<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM COMPANY'S
CONDENSED CONSOLIDATED BALANCE SHEET AND STATEMENT OF INCOME AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0001001185
<NAME> IDX SYSTEMS CORPORATION
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
<S> <C> <C>
<PERIOD-TYPE> 9-MOS 9-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-1999
<PERIOD-START> JAN-01-2000 JAN-01-1999
<PERIOD-END> SEP-30-2000 SEP-30-1999
<EXCHANGE-RATE> 1 1
<CASH> 26,051 29,064
<SECURITIES> 43,718 44,832
<RECEIVABLES> 101,959 114,574
<ALLOWANCES> (4,841) (3,200)
<INVENTORY> 0 0
<CURRENT-ASSETS> 203,835 201,354
<PP&E> 100,554 101,713
<DEPRECIATION> 32,012 47,168
<TOTAL-ASSETS> 285,253 275,614
<CURRENT-LIABILITIES> 68,286 62,123
<BONDS> 0 0
0 0
0 0
<COMMON> 282 358
<OTHER-SE> 207,645 204,033
<TOTAL-LIABILITY-AND-EQUITY> 285,253 275,614
<SALES> 243,896 253,123
<TOTAL-REVENUES> 243,896 253,123
<CGS> 176,502 161,540
<TOTAL-COSTS> 127,365 106,781
<OTHER-EXPENSES> (2,928) (154)
<LOSS-PROVISION> 1,736 1,258
<INTEREST-EXPENSE> 5 862
<INCOME-PRETAX> (57,043) (15,044)
<INCOME-TAX> (19,744) (5,394)
<INCOME-CONTINUING> (37,299) (9,650)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (37,299) (9,650)
<EPS-BASIC> (1.33) (0.35)
<EPS-DILUTED> (1.33) (0.34)
</TABLE>