Not affiliated with the US Social Security Administration
The national telephone number for Medicare is 1-800-MEDICARE (1-800-633-4227).
The California SHIP (State Health Insurance Assistance Program) program can help with Medicare issues. The California SHIP program can help you with topics such as :
California SHIP contact details are :
California Health Insurance Counseling & Advocacy Program (HICAP)
(800) 434-0222
http://www.aging.ca.gov/HICAP
In general, there are not dedicated, local Medicare offices. Contact your nearest Social Security office for Medicare issues like asking about how Medicare premiums change with income or applying for the Extra Help program for Medicare prescription drugs.
Medicare Part D (Prescription Drug)
Not affiliated with the US Social Security Administration