Objectives: This dissertation examines the barriers for access to healthcare for the top four most uninsured Asian American subgroups (Bangladeshi, Cambodian, Korean, and Pakistani communities). Methods: Combining quantitative and qualitative approaches, this study consisted of: (1) an in-depth review of the Health Services Research literature; (2) qualitative interviews with 24 national health experts and advocates on Asian American health; (3) a survey of a non-probability sample of 107 Koreans in the tri-state region (Connecticut, New Jersey, and New York) using the Access to Healthcare Survey for Koreans in the U.S. instrument, which includes a Likert scale with 21 barrier questions and 40 questions capturing demographic, healthcare, he...