
Enroll in a plan
Enrollment in the UnitedHealthcare® Group Medicare Advantage (HMO) or the UnitedHealthcare® Senior Supplement and UnitedHealthcare® MedicareRx for Groups (PDP) plans, sponsored by the SDCERA, took place between November 1 - November 20, 2020 for coverage beginning January 1, 2021.
Enrollment and disenrollment questions:
- Contact Mercer at 1-866-751-0256, Monday through Friday, 8 a.m.-5 p.m.
Physicians and Plan Provision questions, contact UnitedHealthcare:
- UnitedHealthcare Group Medicare Advantage (HMO): 1-800-457-8506, 8 a.m.-8 p.m. local time, Monday through Friday. TTY users, call 711.
- UnitedHealthcare Senior Supplement: 1-800-851-3802, 8 a.m.-8 p.m. local time, Monday through Friday. TTY users, call 711.
- UnitedHealthcare MedicareRx for Groups (PDP): 1-888-556-6648, 8 a.m.-8 p.m. local time, Monday through Friday. TTY users, call 711.
If you are not currently enrolled in a plan
For general questions prior to enrollment, contact UnitedHealthcare at one of the following numbers:
- UnitedHealthcare Group Medicare Advantage (HMO): 1-877-714-0178, 8 a.m.–8 p.m. local time, 7 days per week. TTY users, call 771.
- UnitedHealthcare Senior Supplement: 1-800-698-0822, 8 a.m.–8 p.m. local time, 7 days per week. TTY users, call 771.
- UnitedHealthcare MedicareRx for Groups (PDP): 1-800-698-0822, 8 a.m.–8 p.m. local time, 7 days per week. TTY users, call 771.
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IMPORTANT DATES
2021 Open Enrollment Period
Began: 11/01/2020
Ended: 11/20/2020

Last updated: 04.20.2021 at 12:01 AM CT H0543_020921IMR