Key Takeaways
- Texas Medicaid covers a range of substance use disorder treatment services including screening, assessment, detoxification, outpatient counseling, residential treatment, medication-assisted treatment, and case management.
- Texas has not expanded Medicaid under the Affordable Care Act, which means that most non-disabled adults without dependent children do not qualify for Medicaid regardless of income, creating a significant coverage gap.
- Harris County residents enrolled in Medicaid receive behavioral health services through managed care organizations like Amerigroup, Molina Healthcare, UnitedHealthcare Community Plan, or Superior HealthPlan.
- HHSC-contracted Local Mental Health Authorities and community organizations in Houston can help individuals who do not qualify for Medicaid access state-funded treatment slots and sliding-scale services.
- Wait times for Medicaid-funded residential treatment in Houston can be significant, making it important to explore all available options including out-of-state programs that may accept your insurance.
- Understanding your Medicaid managed care plan's behavioral health benefits, prior authorization requirements, and provider network is essential before beginning treatment.
How Texas Medicaid Covers Addiction Treatment
Texas Medicaid, administered by the Texas Health and Human Services Commission (HHSC), provides coverage for substance use disorder treatment as a component of its behavioral health benefits. The program recognizes addiction as a medical condition and covers services aligned with the American Society of Addiction Medicine criteria for treatment placement. Covered services generally include screening and assessment, medically supervised detoxification, outpatient individual and group counseling, intensive outpatient programs, residential treatment for specific populations, medication-assisted treatment (including methadone, buprenorphine, and naltrexone), and case management services that coordinate care and support recovery.
However, Texas Medicaid coverage for addiction treatment operates differently than private insurance in several important ways. Most Texas Medicaid recipients receive their care through managed care organizations (MCOs) that contract with the state. In the Houston-Harris County service area, the primary MCOs are Amerigroup, Molina Healthcare of Texas, UnitedHealthcare Community Plan, and Superior HealthPlan. Each MCO maintains its own provider network, prior authorization processes, and utilization management procedures. This means that the specific treatment options available to a Medicaid recipient depend in part on which MCO they are enrolled in and which providers participate in that MCO's network.
One of the most significant limitations of Texas Medicaid for addiction treatment is the scope of residential coverage. While Medicaid covers residential substance use treatment for certain populations, including pregnant women and adolescents, coverage for non-pregnant adults in residential settings is more limited. Texas has historically relied on a separate system of HHSC-funded treatment slots for individuals who need residential care but do not have Medicaid coverage or whose Medicaid plan does not cover residential services. This creates a patchwork system that can be difficult for Houston residents to navigate, particularly during a crisis when immediate access to care is most critical.
Texas Medicaid managed care plans are required to provide a toll-free member services line. If you are enrolled in Medicaid and need addiction treatment, call the number on your Medicaid card to learn about covered services, find in-network providers, and understand prior authorization requirements.
Texas Medicaid Eligibility: Who Qualifies in Houston
Understanding who qualifies for Texas Medicaid is essential because the state has some of the most restrictive eligibility criteria in the nation. Texas is one of the states that has not expanded Medicaid under the Affordable Care Act, which means that many low-income adults in Houston who would qualify for Medicaid in expansion states do not qualify in Texas. Generally, Texas Medicaid covers children in families with income up to 201 percent of the federal poverty level, pregnant women with income up to 198 percent of the federal poverty level, parents and caretaker relatives with very low income (typically below 15 percent of the federal poverty level), individuals with disabilities who receive Supplemental Security Income, and elderly adults who meet both income and asset tests.
The practical consequence of Texas's non-expansion is a coverage gap that disproportionately affects single adults, non-custodial parents, and childless couples who earn too much to qualify for Medicaid but too little to qualify for Affordable Care Act marketplace subsidies. In Houston, this coverage gap affects hundreds of thousands of individuals, many of whom have substance use disorders. These individuals often fall through the cracks of the healthcare system and must rely on publicly funded treatment programs, charity care, or emergency departments for crisis intervention.
For Houston residents who do qualify for Medicaid, enrollment can be completed through the YourTexasBenefits online portal, by visiting a local HHSC office in Harris County, or by calling the HHSC helpline. Processing times vary, and during periods of high volume, enrollment can take several weeks. Individuals in acute need of addiction treatment who believe they may qualify for Medicaid should apply immediately while simultaneously exploring other access points, such as the Harris Health System's financial assistance program or HHSC-funded treatment slots through the local mental health authority.
The Medicaid Coverage Gap in Texas
The Medicaid coverage gap is one of the most significant barriers to addiction treatment access in Houston. Understanding this gap helps explain why so many individuals cannot access Medicaid-funded care even when they have very low incomes.
- Adults aged 19-64 without dependent children generally cannot qualify for Texas Medicaid regardless of how low their income is, unless they have a qualifying disability.
- Parents with dependent children must have extremely low household income to qualify — often below $300 per month for a family of three.
- An estimated 771,000 Texans fall into the coverage gap, earning too much for Medicaid but too little for marketplace subsidies.
- Harris County has one of the largest coverage gap populations in the state, with tens of thousands of residents who lack any affordable insurance option for addiction treatment.
- Advocacy organizations continue to push for Medicaid expansion in Texas, but legislative action has not yet materialized as of 2025.
Navigating Medicaid Managed Care for Addiction Services in Houston
Once enrolled in Texas Medicaid, Houston residents are assigned to a managed care organization that administers their benefits. Understanding how your MCO handles behavioral health and substance use disorder services is critical for accessing timely and appropriate care. Each MCO contracts with a network of behavioral health providers that includes outpatient counselors, psychiatrists, detox facilities, and some residential programs. Before seeking treatment, check your MCO's provider directory to identify in-network addiction treatment providers in your area of Houston.
Prior authorization is one of the most frequently cited frustrations with Medicaid managed care for addiction treatment. Many MCOs require prior authorization before they will cover certain levels of care, particularly residential treatment and intensive outpatient programs. This means that a clinical assessment must be submitted to the MCO, reviewed by their utilization management team, and approved before treatment can begin. While MCOs are required to process urgent prior authorization requests within 24 hours, the process can still create delays that are dangerous for individuals in acute need. If a prior authorization request is denied, you have the right to appeal the decision.
Care coordination is another area where the MCO system can either help or hinder addiction treatment access. Each MCO is required to assign a service coordinator to members with complex health needs, which often includes individuals with substance use disorders. This service coordinator can help identify in-network providers, assist with prior authorization, and coordinate transitions between levels of care. However, the quality and responsiveness of service coordination varies widely among MCOs. Being proactive, persistent, and willing to advocate for yourself or your family member is often necessary to obtain the care that Medicaid is supposed to provide.
If your Medicaid MCO denies a prior authorization for addiction treatment, you have the right to file an internal appeal and, if necessary, a fair hearing through HHSC. Document all communications and request denial reasons in writing.
HHSC-Funded Treatment for Uninsured Houston Residents
For Houston residents who do not qualify for Medicaid and cannot afford private insurance, the Texas Health and Human Services Commission funds a network of substance use treatment providers through direct contracts. These HHSC-contracted providers offer treatment at no cost or reduced cost to individuals who meet financial eligibility criteria. In the Houston area, the primary HHSC-contracted providers include The Harris Center for Mental Health and IDD (the Local Mental Health Authority for Harris County), the Council on Recovery, and several smaller community-based organizations.
The Harris Center for Mental Health and IDD serves as the gateway to publicly funded behavioral health services in Harris County. Individuals seeking addiction treatment through The Harris Center undergo a screening and assessment process that determines clinical need and connects them with appropriate services, which may include outpatient counseling, intensive outpatient programs, residential treatment, detox services, or medication-assisted treatment. The Harris Center operates multiple clinic locations across Houston and can be reached through its crisis hotline for immediate assistance.
Wait times for HHSC-funded treatment services in Houston can be a significant challenge. Demand for publicly funded residential treatment, in particular, consistently exceeds available capacity. Individuals may wait weeks or even months for a residential treatment bed, during which time their condition may deteriorate. While waiting for placement, The Harris Center and other HHSC-contracted providers can offer interim services such as outpatient counseling, case management, and medication-assisted treatment to provide some level of support. Understanding that the system has capacity limitations and planning accordingly is important for individuals and families navigating publicly funded treatment.
Additional Low-Cost and Free Treatment Resources in Houston
Beyond HHSC-funded programs, Houston offers several additional avenues for low-cost or free addiction treatment that serve individuals regardless of insurance status.
- The Harris Health System (including Ben Taub Hospital and Quentin Mease Hospital) provides behavioral health services on a sliding-scale basis through its financial assistance program, known as the Gold Card.
- Faith-based programs like Teen Challenge, the Salvation Army Adult Rehabilitation Center, and Houston's Star of Hope Mission offer free residential treatment programs, though these programs may incorporate religious content.
- The Houston Recovery Center provides a walk-in sobering center and short-term stabilization services that can serve as a bridge to longer-term treatment.
- University-affiliated clinics at the University of Houston, Baylor College of Medicine, and UT Health Science Center sometimes offer reduced-cost counseling provided by supervised trainees.
Medicaid Coverage for Medication-Assisted Treatment in Houston
Medication-assisted treatment (MAT) for opioid use disorder is one of the most important covered services under Texas Medicaid, and access to MAT through Medicaid has expanded significantly in recent years. Texas Medicaid covers methadone dispensed through licensed Opioid Treatment Programs, buprenorphine prescribed by authorized providers, and injectable naltrexone (Vivitrol) administered by healthcare professionals. The coverage extends to the medication itself, associated counseling services, drug screening, and medical monitoring that are integral to effective MAT.
Despite coverage, barriers to MAT access through Medicaid persist in Houston. The number of Medicaid-accepting MAT providers in Harris County, while growing, still falls short of demand. Some providers have stopped accepting Medicaid due to low reimbursement rates and burdensome administrative requirements. Additionally, some Medicaid MCOs impose prior authorization requirements for buprenorphine that can delay treatment initiation. Advocacy efforts have focused on eliminating these barriers, and HHSC has taken steps to streamline MAT access, including removing some prior authorization requirements and increasing reimbursement rates for MAT services.
For Houston Medicaid recipients seeking MAT, the most efficient pathway is to contact your MCO's member services line and request a list of in-network MAT providers. If no in-network provider is available within a reasonable distance or timeframe, the MCO is generally required to arrange out-of-network coverage or provide a single case agreement with a willing provider. Opioid Treatment Programs that dispense methadone are often directly accessible without prior authorization, making them an important option for individuals who need to start treatment immediately.
Private Insurance and Self-Pay Options as Alternatives
For Houston residents who do not qualify for Medicaid but have private insurance through an employer or the Affordable Care Act marketplace, addiction treatment coverage is mandated by the Mental Health Parity and Addiction Equity Act. Private insurance plans typically cover a broader range of treatment services than Medicaid and may provide access to a wider network of providers, including out-of-state programs. If you have a PPO plan, you may have out-of-network benefits that allow you to receive treatment at facilities outside of Texas, including Trust SoCal in Fountain Valley, California.
Understanding your private insurance benefits for addiction treatment requires careful review of your plan documents or a call to your insurance company's behavioral health line. Key questions to ask include: Does my plan cover residential/inpatient treatment? What is the prior authorization process? What is my deductible and out-of-pocket maximum for behavioral health services? Do I have out-of-network benefits? Are there limitations on the number of covered treatment days? Trust SoCal's admissions team can conduct a complimentary insurance verification to help you understand your coverage for out-of-state addiction treatment. Call (949) 280-8360 for assistance.
Self-pay is another option for Houston residents who have the financial means or access to family support. Many treatment facilities, including Trust SoCal, offer self-pay rates that are often lower than the facility's insurance-billed rates, and financing plans may be available. While the cost of treatment can seem daunting, it is important to weigh it against the ongoing costs of active addiction, which include healthcare expenses from overdoses and medical complications, lost income, legal fees, and the immeasurable toll on relationships and quality of life.
Trust SoCal offers complimentary insurance verification for Houston residents considering out-of-state treatment. Call (949) 280-8360 and our admissions team will review your benefits and explain your coverage options within minutes.
Children's Medicaid and Adolescent Addiction Treatment in Houston
Texas Medicaid provides more comprehensive coverage for children and adolescents than for adults, and this extends to substance use disorder treatment. Children's Medicaid, including the Children's Health Insurance Program (CHIP), covers screening, assessment, outpatient counseling, intensive outpatient programs, and residential treatment for minors with substance use disorders. The Early and Periodic Screening, Diagnostic, and Treatment (EPSDT) benefit under Medicaid requires that all medically necessary services be provided to children under 21, even if those services are not otherwise covered under the state plan.
Houston has several adolescent-specific treatment programs that accept Medicaid, including programs affiliated with The Harris Center, Texas Children's Hospital, and community-based organizations like the DePelchin Children's Center. These programs are designed to address the developmental needs of young people and typically incorporate family involvement, academic support, and age-appropriate therapeutic modalities. Adolescent treatment programs in Houston also frequently address co-occurring mental health conditions such as depression, anxiety, ADHD, and trauma, which are common among young people with substance use issues.
Parents and guardians of Houston youth who need addiction treatment should contact their Medicaid MCO to initiate the assessment and prior authorization process. If the MCO does not have an adequate network of adolescent treatment providers, it is required to arrange out-of-network coverage. Additionally, The Harris Center operates a 24-hour crisis line that can provide immediate guidance and connect families with emergency and non-emergency adolescent behavioral health services in Harris County.
Advocacy and the Future of Medicaid Addiction Coverage in Texas
The landscape of Medicaid addiction treatment coverage in Texas continues to evolve, driven by federal policy changes, state legislative action, and advocacy by treatment providers, recovery organizations, and affected families. Several recent developments are worth noting for Houston residents. The federal requirement that Medicaid programs cover medication-assisted treatment has strengthened MAT access. HHSC has been working to integrate physical health and behavioral health benefits more fully within the managed care system. And the growing recognition of addiction as a public health crisis has increased bipartisan support for treatment funding at both the state and federal levels.
Medicaid expansion remains the single most impactful policy change that could improve addiction treatment access in Houston and across Texas. If Texas were to expand Medicaid under the ACA, an estimated 1.4 million uninsured Texans would gain coverage, including hundreds of thousands in the Houston-Harris County area. Many of these newly covered individuals would be low-income adults with substance use disorders who currently fall in the coverage gap. Advocacy organizations like the Texas Hospital Association, the Methodist Healthcare Ministries, and the Cover Texas Now coalition continue to push for expansion, and public polling shows growing support among Texas voters.
Until Medicaid expansion occurs, Houston residents who cannot access Medicaid-funded addiction treatment should explore every available alternative: HHSC-funded treatment through The Harris Center, sliding-scale services at community health centers and the Harris Health System, faith-based programs, and out-of-state treatment options. Trust SoCal accepts most major PPO insurance plans and can work with families to explore all financial options. The most important thing is not to let insurance or cost barriers prevent you from seeking the treatment you or your loved one needs. Call (949) 280-8360 for guidance.
Do not assume that a lack of Medicaid coverage means no treatment is available. Houston has multiple pathways to addiction care for uninsured and underinsured individuals. Persistence and willingness to explore all options are essential.

Trust SoCal Editorial Team, Clinical Review Board
Editorial & Clinical Review




