EXHIBIT 11 AMSURG CORP. EARNINGS PER SHARE FOR THE THREE AND NINE MONTHS ENDED SEPTEMBER 30, 2002 AND 2001 The following is a reconciliation of the numerators and denominators of basic and diluted earnings per share (in thousands, except per share amounts): PER EARNINGS SHARES SHARE (NUMERATOR) (DENOMINATOR) AMOUNT ----------- ------------- ------ For the three months ended September 30, 2002: Basic earnings per share: Net earnings $ 6,221 20,498 $ 0.30 Effect of dilutive securities options -- 330 -------- ------- Diluted earnings per share: Net earnings $ 6,221 20,828 $ 0.30 ======== ======= For the three months ended September 30, 2001: Basic earnings per share: Net earnings $ 3,944 19,971 $ 0.20 Effect of dilutive securities options -- 457 -------- ------ Diluted earnings per share: Net earnings $ 3,944 20,428 $ 0.19 ======== ======= For the nine months ended September 30, 2002: Basic earnings per share: Net earnings $ 17,481 20,338 $ 0.86 Effect of dilutive securities options -- 361 -------- ------ Diluted earnings per share: Net earnings $ 17,481 20,699 $ 0.84 ======== ======= For the nine months ended September 30, 2001: Basic earnings per share: Net earnings $ 10,338 17,878 $ 0.58 Effect of dilutive securities options -- 651 -------- ------ Diluted earnings per share: Net earnings $ 10,338 18,529 $ 0.56 ======== =======