Bundling and Coordinating Post-Acute Care Act of 2014 or the BACPAC Act of 2014 - Amends title XVIII (Medicare) of the Social Security Act to require a single bundled payment for post-acute care services under Medicare parts A (Hospital Insurance) and B (Supplementary Medical Insurance).

Defines "PAC physician" as the physician with primary responsibility for supervising delivery to an individual of a post-acute care (PAC) bundle of services between a qualifying discharge and the earlier of: (1) 90 days later, or (2) the date on which the individual is admitted to a hospital to receive services for a condition unrelated to the one for which he or she received the acute care inpatient hospital services.

Directs the Secretary of Health and Human Services (HHS) to: (1) establish a new Transitional Care Management (TCM) code, with respect to geographic adjustments to the physicians' fee schedule, to pay for care management by a PAC physician; or (2) revise and expand the use of existing TCM codes 99495 and 99494.