Skip to Content

Important Phone Numbers

Who to call If you have questions or information about Phone number
Social Security Administration (SSA) Lost Medicare card, address change, Social Security benefits, Medicare enrollment, Medicare premium amounts 1-800-772-1213
State Health Insurance Advisory Program Medicare bills, information on Supplemental Insurance Policies & long term care insurance, payment denials and appeals, Medicare rights and protections, treatment complaints, and help choosing Medicare health plan 1-800-548-9034
Medicare Carrier Part B coverage and bills, medical services, and recognizing fraud and abuse 1-800-633-4227
Fiscal Intermediary (FI) Part A coverage and bills, hospital care and skilled nursing care 1-800-633-4227
Health Care Financing Administration (HCFA) Regional Office Local seminars and health fairs on your new Medicare health plan choices 1-312-353-7180
Medicare Hotline Ordering other Medicare publications 1-800-633-4227
Medicare MSA Information Line Medicare Medical Savings Accounts 1-800-633-4227
Office of the Inspector General How to report Medicare fraud and abuse 1-800-447-8477
State Insurance Department Medicare Supplemental Insurance Policies available in your area 1-217-782-4515
State Medical Assistance Office Medicaid, low-income assistance 1-800-252-8635