EXHIBIT 3.89

                                STATE of DELAWARE
                            LIMITED LIABILITY COMPANY
                            CERTIFICATE of FORMATION


                  FIRST: The name of the limited liability company is Partners
                  Health Group, LLC.

                  SECOND: The address of its registered office in the State of
                  Delaware is 30 Old Rudnick Lane, Suite 100 in the City of
                  Dover, County of Kent. The name of its Registered Agent at
                  such address is Lexis Document Services, Inc.

                  THIRD: None.

                  FOURTH: None.