I understand you want a medical website to be designed creatively which make users to understand clearly the website has 3 different database and also developed in a very systematically way.
Relevant Skills and Experience
Rich experience in developing complex and functional websites with multi access system and with various database.
PHP, MySql, Angular.js, jQuery, Boostrap, Ajax, JavaScript, HTML5, CSS3, Restful, etc.
Proposed Milestones
$500 USD - Creating creative website desings and build it responsive.
$819 USD - Creating features to access wholesale clients, retail clients and drug database information.
$1000 USD - Development of website back end, integration of database APIs to access information & other features
How the different databases will be accessed? Please confirm, if it will be done via APIs.