<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM PACIFICARE
HEALTH SYSTEMS, INC.'S CONDENSED CONSOLIDATED BALANCE SHEETS AS OF JUNE 30, 2000
AND RELATED CONSOLIDATED STATEMENTS OF OPERATIONS FOR THE SIX MONTHS ENDED JUNE
30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 920,397
<SECURITIES> 942,716
<RECEIVABLES> 420,745
<ALLOWANCES> 10,123
<INVENTORY> 0
<CURRENT-ASSETS> 2,471,672
<PP&E> 335,731
<DEPRECIATION> 145,895
<TOTAL-ASSETS> 5,090,857
<CURRENT-LIABILITIES> 2,033,493
<BONDS> 0
0
0
<COMMON> 469
<OTHER-SE> 2,018,956
<TOTAL-LIABILITY-AND-EQUITY> 5,090,857
<SALES> 0
<TOTAL-REVENUES> 5,656,846
<CGS> 0
<TOTAL-COSTS> 4,775,640
<OTHER-EXPENSES> 640,561
<LOSS-PROVISION> 2,731
<INTEREST-EXPENSE> 40,432
<INCOME-PRETAX> 247,125
<INCOME-TAX> 103,298
<INCOME-CONTINUING> 143,827
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 143,827
<EPS-BASIC> 4.01
<EPS-DILUTED> 4.00
</TABLE>