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Enrollment information
Already a member of GEHA High or Standard medical plan
If you are already a member of the GEHA High or Standard medical plan, you can elect the enhanced level of benefits (UnitedHealthcare GEHA Group Medicare Advantage (PPO) plan) at any time by calling UnitedHealthcare at 1-844-491-9898, 8 a.m. – 8 p.m. local time, Monday - Friday. TTY users, call 711. You must remain enrolled in the GEHA High or Standard medical plan to be eligible for the enhanced level of benefits.
Not yet a member of GEHA
If you are not yet a member of the GEHA High or Standard medical plan, you must first visit the Office of Personnel Management (OPM) website or call the OPM Retirement Information Center at 888-767-6738 to enroll in the GEHA medical plans (Enrollment Codes: High Option: 311, 312, 313; Standard Option: 314, 315, 316).
What if the enrollment deadline has passed?
If the enrollment deadline has passed, you may not be able to enroll in a plan until the next enrollment period, unless you qualify for a Special Election Period.
If you are already a member of the GEHA High or Standard medical plan, you can elect the enhanced level of benefits (UnitedHealthcare GEHA Group Medicare Advantage (PPO) plan), at any time.
If you are not yet a member of the GEHA High or Standard medical plan, you must enroll in the plan during Open Season or qualifying event before electing the enhanced level of benefits.
Once you are a member of the GEHA High or Standard medical plan, you may enroll into the GEHA Medicare Advantage Plan any time of the year.
It's important to enroll in Medicare Part A and Part B when you first become eligible, during the Initial Enrollment Period. Medicare Part B requires a monthly premium payment for coverage, which is determined by when you enroll. In most cases, premium rates increase by 10 percent for each full 12-month period that you could have had Part B, but were not enrolled.
Need help or have questions?
For additional enrollment questions, call 1-844-491-9898, 8 a.m. - 8 p.m., Monday - Friday. TTY users, call 711. Or, contact us.
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If you would like to provide feedback regarding your Medicare Advantage plan, you can contact Customer Service or you can provide feedback directly to Medicare through their complaint form.