Centers for Medicare & Medicaid Services  Formerly known as the Health Care Financing Administration (HCFA), this is the federal agency responsible for administering the Medicare, Medicaid, SCHIP (State Children's Health Insurance), HIPAA (Health Insurance Portability and Accountability Act), CLIA (Clinical Laboratory Improvement Amendments), and several other health-related programs.

Medicare  Medicare has its own homepage, with resources not only to learn about Medicare but also to compare health care plans and nursing homes.

Social Security Online  Amazingly complex area of the law; get answers to your questions online here.  Also found here is the Benefit Eligibility Screening Tool ("BEST").  BEST is a tool that you can use to find out if you could be eligible for benefits from any of the programs Social Security administers.

California HealthCare Foundation.  Resource for Medi-Cal news, research, and analysis.

Social Security Reform Center.  Source for news, analysis, and research on the Social Security reform debate

Centers for Medicare and Medicaid Services.  The Centers for Medicare & Medicaid Services (CMS) is a Federal agency within the U.S. Department of Health and Human Services.

California Health Advocates.  California Health Advocates (CHA) is a nonprofit organization dedicated to timely and responsive education and advocacy efforts on behalf of California Medicare beneficiaries and the pre-retirement population.