▁appointed ▁in ▁ 1 8 7 1 ▁as ▁the ▁Super vis ing ▁Sur geon . ▁Wood worth ' s ▁title ▁was ▁later ▁changed ▁to ▁" Super vis ing ▁Sur geon ▁General ," ▁which ▁later ▁became ▁the ▁Sur geon ▁General ▁of ▁the ▁United ▁States . ▁Wood worth ▁is ▁cred ited ▁with ▁the ▁formal ▁creation ▁of ▁the ▁Commission ed ▁Corps . ▁Wood worth ▁organized ▁the ▁Marine ▁Hospital ▁Service ▁medical ▁personnel ▁along ▁Army ▁military ▁structure ▁in ▁ 1 8 8 9 ▁to ▁facil itate ▁a ▁mobile ▁force ▁of ▁health ▁profession als ▁that ▁could ▁be ▁moved ▁for ▁the ▁needs ▁of ▁the ▁service ▁and ▁country . ▁He ▁established ▁appointment ▁standards ▁and ▁designed ▁the ▁Marine ▁Hospital ▁Service ▁her ald ▁of ▁a ▁fou led ▁anchor ▁and ▁c adu ce us . ▁Later ▁that ▁year ▁of ▁ 1 8 8 9 , ▁President ▁Gro ver ▁Cleveland ▁signed ▁an ▁Act ▁into ▁law ▁that ▁formally ▁established ▁the ▁modern ▁Public ▁Health ▁Service ▁Commission ed ▁Corps ▁( then ▁the ▁Marine ▁Hospital ▁Service ▁under ▁the ▁Super vis ing ▁Sur geon ▁( l ater ▁Sur geon ▁General )). ▁At ▁first ▁open ▁only ▁to ▁phys icians , ▁over ▁the ▁course ▁of ▁the ▁tw enti eth ▁century , ▁the ▁Corps ▁expanded ▁to ▁ 1 1 ▁care ers ▁in ▁a ▁wide ▁range ▁of ▁special ties ▁to ▁include ▁veter in ari ans , ▁dent ists , ▁engine ers , ▁ph arm ac ists , ▁n urs es , ▁environmental ▁health ▁special ists , ▁scient ists , ▁di et iti ans , ▁and ▁other ▁al lied ▁health ▁profession als . ▁ ▁Today