We’re here to help! 1-866-794-6791

Explore the benefits of the SAMBA Medicare Advantage (PPO) Plan

No out-of-pocket costs

$0 copays for covered medical services

Monthly Part B subsidy

Get a monthly Part B premium subsidy
$100 High Medicare Advantage
$75 Standard Medicare Advantage

Prescription drug coverage

Look up your medications and search for a pharmacy near you 

See if my medication is covered

Large national network

Flexibility to see any participating provider

Find a provider

Free gym membership

Renew Active gym membership to help you stay active

UnitedHealthcare Hearing

Access to hundreds of brand name hearing aids and a $1,000 hearing aid allowance

How do I sign up?

Enroll in two easy steps:

Enroll in the SAMBA High Option or Standard Option medical plan

Contact the Office of Personnel Management (OPM) to make a plan code change. (If you are already enrolled skip to step two):

OPM retirement office:

1-888-767-6738, TTY 711
Hours: 7:40 a.m. - 5:00 p.m. ET, Monday – Friday

Open season express website

Enroll in the SAMBA Medicare Advantage Plan

If you are already enrolled in the SAMBA High or Standard Option Plan or after your initial enrollment has been processed and confirmed by OPM, call a UnitedHealthcare Customer Service Advocate who will help you step-by-step to enroll: 

1-866-794-6791, TTY 711

Hours: 8 a.m.–8 p.m. local time, 7 days a week

Is a SAMBA Medicare Advantage Plan right for you?

Plan benefits and costs

View plan details and costs and see what additional benefits may be available.

Review plan benefits and costs

Find a provider

FInd primary care physicians, hospitals and other health care providers within our network.

More than 95% of members continue to have access to their preferred providers1.

Find a provider

Prescription drug coverage

Learn about your plan’s prescription drug coverage, look up your medications and search for a pharmacy near you.

Understand prescription drug coverage options

Questions? We're here to help. Find the right resources to contact with your questions.

Contact us
Frequently asked questions

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.

1 2025 UnitedHealthcare Group member, network and provider reporting data, and member utilization data.