Dr. Xu Ji is a health services researcher at the Aflac Cancer and Blood Disorders Center of Children's Healthcare of Atlanta (Children's) and Emory University School of Medicine. Before joining Children's and Emory University, Dr. Ji worked at the Centers for Disease Control and Prevention as a postdoctoral health economist for two years. She received her PhD in health services research and health policy, economics track, from Emory Rollins School of Public Health. 

Dr. Ji’s research focuses on pediatric cancer care and cancer survivorship, leveraging rigorous quantitative methods and big data analytics. Her current projects focus on healthcare access, quality, and outcomes among childhood and adolescent/young adult (AYA) cancer survivors, with a particular focus on those with public health insurance. Dr. Ji studies the changes in pediatric and AYA cancer treatment and outcomes following the implementation of healthcare interventions and policies. Another research area of her interest is cost and cost-effectiveness analyses on new cancer therapies. 

  • Cancer Survivorship
  • Pediatric Cancer Care
  • Health Services Research
  • Health Economics
  • Mental Health

Kong Y, Ji X, Han X, Zhang B. "Incidence and trend of pediatric neurological cancer in the United States from 1975 to 2016." In Press. Cancer Causes & Control.

Ji X, Castellino S, Mertens A, Zhao J, Nogueira L, Jemal A, Yabroff KR, Han X. “Association of Medicaid Expansion with Cancer Stage and Disparities in Newly Diagnosed Young Adults.” JNCI: Journal of the National Cancer Institute. 2021 May 21. DOI: 10.1093/jnci/djab105. Online ahead of print. PMID: 34021352

Vladutiu C, Mobley S, Ji X, Thomas S, Kandasamy V, Sutherland D, Inglett S, Li R, Cox S. “A Methodological Approach for Evaluating the Enterprise Community Healthy Start Program in Rural Georgia: An Analysis Using Linked PRAMS, Birth Records and Program Data.” Maternal and Child Health Journal. 2021;25(10):1516-1525. PMID: 34417685

Ji X, Marchak J, Mertens A, Curseen K, Zarrabi A, Cummings J. “National Estimates of Mental Health Service Use and Unmet Need in Adult Cancer Survivors.” Cancer. 2021;127(22):4296-4305. PMID: 34378803

Ji X, Cummings J, Mertens A, Wen H, Effinger K. “Substance Use, Substance Use Disorders, and Treatment in Adolescent and Young Adult Cancer Survivors – Results from a National Survey.” Cancer. 2021;127(17):3223-3231. PMID: 33974717

Grosse S, Ji X, Nichols P, Zuvekas S, Rice C, Yeargin-Allsopp M. “Spending on Young Children with Autism Spectrum Disorder in Employer-Sponsored Plans, 2011–2017.” Psychiatric Services. 2021;72(1):16-22. PMID: 33076792

Ji X, Height S, Ko J, Cox S, Barfield W, Zhang K, Guy G, Li R. “Association Between State Policies on Improving Opioid Prescribing in 2 States and Opioid Overdose Rates Among Reproductive-aged Women.” Medical Care. 2021;59(2):185-192. PMID: 33273289

Zuvekas S, Grosse S, Dietz P, Maenner M, Ji X. “Healthcare Costs of Pediatric Autism Spectrum Disorder in the United States, 2003-2015.” Journal of Autism and Developmental Disorders. 2021;51(8):2950-2958. PMID: 33113106

Ji X, Cox S, Grosse S, Barfield W, Armour B, Courtney-Long E, Li R. “Association of Smoke-Free Laws with Preterm or Low Birth Weight Deliveries - A Multistate Analysis.” Health Services Research. 2021;56(1):61-72. PMID: 32875549

Cummings J, Ji X, Druss BG. “Mental Health Service Use by Medicaid-Enrolled Children and Adolescents in Primary Care Safety-Net Clinics.” Psychiatric Services. 2020;71(4):328-336. PMID: 31960778



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Understanding the impact of the Affordable Care Act on healthcare coverage, utilization, and outcomes for childhood cancer survivors

Role: PI



Understanding the impact of the Affordable Care Act on cancer treatment and outcomes for adolescents and young adults

Role: MPI/Contact PI


Emory's Woodruff Health Sciences Center (Synergy Award)

Access to and engagement in mental health services among Medicaid-enrolled adolescents with and without a cancer history – The role of telemental health

Role: MPI/Contact PI


Pediatric Research Alliance Pilot Grant (Junior Faculty Focused Award)

Evaluating the Impact of Health Insurance on Childhood Cancer Survival

Role: PI


Centers for Disease Control and Prevention

Effect of Survivorship Care Plans on Cancer Mortality

Role: Co-I

PI: Kegler/Mertens

AcademyHealth Outstanding Dissertation Award - (2018)