Us Oncology, Inc



CERTIFICATION



EXHIBIT 31.2



I, Bruce D. Broussard, Chief Financial Officer of US Oncology, Inc., certify that:



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|(1 | ) |  | I have reviewed this quarterly report on Form 10-Q of US Oncology, Inc.;                                                                                                                                                                                                                                       
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|(2 | ) |  | Based on my knowledge, this annual 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 under whichsuch statements were made, not misleading with respect to the period covered by this report;
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|(3 | ) |  | Based on my knowledge, the financial statements, and other financial information included in this annualreport, fairly present in all material respects the financial
condition, results of operations and cash flows ofthe registrant as of, and for, the periods presented in this report;                   
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|(4 | ) |  | The registrants other certifying officer(s) and I are responsible for establishing and maintaining disclosurecontrols and procedures (as defined in Exchange Act Rules
13a-15(e) and 15d-15(e)) for the registrant andhave:                                                                                   
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|   |   |  | (a)                                                                                                                                                                                                                                                                                                             |  | designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the
registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;         
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|   |   |  | (b)                                                                                                                                                                                                                                                                                                             |  | [intentionally omitted];                                                                                                                                                                                                                                                                                                                                                               
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|   |   |  | (c)                                                                                                                                                                                                                                                                                                             |  | evaluated the effectiveness of the registrants disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and
procedures, as of the end of the period covered by this report based on such evaluation; and                                                                                                    
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|   |   |  | (d)                                                                                                                                                                                                                                                                                                             |  | disclosed in this report any change in the registrants internal control over financial reporting that occurred during the registrants most recent fiscal quarter (the
registrants fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrants internal control over financial reporting; and
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|(5 | ) |  | The registrants other certifying officer and I have disclosed, based on our most recent evaluation, to theregistrants auditors and the audit committee of
registrants board of directors (or persons performing theequivalent function):                                                                    
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|   |   |  | (a)                                                                                                                                                                                                                                                                                                             |  | All significant deficiencies in the design or operation of internal controls which could adversely affect the registrants ability to record, process, summarize and report financial data
and have identified for the registrants auditors any material weaknesses in internal controls; and                                                                                         
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|   |   |  | (b)                                                                                                                                                                                                                                                                                                             |  | any fraud, whether or not material, that involves management or other employees who have a significant role in the registrants internal controls.                                                                                                                                                                                                                                     



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|Date: July 19, 2004 |  | By: |  | /s/ BRUCE D. BROUSSARD             
|                    |  |     |  | Bruce D. Broussard, Chief Financial
|                    |  |     |  | Officer Of US Oncology, Inc.