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Answer First: One LME/MCO, 47 Counties, and a Very Short Runway
If you contract with Vaya Health or Partners Health Management in North Carolina, you have until October 1, 2026 to audit both agreements, reconcile your roster, and stress-test your payer mix. On that date the two LME/MCOs become a single entity called Vaya Partners, and the combined network team will start harmonizing rates, medical necessity criteria, and authorization pathways across a footprint that did not exist before.
NC DHHS Secretary Devdutta Sangvai approved the consolidation on May 22, 2026, contingent upon completion of a successful readiness review. The combined organization will operate as Vaya Partners and serve more than 222,000 members across 47 North Carolina counties, and Vaya currently serves a 32-county region, while Partners covers 15 counties. The merged plan will be the state’s largest publicly governed behavioral health organization for members with SMI, severe SUD, I/DD, and TBI needs.
The math changed overnight for operators from Asheville to Gastonia to Hickory. One network team. One medical policy shop. One credentialing queue. One prior authorization workflow standing between a lot of MH, SUD, and I/DD providers and their cash. Three residential SUD operators in western NC called us in the first week after the announcement asking the same question: does my existing Vaya contract survive intact, and if it does, at what rate?
The short answer is that contracts generally assign to the surviving entity, but the fee schedule, the medical necessity criteria, and the auth pathway behind that contract are all in play. Vaya CEO Tracy Hayes framed the deal as “a shared vision of a stronger health plan that will bolster North Carolina’s public behavioral health/IDD/TBI system”. Read that as a policy statement. Now read your contract.
Contract Continuity Is Not the Same as Rate Continuity
Operators keep conflating two different risks. Risk one: does my contract legally survive the merger. Risk two: do my rates, my covered codes, and my authorization rules survive the merger. The first is almost always yes through assignment and successor language. The second is almost always negotiable, and the combined network team knows it.
Both organizations have already told the field that contracted providers will continue to operate as they do today, with no immediate changes to participation, billing, or administrative processes. Read the word “immediate” carefully. It does not mean permanent. Partners has told providers explicitly to keep working through current processes until further notice, and Vaya and Partners are reviewing both organizations’ provider portal platforms and related systems to determine the best approach for the combined organization. The provider network is being reviewed carefully in an effort to combine networks in a way that supports member access, provider stability, and continuity of care. That is the review that will produce the harmonized fee schedule.
Pull your Vaya or Partners agreement today. Find three things:
- The assignment and change-of-control clause.
- The amendment notice period (most we have reviewed run 60 or 90 days for material fee schedule changes).
- The termination-without-cause window, which for NC LME/MCO contracts we have seen as short as 60 days.
If your allowable for ASAM Level 3.7 residential withdrawal management was negotiated up to a respectable number under one legacy plan and the other legacy plan paid 18 to 22 percent less for the same service, assume the combined network team will propose harmonizing downward unless you push back with utilization data, outcomes data, and a credible alternative. Operators have roughly one cycle to have that negotiation before the harmonized fee schedule becomes the new baseline everyone references.
Re-Credentialing, Roster Hygiene, and the Claims Workflow Cliff
Every MCO integration we have supported, in NC and elsewhere, produces the same operational casualty. Clean claim rates crater for 60 to 120 days while provider data, taxonomy codes, service location NPIs, and authorization templates get reconciled between two legacy systems. During one Medicaid plan consolidation in another state, we watched clean claim rates drop from the mid-90s to the low 70s, and days in AR stretch from 38 to 61 before things stabilized. Plan for that. Do not get surprised by it.
The playbook is unglamorous. Pull your current roster from both legacy plans and reconcile every rendering provider, every supervising clinician, every site address, and every taxonomy. Confirm your re-credentialing cycle dates with the combined entity in writing, not by phone. If you are licensed across multiple service lines (outpatient, PHP at ASAM Level 2.5, IOP, residential, withdrawal management), confirm each line is loaded under the surviving plan’s product IDs before you submit a single post-merger claim.
The denial rate spike during these transitions is almost always a data problem, not a medical necessity problem. The appeals burden lands on your billing team. Staff it accordingly.
Tailored Plan Dynamics and the Single-Dominant-MCO Problem
NC DHHS designed the Behavioral Health and I/DD Tailored Plan structure so beneficiaries with serious mental illness, severe substance use disorders, I/DD, and TBI would get physical health, pharmacy, care management, and behavioral health services through a single LME/MCO. Tailored Plans are a new kind of NC Medicaid Managed Care health plan for approximately 210,000 beneficiaries with a serious mental illness, a serious emotional disturbance, a severe substance use disorder, an intellectual/developmental disability or a traumatic brain injury in North Carolina, and launched July 1, 2024 under Alliance Health, Partners Health Management, Trillium Health Resources and Vaya Health. Four plans becomes three when Vaya Partners goes live.
The policy theory was reasonable. The market consequence of consolidation is that one MCO now holds outsized influence over rate-setting, medical necessity interpretation, and network adequacy decisions across a huge chunk of the state. Operators should stress test their payer mix against this reality. If more than 55 to 60 percent of your revenue flows through the combined Vaya Partners entity, your lender, your buyer, or your own board should be asking about concentration risk.
We are advising clients to model two scenarios: a 7 percent harmonized rate reduction across the top five CPT and HCPCS codes you bill, and a 15 percent slowdown in authorization turnaround during the integration window. Run those numbers against your cash position. If the answer is uncomfortable, you have a diversification problem to solve before the harmonized fee schedule lands, not after.
One enforcement wrinkle worth knowing. On May 15, 2025 the Departments of Labor, HHS, and Treasury announced they will not enforce the 2024 Final Rule or otherwise pursue enforcement actions, based on a failure to comply that occurs prior to a final decision in the litigation, plus an additional 18 months. The same statement is explicit that MHPAEA’s statutory obligations, as amended by the CAA, 2021, continue to have effect. The requirement to perform an NQTL comparative analysis and furnish it upon request from the Departments remains enforceable. Your appeal rights did not disappear either.
The Operator-Side Playbook for the Next 90 Days
Here is what our team at Atlantic Health Strategies is telling NC operators to do, in order, starting this week.
- Contract audit. Pull both legacy agreements, map every fee schedule line, flag every code where the two plans paid differently, and identify which rate you want to defend.
- Payer-mix stress test. Model revenue and AR impact under a harmonized downward rate scenario and an authorization-delay scenario. Share the model with your CFO and your board.
- Roster and credentialing reconciliation. Submit a clean, current roster to the combined network team with every rendering provider, site, taxonomy, and service line confirmed. Get written confirmation of loaded status before the October 1, 2026 integration date.
- Proactive engagement. Request an introductory meeting with the combined entity’s provider network team. Bring outcomes data, length-of-stay data, readmission data, and a clear ask. Do not wait for them to call you, because they will not.
- Parity and appeals readiness. Train your UR team on MHPAEA-grounded appeal language now, before the first wave of post-merger denials arrives.
One last thing. The operators we have supported through plan consolidations in other states, and through three-state, five-facility Joint Commission surveys this spring, all share one trait. Their executive teams treated the integration window as a project with a named owner, a weekly standup, and a dashboard. Operators who staff this work get through it. Operators who hope it sorts itself out lose six to nine months of margin.
Frequently asked questions
When does the Vaya Health and Partners Health Management merger take effect?
The consolidation is effective October 1, 2026, contingent upon a successful readiness review by NC DHHS. Secretary Devdutta Sangvai approved the deal on May 22, 2026, and the combined entity will operate as Vaya Partners.
How large will Vaya Partners be?
Vaya Partners will serve more than 222,000 members across 47 North Carolina counties, combining Vaya Health’s 32-county footprint with Partners Health Management’s 15-county footprint. It will be the state’s largest publicly governed behavioral health organization for members with serious mental illness, severe SUD, I/DD, and TBI needs.
Will my existing Vaya or Partners provider contract survive the merger?
Both organizations have publicly stated contracted providers will continue to operate with no immediate changes to participation, billing, or administrative processes. In almost every LME/MCO consolidation, contracts assign to the surviving entity through change-of-control and successor language. Rate schedules, covered codes, medical necessity criteria, and authorization pathways, however, are all subject to harmonization. Operators should pull both legacy agreements now, identify the higher-paid rate on each code, and prepare to defend it with utilization and outcomes data before the harmonized fee schedule is proposed.
Does MHPAEA still protect behavioral health providers after the 2024 Final Rule enforcement pause?
Yes. On May 15, 2025 the Departments of Labor, HHS, and Treasury paused enforcement of provisions new to the 2024 MHPAEA Final Rule pending litigation plus an additional 18 months, but the underlying statutory obligations and the 2013 final rule remain in effect. The NQTL comparative analysis obligation under the CAA, 2021 continues to apply, along with appeal rights and network adequacy parity requirements.
References
- Partners Health Management: Vaya Health and Partners Health Management Announce Merger (May 22, 2026)
- Vaya Health: Vaya Health and Partners Health Management Merger announcement
- Partners Health Management Provider Knowledge Base: Merger FAQ for Providers
- citybiz: Vaya Health and Partners Health Management Approve Merger to Form North Carolina’s Largest Behavioral Health Organization
- Behavioral Health Business: North Carolina Behavioral Health MCOs Vaya Health, Partners Health Management to Merge
- NCDHHS Press Release: July 1 Launch of Behavioral Health and I/DD Tailored Plans
- NC Medicaid: Tailored Plan Launch Announcement (April 2024)
- U.S. Departments of Labor, HHS, and Treasury: Statement Regarding Enforcement of the 2024 MHPAEA Final Rule (May 15, 2025)