Fair and Speedy Treatment (FAST) of Medicare Prescription Drug Claims Act of 2006

Fair and Speedy Treatment (FAST) of Medicare Prescription Drug Claims Act of 2006 - Amends title XVIII (Medicare) of the Social Security Act to require prompt payment of clean claims to pharmacies by prescription drug plans (PDPs) and Medicare Advantage prescription drug plans (MA-PD Plans). Defines prompt payment as within 14 calendar days from submission for claims submitted electronically, and within 30 calendar days for claims submitted otherwise. Requires payment of interest, also, if a payment is not issued, mailed, or otherwise transmitted within the applicable number of calendar days.

Makes it unlawful for a PDP sponsor of a prescription drug plan to display on the prescription drug card the name, brand, or trademark (co-branding) of any pharmacy.

Requires each PDP sponsor to charge not less than the minimum dispensing fee, $14, adjusted annually for inflation, for generic covered Medicare part D (Voluntary Prescription Drug Benefit Program) drugs.

Revises requirements for a covered medication therapy management service, allowing it to be furnished by a health care provider, other than a pharmacist, with advanced training in medication management.

Requires the Secretary of Health and Human Services to specify: (1) the population of part D eligible individuals appropriate for services under a medication therapy management program, based on certain characteristics; and (2) a minimum defined package of medication therapy management services that shall be provided to each enrollee.

Revises requirements for pharmacy fees.

Directs the Secretary to establish: (1) a two-year demonstration program to examine the impact of medication therapy management furnished by a pharmacist in a community-based or ambulatory-based setting on quality of care, spending, and patient health; and (2) a Best Practices Commission to develop a best practices model for medication therapy management.