On 03 February 1998, MCIS acquired the distinction of being one of the first medical clinics in the Philippines awarded with an ISO 9002 certification, and then upgraded to ISO 9001:2008 standards. Its current ISO certifying body is Bureau Veritas Certification Philippines (BVCP).

The clinic is accredited by the Department of Health, Philippine Overseas Employment Agency, the Marina, the Norwegian Maritime Directorate, Netherlands Shipping Inspectorate and the Embassy of Sweden. It also issues medical certificates for NIS, Danish, Panamanian, Maritime & Port Authority of Singapore, Malaysian, Marshall Islands, Antigua & Barbuda, Liberian, Bahamas, Malta, Dutch, Chinese/Hongkong and Swedish flagships.

MCIS was the world's first clinic chosen by the U.K. P & I Club to participate in their PEME PILOT PROJECT. It is presently an accredited clinic of U.K. P & I Club.

On 20 July 2005, MCIS was awarded as the Most Outstanding Clinic for Maritime Medicine Nationwide by Philippine Marketing Excellence Award Institute, Asian Institute of Marketing and Entrepreneurship and Sales and Marketing Magazine

On 09 November 2006, MCIS received the National Award for Best Maritime Medicine Specialist, given by Philippine Brilliance Awards for Products and Services.

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