Prior authorization stopped being purely an administrative problem on 1 January 2026. The CMS Interoperability and Prior Authorization Final Rule took operational effect that day, and it changed what practices can hold payers to.
That shift matters when choosing a partner. A vendor built around the old fourteen-day norm behaves differently from one built around a seven-day clock.
Key Takeaways
- CMS-0057-F took operational effect on 1 January 2026, cutting standard decision windows to seven calendar days and expediting to 72 hours.
- Payers must now give a specific denial reason rather than generic wording, which changes how appeals are built.
- The rule binds payers rather than practices, so its practical value is giving you a deadline to enforce.
- It covers Medicare Advantage, Medicaid, and CHIP plus Federally-Facilitated Exchange plans, and excludes prescription drug authorizations.
- FHIR-based API requirements follow on 1 January 2027.
- Vendors split into automation platforms and staffing models, and those solve different bottlenecks.
What Changed on 1 January 2026
The headline change is speed. Standard prior authorization decisions must now come within seven calendar days, cut from the fourteen many payers previously took, with expedited requests closing within 72 hours.
Denial transparency changed alongside it. Payers must give a specific reason for every adverse determination, ending generic responses that gave practices nothing to appeal against.
Scope is narrower than the coverage suggests. The rule applies to Medicare Advantage, state Medicaid and CHIP fee-for-service, Medicaid and CHIP managed care, and Qualified Health Plan issuers on the Federally Facilitated Exchanges.
Two exclusions matter. Prescription drug authorizations sit outside the rule entirely, and commercial plans are not directly regulated, although many are adopting similar standards and state laws often apply.
One point is widely misreported. These deadlines bind payers, not providers, so the practical benefit to your practice is a clock you can hold a payer to rather than a new obligation on you.
How These Were Compared
Each provider was assessed on delivery model, whether it automates or staffs the work, pricing transparency, integration with existing EHR and payer portal workflows, and fit for practice size.
Pricing in this category is frequently quote-only. Confirm current terms and compliance posture directly before sharing any patient data.
1. Wing Assistant
Wing Assistant takes the staffing approach rather than selling software. You get one dedicated prior authorization specialist working inside your existing EHR and payer portals rather than a platform you have to adopt.
Pricing is published and month-to-month, which is rare here. Part-time runs $650 per month for 80 hours and full-time $1,299 for 160 hours, with matching completed within 48 hours and no contract.
The daily workflow is the product. Your specialist reviews the procedure schedule, identifies missing authorizations, submits requests before procedures, follows up until the payer responds, then logs authorization numbers and updates approval statuses.
Scope covers five areas. Insurance pre-authorizations, referral coordination, medical necessity documentation, payer follow-ups including escalation of pending authorizations, and approval status management.
Follow-up is where this model earns its keep. Chasing a payer, noticing a submission rejected without notification, and escalating before a procedure date are tasks that require a person holding the file rather than a queue.
The specialist is dedicated rather than pooled, building familiarity with your payer mix, your providers, and your authorization workflows over time.
Compliance is documented. Wing operates HIPAA-compliant workflows and is ISO 27001 compliant and SOC 2 certified, with NDAs, role-based access controls, and patient data encrypted in transit and at rest with restricted, logged access.
As with any vendor touching protected health information, confirm Business Associate Agreement availability directly before onboarding. That applies equally to every provider on this list.
Best for: practices whose authorizations stall in follow-up rather than submission, and who want someone accountable inside their existing systems.
Consider: this is staffing rather than automation, so very high submission volumes may also warrant a platform alongside it.
2. Infinx
Infinx pairs automation with human review, which suits practices wanting throughput without losing the escalation layer. Its model routes straightforward authorizations through software and passes exceptions to specialists.
That hybrid structure fits the post-CMS environment reasonably well. Automated submission starts the decision clock quickly, while human review handles the denials that now arrive with specific reasons attached.
Best for: mid-sized practices and groups with steady volume across multiple payers.
Consider: pricing is not published, so budgeting requires a scoping conversation.
3. Waystar
Waystar approaches authorization as one module inside a broader revenue cycle platform. If you already run Waystar for claims and payments, adding authorization keeps everything in one system.
That integration is the main argument. Authorization status, claims, and remittance sitting together reduces the reconciliation work that separate systems create.
Best for: practices already using Waystar for revenue cycle management.
Consider: as part of a platform purchase, it is a heavier commitment than a standalone authorization solution.
4. Cohere Health
Cohere operates at the automation end and at significant scale, having run more than nine million authorizations through its APIs. It works on both the payer and provider sides of the transaction.
Scale matters for the 2027 API deadline. A vendor already processing authorizations through FHIR-style interfaces is positioned for the interoperability requirements arriving next January.
Best for: larger organizations and health systems with the volume to justify platform adoption.
Consider: the model suits enterprise scale, so smaller practices may find the implementation disproportionate.
5. SunKnowledge
SunKnowledge provides outsourced authorization services on an offshore delivery model at competitive price points. Its specialization is the differentiator rather than its breadth.
Durable medical equipment, home health, and pharmacy authorizations are where it concentrates. Those categories carry documentation requirements that generalist vendors handle poorly.
Best for: DME suppliers, home health agencies and practices with heavy pharmacy authorization volume.
Consider: the specialization cuts both ways, so confirm coverage if your mix sits outside those categories.
How to Choose
Start by identifying where authorizations actually fail. If requests go out late, automation helps, whereas if they go out on time and then sit unanswered, you need follow-up capacity rather than faster submission.
Then check integration honestly. A vendor working inside your existing EHR and payer portals costs less to adopt than one requiring workflow changes across your clinical team.
Finally, verify compliance properly. Ask about HIPAA workflows, whether the vendor holds SOC 2 or ISO 27001, how access is controlled and logged, plus whether a Business Associate Agreement is available.
Conclusion
The regulatory shift makes vendor choice more consequential than it was. Payers now operate against a defined clock, and the practices that benefit are those with someone actively tracking it.
Infinx suits hybrid volume, Waystar suits existing platform users, Cohere suits enterprise scale and SunKnowledge suits DME and home health specialization. Each solves a different version of the problem.
Wing Assistant fits practices where authorizations stall after submission rather than before it. At $650 monthly part-time with published pricing and no contract, it is also the only option here you can price before a sales call.
Work out whether your problem is submission speed or follow-up capacity. That answer narrows the list faster than any feature comparison.
Frequently Asked Questions
What are the CMS prior authorization deadlines now? Since 1 January 2026, impacted payers must decide standard requests within seven calendar days and expedited requests within 72 hours, with a specific reason required for every denial.
Does the rule apply to my commercial payers? Not directly. CMS-0057-F covers Medicare Advantage, Medicaid and CHIP plus Federally-Facilitated Exchange plans, though many commercial payers are adopting similar standards and state laws frequently apply.
Does it cover drug authorizations? No. Prescription drug prior authorizations sit outside CMS-0057-F, though CMS has separately proposed extending similar requirements.
What happens in January 2027? FHIR-based API requirements take effect, requiring impacted payers to support electronic prior authorization submission and tracking.
Should I choose automation or outsourced staff? It depends where your bottleneck sits. Automation accelerates submission, while staffing addresses follow-up, escalation and the payer phone calls that software cannot make.
Can AI handle prior authorization? Partly. It can flag missing documentation and pre-populate forms but cannot call a payer to chase a pending authorization or notice a rejection that arrived without notification.
