Attached files

file filename
EXCEL - IDEA: XBRL DOCUMENT - NxStage Medical, Inc.Financial_Report.xls
EX-31.1 - EX-31.1 - NxStage Medical, Inc.b87806exv31w1.htm
EX-32.1 - EX-32.1 - NxStage Medical, Inc.b87806exv32w1.htm
10-Q - FORM 10-Q - NxStage Medical, Inc.b87806e10vq.htm
EX-31.2 - EX-31.2 - NxStage Medical, Inc.b87806exv31w2.htm
Exhibit 32.2
CERTIFICATION 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 NxStage Medical, Inc. (the “Company”) for the period ended September 30, 2011 as filed with the Securities and Exchange Commission on the date hereof (this “report”), I, Robert S. Brown, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:
  (1)   This 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 this report fairly presents, in all material respects, the financial condition and results of operations of the Company.
         
   
/s/ Robert S. Brown    
Robert S. Brown 

 
Chief Financial Officer
(principal financial and accounting officer)
 
 
Date: November 3, 2011