Social Security Administration (SSA) - 1-800-772-1213
For information regarding Lost Medicare card, address change, Social Security benefits, Medicare enrollment, Medicare premium amounts
Medicare Hotline - 1-800-638-6833
Ordering other Medicare publications

Medicare MSA Information Line - 1-800-312-2596
Medicare Medical Savings Accounts

Office of the Inspector General - 1-800-447-8477
How to report Medicare fraud and abuse

Fiscal Intermediary (FI) - 1-888-896-4997
Part A coverage and bills, hospital care and skilled nursing care

Maine Health Insurance Advisory Program - 1-888-896-4997
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

Maine Department of Human Services -
http://www.state.me.us/dhs/phone1.htm
An excellent web resource of phone numbers for various statewide services

State Insurance Department - 1-800-300-5000
Medicare supplemental insurance policies available in your area

State Medical Assistance Office - 1-800-321-5557
Medicaid, low-income assistance