"Completing the SOC 2 Type II audit demonstrates evidence of our ongoing promise to keep our clients' data safe while delivering high quality, unbiased, independent medical examinations and reviews." About MedSource National MedSource National offers insurance carriers, employers, law firms, third party administrators and other clients a complete array of medical services including independent medical examination, medical peer review, specialty bill review, expert witness evaluation, medicare set-aside and more. MedSource Services Inc., a Michigan based, independent exam and review firm servicing the Midwest since 1993 is an affiliate company of MedSource National.