; (2) the number of beneficiaries who receive medication-assisted treatment under the Medicare program; (3) the number of beneficiaries who receive medication-assisted treatment under the Medicare program who also receive behavioral therapy; and (4) any geographic areas in which beneficiaries remain underserved with respect to the provision of opioid use disorder treatment services under the Medicare program. (d) Stakeholder meeting Not later than 18 months after the date of the enactment of this Act, the Secretary shall convene a meeting of stakeholders, including practicing behavioral health providers, to share best practices on the utilization of behavioral therapy among beneficiaries receiving medication to treat opioid use disorder under the Medicare program. (e) Definitions In this section: (1) Administrator The term Administrator means the Administrator of the Centers for Medicare & Medicaid Services. (2) Medication assisted treatment The term medication-assisted treatment means an evidence-based treatment that consists of the administration of medications and related behavioral therapies. (3) Opioid use disorder treatment services The term opioid use disorder treatment services has the meaning given that term in section 1861(jjj)(1) of the Social Security Act ( 42 U.S.C. 1395x(jjj)(1) ). (4) Secretary The term Secretary means the Secretary of Health and Human Services.