Background: The Association of Community Cancer Centers (ACCC) created an Optimal Care Coordination Model (OCCM), which provides a comprehensive self-assessment tool designed to orient cancer programs to achieving patient-centered, multidisciplinary care. The OCCM is designed to help cancer programs, regardless of resources, location, or population, improve care for lung cancer patients, especially those on Medicaid. Methods: An environmental scan was conducted in early 2016 with a focus on coordination of care after lung cancer diagnosis to improve experiences and outcomes for Medicaid beneficiaries. Five ACCC Cancer Program Members each hosted 2-day site visits in mid-2016. Interview sessions were conducted to explore effective practices and current care models for patients with lung cancer insured by Medicaid. Key problems in care coordination were identified, as well as local solutions that had been put in place to overcome these barriers. The NCI Community Cancer Centers Program’s (NCCCP) Multidisciplinary Care (MDC) Assessment Tool was the foundational template to create the OCCM. The MDC Tool included 7 assessment areas that were identified as impactful to establishing multidisciplinary care and includes a Level 1-5 evaluation matrix. Results: The beta version of the OCCM was created in early 2017. The number of Assessment Areas was expanded to better capture current care coordination philosophies; (1) Patient Access to Care; (2) Prospective Multidisciplinary Case Planning; (3) Financial, Transportation, and Housing; (4) Management of Comorbid Conditions; (5) Care Coordination; (6) Treatment Team Integration; (7) Electronic Health Records (EHR) and Patient Access to Information; (8) Survivorship Care; (9) Supportive Care; (10) Tobacco Cessation; (11) Clinical Trials; (12) Physician Engagement; (13) Quality Measurement and Improvement. Conclusions: Seven ACCC Cancer Program Members are currently validating the model by each implementing at least one program-specific quality improvement project focused on an Assessment Area over a 12-month time period. All programs are collecting extensive data to determine the extent their program improved within an assessment area. Final results will be available for dissemination in 2019.