Establishes a Dementia Data Pilot Program within the Executive Office on Aging. Authorizes the Executive Office on Aging to collaborate with a health care system for the pilot program; health care providers participating in the pilot program to submit certain information to the Executive Office on Aging; and the Executive Office on Aging to report de-identified aggregated data to the Legislature. Adds a new part to Chapter 349, Hawaii Revised Statutes, requiring, with certain exceptions, standardized cognitive assessments for qualified patients who are Medicare beneficiaries. Appropriates funds. Effective 7/1/2050. (SD2)