maintenance organizations (1) In general Non-profit health maintenance organizations that deliver care in their own facilities and employ clinicians on a salaried basis may participate in the program and receive global budgets or capitation payments as specified in section 202. (2) Exclusion of certain health maintenance organizations Other health maintenance organizations which principally contract to pay for services delivered by non-employees shall be classified as insurance plans. Such organizations shall not be participating providers, and are subject to the regulations promulgated by reason of section 104(a) (relating to prohibition against duplicating coverage). (d) Freedom of choice Patients shall have free choice of participating physicians and other clinicians, hospitals, and inpatient care facilities. 104. Prohibition against duplicating coverage (a) In general It is unlawful for a private health insurer to sell health insurance coverage that duplicates the benefits provided under this Act. (b) Construction Nothing in this Act shall be construed as prohibiting the sale of health insurance coverage for any additional benefits not covered by this Act, such as for cosmetic surgery or other services and items that are not medically necessary. II FINANCES A Budgeting and Payments 201. Budgeting process (a) Establishment of operating budget and capital expenditures budget (1) In general To carry out this Act there are established on an annual basis consistent with this title— (A) an operating budget, including amounts for optimal physician, nurse, and other health care professional staffing