When Your Health Plan Changes but Your Treatment Doesn't

By Lindsay Loomis, Chief Business Officer, Emry Health

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Most families assume the hardest part of managing a serious health situation is the diagnosis. Then the HR email arrives, the one announcing the company is switching insurance carriers on January 1st. It can come the same week as a chemotherapy re-authorization, or in the third month of a long hospitalization.

This is one of the most disorienting things that can happen to a family managing a serious health situation. The care itself doesn't pause. The specialist appointments don't stop. The medications that require prior authorization every 90 days still need to be filled. But the entire administrative infrastructure supporting that care has just been handed to a new carrier that knows nothing about the case, and is under no obligation to honor what the previous one approved.

It happens more often than most people expect. Employers change health plans regularly, often driven by premium pressure: average family premiums reached $26,993 in 2025, up 6% from the prior year, according to the KFF Employer Health Benefits Survey. When a company is sold, merges, or restructures its benefits, plan transitions can happen mid-year, mid-treatment, mid-crisis.

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What Happens to Your Prior Authorizations and Prescriptions When Your Employer Changes Insurance Plans

Prior authorizations are the most immediate casualty. Every approval is specific to the insurer that granted it, a prior authorization from Cigna isn’t recognized by UnitedHealthcare. When a plan changes, any open authorization must be re-submitted and approved under the new carrier's criteria, which may be entirely different. The American Medical Association's 2025 prior authorization survey found that 95% of physicians say prior authorization delays access to necessary care, and more than one in four report it has contributed to a serious adverse event, including hospitalization, permanent impairment, or death. When a plan transition forces every authorization to restart simultaneously, those delays stack.

Formularies change too. A specialty medication that was a manageable co-pay under one plan may shift to a higher tier, or disappear from coverage, under the next. Families who maintain prescriptions across multiple locations face additional exposure: if the new plan's pharmacy network doesn't match their existing arrangements, logistics that were finally working can unravel quickly.

Specialists don't transfer either. A provider who was in-network under the previous carrier may not be in-network under the new one. A family navigating a complex diagnosis, a rare condition, a major surgery, an ongoing relationship with a subspecialist who was hard to get in front of, suddenly has to decide whether to absorb out-of-network costs or start over with someone new.

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What the No Surprises Act Actually Covers When a Plan Changes Mid-Treatment, and Where It Falls Short

The No Surprises Act, which took effect in January 2022, established federal continuity-of-care protections, but in a narrower scenario than most people realize. These rules require insurers to allow patients in active treatment to continue seeing a provider at in-network rates for up to 90 days when that provider leaves the plan's network mid-year. The protection covers serious or complex conditions, ongoing courses of treatment, pregnancy, and terminal illness.

What it doesn't automatically cover: the situation where an employer switches its entire insurance carrier. In that case, the 90-day continuity rule may not apply. The new carrier isn't the one who lost a provider from its network. Most large insurers have formal continuity-of-care or transition-of-care exception processes, and families managing active treatment can request them. But approval depends on the new plan's terms, the employer's contract, state law, and how quickly the request is submitted.

Some states offer stronger protections than federal law requires. Several have passed legislation extending continuity provisions beyond the federal baseline. Knowing which rules apply, and invoking them before a coverage gap opens, takes specific knowledge and fast action, exactly the kind of administrative work that rarely gets done well when the family is already spending their time on the actual medical situation.

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The 30-to-90-Day Window Before a New Plan Takes Effect: What to Do Before Coverage Switches

Most plan changes are announced weeks or months before they take effect. That window matters. The questions worth asking the moment a plan change is announced: Which current authorizations will need to be re-submitted, and under what criteria? Which medications are on the new formulary, and at what tier? Which providers are in-network? Does the new plan have a continuity-of-care exception process, and what does it require?

The cost of not asking those questions before the transition is measured in weeks of delayed care, claims processed in the wrong order between two carriers, and prescription gaps that are far harder to close retroactively than to prevent.

For families navigating a business sale, a retirement, or a year of major employer change, this is the part of the plan that deserves the same attention as the financial and legal pieces, before the effective date, not after the first denial letter arrives.

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What to Do Next

• The moment a plan change is announced, someone should pull the new formulary and compare it against every current medication, before the effective date, not after.

• Every active prior authorization needs to be mapped and re-submitted to the new carrier. That work doesn't happen automatically.

• Current specialists, hospitals, and facilities need to be verified as in-network under the new plan

• If you're in active treatment, the new insurer's continuity-of-care exception process needs to be identified and triggered promptly. Most families don't know it exists.

• If a business sale, merger, or retirement is on the horizon, a complete map of current coverage and in-flight care should be built before the transition.

For families who work with Emry Health Concierge, this work is handled before the transition date arrives. Emry audits coverage against current care, manages re-authorization processes with new carriers, and intervenes when claims between multiple insurers overlap or conflict, so families aren't learning about the gaps after a denial.

FAQs: When Your Insurance Changes Mid-Treatment

Do my prior authorizations carry over when my employer switches insurance carriers?
No. Prior authorizations are specific to the insurer that issued them. When your employer changes carriers, authorizations do not transfer. Each one must be re-submitted to the new insurer and approved under its criteria. This applies to medications, specialist visits, procedures, and durable medical equipment.

Does the No Surprises Act protect me if my employer changes my insurance while I'm in treatment?
The No Surprises Act's continuity-of-care provisions primarily apply when a provider leaves your current plan's network mid-year, not when your employer switches carriers entirely. In that scenario, you may be able to request a continuity-of-care or transition-of-care exception directly from the new insurer, but approval is not automatic.

What happens to specialty medications if my insurance plan changes?
A medication covered under one plan's formulary may be tiered differently or excluded entirely under the new plan. You may need a new prior authorization and possibly a step-therapy or exception process before the prescription is covered. Reviewing the new formulary before the effective date is essential.

Can I stay with my current doctors if they're not in my new plan's network?
You may be able to request a continuity-of-care exception. Most large carriers have a formal process for this, particularly if you're managing a serious or complex condition. Some states also have laws extending continuity protections. Acting before the plan takes effect gives you the best chance of a favorable outcome.

How does a business sale or retirement affect employee health coverage mid-year?
It depends on what the acquiring company maintains. If the new owner keeps the same carrier, disruption may be minimal. If coverage shifts, a new benefit structure can take effect mid-year, sometimes without adequate transition notice, triggering authorization resets and formulary changes across the board. COBRA provides a continuation option during this window, typically for up to 18 months, but premiums are substantially higher.

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