How long does it take to switch billing companies?

Typically 30–90 days depending on data migration complexity and open AR volume.

What happens to my open AR when I switch?

A clear plan must be agreed upfront — decide who works existing aged claims before signing any new contract.

Complete Guide — Highest Purchase Intent

How to Switch Medical Billing Companies Without Losing Revenue

By the ABA Editorial Team·Updated June 2026

Quick Answer

Switching medical billing companies is a high-stakes transition that requires careful planning to protect cash flow continuity. A structured approach — including a parallel-run period where both systems operate briefly — prevents revenue gaps and ensures no claims fall through the cracks during the change.

1.Why practices switch billing companies
2.When is the right time to switch
3.The 6-step transition playbook
4.What to look for in a new billing partner
5.Protecting cash flow during the switch

Why Practices Switch Billing Companies

Denial rates that never improve despite promises
Poor communication — you chase them for updates, not the other way around
AR that keeps aging with no clear follow-up plan
Hidden fees or unexpected cost increases
No reporting, no analytics, no visibility into what's happening
Errors that cost more revenue than the service saves

When Is the Right Time to Switch?

There's rarely a "perfect" time — and the fear of disruption is what keeps practices stuck with underperforming vendors for years longer than they should be. The right time is when the gap between what you're paying and what you're actually collecting is clearly costing you more than a transition would.

Calculate it: if your current vendor's poor performance is costing you 2% of collections on a $3M practice, that's $60,000/year in avoidable revenue loss. A transition costs far less than that.

The 6-Step Transition Playbook

Document your current state. Denial rate, AR days, net collection rate — your baseline. You can't measure improvement without knowing where you started.
Vet the new partner thoroughly. References from practices in your specialty, demonstrated results, HIPAA compliance documentation, transparent pricing.
Plan the data migration. Patient data, claim history, open AR — nothing left behind. Get a written migration plan before signing anything.
Run parallel briefly. Overlap old and new operations to ensure continuity before fully cutting over. This is your insurance policy against the transition gap.
Transfer open AR with a clear plan. Decide upfront who works existing aged claims — your old vendor, your new vendor, or your internal team. This is the most common transition failure point.
Monitor closely post-transition. Watch denial rate and AR days weekly for the first 90 days. Catch problems early before they compound.

What to Look For in a New Billing Partner

Demonstrated results — not just promises. Ask for references in your specialty.
Experience in your specific specialty and payer mix
Transparent reporting and communication — you should never have to chase them for data
Clear, honest pricing with no hidden fees
HIPAA compliance and security — especially critical for offshore partners
A real, written transition plan — not "we've done this before"

Protecting Cash Flow During the Switch

The parallel-run period is the single most important cash flow protection in any billing transition. By briefly overlapping old and new operations, you ensure claims keep flowing without a gap. The cost of a few weeks of overlap is trivial compared to the cost of a claim backlog or a missed filing deadline during a hard cutover.

A good partner will insist on this approach. A partner who wants to rush the transition is telling you something important about how they operate.

Frequently Asked Questions

Not with a proper transition plan. A parallel-run period where both systems briefly overlap ensures claims keep flowing and nothing falls through the cracks during the handoff.

Typically 30–90 days depending on data migration complexity, open AR volume, and how quickly both parties can execute the transition plan.

A clear plan must be agreed upfront — who works existing aged claims (old vendor, new vendor, or internal team) must be decided before signing any new contract. This is the most common transition failure point.

Demonstrated results in your specialty, transparent reporting, honest pricing, HIPAA compliance, and a real written transition plan. References from practices in your specialty are non-negotiable.

When the gap between what you're paying and what you're collecting clearly costs more than a transition would. For most practices with underperforming vendors, that gap is larger than the transition cost.

ABA

ABA Editorial TeamAmerican Billing Association · 20+ Years of Combined RCM Experience

The ABA editorial team has guided dozens of practices through billing company transitions, protecting cash flow and recovering revenue during every handoff.