EXHIBIT 23.1 CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS We consent to the inclusion in this registration statement on Form S-1 of our report dated January 22, 1999 except for Note M for which the date is February 28, 1999, on our audit of the financial statements of Claimsnet.com inc., and our report dated June 2 1997, on our audit of the financial statements of Medica Systems, Inc. We also consent to the reference to our firm under the caption "Experts". /s/ King Griffin & Adamson P.C. ------------------------------- KING GRIFFIN & ADAMSON P.C. Dallas, Texas March 30, 1998