dentists discussing on medical report in clinic
dentists discussing on medical report in clinic
Blog
September 16, 2025

The Hidden Complexity of AP in Dental Service Organizations (and How to Get it Right)

by The Ottimate Editorial Team

Dental service organizations (DSOs) are transforming the business of dentistry. By taking on non-clinical functions like HR, marketing, and accounting, DSOs free dental professionals to focus on what they do best: delivering high-quality patient care. 

But with so many practices to support, things can get complicated fast – especially when it comes to accounts payable. A single dental practice might process hundreds of invoices each month, from lab work to equipment maintenance to everyday supplies (yes, even those toothpaste samples in the waiting room). Multiply that across dozens (or even hundreds) of locations, and AP quickly becomes a major operational headache. 

For DSOs, AP is central to scaling smoothly, staying compliant, and keeping costs under control. Yet outdated practices simply can’t keep up – especially for organizations looking to grow.  

In this post, we’ll explore why AP is uniquely complex for DSOs and what modern, future-ready AP can look like for these growing organizations. 

The unique AP challenges for DSOs – and why they matter

Let’s face it: AP can be a headache in just about any industry. But for DSOs, it’s uniquely challenging. 

DSOs juggle massive invoice volumes, countless vendors, and strict compliance requirements. This might all be manageable (though tedious) for a single dental office. But as a DSO scales, it quickly turns into a high-stakes operation.

Here are some of the biggest hurdles DSOs face when it comes to AP – and the risks that come with them.

1. Thousands of invoices of every shape and size

Each month, DSOs process thousands of invoices, from patient lab work and new dental chairs to office supplies and free toothbrushes.

And those invoices don’t all arrive neatly packaged. Every vendor has its own invoice format and submission channel, making standardization feel nearly impossible. 

2. So many practices, so little visibility

Running AP for one dental practice is complicated enough. Multiply that across hundreds of locations, each with its own workflows and vendors, and things get dicey – fast.

Without centralized visibility, invoices slip through the cracks, approvals drag on, and finance leaders lack real-time insight into spending across the network. 

3. Scale that adds complexity, not efficiency 

Sure, scale can bring better purchasing power. But it also brings more suppliers, more invoices, and more manual steps. Instead of creating efficiency, growth often magnifies bottlenecks. 

4. Compliance that can’t be ignored 

Some invoices include patient data. For example, an invoice might come in from a third party lab that made a crown for a specific patient. 

In cases like these, PHI and HIPAA risks come into play. As DSOs expand, so does the potential for compliance gaps, making outdated AP processes a real liability.

5. Financial risks that add up fast

Manual AP doesn’t just slow things down for DSOs. It directly impacts the bottom line.  

Late payments mean missed discounts, extra fees, and strained vendor relationships. Errors lead to duplicate or incorrect payments. Regulatory fines are always a possibility. Multiply those risks across every practice you support, and the impact is significant.

Left unchecked, these challenges hold DSOs back. But it doesn’t have to be that way. With AI-powered AP automation, DSOs can take control of AP – and even turn it into a foundation for scalable, compliant growth. 

AI-powered AP automation: What “great” looks like for DSOs

While manual AP is a source of headaches for DSOs, AI-powered AP automation offers a powerful remedy. It allows DSO finance teams to trade tedious, error-prone processes for streamlined workflows that support growth. 

Here’s a look at what great AP can look like 

AI that does the heavy lifting 

Processing invoices takes a lot of time and effort. From invoice capture to coding to routing approvals, AI can now handle tasks that once required hours of manual work. It recognizes different formats, reduces bottlenecks, and frees up staff to work on higher-value work. 

Centralized workflows across the network

As DSOs expand, patchwork processes often become the norm. That never ends well.

With centralized AP, every practice follows consistent policies and workflows. This reduces errors, speeds approvals, and gives finance leaders a single, real-time source of truth.

ERP integrations that fit existing systems

Better DSO AP doesn’t mean starting from scratch. The best AP automation tools integrate with ERPs DSOs already rely on – like NetSuite, Sage, and Acumatica – making adoption smooth and scalable. 

Compliance baked in

In some cases, invoices include patient information, which raises PHI and HIPAA concerns. DSO AP automation platforms with built-in compliance controls – like PHI reduction and HIPAA-audited servers – help DSOs stay protected and audit-ready.

Real-time financial visibility

Finance leaders can’t afford to wait until close to see where they stand. Dashboards and anomaly detection provide these leaders with instant insights into spending across all practices. Because DSOs have visibility into where money is going, they can make smarter decisions and avoid financial surprises. 

For DSOs, modernizing AP isn’t just about saving time. It’s about building a foundation for scalable growth, tighter cost control, and stronger compliance. With AI-powered automation in place, AP transforms from a back office burden into a strategic driver of efficiency and growth. 

Why it matters: The benefits of modern AP for DSOs

Modernizing AP has a direct impact on efficiency, compliance, and growth. Here’s what the payoff looks like.

Efficiency and scalability

Automation lets DSO teams process a large (and growing) volume of invoices without adding headcount. Less time spent on data entry means more time focused on work that drives the business forward. 

Cost control

With manual AP, human error is inevitable. Smarter AP reduces duplicates and fraud, ensures invoices are coded correctly, and helps DSOs capture vendor discounts and avoid late fees. 

Improved accuracy

AI adds stronger controls, featuring automatic GL coding and three-way PO matching. That reduces costly mistakes and ensures records are audit-ready.

Compliance and security

Invoices with patient information bring HIPAA and PHI compliance into play. Automation with built-in PHI redaction safeguards sensitive data, ensures compliance, and protects DSOs from penalties and reputational damage. 

Fuel for strategic growth

By offloading tedious tasks, AP automation frees finance teams to focus on more strategic initiatives – like supporting expansion, negotiating stronger vendor contracts, and improving margins.

In short, modern AP doesn’t just help DSOs keep up. It gives them the tools to scale efficiently, stay compliant, and grow with confidence. 

It’s time to modernize your DSO AP workflow

For DSOs, AP isn’t just a back office task. It’s a foundation for growth, compliance, and cost control. The DSOs that modernize now will be best positioned to scale smoothly and successfully in the years ahead. 

Don’t let outdated AP processes hold your DSO back. Schedule a live demo today to see how Ottimate can help you move to smarter, more efficient AP that boosts profitability.