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You’ve got questions, we’ve got answers. If there’s a question you can’t find the answer to on our website, call Member Services at 866-606-3700 (TTY 711).


Meridian is a Medicaid managed care plan that partners with the State of Illinois to provide services for Illinois Medicaid beneficiaries through the HealthChoice Illinois program. 

If you are eligible for Medicare, you may be eligible in MeridianCare. For more information on our dual-eligible program, please visit

You can reach the Care Coordination Support Specialist team at 866-821-2308 (TTY 711), Monday - Friday, 24 hours a day.

You can call our Care Coordination Support Specialists at 866-821-2308 (TTY 711) from 8 a.m.- 8 p.m.

You can call our Member Services Department at: 866-821-2308 (TTY 711), 24 hours a day, 7 days a week

Yes, we offer interpreter services for over 140 different languages. Interpreter services are offered telephonically or face-to-face. For face-to-face inquiries, you can reach the Care Coordination Support Specialist team at 866-821-2308.

Nondiscrimination Notice and Taglines (PDF)

A Primary Care Provider (PCP) is a licensed physician, nurse practitioner, clinical nurse specialist or physician assistant, as allowed under state law, who provides and manages your health care services. This can also be called a Primary Care Physician.

Your primary care provider is the person you see first for most health problems. They make sure that you get the care you need to keep you healthy. They also may talk with other doctors and healthcare providers about your care and refer you to them. Contact your Medicare/Medicaid provider to find a PCP in your area.

No, Meridian MLTSS does not charge co-pays for any covered services.

Meridian MLTSS does not cover dental services.

Meridian MLTSS does not cover vision services. Contact your Medicare/Medicaid Plan to learn more about vision benefits that may be available to you.

Yes, Meridian does offer help with transportation. Please refer to your Member Handbook for more information.  You can schedule your gas reimbursement up to 30 days BEFORE your appointment date. The earlier you let us know about your transportation needs, the better we can help you.  We may also be able to provide alternative methods of transportation based on needs or medical necessity.

Behavioral Health

Behavioral health is a type of health care that offers mental health and substance abuse counseling.

Call our Behavioral Health Department at 888-222-8041 if you need help finding a behavioral health provider in your area.

No, you do not need a referral from your PCP (Primary Care Provider). Meridian can help you find a provider in your area. Please call our Behavioral Health department at 866-796-1167 if you have questions about whether your service is covered. 

Preauthorization is approval from a plan that is required before the plan pays for certain:

  • Services
  • Medical equipment or
  • Prescriptions

This is also called prior authorization, prior approval or precertification. Your plan may require preauthorization for certain services before you receive them. This excludes an emergency.

Prior Authorization is not needed for outpatient behavioral health services from MeridianHealth.

You can reach Meridian's Behavioral Health department Monday through Friday from 7 a.m. to 5 p.m. at 866-796-1167.

If you are having a Behavioral Health crisis or emergency please call 911.

Meridian MLTSS does not cover inpatient behavioral health stays. 

Meridian allows you to continue to see the same behavioral health provider during your continuity of care window.

Sometimes more than one medication can be used to treat your condition. Step therapy means that one medication must be tried first before another medication can be tried. Your healthcare provider or pharmacist can explain which medication must be tried first.