Hours Of Operations Otsuka America Pharmaceutical Maryland Rockville 20850 Otsuka America Pharmaceutical Hours of Operation and Location in Rockville, MD 20850 4.3 - 19 votes 490 Fleet St, Rockville, MD 20850 (301) 424-9055 Get Directions Otsuka America Pharmaceutical Hours Category: Beauty & Health Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore RockvilleView More Apparel MarshallsTJ MaxxRoss Dress for LessH & MCarter's Sports TargetSports AuthorityLA FitnessColemanBasic Basic Jewelry MarshallsChico'sAvonJ JillTen Thousand Villages Recommend For You Omnicare Incorporated Heavenly Nails Pomegranate & Company Sandys Hair Studio Perfect Nails Jda Software Group Incorporated Sni Company Sybase Incorporated Ixc Communications Sap America Incorporated