1. Clinical psychologist services models under the Center for Medicare and Medicaid Innovation; GAO study and report (a) CMI models Section 1115A(b)(2)(B) of the Social Security Act ( 42 U.S.C. 1315a(b)(2)(B) ) is amended by adding at the end the following new clauses: (xxv) Supporting ways to familiarize individuals with the availability of coverage under part B of title XVIII for qualified psychologist services (as defined in section 1861(ii)). (xxvi) Exploring ways to avoid unnecessary hospitalizations or emergency department visits for mental and behavioral health services (such as for treating depression) through use of a 24-hour, 7-day a week help line that may inform individuals about the availability of treatment options, including the availability of qualified psychologist services (as defined in section 1861(ii)). . (b) GAO study and report Not later than 18 months after the date of the enactment of this Act, the Comptroller General of the United States shall conduct a study, and submit to Congress a report, on mental and behavioral health services under the Medicare program under title XVIII of the Social Security Act, including an examination of the following: (1) Information about services furnished by psychiatrists, clinical psychologists, and other professionals. (2) Information about ways that Medicare beneficiaries familiarize themselves about the availability of Medicare payment for qualified psychologist services (as defined in section 1861(ii) of the Social Security Act ( 42 U.S.C. 1395x(ii) ) and ways that the provision of such information could be improved.