Hospital Price Transparency and Disclosure Act of 2013 - Amends the Public Health Service Act to require a hospital or ambulatory surgical center to report to the Secretary of Health and Human Services (HHS) regarding: (1) the frequency of occurrence of certain treatment episodes for the most frequently treated conditions or diseases in each setting, (2) the total number of treatment episodes for which care was furnished by the hospital or center, and (3) the insured and uninsured average charge by the hospital or center for such treatment episode. 

Requires the Secretary to post promptly on the HHS website: (1) such information in a manner that promotes charge comparisons among hospitals and among ambulatory surgical centers, and (2) an appropriate link to other consumer quality information maintained on such site or a site maintained by the Centers for Medicare and Medicaid Services. Requires a hospital and an ambulatory surgical center to post prominently at each admission site a notice of the availability of such data.

Authorizes civil penalties for violations of this Act.