R1 RCM (RCM) 10-Q 2023 Q3 Quarterly report

Exhibit 32.1

Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted

pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report on Form 10-Q of R1 RCM Inc. (the “Company”) for the period ended September 30, 2023 as filed with the Securities and Exchange Commission on or about the date hereof (the “Report”), the undersigned, Lee Rivas, Chief Executive Officer of the Company, hereby certifies, pursuant to 18 U.S.C. Section 1350, that:

1.the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: December 4, 2023

/s/ Lee Rivas     

Lee Rivas

Chief Executive Officer

(Principal Executive Officer)