Every healthcare practice reaches a point where billing becomes a burden. Whether you’re a solo physician drowning in AR follow-up or a growing group practice struggling to keep up with payer rule changes, the question is the same: should you handle billing in-house, or outsource it to a professional medical billing company?
There’s no single right answer — it depends on the size of your practice, your current denial rates, your administrative costs, and your growth plans. This guide breaks down the honest pros and cons of each approach so you can make the best decision for your practice.
What Is In-House Medical Billing?
In-house billing means your practice employs its own billing staff — coders, billers, and AR specialists — who handle claim submission, payment posting, denial management, and patient billing. They typically use a practice management system or EHR with built-in billing tools.
What Is Outsourced Medical Billing?
Outsourced billing means partnering with a third-party medical billing company that manages your entire revenue cycle on your behalf. The billing company handles everything from claims scrubbing and submission to payment posting, denial appeals, and reporting — typically in exchange for a percentage of collections or a flat monthly fee.
The Real Cost Comparison
Many practices underestimate what in-house billing actually costs. Here’s a realistic picture:
In-House Billing Costs
- Salary and benefits — A full-time medical biller earns $40,000–$55,000/year. Add benefits, payroll taxes, and PTO and you’re looking at $55,000–$70,000 per FTE.
- Training and certifications — Coding certifications and ongoing education cost $1,000–$3,000 per employee annually.
- Software and clearinghouse fees — Practice management software, clearinghouse fees, and billing tools can add $5,000–$15,000/year.
- Turnover costs — Billing staff turnover is high. Each replacement costs an estimated 50–75% of the employee’s annual salary in recruiting and retraining.
Outsourced Billing Costs
- Percentage-based fees — Most billing companies charge 4–9% of net collections, meaning you only pay when you get paid.
- No software costs — The billing company provides its own technology, clearinghouse connections, and tools.
- No HR overhead — No salaries, benefits, turnover, or training costs to manage.
For a practice collecting $500,000 annually, in-house billing might cost $75,000–$90,000 all-in. Outsourced billing at 7% of collections would cost $35,000 — and often results in higher collections due to lower denial rates and faster follow-up.
Denial Rates and Revenue Impact
This is where the real difference shows up. In-house billing teams at smaller practices typically see claim denial rates of 10–15%. Professional billing companies with dedicated denial management teams and claims scrubbing technology can achieve first-pass acceptance rates of 95–98%.
On a practice collecting $500,000, reducing the denial rate from 12% to 3% recovers $45,000 in previously lost revenue — often more than enough to cover the cost of outsourcing entirely.
When In-House Billing Makes Sense
- You’re a large health system with enough volume to justify a full billing department (typically 10+ FTEs).
- You have a highly specialized billing need that requires deep in-house institutional knowledge.
- You already have low denial rates (<5%) and a stable, experienced billing team.
- You want maximum control over your billing data and processes.
When Outsourcing Medical Billing Makes Sense
- You’re a solo practitioner or small practice (1–5 providers) where billing staff is a significant overhead burden.
- Your denial rate is above 5%, or your AR days are climbing.
- You’re experiencing billing staff turnover and it’s affecting collections.
- You want to scale your practice without scaling your administrative overhead.
- You’re expanding into new payers or specialties and need immediate expertise.
A Hybrid Approach
Some practices choose a middle path — keeping a small in-house team for patient-facing billing tasks (co-pay collection, patient statements) while outsourcing the more complex payer billing and AR follow-up to a professional billing company. This can be a good transitional arrangement as your practice grows.
How TBC Solutions Approaches This
At TBC Solutions, we work with practices of all sizes — from solo physicians to large multi-specialty groups. We customize our RCM services to fit your specific needs, whether that means taking over your entire billing operation or handling specific components like denial management or coding.
We offer a free billing audit that benchmarks your current performance against industry standards, identifies gaps, and gives you a clear picture of what outsourcing could mean for your revenue — with no commitment required.
Bottom Line
For most small and mid-sized practices, outsourced medical billing delivers better financial outcomes at a lower total cost than in-house billing. But the right decision depends on your specific situation. Start by calculating your true in-house billing cost, measuring your current denial rate, and comparing it against what a professional billing partner could offer.
Ready to see what outsourcing could do for your practice? Schedule a free demo with TBC Solutions and we’ll walk you through the numbers.