This final rule implements Medicaid payment for primary care services furnished by certain physicians in calendar years (CYs) 2013 and 2014 at rates not less than the Medicare rates in effect in those CYs or, if greater, the payment rates that would be applicable in those CYs using the CY 2009 Medicare physician fee schedule conversion factor. This minimum payment level applies to specified primary care services furnished by a physician with a specialty designation of family medicine, general internal medicine, or pediatric medicine, and also applies to services rendered by these provider types paid by Medicaid managed care plans contracted by states to provide the primary care services. It also provides for 100 percent federal financial participation (FFP) for any increase in payment above the amounts that would be due for these services under the provisions of the approved Medicaid state plan, as of July 1, 2009. In other words, there will not be any additional cost to states for payments above the amount required by the 2009 rate methodology. In this final rule, we specify which services and types of physicians qualify for the minimum payment level in CYs 2013 and 2014, and the method for calculating the payment amount and any increase for which increased federal funding is due. In addition, this final rule will update the interim regional maximum fees that providers may charge for the administration of pediatric vaccines to federally vaccine-eligible children under the Pediatric Immunization Distribution Program, more commonly known as the Vaccines for Children (VFC) program.