Summary
Outsourcing medical billing is easier with a structured transition. Learn what happens during the first 90 days, including onboarding, parallel claim processing, legacy AR cleanup, and performance tracking. Discover how Synergy HCLS helps practices maintain cash flow and improve billing performance.
Book a Free Consultation Today!The biggest concern practices have about outsourcing medical billing isn’t the cost. It’s the transition: what happens to claims already in progress while a new billing team gets familiar with the workflow. That transition can be smooth, but only when it follows a structured process instead of a sudden cutover.
Here’s what the first 90 days generally look like, phase by phase, so you know exactly what to expect during the switch.
The first 90 days of outsourcing medical billing are typically divided into four stages: onboarding and system access (days 1–14), a parallel run where new claims are handled by the new billing team (days 15–30), legacy AR cleanup (days 31–60), and performance benchmarking against the original baseline (days 61–90).
Transition Timeline Benchmarks
| Metric | Benchmark | Source |
|---|---|---|
| Full transition timeline | 30–60 days | MGMA DataDive |
| System and payer access setup | 5–14 days | HFMA MAP Keys |
| Parallel run duration | 2–4 weeks | MGMA DataDive |
| Legacy AR cleanup window | 30–45 days | HFMA MAP Keys |
| Time to first measurable improvement | 30 days | Black Book Market Research |
| Time to stabilized performance | 60–90 days | Black Book Market Research |
| Pre-transition first-pass acceptance rate | 80%–88% | MGMA DataDive |
| Synergy HCLS client first-pass acceptance rate | 95% | Synergy HCLS internal data |
| Pre-transition AR days | 55–70 days | HFMA MAP Keys |
| Synergy HCLS client AR days (90-day average) | 36 days | Synergy HCLS internal data |
| Synergy HCLS onboarding time | As few as 6 days | Synergy HCLS internal data |
| Claim accuracy rate (Synergy HCLS clients) | 99% | Synergy HCLS internal data |
Days 1–14: Onboarding and System Access
The first two weeks focus on administration rather than clinical work. Your new medical billing partner requires access to your practice management system or EHR billing module, clearinghouse credentials, and payer portal logins. A reliable partner clearly documents every access request and explains why it is needed instead of requesting unrestricted administrative permissions from the beginning.
During this stage, the billing team also reviews your payer mix, existing denial trends, and outstanding accounts receivable. This work establishes the baseline against which your day-90 performance will be measured.
Days 15–30: The Parallel Run
This is the stage that causes the most concern for practices because it directly affects cash flow. New claims begin moving through the incoming billing team while older claims continue to be worked by either your in-house staff or through a coordinated handoff supported by a detailed aging report.
Daily claim volume monitoring during this period helps identify issues quickly. If claims are not submitting correctly, the problem should become visible within a day or two instead of several weeks later when expected payments fail to arrive.
Will claims stop getting paid during the transition?
No. When managed correctly, the parallel run is specifically designed to avoid interruptions in payment while responsibility gradually shifts to the new billing team.
Days 31–60: Clearing the Legacy Backlog
Every practice starts the transition with existing accounts receivable, and this stage focuses on reducing that backlog. Aging claims are prioritized based on claim value and timely filing deadlines so that the highest-value and most urgent accounts receive attention first.
Meanwhile, new claim submissions should begin stabilizing. Denial trends identified during the first month are reviewed and corrected, whether they involve coding errors, missing modifiers, or payer-specific documentation requirements.
Days 61–90: Performance Benchmarking
By the end of the first 90 days, measurable performance improvements should be evident. First-pass acceptance rate, denial rate, and AR days are compared against the baseline established during onboarding. If these key metrics have not improved by this point, the issue should be discussed directly with your billing partner.
This stage is also when reporting typically shifts from transition-focused updates to standard monthly performance reviews covering collections, denial patterns, and payer-specific trends.
How do I know if the transition is going well?
Monitor first-pass acceptance rate, denial rate, and AR days every week. Positive movement across all three metrics by day 60 generally indicates that the transition is progressing successfully.
What Usually Goes Wrong (and How to Avoid It)
Most transition challenges stem from two common issues: unclear responsibility for legacy AR and payer enrollment information that was not fully verified before claims started processing. If ownership of older accounts is not clearly assigned during the transition, those claims may remain untouched until they approach or exceed timely filing deadlines.
Payer enrollment issues often appear during the second or third week as claim rejections related to EFT or ERA configurations that were never fully activated before the new billing team began submitting claims. Confirming these details during onboarding instead of after the first rejection helps prevent unnecessary delays.
What happens to unpaid claims from before the switch?
Outstanding claims should either continue being worked alongside the transition or be transferred with a detailed aging report so the new billing partner can continue follow-up without losing visibility into open balances.
How Synergy HCLS Runs the First 90 Days
Synergy HCLS onboards new practices in as few as six days, completing payer enrollment verification before any new claims are submitted. The medical billing team provides weekly reporting throughout the transition rather than limiting updates to day 30 and day 90, allowing practices to monitor progress continuously. Legacy AR receives focused denial management during the cleanup stage instead of being delayed behind new claim submissions.
Clients typically achieve first-pass acceptance rates of 95%, while AR days average approximately 36 by the end of the 90-day transition period.
A 90-Day Transition Checklist
☐ Confirm practice management and EHR billing access is granted
☐ Verify clearinghouse credentials are active
☐ Confirm payer enrollment and EFT/ERA setup for every active payer
☐ Pull a baseline report on denial rate, AR days, and first-pass acceptance
☐ Assign clear ownership of legacy AR follow-up
☐ Set a start date for the parallel run
☐ Schedule weekly check-ins for the first 30 days
☐ Review denial patterns at the 30-day mark
☐ Track legacy AR balance weekly until cleared
☐ Compare day-90 metrics against baseline
About Synergy Healthcare
Synergy Healthcare & Life Sciences (Synergy HCLS) is a USA-based leading medical billing and coding outsourcing company, specializing in Revenue Cycle Management (RCM) solutions.
With over 25 years of combined experience, Synergy HCLS helps physicians, clinics, and healthcare organizations improve cash flow, reduce denials, and ensure HIPAA-compliant documentation.
Their services include medical billing, medical coding, physician credentialing, accounts receivable management, transcription, and record summarization, making them a trusted partner for healthcare providers across multiple specialties.
Frequently Asked Questions
Most practices complete the transition within 30 to 60 days, while the first 90 days include onboarding, a parallel run, and initial performance stabilization.
Will claims stop getting paid during the transition?
No. When managed properly, a short parallel-run period keeps existing claims moving while new claims are processed through the new billing partner.