1. Short title This Act may be cited as the John Lewis Equality in Medicare and Medicaid Treatment Act of 2023 . 2. Improving access to care for Medicare and Medicaid beneficiaries Section 1115A of the Social Security Act ( 42 U.S.C. 1315a ) is amended— (1) in subsection (a)— (A) in the last sentence of paragraph (1), by inserting advance health equity and before improve the coordination ; and (B) in the first sentence of paragraph (3)— (i) by inserting (including the Office of Minority Health of the Centers for Medicare & Medicaid Services, the Office of Rural Health Policy of the Health Resources and Services Administration, and the Office on Women’s Health of the Department of Health and Human Services) after relevant Federal agencies ; and (ii) by striking experts with expertise in medicine and inserting experts with expertise in medicine, the causes of health disparities and the social determinants of health, and ; (2) in subsection (b)— (A) in paragraph (2)— (i) in subparagraph (A)— (I) by inserting the following after the first sentence: Prior to selecting a model under this paragraph, the Secretary shall consult with the Office of Minority Health of the Centers for Medicare & Medicaid Services, the Office of Rural Health Policy of the Health Resources and Services Administration, and the Office on Women’s Health of the Department of Health and Human Services to ensure that models under consideration address health disparities and social determinants of health as appropriate for populations to be cared for under the model. ; (II) by inserting and, for models for which testing begins on or after January 1, 2024, address health equity as well as improving access to care received by individuals receiving benefits under such title after applicable title ; and (III) by adding at the end the following: The models selected under this subparagraph shall include the social determinants of health payment model described in subsection (h), the testing of which shall begin not later than December 31, 2024.