Medicaid's Invisible Split: Two Systems, One Program
Medicaid is not one healthcare system. It's two. About 67% of beneficiaries are enrolled in managed care organizations (MCOs)—private insurance companies paid a monthly premium to cover your medical costs. The remaining 33% stay in fee-for-service Medicaid, where the state directly reimburses providers for each service rendered. The difference determines which doctors you can see, how quickly you access specialists, whether medications get approved before you fill them, and how you file a complaint when care is denied.
Most states offer both options, but increasingly, states are pushing beneficiaries into managed care. Why? States save money by shifting financial risk to insurers. Insurers keep some of the monthly premium as profit. If they spend less on your care than the state pays them, they pocket the difference. If they overspend, they absorb the loss. This creates an incentive for insurers to limit expensive care. That's not always bad—it prevents unnecessary spending. But it also creates denial incentives that don't exist in fee-for-service.
Understanding which model you're in changes how you navigate Medicaid. It determines what you can demand, what you can appeal, and what recourse you have when care is rationed.
Fee-for-Service: Direct State Reimbursement, No Middleman
In fee-for-service Medicaid, the state pays your doctor directly for services delivered. You go to your primary care doctor. Your doctor submits a claim to the state Medicaid program. The state pays the doctor within 30 days (usually). Your doctor has no financial incentive to deny you care—their revenue increases with every service they deliver.
In fee-for-service, you can see any provider who accepts Medicaid. If your pediatrician is out-of-network, many states still allow it. If you need a specialist, you request a referral from your primary doctor, but the referral is usually approved without delay because there's no financial consequence to the state for that approval. The state's costs rise slightly, but that's budgeted.
Fee-for-service Medicaid is administratively simpler for patients. You show your Medicaid card, the doctor bills the state, and you're covered. No prior authorization delays. No gatekeeper denials. No insurer approval committees.
The trade-off: fee-for-service incentivizes overutilization. If doctors get paid for every service, some will order unnecessary tests, extend hospital stays, and recommend treatments that don't improve outcomes but increase billing. This drives state costs up. That's why states are abandoning fee-for-service for managed care. But for patients, fee-for-service's main benefit is simplicity and minimal gatekeeping.
Managed Care: Insurers Control Access, States Control Costs
In managed care, the state contracts with insurance companies to cover your Medicaid benefits. The insurer receives a fixed monthly payment per enrollee (called a capitated payment or capitation). If the insurer keeps your healthcare costs below that payment amount, it keeps the profit. If costs exceed the payment, the insurer absorbs the loss.
This creates a powerful financial incentive: keep costs down. The insurer does this by limiting access to expensive services. They require prior authorization before specialists can see you. They restrict which medications you can fill without insurer approval. They encourage generic drugs over brand-name drugs. They create narrow networks of preferred providers to drive volume to low-cost specialists.
Managed care plans include a primary care doctor who must approve specialty referrals. Want to see a cardiologist? Your primary doctor requests it, and the insurer's prior authorization team reviews. They often approve, but sometimes they deny. When they deny, your primary doctor can appeal, but that appeal is handled by the same organization that profits from the denial. This creates a systemic bias toward cost containment.
The managed care model controls state spending. A state pays an insurer $250 monthly per member. If the insurer's actual costs are $200, the insurer profits $50 per member. That incentive structure makes insurers very motivated to control spending. But it also makes them motivated to deny or delay expensive care.
Which States Use Which Model
No state is purely fee-for-service anymore. But some allow you to stay in fee-for-service if you opt out of managed care. Others have merged fee-for-service into mandatory managed care.
Mandatory Managed Care States (majority): California, Texas, Florida, Pennsylvania, New York, Ohio, Illinois, Georgia, Arizona, Massachusetts. These states enroll most beneficiaries into MCOs and make it difficult to opt out. Some allow fee-for-service only for people with severe disabilities or special health needs. Others allow fee-for-service elderly and disabled populations but mandate managed care for working-age adults.
Hybrid States (mixed enrollment): Colorado, Washington, Oregon, Minnesota. These states run both systems in parallel. You can choose an MCO or stay in fee-for-service. The state provides information about both options and lets you pick. Fewer people actively choose managed care, but it remains available.
Fee-for-Service Available (limited): Vermont, Rhode Island, Alaska, Wyoming, Nebraska. These states still operate robust fee-for-service options. Managed care exists but isn't mandatory. If you prefer fee-for-service, you can access it.
Check your state Medicaid agency website to determine your enrollment model. Some states will tell you automatically. Others require you to contact your caseworker directly.
Prior Authorization: The Managed Care Gatekeeper
Prior authorization (PA) is managed care's control mechanism. Before certain services—particularly expensive ones—the provider must request insurer approval. The insurer's nurse reviewer or doctor reviews the clinical evidence and decides whether the treatment is medically necessary. Most requests are approved, but denial rates vary wildly by insurer and service type.
Prior authorization creates delays. A specialist who wants to order an MRI must call the insurer. The insurer sends a form. The doctor fills it out. The insurer reviews. The insurer approves or denies. This process can take days. During that time, your condition might worsen. Some managed care plans allow a certain number of urgent PAs that are approved within 24 hours, but non-urgent PAs can take a week.
Fee-for-service has no prior authorization. Your doctor orders a test. The state reimburses. Done. This is why fee-for-service patients often access specialists faster than managed care patients—no approval process, just referral and access.
Choosing a Managed Care Plan: Narrow Networks and Drug Restrictions
If your state mandates managed care, you'll be given choices between plans—usually 3-5 different insurers. Each plan has different networks, formularies (drug lists), and cost structures. Choosing poorly can trap you with a plan that doesn't cover your medications or include your current doctors.
Network: Which doctors are "in-network"? Each plan contracts with different providers. Your current doctor might be in-network with one plan and out-of-network with another. Out-of-network care is either covered at a lower rate or denied entirely. Before choosing a plan, call and ask whether your current doctors are in-network. Don't assume.
Formulary: What medications are covered? Each plan has a preferred drug list (formulary). Your current medications might be on the plan's formulary, or they might not. If your medication isn't covered, you'll either have to switch drugs or request an exception from the plan. Exceptions are sometimes approved but often denied if a cheaper alternative exists. Ask the plan whether your specific medications are covered before enrolling.
Copayments and Out-of-Pocket Costs: Medicaid managed care plans typically have $0 or minimal copayments for preventive care and primary doctors. Specialist visits might be $0-5. Prescription copays range from $0-3 depending on the drug tier. These costs are capped to protect low-income beneficiaries. But they exist. Some plans charge more than others. Verify before choosing.
Appealing Care Denials: Different Rules for Managed Care vs Fee-for-Service
When an MCO denies a service, you have appeal rights. You can file a grievance if you think the denial was wrong. But appeals in managed care are slow, and they're decided by the same organization that made the denial.
MCO Appeal Process: Level 1: File a grievance with the insurer within 30 days of the denial. The insurer's appeals team reviews within 30 days. If they uphold the denial, you move to Level 2. Level 2: External independent review (required for urgent care denials). An independent reviewer, not employed by the MCO, examines the case and issues a binding decision. This process takes 72 hours for urgent reviews, 30 days for non-urgent. If the independent reviewer sides with you, the MCO must cover the service.
Fee-for-Service Appeal Process: If the state Medicaid program denies a service in fee-for-service, you have similar rights, but your appeal goes to your state Medicaid agency, not an insurer. This is slightly more impartial because the state isn't the company that made the original denial (though states do have financial incentives to deny expensive care). Appeals follow a formal hearing process with due process protections.
The advantage: fee-for-service appeals don't go back to the company that denied you. Managed care appeals do, which creates a conflict of interest.
Disenrollment: Switching Out of Managed Care
If you're in managed care and want to switch to fee-for-service, or switch between MCOs, your state allows this during open enrollment periods (typically once per year, often in November). Some states allow disenrollment for "good cause"—if your doctor left the plan's network, if the plan routinely denies medically necessary care, or if you have special health needs. Good cause disenrollment can happen outside regular open enrollment.
If your plan is harming you, document it. Save denial letters. Track care delays caused by prior authorization. Collect evidence that the plan is not meeting your medical needs. Present this to your state Medicaid agency with a request for good cause disenrollment. Many states grant these requests if you show demonstrable harm.
Switch to fee-for-service if possible, especially if you have chronic conditions requiring frequent specialists. The bureaucracy is simpler, and gatekeeper denials are less common.
The Real Cost: Managed Care Profits Versus Your Care
Managed care companies report profit margins of 3-5% on Medicaid contracts. For a state paying $250 per member per month, a 4% profit means the insurer profits $10 per member per month, or $120 per year. That sounds small. But across millions of members, it's billions. For states, shifting financial risk to insurers is politically attractive because it looks like Medicaid costs are controlled when, in reality, costs are transferred to members through denied services and restricted access.
The trade-off between fee-for-service and managed care isn't free. In fee-for-service, you get easier access but higher overall costs—which states eventually cut by restricting eligibility or benefits. In managed care, you face more bureaucracy and denial risk but insurers bear the financial consequences of poor care. Neither is ideal. Both exist because states need to control budgets and insurance companies need to make money.
Understanding which system you're in—and how it works—gives you the information to navigate it effectively and know when to appeal.
Frequently Asked Questions
Can I switch from managed care to fee-for-service?
It depends on your state. Some states allow unrestricted switching during annual open enrollment periods. Others allow switching only for "good cause." States like Vermont and Alaska have robust fee-for-service options. Texas and California have effectively eliminated fee-for-service for most enrollees. Check your state Medicaid agency website for your specific rights.
Does managed care cover all the same services as fee-for-service?
Legally, yes. Managed care plans must cover the same state Medicaid benefits as fee-for-service. But managed care plans control access through prior authorization, formulary restrictions, and network limitations. You technically have coverage, but accessing that coverage is harder and slower than in fee-for-service.
What happens if my managed care plan denies a service and I can't wait for an appeal?
Urgent denials (services needed within 72 hours) go to expedited external review. You get an independent reviewer's decision within 72 hours. If the reviewer sides with you, the plan must cover the service immediately. File your appeal as urgent and push the plan to treat it as such.
Are managed care plans required to cover brand-name medications if the generic is available?
Not necessarily. The plan can require you to try the generic first and only cover the brand-name if the generic fails or causes side effects. This is called step therapy. You can request an exception, but plans often deny exceptions unless there's clinical evidence the generic doesn't work for you.
If I switch between managed care plans, do I lose continuity of care?
Possibly. A new plan might not have your current doctors in-network. Your new doctor might have different treatment approaches. Your authorizations from the old plan won't transfer to the new plan. You may need new prior authorizations, new referrals, and new appointments. Switching plans can disrupt care, so do it only if your current plan is seriously failing you.
Why do states prefer managed care if it harms beneficiaries?
States use managed care to shift financial risk to insurance companies and avoid budget overruns. In fee-for-service, if costs exceed projections, the state must raise taxes or cut elsewhere. In managed care, costs are fixed. The insurer controls spending. States trade beneficiary access for budget stability. It's a political choice, not a medical one.
Is prior authorization required for all services in managed care?
No. Preventive care (vaccines, wellness visits) rarely requires authorization. Primary care visits rarely require authorization. Specialists, expensive tests, and non-emergency hospitalizations usually require authorization. Emergency services are covered immediately without prior authorization. Check your plan's authorization requirements before enrolling.
Can I sue a managed care plan for wrongfully denying care?
You have limited ability to sue. Medicaid managed care appeals must go through the insurer and external review process first. Only after exhausting those remedies can you pursue legal action. Even then, your damages are limited. The external review process is designed to prevent lawsuits by resolving disputes faster. It's not a substitute for legal recourse, but it's the mandatory first step.