CUSIP No.
702915109



Schedule 13 G                                                        Page 8 of 8

CUSIP No. 702915109


                                    EXHIBIT A

                             JOINT FILING AGREEMENT


          ProMed  Partners,  L.P., and Barry Kurokawa each hereby agree that the
Amendment  No. 1 to  Schedule  13G to which  this  Exhibit is  attached  and any
amendments  thereto  relating to the  acquisition  of shares of Common  Stock of
Patient Infosystems Inc. are filed jointly on behalf of each such person.


Dated:   February 13, 2002


                                   /s/ Barry Kurokawa
                                   -----------------------------------
                                   Barry Kurokawa



                                   PROMED PARTNERS, L.P.

                                   By:      ProMed Asset Management, L.L.C.
                                            its General Partner


                                   By:      Blackriver Capital Management, Ltd.
                                            a Managing Member

                                   By:      /s/ Barry Kurokawa
                                            -----------------------------------
                                            Name:  Barry Kurokawa
                                            Title: President