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    13900 Riverport Dr.
    Maryland Heights, MO 63043

    Mailing Address for Customer Service, Medical Claims, Appeals and Grievances:
    P.O. Box 3710
    Troy, MI 48007
    Questions Relating to Registration, Login, Application Access, General Questions and Technical Support:
    (866) 397-2812 | customersupport@lumeris.com
    8am - 5pm Monday - Friday

    For BayCarePlus Medicare Advantage Claims, Eligibility or Patient Referral Inquiries:
    (866) 509-5396 | customerservice@baycarehealthplans.org
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