UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
     PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

                          Date of Report: May 24, 2007

                 (Date of Earliest Event Reported: May 24, 2007)

                                  RADNET, INC.
             (Exact name of registrant as specified in its Charter)

          New York                                          13-3326724
(State or Other Jurisdiction of                (IRS Employer Identification No.)
      Incorporation)

                                     0-19019
                            (Commission File Number)

                               1510 Cotner Avenue
                          Los Angeles, California 90025
               (Address of Principal Executive Offices) (Zip Code)

                                 (310) 478-7808
              (Registrant's Telephone Number, Including Area Code)


Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
Act (17 CFR 240.14d-2(b) )

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
Act (17 CFR 240.13e-4(c) )



SECTION 7.01 REGULATION FD DISCLOSURE.

         On May 24, 2007, Registrant issued a press release announcing the
acquisition of imaging centers in Rochester, New York. The press release is
attached as Exhibit 99.1 to this report and is incorporated herein by this
reference.

SECTION 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

         (c) Exhibits

         EXHIBIT NUMBER            DESCRIPTION
         --------------            -----------

              99.1            Press release dated May 24, 2007.


THE INFORMATION IN THIS CURRENT REPORT ON FORM 8-K, INCLUDING THE EXHIBITS
THERETO, WILL NOT BE TREATED AS FILED FOR THE PURPOSES OF SECTION 18 OF THE
SECURITIES EXCHANGE ACT OF 1934 OR OTHERWISE SUBJECT TO THE LIABILITIES OF THAT
SECTION. THIS INFORMATION WILL NOT BE INCORPORATED BY REFERENCE INTO A FILING
UNDER THE SECURITIES ACT OF 1933, OR INTO ANOTHER FILING UNDER THE SECURITIES
EXCHANGE ACT OF 1934, UNLESS THAT FILING EXPRESSLY REFERS TO SPECIFIC
INFORMATION IN THIS REPORT.


                                   SIGNATURES

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


Date:  May 24, 2007                       PRIMEDEX HEALTH SYSTEMS, INC.


                                          By: /s/ Howard G. Berger, M.D.
                                              ----------------------------------
                                              Howard G. Berger, M.D.
                                              President



                                  EXHIBIT INDEX


     EXHIBIT NUMBER                     DESCRIPTION
     --------------                     -----------
          99.1             Press release dated May 24, 2007.