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

                                    FORM 10-K/A#1

(Mark One)
[X]      ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
         EXCHANGE ACT OF 1934 [FEE REQUIRED]

For the fiscal year ended DECEMBER 31, 1999

                                       OR

[ ]      TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
         EXCHANGE ACT OF 1934 [NO FEE REQUIRED]

            For the transition period from____________ to __________
                         Commission file number 0-6906


                                 MEDICORE, INC.
                      -------------------------------------
             (Exact name of registrant as specified in its charter)

                     FLORIDA                        59-0941551
        ------------------------------          -------------------
       (State or other jurisdiction of           (I.R.S. Employer
        incorporation or organization)          Identification No.)

  2337 WEST 76TH STREET, HIALEAH, FLORIDA              33016
-------------------------------------------         ----------
 (Address of principal executive offices)           (Zip Code)

        Registrant's telephone number, including area code (305) 558-4000

           Securities registered pursuant to Section 12(b) of the Act:

                                      None

           Securities registered pursuant to Section 12(g) of the Act:

                               TITLE OF EACH CLASS
                          ----------------------------
                          Common Stock, $.01 par value

         Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days. Yes [X] No [ ]

         Indicate by check mark if disclosure of delinquent filers pursuant to
Item 405 of Regulation S-K is not contained herein, and will not be contained,
to the best of registrant's knowledge, in definitive proxy or information
statements incorporated by reference in Part III of this Form 10-K or any
amendment to this Form 10-K. [X]

         The aggregate market value of the voting stock held by non-affiliates
of the registrant based upon the closing price of the common stock on March 20,
2000 was approximately $14,550,000.

         As of March 20, 2000 the Company had outstanding 5,710,540 shares of
common stock.

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<PAGE>

                       DOCUMENTS INCORPORATED BY REFERENCE


         Part III incorporates information by reference from the Proxy Statement
in connection with the Registrant's Annual Meeting of Shareholders anticipated
to be held on May 24, 2000.

         Registrant's Annual Reports, Forms 10-K, for the years ended December
31, 1994, 1995, 1997 and 1998, Part IV, Exhibits.

         Annual Reports for Registrant's Subsidiary, Techdyne, Inc., Forms 10-K
for the years ended December 31, 1991, 1995 and 1997, Part IV, Exhibits.

         Registration Statement of Registrant's Subsidiary, Techdyne, Inc., Form
SB-2, effective September 13, 1995, Registration No. 33-94998-A, Part II, Item
27, Exhibits.

         Registration Statement of Registrant's Subsidiary, Techdyne, Inc., Form
S-3, Effective December 11, 1996, Registration No. 333-15371, Part II, Item 16,
Exhibits.

         Annual Report for Registrant's Subsidiary Dialysis Corporation of
America, Form 10-K for the years ended December 31, 1996, 1997 and 1998, Part
IV, Exhibits.

         Registration Statement of Registrant's Subsidiary, Dialysis Corporation
of America, Form SB-2, effective April 17, 1996, Registration No. 333-80877A,
Part II, Item 27, Exhibits.

<PAGE>



                                                                   EXHIBIT 23(i)

               CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

            We consent to the incorporation by reference in the Registration
Statement (Form S-3, No. 333-26769) of Medicore, Inc. and in the related
Prospectus of our report dated March 22, 1999, with respect to the consolidated
financial statements and schedule of Medicore, Inc. as of and for the two years
ended December 31, 1998 included in its Annual Report (Form 10-K) for the year
ended December 31, 1999.

                                                     /s/ ERNST & YOUNG LLP
                                                     ---------------------
                                                     Ernst & Young LLP


March 25, 2000
Miami, Florida

<PAGE>


                                   SIGNATURES

         Pursuant to the requirements of Sections 13 or 15(d) of the Securities
Exchange Act of 1934, the registrant has duly caused this report, as amended,
to be signed on its behalf by the undersigned, thereunto duly authorized.

                                       MEDICORE, INC.


                                       By /s/ THOMAS K. LANGBEIN
                                          -----------------------------
                                          THOMAS K. LANGBEIN, Chairman
                                          of the Board of Directors, Chief
                                          Executive Officer and President

March 30, 2000

         Pursuant to the requirements of the Securities Exchange Act of 1934,
this report, as amended, has been signed below by the following persons on
behalf of the registrant and in the capacities and on the dates indicated.
<TABLE>
<CAPTION>

NAME                                                 TITLE                            DATE

<S>                                 <C>                                         <C>
/s/ THOMAS K. LANGBEIN              Chairman of the Board of Directors,
---------------------------         Chief Executive Officer and President       March 30, 2000
    Thomas K. Langbein

/s/ SEYMOUR FRIEND                  Vice President and Director                 March 30, 2000
---------------------------
    Seymour Friend

/s/ DANIEL R. OUZTS                 Vice-President, Principal Financial
---------------------------         Officer and Controller                      March 30, 2000
    Daniel R. Ouzts

/s/ PETER D. FISCHBEIN              Director                                    March 30, 2000
---------------------------
    Peter D. Fischbein

/s/ ANTHONY C. D'AMORE              Director                                    March 30, 2000
---------------------------
    Anthony C. D'Amore

/s/ ROBERT P. MAGRANN               Director                                    March 30, 2000
---------------------------
    Robert P. Magrann
</TABLE>