Please note we have implemented new fax lines for Part D.
Please use the appropriate fax number below.
ProjectFunctionNew Fax Number
Part D Drug ALJ 720-462-7573
Part D Drug ALJ Expedited 720-462-7574
Part D Drug Plans and Enrollees 720-462-7575
Part D Drug Appeals Plans and Enrollees (Toll-free) 866-825-9507
Part D Drug Effectuations 720-462-7576
Part D Drug Prescriber Returned Requests 720-462-7579
Part D LEP Plans 720-462-7577
Part D LEP Requestors 720-462-7578
Part D LEP Appeals Plans and Enrollees (Toll-free) 866-589-5241

If you have questions, please contact our Customer Support line at 877.456.5302 for both Drug and Late Enrollment Penalty Appeals, or e-mail us at Thank you.

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Maximus COVID-19 Response: We have been working very hard to ensure that our Maximus team is safe, but can still serve the needs of appellants and health plans. We encourage health plans to continue to use our online portal which is secure and is available 24 hours a day. The portal is available at The user guide is available if any health plans are interested in registering. Our mailroom is open and we continue to send out decision letters and all other correspondence related to appeals. If you require specific assistance, please feel free to reach out to us via e-mail at

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