**EXHIBIT 31.1****SARBANES-OXLEY SECTION 302 CERTIFICATION**I, William H. Wilcox, certify that:1. I have reviewed this annual report on Form 10-K of United Surgical Partners International, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omitto state a material fact necessary to make the statements made, in light of the circumstances underwhich such statements were made, not misleading with respect to the period covered by this report; 3. Based on my knowledge, the financial statements, and other financial information included in thisreport, fairly present in all material respects the financial condition, results of operations andcash flows of the Registrant as of, and for, the periods presented in this report; 4. The Registrant’s other certifying officer and I are responsible for establishing and maintainingdisclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) andinternal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f))for the Registrant and have: a) Designed such disclosure controls andprocedures, or caused such disclosure controlsand procedures to be designed under oursupervision, to ensure that materialinformation relating to the Registrant,including its consolidated subsidiaries, ismade known to us by others within thoseentities, particularly during the period inwhich this report is being prepared;  b) Designed such internal control over financialreporting, or caused such internal control overfinancial reporting to be designed under oursupervision, to provide reasonable assuranceregarding the reliability of financialreporting and the preparation of financialstatements for external purposes in accordancewith generally accepted accounting principles;  c) Evaluated the effectiveness of the Registrant’sdisclosure controls and procedures andpresented in this report our conclusions aboutthe effectiveness of the disclosure controlsand procedures, as of the end of the periodcovered by this report based on suchevaluation; and  d) Disclosed in this report any change in theRegistrant’s internal control over financialreporting that occurred during the Registrant’smost recent fiscal quarter (the Registrant’sfourth fiscal quarter in the case of an annualreport) that has materially affected, or isreasonably likely to materially affect, theRegistrant’s internal control over financialreporting; and5. The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluationof internal control over financial reporting, to the Registrant’s auditors and the audit committee ofthe Registrant’s board of directors (or persons performing the equivalent functions): a) All significant deficiencies and materialweaknesses in the design or operation ofinternal control over financial reporting whichare reasonably likely to adversely affect theRegistrant’s ability to record, process,summarize and report financial information; and  b) Any fraud, whether or not material, thatinvolves management or other employees who havea significant role in the Registrant’s internalcontrol over financial reporting./s/ William H. Wilcox