Jen Associates Inc. | 98 followers on LinkedIn. JEN Associates, Inc. is a health care data analytics firm that enables health programs, policy makers, and government agencies to create health care policy through effective analysis and use of data. Our focus has been in evaluating Medicare and Medicaid populations, with special attention to the frail elderly, adult disabled, and special needs children. Our core product, iMMRS, is used by Medicare and Medicaid programs nationwide as a secure decision-support interface to multiple large health care databases.