Medicaid covers a wide range of health services, from doctor visits and hospital stays to prescription drugs, long-term nursing home care, and even rides to medical appointments. What makes the program unusual compared to most insurance is not just who it covers but how expansive the benefit package can be, particularly for children, pregnant people, and those needing long-term care. The catch is that “what Medicaid covers” is not one simple answer. Federal law sets a floor of mandatory benefits every state must provide, but states then choose from a menu of optional services, and those choices create real gaps depending on where you live.
The Mandatory and Optional Split
At the federal level, Medicaid requires every state to cover a core set of services: inpatient and outpatient hospital care, physician services, laboratory and X-ray work, nursing facility services for adults, and home health care for people who qualify for nursing-level care. Prenatal and delivery services, family planning, and federally qualified health center visits are also on the mandatory list. Beyond that floor, states have significant discretion. All states cover prescription drugs, and most cover physical therapy, eyeglasses, and dental care for adults, though the depth of that coverage varies enormously.1KFF. Medicaid 101 – Section: What Benefits Are Covered by Medicaid?
This mandatory-optional framework means two Medicaid enrollees in different states can have meaningfully different benefit packages. A low-income adult in one state might get comprehensive dental care while someone in a neighboring state gets only emergency dental extractions. The same applies to hearing aids, physical therapy visit limits, and many behavioral health services. When people ask “what does Medicaid cover,” the honest first step is identifying which state’s program they’re asking about.
Children’s Coverage Under EPSDT
For anyone under 21, Medicaid works differently than it does for adults. A federal mandate called Early and Periodic Screening, Diagnostic, and Treatment (EPSDT) requires states to provide comprehensive health screenings, diagnostic services, and any medically necessary treatment, even if that particular service is not part of the state’s regular Medicaid plan. The standard is broad: any federally allowable service needed to correct or improve a physical or mental health condition must be covered for children.2PubMed Central. When Old Is New: Medicaid’s EPSDT Benefit at Fifty, and the Future of Child Health Policy
In practice, EPSDT means a child on Medicaid can access services that would be optional or absent from the adult benefit package in their state. A child who needs hearing aids, specialized therapy, or dental surgery has a federal entitlement to that care. For families navigating the system, this is one of the most powerful features of the program, though many parents do not realize just how extensive their child’s coverage is until a provider or advocate explains it.
Prescription Drug Coverage
Every state Medicaid program covers outpatient prescription drugs. The mechanism that makes this financially viable is the Medicaid Drug Rebate Program, a federal-state partnership in which drug manufacturers agree to pay rebates to state Medicaid agencies in exchange for having their products covered. Through this arrangement, Medicaid beneficiaries can access nearly all FDA-approved outpatient medications.3PubMed. Ensuring Integrity of the Medicaid Drug Rebate Program
States do maintain preferred drug lists and sometimes require prior authorization for higher-cost medications, so the coverage is not entirely open-ended. But the scope is broader than many people expect. The rebate structure also intersects with other federal drug-pricing programs. The 340B Drug Pricing Program, for instance, separately subsidizes safety-net clinics and hospitals. These two programs are generally understood as distinct efforts, one lowering costs through insurance coverage and the other through discounted purchasing for providers, but in practice they overlap in ways that affect how pharmacies and clinics serve Medicaid patients.4PubMed. When Safety-Net Programs Compete: Medicaid, 340B, And The Battle Over Drug Discounts
Long-Term Care and Home-Based Services
Medicaid is, by a wide margin, the largest payer of long-term care in the United States. It covers nursing home stays for eligible individuals and, increasingly, home and community-based services (HCBS) that allow people to receive care where they live rather than in an institution. This is a benefit that neither Medicare nor most private insurance provides in any meaningful way, making Medicaid the default safety net for older adults and people with disabilities who need ongoing daily assistance.1KFF. Medicaid 101 – Section: What Benefits Are Covered by Medicaid?
The shift toward HCBS has been a major policy priority for decades, driven partly by enrollee preference and partly by cost. Monthly long-term care expenditures for HCBS recipients tend to be substantially lower than for those in nursing homes. One study of Medicaid-enrolled dementia patients found that long-term care costs were roughly $1,688 per month higher for nursing home residents compared to HCBS recipients, even though overall HCBS spending did rise over time.5Medical Care. Comparison of Resource Utilization for Medicaid Dementia Patients Using Nursing Homes Versus Home and Community Based Waivers for Long-Term Care
The tradeoff is not purely financial, though. Research on dual-eligible older adults (those enrolled in both Medicare and Medicaid) has found that HCBS users have about 10 percentage points higher annual rates of hospitalization than their nursing home counterparts once selection bias is accounted for, with rates of potentially avoidable hospitalizations running about 3 percentage points higher as well.6PubMed Central. Outcomes of Medicaid home- and community-based long-term services relative to nursing home care among dual eligibles That does not mean HCBS is worse care overall, but it does suggest that people receiving care at home sometimes lack the round-the-clock medical monitoring that a nursing facility provides. The design of HCBS programs, especially for people with conditions like dementia, remains an active area of policy work.
Behavioral Health and Substance Use Treatment
Medicaid is the single largest payer of behavioral health services in the country, covering mental health treatment, counseling, and substance use disorder (SUD) care. The expansion of SUD coverage accelerated during the opioid crisis, and by 2021, every state’s fee-for-service Medicaid program covered individual and group outpatient substance use treatment. Annual limits on medications for SUD had nearly disappeared, dropping to 3% of states or fewer.7JAMA Health Forum. Changes in Medicaid Fee-for-Service Benefit Design for Substance Use Disorder Treatment During the Opioid Crisis, 2014 to 2021
Gaps persist for more intensive levels of care. As of 2021, about 10% of state Medicaid programs still did not cover intensive outpatient treatment, 13% lacked coverage for short-term residential care, and a full third did not cover long-term residential substance use treatment.7JAMA Health Forum. Changes in Medicaid Fee-for-Service Benefit Design for Substance Use Disorder Treatment During the Opioid Crisis, 2014 to 2021 Utilization controls like prior authorization requirements and copays also remained common, creating practical barriers even where the benefit technically exists. For someone trying to access residential addiction treatment through Medicaid, the state they live in still matters a great deal.
Maternal and Postpartum Coverage
Medicaid finances roughly four in ten births in the United States, making it central to maternal health care. Federal law requires coverage of prenatal care, labor and delivery, and postpartum services. Historically, pregnancy-related Medicaid eligibility ended 60 days after delivery, a cutoff that many clinicians and advocates considered dangerously short given the risks of postpartum complications, depression, and loss of insurance during a vulnerable period.
A growing number of states have extended postpartum coverage to a full 12 months. Research on these expansions has found meaningful benefits. People with extended Medicaid eligibility postpartum were more likely to attend a postpartum checkup, with the effect particularly strong among Hispanic postpartum individuals, who saw roughly a 4% increase in checkup attendance. Extended eligibility was also linked to lower self-reported depressive symptoms among White postpartum individuals.8PubMed Central. Postpartum Medicaid Eligibility Expansions and Postpartum Health Measures
Colorado’s experience provides a closer look at the mental health dimension. Retaining Medicaid coverage postpartum rather than transitioning to commercial insurance was associated with a roughly 20-percentage-point increase in the use of prescription medication or outpatient mental health treatment for perinatal mood and anxiety disorders. Out-of-pocket spending per mental health visit dropped by about $41 compared to those who switched to commercial plans.9PubMed Central. Extended Postpartum Medicaid In Colorado Associated With Increased Treatment For Perinatal Mood And Anxiety Disorders The pattern suggests that keeping people insured through Medicaid after birth, rather than forcing a coverage switch, removes both financial and administrative barriers to getting help during a period when many new parents struggle.
Dental, Vision, and Hearing Coverage for Adults
These three service categories represent some of the starkest state-by-state variation in Medicaid. All are optional benefits for adults under federal law (though mandatory for children through EPSDT), and states take very different approaches.
Adult dental coverage through Medicaid is available in most states, but the scope ranges from emergency-only extractions to comprehensive care including periodontal treatment. A 2024 analysis of 43 Medicaid programs found that while recent expansions had increased coverage of periodontal services, states commonly imposed frequency limitations, prior authorization requirements, and restrictions on how many quadrants of the mouth could be treated at once.10PubMed. Adult Medicaid Coverage for Periodontal Treatment: A State-to-State Comparison Those rules can make a benefit look generous on paper while being difficult to actually use in practice.
Vision coverage follows a similar pattern. Most state fee-for-service Medicaid programs cover routine eye exams for adults, but many do not cover glasses. As of the most recent national analysis, roughly 20 states lacked coverage for eyeglasses and 35 did not cover low vision aids. An estimated 14.6 million adult Medicaid enrollees lived in states without comprehensive coverage for glasses.11PubMed Central. Most State Medicaid Programs Cover Routine Eye Exams For Adults, But Coverage Of Other Routine Vision Services Varies About two-thirds of states that did offer routine vision coverage also required cost sharing from enrollees.
Hearing aid coverage for adults is the thinnest of the three. A longitudinal study tracking Medicaid hearing aid coverage from 2003 to 2023 noted that the lack of consistent adult coverage may work against states’ own health equity goals, given the well-documented effects of untreated hearing loss on quality of life and broader health outcomes.12PubMed Central. Longitudinal Trends in Medicaid Hearing Aid Coverage for Adults in the United States: 2003-2023 For an adult on Medicaid who needs hearing aids, the answer to “does Medicaid cover this” depends almost entirely on their state.
Non-Emergency Medical Transportation
One of Medicaid’s most distinctive benefits, and one that surprises people accustomed to private insurance, is non-emergency medical transportation (NEMT). Federal law requires states to ensure that enrollees can get to and from medical appointments, and Medicaid funds rides through vans, public transit vouchers, taxis, and increasingly through rideshare-style platforms. A systematic review found that interventions addressing transportation barriers were associated with fewer missed appointments, though evidence on their effects on broader health outcomes remains limited.13PubMed Central. Effect of interventions for non-emergent medical transportation: a systematic review and meta-analysis
The economics of NEMT are substantial. Traditional Medicaid transportation services were estimated to save about $4 billion annually in avoided costs from missed care, and newer digital transportation platforms (similar to rideshare apps) could save an additional $268 per user per year compared to traditional van-based services.14PubMed Central. Economic Benefit of “Modern” Nonemergency Medical Transportation That Utilizes Digital Transportation Networks
The benefit does not always work perfectly. An Iowa study found that Medicaid expansion members who had NEMT access actually reported higher rates of missed appointments and greater transportation cost concerns than expansion members without NEMT, a counterintuitive finding that likely reflects the fact that people who are enrolled in NEMT tend to face more severe transportation barriers to begin with.15Health Affairs Scholar. Transportation barriers for Iowa Medicaid-enrolled adults with and without non-emergency medical transportation services The benefit exists because this population genuinely struggles to get to care, not because the rides fully solve the problem.
Telehealth After the Pandemic
The COVID-19 pandemic dramatically expanded telehealth coverage across Medicaid programs. A national legal mapping study tracked state Medicaid telehealth policies from 2018 through 2023 and found that audio-only telehealth reimbursement, which did not exist in any state Medicaid program in 2018, was adopted by 43 states by 2023. Most of that adoption happened during 2020 and 2021.16PubMed. Expansion of State Medicaid Policies Related to Telehealth, 2018-2023: A National Legal Mapping Study Audio-only coverage matters because many Medicaid enrollees lack reliable internet or smartphones capable of video calls. Being able to see a provider by phone rather than needing a video connection removed a barrier that disproportionately affected lower-income patients. Many of these pandemic-era telehealth flexibilities have been made permanent, though states vary in what types of visits and providers qualify.
Reproductive Health and Family Planning
Medicaid covers family planning services as a mandatory benefit, including contraception, counseling, and related exams. Many states have gone further through Medicaid family planning expansions, extending eligibility for these specific services to people who would not otherwise qualify for full Medicaid. Research on the effects of these expansions found that they were associated with increased postpartum contraceptive use. In states that implemented family planning expansions through their Medicaid state plans, the odds of postpartum contraceptive use were about 14% higher compared to states without such expansions.17PubMed Central. Medicaid Family Planning Expansions: The Effect of State Plan Amendments on Postpartum Contraceptive Use
Newer Territory: Nutrition, Social Needs, and Reentry Services
Medicaid has historically been understood as health insurance, but a growing number of states are using waiver authority to address what are called health-related social needs. The most active area is nutrition. As of mid-2023, nineteen states had Section 1115 waivers with nutrition provisions, fifteen of which had been approved by the federal Centers for Medicare and Medicaid Services. These ranged from screening-only waivers, which identify food insecurity among enrollees, to food-is-medicine waivers that actually provide medically tailored meals or produce prescriptions as a covered Medicaid benefit.18PubMed Central. The evolution and scope of Medicaid Section 1115 demonstrations to address nutrition: a US survey Whether these programs will become standard Medicaid benefits or remain experimental demonstration projects is still an open question, but the trajectory points toward a broader definition of what “health coverage” means.
Another frontier is coverage for people leaving incarceration. Historically, Medicaid cannot pay for services provided to incarcerated individuals (a restriction known as the inmate exclusion). In April 2023, CMS invited states to apply for waivers that would allow Medicaid to cover health services during the period before someone’s release, covering case management, medication-assisted treatment for substance use disorders, and a 30-day supply of prescriptions upon release. As of April 2025, 19 states had received approval and 9 more had waivers pending.19JAMA Health Forum. Reevaluating State Medicaid Waivers Targeting the Reentry Population The goal is to prevent the gap in care that often leads to emergency department visits, overdoses, and other crises in the weeks after someone is released.
How You Actually Receive Benefits: Managed Care Versus Fee-for-Service
The benefit package is only part of the story. The way Medicaid delivers those benefits shapes the experience of getting care. The majority of Medicaid enrollees today are in managed care plans, where a private insurer receives a fixed monthly payment from the state and arranges the enrollee’s care through a provider network. The alternative, traditional fee-for-service Medicaid, lets enrollees see any willing provider and the state pays claims directly.
The evidence on which system works better is mixed. Managed care programs that combined primary care case management with HMO-style networks tended to improve access and utilization for children, reducing emergency room visits while increasing use of specialists and other services.20PubMed Central. Effects of Medicaid managed care programs on health services access and use For women, though, mandatory HMO programs were associated with reduced non-emergency-room use and increased reports of unmet medical need.
For people with disabilities, the picture raises concerns. One study found that mandatory managed care enrollees with disabilities were about 25% more likely to wait over 30 minutes to see a provider, 32% more likely to report difficulty accessing a specialist, and 10% less likely to have received a flu shot in the past year compared to fee-for-service counterparts.21PubMed Central. Medicaid managed care and health care access for adult beneficiaries with disabilities Another study found that managed care beneficiaries had fewer visits overall but saw more different providers than fee-for-service enrollees, creating greater fragmentation in their care.22PubMed. Health Care Fragmentation in Medicaid Managed Care vs. Fee for Service Having fewer visits spread across more providers is not necessarily efficient, and it can make coordination harder, particularly for people managing chronic conditions.
When Medicare and Medicaid Overlap
About 12 million Americans are “dual eligibles,” enrolled in both Medicare and Medicaid simultaneously. These individuals, typically low-income seniors or younger people with disabilities, have Medicare as their primary insurer and Medicaid as a supplement that picks up costs Medicare does not cover, including long-term care, dental services, and Medicare premiums and copays.
Coordinating two programs that were designed independently creates logistical headaches for both patients and providers. Several integrated care models have been developed to try to streamline the experience, including Programs of All-Inclusive Care for the Elderly (PACE) and Medicare-Medicaid Plans (MMPs). A systematic review of these programs found mixed results on spending. Most MMP evaluations found that Medicare spending actually increased after implementation, while Medicaid spending results varied depending on the program type and study.23JAMA Health Forum. Quality, Spending, Utilization, and Outcomes Among Dual-Eligible Medicare-Medicaid Beneficiaries in Integrated Care Programs: A Systematic Review The promise of integration is real, but achieving it at scale without driving costs up on one side or the other has proven difficult. For the dual-eligible enrollee, the practical concern is simpler: making sure that the broader Medicaid benefit package, especially long-term care, dental, and vision, actually fills in the gaps that Medicare leaves.