EXHIBIT 23

               CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

The Board Of Directors
IDX Systems Corporation

We consent to  incorporation  by reference in the  registration  statement  (No.
333-31045)  on Form S-8 of IDX Systems  Corporation  of our report dated May 13,
1999 relating to the  statements of net assets  available for benefits of PHAMIS
Inc.  Salary Savings and Deferral Plan as of December 31, 1998 and 1997, and the
statements  of changes in net assets  available  for benefits for the years then
ended,  and the  related  supplementary  schedules  as of and for the year ended
December 31, 1998,  which report  appears in the December 31, 1998 annual report
on Form 11-K of PHAMIS Inc. Salary Savings and Deferral Plan.

/s/ KPMG LLP

KPMG LLP

Seattle, Washington
June 28, 1999



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