Re: OPTIONS Dear Mr. Brodsky: In connection with that Stock Option Agreement dated December 7, 1998 between us wherein you granted me options to purchase 63,922 post-split shares of common stock of National Medical Health Card Systems, Inc. registered...

                                  EXHIBIT 10.13

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                                                          February 1, 2000

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                                   Re: OPTIONS

Dear Xx. Xxxxxxx:

     In  connection  with that Stock  Option  Agreement  dated  December 7, 1998
between us wherein you granted me options to purchase 63,922  post-split  shares
of common stock of National Medical Health Card Systems, Inc. registered in your
name at an exercise price of $5.87 per share (the "Options"), I hereby surrender
such Options effective immediately.

                                                          Very truly yours,



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