Yes the Pepperdine University requires GMAT scores for admission in the MBA program, as the eligibility for admission in the program is as following:

Eligibility
The candidate should have completed graduation with good academic record from any recognized university and should have work experience and have valid score of the entrance examination.

Required GMAT score:
MBA, IMBA, Joint MBAs: 37B-BJ-56

If you want to know more about it then you should contact to the Pepperdine University personally…