Treatment Centers in Michigan That Accept Meridian

Does Meridian Cover Rehab in Michigan?

Yes. Meridian covers drug and alcohol rehab in Michigan, though for Medicaid members its provider manual lists substance use services as covered outside the Meridian benefit, coordinated by the Community Mental Health Services Program. Meridian itself covers outpatient care for mild to moderate mental health needs, and treatment centers in Michigan accepting Medicaid coverage are listed here.

Meridian began in 1997 as Health Plan of Michigan, took the Meridian name in 2012, was bought by WellCare in 2018 and came to Centene in January 2020. From its Woodward Avenue office in Detroit it runs the Meridian Medicaid Plan and Meridian Healthy Michigan, Wellcare by Meridian for dual-eligible members, and Ambetter from Meridian on the marketplace.

Where does Meridian offer Medicaid in Michigan?

Meridian offers Medicaid in 44 counties of the southern and central Lower Peninsula, according to the state’s January 2025 listing, from Berrien and Monroe on the southern border up to Mason, Osceola, Clare and Arenac. Meridian describes itself as Michigan’s largest Medicaid HMO, with a state contract running more than 25 years.

Does Meridian Cover Inpatient Rehab in Michigan?

Yes. Meridian’s Michigan handbook says inpatient and intensive outpatient treatment must be arranged through the local Community Mental Health Services Program, which places members in residential rehab for Medicaid. Ambetter from Meridian covers substance use disorders through its own network of providers, hospitals and mental and substance use programs, which residential programs taking insurance may belong to.

Does Meridian need prior authorization for inpatient rehab in Michigan?

Yes. For Meridian Medicaid members, the PIHP behind the local Community Mental Health agency authorizes inpatient and residential substance use care using ASAM placement criteria. For services Meridian manages itself, its provider manual names InterQual and Meridian Medical Review Criteria, and any non-network behavioral health care needs prior authorization, at no higher cost than in network.

Does Meridian Cover Detox in Michigan?

Yes. Meridian Medicaid members receive Medicaid medical detox through the PIHP at ambulatory, residential and medically monitored inpatient levels, while hospital-level withdrawal care falls on the physical health side, which is Meridian. Meridian also lists the Michigan PEER Warmline, 1-888-733-7753, open 10 a.m. to 2 a.m., among its crisis resources.

Does Meridian Cover Outpatient Rehab in Michigan?

Yes. Meridian covers short-term outpatient mental health treatment through network therapists, while outpatient addiction counseling and IOP programs accepting Medicaid come through the Community Mental Health system. Ambetter from Meridian offers 24-hour virtual mental health care along with Peer Recovery Support Specialists and Care Managers for members with substance use disorders.

Does Meridian limit therapy visits in Michigan?

Not as a hard cap, but since January 1, 2026 Meridian Medicaid requires prior authorization from the 25th outpatient behavioral health visit onward, with the first 24 visits free of it. From July 1, 2026, psychological testing needs authorization after eight hours a year. Meridian’s behavioral health line, 888-222-8041, answers coverage questions.

Does Meridian Cover Suboxone, Methadone and Other Addiction Medications?

Yes. Meridian Medicaid follows the common formulary shared by all Michigan Medicaid Health Plans, and Meridian posts a 2026 formulary with a pharmacy help desk at 866-984-6462, open around the clock. Buprenorphine products, Sublocade and Vivitrol are carved out of the plans to fee-for-service Medicaid, which pays MAT clinics for Medicaid directly.

Does Meridian cover Suboxone in Michigan?

Yes, through Michigan’s fee-for-service Medicaid rather than Meridian’s own pharmacy budget, and preferred forms such as Suboxone films have needed no prior authorization since December 2, 2019. Meridian members show their Medicaid card at Suboxone treatment that takes Medicaid, and Vivitrol is handled the same way.

Does Meridian cover methadone in Michigan?

Yes, for opioid use disorder through the regional PIHP, which contracts with opioid treatment programs; Michigan Medicaid does not pay for methadone through the pharmacy benefit for that use. Methadone programs in Meridian counties are authorized for Meridian members through the local Community Mental Health agency, and Meridian member services, 1-888-437-0606, answers plan questions.

Meridian Rehab Centers on the Pere Marquette River, Saginaw Bay and the Irish Hills Lakes

Meridian’s 44 counties reach from Lake County’s trout streams to Saginaw Bay and the inland lakes of the Irish Hills, and in each setting Meridian is one of four to six Medicaid plans. The Community Mental Health agency for the county, not the setting, decides how substance use treatment is arranged.

Meridian rehab along the Pere Marquette River

The Pere Marquette River flows from Baldwin in Lake County to Ludington in Mason County, and Meridian is a Medicaid plan in both, alongside five other plans. The Lakeshore Regional Entity, (231) 769-2050, authorizes Medicaid substance use care along the river, for recovery programs near rivers and treatment options in Baldwin.

Meridian rehab on Saginaw Bay

Saginaw Bay’s western shore, from Bay City north to Standish and Au Gres in Arenac County, is Meridian’s northeastern edge; Iosco County beyond it is not a Meridian county. Bay and Arenac share four Medicaid plans and Mid-State Health Network, (844) 405-3095, for rehabs near bays and Standish treatment programs.

Meridian rehab near the Irish Hills lakes

The Irish Hills, a cluster of small lakes where Lenawee, Jackson and Hillsdale counties meet, sit entirely within Meridian’s Medicaid area. Lenawee falls under the Community Mental Health Partnership of Southeast Michigan, (888) 566-0489, while Jackson and Hillsdale use Mid-State Health Network, for rehab centers near lakes and programs in Adrian.

How Do I Find a Rehab That Accepts Meridian in Michigan?

Browse the listings on this page. Meridian is accepted at the programs shown, and each listing carries a direct phone number; a city or level-of-care filter cuts the list down. Ambetter from Meridian members can widen the search to private insurance programs and then confirm the program is in the Ambetter network.

Admission for Meridian Medicaid members goes through the Community Mental Health agency for their county, which arranges authorization, and Meridian member services, 1-888-437-0606, helps with plan questions. Ambetter from Meridian members call 1-833-993-2426, which also reaches a 24-hour nurse line, and Meridian’s behavioral health line is 888-222-8041.

Meridian rehab in Detroit and Wayne County

Detroit is Meridian’s Michigan base, at 777 Woodward Avenue, and its dual plan changed there too: MeridianComplete, its MI Health Link plan, ended on December 31, 2025, and Wellcare by Meridian, a highly integrated dual plan, replaced it the next day. For Medicaid substance use care at Detroit addiction programs, members go through the county’s integrated health network.

Meridian rehab in Grand Rapids and Kent County

Kent County Meridian members share the Medicaid market with five other plans, and the Lakeshore Regional Entity authorizes their substance use care at Grand Rapids rehab programs. Meridian also offers Michigan members Pyx Health, 1-855-499-4777, a phone and app support program for adults and teens aged 13 to 17.

Meridian rehab in Flint and Genesee County

Genesee County, in Prosperity Region 6, has Meridian alongside Blue Cross Complete, HAP CareSource, McLaren, Molina and UnitedHealthcare Community Plan. Region 10 PIHP, at (888) 225-4447 around the clock, authorizes substance use treatment for Meridian members at rehab centers in Flint.

Meridian rehab in Kalamazoo and Battle Creek

Kalamazoo and Calhoun counties each have four Medicaid plans: Meridian, Aetna Better Health, McLaren and UnitedHealthcare Community Plan. Authorization there comes from Southwest Michigan Behavioral Health, and Kalamazoo treatment options and programs in Battle Creek see Meridian Medicaid stays authorized through that system.

Meridian rehab in Ann Arbor and Washtenaw County

Washtenaw County Meridian members fall under the Community Mental Health Partnership of Southeast Michigan and call (888) 566-0489 for access, with Meridian one of six Medicaid plans in the county. Meridian’s telehealth partner Ortele Health, 248-973-3660, offers alcohol screening visits for members near Ann Arbor treatment centers.

Can I use Meridian for rehab in a different county?

Only through the Community Mental Health agency for the member’s home county, which authorizes Meridian Medicaid substance use treatment. For Meridian’s own services, care outside the network needs prior authorization and then costs no more than in-network care, and Ambetter from Meridian uses its marketplace network.

How much does rehab cost with Meridian in Michigan?

Nothing for Meridian Medicaid and Healthy Michigan members, because Meridian states there are no copays and it fully covers medically necessary care. Ambetter from Meridian, underwritten by Meridian Health Plan of Michigan, Inc., sets costs by the marketplace plan a member picks.

Meridian members who also qualify for Medicare can compare Wellcare Medicare plans with the Wellcare by Meridian dual plan, which Meridian won under a seven-year MI Coordinated Health contract. Work requirements reach Healthy Michigan Plan adults aged 19 to 64 from January 1, 2027, though anyone in a substance use disorder treatment program is exempt.