SUPPLEMENT NO. 14 DATED FEBRUARY 19, 1998
                      TO PROSPECTUS DATED SEPTEMBER 3, 1996
          RELATING TO $125,000,000 PRINCIPAL AMOUNT 5 5/8% CONVERTIBLE
                         SUBORDINATED NOTES DUE 2006 AND
                               3,654,971 SHARES OF
                          RENAL TREATMENT CENTERS, INC.
                          COMMON STOCK, $.01 PAR VALUE


         All capitalized terms used but not defined herein shall have the
meanings prescribed in the Prospectus dated September 3, 1996, as supplemented
by Supplement No. 1 dated December 2, 1996, Supplement No. 2 dated December 9,
1996, Supplement No. 3 dated January 6, 1997, Supplement No. 4 dated January 13,
1997, Supplement No. 5 dated February 18, 1997, Supplement No. 6 dated March 17,
1997, Supplement No. 7 dated April 30, 1997, Supplement No. 8 dated May 9, 1997,
Supplement No. 9 dated May 12, 1997, Supplement No. 10 dated June 27, 1997,
Supplement No. 11 dated August 21, 1997, Supplement No. 12 dated November 21,
1997 and Supplement No. 13 dated December 23, 1997, forming a part of Form S-3
Registration Statement No. 333-10839.

         The purpose of this supplement is to provide additional information
regarding the Selling Securityholders. The Selling Securityholder in the table
below is identified by this supplement. The Notes beneficially owned by this
Selling Securityholder were previously listed in the Prospectus under the names
of the nominee or Depository Trust Company participant holding the Notes for the
benefit of the Selling Securityholder or the persons from whom the Selling
Securityholder purchased the Notes. The table has been prepared based upon
information furnished to the Company by or on behalf of the Selling
Securityholder.




                                           Principal Amount of                       Number of    
                                            Notes Beneficially                      Conversion    
                                                  Owned              Percentage       Shares        Percentage
                                                 That May             of Notes       That May     of Common Stock
Name                                           Be Sold ($)          Outstanding     Be Sold (1)    Outstanding (2)
- ----                                       -------------------      -----------     -----------   ----------------
                                                                                             
McMahan Securities Company, L.P.                415,000                 *             12,134              *


- --------------------
* Less than 1%.

(1)  Assumes conversion of the full amount of Notes held by such holder at the
     current conversion rate of $34.20 in principal amount of Notes per share of
     Common Stock. Under the terms of the Indenture, fractional shares will not
     be issued upon conversion of the Notes; cash will be paid in lieu of
     fractional shares, if any.

(2)  Computed in accordance with Rule 13d-3(d)(i) promulgated under the Exchange
     Act based upon the 25,080,287 shares of Common Stock outstanding as of
     January 20, 1998, treating as outstanding the number of Conversion Shares
     shown as being issuable upon the assumed conversion by the named holder of
     the full amount of such holder's Notes but not assuming the conversion of
     the Notes of any other holders.

         Other than its ownership of the Company's securities, the foregoing
Selling Securityholder has not had any material relationship with the Company
within the past three years.