Medicare+Choice Equity and Access Act of 2003

Medicare+Choice Equity and Access Act of 2003 - Amends part C (Medicare+Choice) of title XVIII (Medicare) of the Social Security Act (SSA) with respect to calculation of annual Medicare+Choice capitation rates to: (1) give Medicare+Choice organizations the option to receive payment based on the annual area-specific Medicare+Choice capitation rate for the Medicare+Choice payment area involved; (2) permanently remove application of the budget neutrality adjustment factor in the calculation of the blended capitation rate; and (3) revise the formula used to calculate the national standardized annual Medicare+Choice capitation rate to reflect Medicare+Choice enrollment.