Medicare Outpatient Prescription Drug Coverage Act of 1999

Medicare Outpatient Prescription Drug Coverage Act of 1999 - Amends title XVIII (Medicare) of the Social Security Act (SSA) to, among other things: (1) provide for coverage of certain outpatient prescription drugs; (2) outline payment rules, which include use of a standard claims form developed by the Secretary of Health and Human Services for use in requesting payment, and related requirements for drugs, including rules governing deductible amounts, providing for treatment of certain cost-based prepaid organizations under Medicare part C (Medicare+Choice), and prescribing an electronic claims system to be established by the Secretary; (3) establish an enforcement mechanism governing participating pharmacies dispensing covered outpatient prescription drugs, providing for civil money penalties in appropriate cases; (4) prohibit payment from being made under Medicare part B (Supplementary Medical Insurance) for any expense incurred for a covered outpatient drug dispensed in excess of a certain quantity, generally 30 days; and (5) direct the Director of the Congressional Office of Technology Assessment (sic) to provide for appointment of a Prescription Drug Payment Review Commission to report annually to Congress on drug payment determinations under this Act. Authorizes appropriations.