Primary Care Workforce Access Improvement Act of 2013 - Directs the Secretary of Health and Human Services (HHS) to conduct a pilot project under title XVIII (Medicare) of the Social Security Act to test models for providing payment for direct graduate medical education (GME) and indirect medical education (IME) to medical education entities (MEEs), not otherwise eligible to receive such payments, for the costs of training primary care residents.
Requires testing of two of the following model MEEs: (1) a community-based independent corporate entity collaborating with two or more hospitals to operate one or more primary care graduate medical residency training programs (training hospitals); (2) a MEE, with at least one community representative on its board, which is established by two or more training hospitals which may be the sole corporate members of the MEE; (3) a hospital subsidiary or independent corporation, with community participation in its governance, that operates one or more training programs for a hospital; or (4) a MEE (including a university or school of medicine) independent of any hospital but collaborating with one in operating one or more primary care graduate medical residency training programs.