To amend title XVIII of the Social Security Act to provide for an update under the Medicare physician fee schedule through 2011.

Medicare Physician Payment Update Extension Act - Amends title XVIII (Medicare) of the Social Security Act to: (1) continue the existing 2.2% physician payment update that expires November 30, 2010, for an additional month through December 31, 2010; and (2) set at 1% the update to the single conversion factor that would otherwise apply for 2011.