such request in writing or informs the applicant in writing with respect to any additional information that is needed in order to make a final determination with respect to the application. If the Secretary requests additional information pursuant to the preceding sentence and the applicant submits such information, the application shall be deemed approved unless the Secretary, within 90 days of the date of receiving such information, denies such request. 305. Improving access in underserved areas (a) Definition of primary care services Section 331(a)(3)(D) of the Public Health Service Act ( 42 U.S.C. 254d(a)(3)(D) ) is amended by inserting and includes renal dialysis services before the period at the end. (b) National health service corps scholarship program Section 338A(a)(2) of the Public Health Service Act ( 42 U.S.C. 254l(a)(2) ) is amended by inserting , including nephrology health professionals before the period at the end. (c) National health service corps loan repayment program Section 338B(a)(2) of the Public Health Service Act ( 42 U.S.C. 254l–1(a)(2) ) is amended by inserting , including nephrology health professionals before the period at the end.