Eligibility verification support. Prior to claim submission, the VA runs batch eligibility checks through the clearinghouse, identifies coverage discrepancies flagged by the system, and routes cases requiring manual resolution to the billing specialist team. This pre-submission scrubbing reduces payer rejections due to eligibility errors.
Denial queue management. When remittance advice returns denial codes, the VA logs each denial by code category — CO-4, CO-97, CO-50, PR-1 — in the denial tracking log, identifies patterns across clients or payer types, and routes each denial to the appropriate workflow: coding review, medical necessity appeal, or patient balance transfer. The VA does not perform coding work but manages the queue so nothing ages past appeal deadlines.
Payment posting support. For billing companies using manual or semi-automated payment posting workflows, the VA assists by logging ERA line-item details into the tracking system, flagging underpayments against the fee schedule, and reconciling daily deposit reports with the billing platform's payment records.
Client reporting. Each month, billing company clients expect a performance report covering claims submitted, payments received, outstanding AR by aging bucket, denial rate, and collections as a percentage of net charges. The VA pulls the raw data from the billing platform, populates the report template, and sends the formatted report to each client account on schedule.
The Economics of VA-Augmented Billing Operations
MGMA benchmarks revenue cycle management staff at $45,000 to $62,000 annually for certified billing specialists. A VA supporting eligibility verification, claim status tracking, denial logging, and reporting at a fraction of that cost allows billing companies to maintain or improve service quality while reducing per-client staffing costs. Companies report that a single VA with billing workflow training can support the administrative overhead of 15 to 25 active provider clients, allowing billing specialists to focus exclusively on high-value coding and appeal work.
Connect with a healthcare virtual assistant at Stealth Agents to staff a medical billing VA experienced in claim tracking, denial queue management, and client reporting workflows.
Sources
- IBIS World, Medical Billing Outsourcing Market Report, 2025
- Healthcare Financial Management Association (HFMA), Revenue Cycle Staffing Efficiency Survey, 2025
- Medical Group Management Association (MGMA), Revenue Cycle Compensation Benchmarks, 2025
- American Academy of Professional Coders (AAPC), Denial Management Best Practices Guide, 2025