1. Short title This Act may be cited as the Assessing Critical Care Efforts to Strengthen Services (ACCESS) Act of 2017 . 2. CMMI Medicaid payment model demonstration project on Medicaid reimbursement for physicians’ services in counties with a disproportionately high proportion of Medicaid enrollees Section 1115A(b) of the Social Security Act ( 42 U.S.C. 1315a(b) ) is amended— (1) in paragraph (2)(B), by adding at the end the following new clause: (xxv) Focusing on payment models under title XIX for recruiting and retaining physicians to serve low-income applicable individuals residing in disproportionate share counties (as defined in paragraph (5)(D)). ; and (2) by adding at the end the following new paragraph: (5) Medicaid physicians’ service model for low-income individuals in disproportionate share counties (A) Selection Beginning not later than 6 months after the date of the enactment of this paragraph, the Secretary shall select for testing one or more models described in paragraph (2)(B)(xxv). (B) Design In selecting, and designing the testing for, such a model under this subsection, CMI shall— (i) review the most successful models for recruiting and retaining physicians to serve low-income applicable individuals residing in a disproportionate share county (as defined in subparagraph (D)); and (ii) incorporate lessons from successful strategies that take into account how access to physicians’ services has improved for such individuals. (C) Evaluation In evaluating the performance of such a model under paragraph (4), CMI shall— (i) evaluate the applicability and expansion of the model to inform national strategies to best leverage funds under title XIX to improve access to physicians’ services for low-income applicable individuals residing in a disproportionate share county