; (B) in reducing health disparities and improving health outcomes in Health Disparity Zones; and (C) in reducing health costs and hospital admissions and readmissions in Health Disparity Zones. 9. Definitions In this Act: (1) The term Health Disparity Zone means an area designated under section 2 as a Health Disparity Zone. (2) The term Health Disparity Zone practitioner means a health care practitioner who— (A) is licensed or certified in accordance with applicable State law to treat patients in the respective Health Disparity Zone; (B) provides— (i) primary care, which may include obstetrics, gynecological services, pediatric services, or geriatric services; (ii) behavioral health services, which may include mental health or substance use disorder services; or (iii) dental services; and (C) is a participating provider of services or supplier under the Medicare program under title XVIII of the Social Security Act ( 42 U.S.C. 1395 et seq. ) or a participating provider under a State plan under title XIX of such Act ( 42 U.S.C. 1396 et seq. ). (3) The term Secretary means the Secretary of Health and Human Services. 10. Authorization of appropriations To carry out this Act, there is authorized to be appropriated such sums as may be necessary for the period of 10 fiscal years following the date of enactment of this Act.