EXHIBIT 32.2

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

      In connection with the Transition Report of RadNet, Inc. (the "Company")
on Form 10-K/T for the two month period ended December 31, 2006, as filed with
the Securities and Exchange Commission on April 17, 2007 (the "Report"), I,
Mark D. Stolper, Chief Financial Officer of the Company, certify, pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, that:

      1. The Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934, as amended; and

      2. The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company as of, and for the periods presented in the Report.

                                                   /s/ Mark D. Stolper
                                              ----------------------------
                                                 Mark D. Stolper
                                                 Chief Financial Officer
                                                 (Principal Financial Officer)
                                                 April 17, 2007

      A signed original of this written statement required by Section 906 has
been provided to the Company and will be furnished