1. Short title This Act may be cited as the Medical Nutrition Therapy Act of 2020 . 2. Expanding the availability of medical nutrition therapy services under the Medicare program (a) In general Section 1861 of the Social Security Act ( 42 U.S.C. 1395x ) is amended— (1) in subsection (s)(2)(V), by striking in the case of and all that follows through organizations ; and (2) in subsection (vv)— (A) in paragraph (1)— (i) by striking disease management and inserting the prevention, management, or treatment of a disease or condition specified in paragraph (4) ; (ii) by inserting or by a physician assistant, nurse practitioner, or clinical nurse specialist (as such terms are defined in subsection (aa)(5)), or, in the case of such services furnished to manage such a disease or condition that is an eating disorder, by a clinical psychologist (as defined by the Secretary) before the period at the end; and (iii) by adding at the end the following new sentence: Such term shall not include any such services furnished to an individual for the prevention, management, or treatment of a renal disease if such individual is receiving maintenance dialysis for which payment is made under section 1881. ; and (B) by adding at the end the following new paragraph: (4) For purposes of paragraph (1), the diseases and conditions specified in this paragraph are the following: (A) Diabetes and prediabetes. (B) A renal disease. (C) Obesity (as defined for purposes of subsection (yy)(2)(C) or as otherwise defined by the Secretary). (D) Hypertension. (E) Dyslipidemia. (F) Malnutrition. (G) Eating disorders. (H) Cancer. (I) Celiac disease. (J) HIV. (K) AIDS. (L) Any other disease or condition— (i) specified by the Secretary relating to unintentional weight loss