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

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.” Accepted. Cancer.

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 Jan 1;72(1):16-22. DOI: 10.1176/appi.ps. 202000099. 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. 2020 Dec 2. DOI: 10.1097/MLR.0000000000001475. 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. 2020 Oct 28. DOI: 10.1007/s10803-020-04704-z. PMID: 33113106

Ji X, Cox S, Grosse S, Barfield W, Armour B, Courtney-Long E, Li R. “Association of Smoke-free Policies with Premature deliveries – A Multistate Analysis.” Health Services Research. 2020 Sep. DOI: 10.1111/1475-6773.13552. PMID: 32875549 

Ji X, Cummings J, Marchak J, Han X, Mertens A. “Mental Health among Non-elderly Adult Cancer Survivors – A National Estimate.” Cancer. 2020 June; 10.1002/cncr.32988. PMID: 32538481

Ji X. “Capsule Commentary on Nelson et. al., Changes in Coverage, Access, and Health Following Implementation of Healthy Behavior Incentive Medicaid Expansions vs. Traditional Medicaid Expansions.” Journal of General Internal Medicine. 2020. DOI: 10.1007/s11606-020-06003-w. PMID: 32632789

Cummings JR, Ji X, Druss BG. “Mental Health Service Use by Medicaid-Enrolled Children and Adolescents in Primary Care Safety-Net Clinics.” Psychiatric Services. 2020 Jan: appips 201800540. PMID: 31960778


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

Role: Co-PI


Pediatric Research Alliance Pilot Grant

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)