Create your personalized Medicare.gov account:
https://www.mymedicare.gov
Is my test, item, or service covered with Medicare?
https://www.medicare.gov/coverage
Create your personal my Social Security account:
https://www.ssa.gov/myaccount/
Apply for extra help with Medicare Prescription Drugs:
https://secure.ssa.gov/i1020/start
Apply for Part B coming off employer group plan:
https://secure.ssa.gov/mpboa/medicare-part-b-online-application/
Change physical address with Social Security:
https://faq.ssa.gov/en-us/Topic/article/KA-01711
Manage your Medi-Cal in Riverside County:
https://www.c4yourself.com
Manage your Medi-Cal in other counties:
https://www.c4yourself.com/c4yourself/counties.jsp
State Subsidy Estimator:
https://subsidyestimator.coveredca.com