Washington's racked up more than $250 million in marijuana sales in the past year â roughly $62 million of which constitute marijuana excise taxes. That's beyond the state's original forecast of $36 million.
An independent practice association (or IPA) is a US term for an association of independent physicians, or other organization that contracts with independent physicians, and provides services to managed care organizations on a negotiated per capita rate, flat retainer fee, or negotiated fee-for-service basis.
independent practice association (IPA), 1  an association of independent physicians or small groups of physicians formed for the purpose of contracting with one or more managed health care organizations. Member physicians provide medical services for HMO patients in their own offices and are allowed to maintain private practices.