A bill to preserve Medicare beneficiary choice by restoring and expanding the Medicare open enrollment and disenrollment opportunities repealed by section 3204(a) of the Patient Protection and Affordable Care Act.

Medicare Beneficiary Preservation of Choice Act of 2010 - Amends title XVIII (Medicare) of the Social Security Act, as amended by the Patient Protection and Affordable Care Act, to repeal the allowance for disenrollment, between January 1 and March 15 of each year, only from an MedicareAdvantage plan to elect enrollment in the original Medicare fee-for-service program.

Restores the option under previous law to elect to change from a MedicareAdvantage to the original Medicare fee-for-service plan, or from the original Medicare fee-for-service to a MedicareAdvantage plan, once a year during the first three months.