Clinical Report: Cancer Outcomes Among American Indian and Alaska Native Beneficiaries

Overview

This nationwide, multiyear cross-sectional study examined cancer prevalence, health care utilization, spending, and all-cause mortality among American Indian and Alaska Native beneficiaries enrolled in traditional fee-for-service Medicare from 2016 through 2023. The supplied article excerpt describes the study design and clinical context but does not provide its numerical outcome results.

Background

American Indian and Alaska Native populations experience disproportionate cancer outcomes, with reported variation in cancer incidence, screening uptake, and access to services. Factors associated with these disparities include socioeconomic conditions, historical marginalization, rurality, exposures, and cultural dynamics. Population-level assessment is complicated by heterogeneity among tribal nations and fragmented health care data. The study sought to address limited evidence integrating cancer outcomes and utilization by analyzing a near-population cohort of traditional Medicare beneficiaries.

Data Highlights

Key Findings

• The study used aggregated, deidentified Medicare beneficiary summary files and prescription drug event data to assess cancer prevalence, utilization, spending, and mortality.
• Annual independent cross-sections covered 2016 through 2023 and included beneficiaries continuously enrolled in Medicare Parts A and/or B, regardless of Part D enrollment.
• Race was self-reported in the Social Security enrollment database; missing race values were imputed using the Research Triangle Institute Race Code algorithm.
• The any-cancer category counted beneficiaries with cancer diagnoses once, removing duplicates among people with multiple malignancies.
• Medicare Parts A and B claims identified facility settings, including emergency departments and intensive care units; Indian Health Service facility services were submitted through Medicare claims.
• The supplied excerpt does not report the study's comparative outcome estimates or numerical findings. Related commentary describes the analysis as addressing cancer inequities and questions how fully Medicare claims capture disparities and health care experiences.

Clinical Implications

The study provides a claims-based framework for examining cancer care and outcomes among American Indian and Alaska Native traditional Medicare beneficiaries, while its measures are limited to information captured in Medicare claims. The supplied material does not provide outcome estimates or specific clinical recommendations.

Conclusion

This nationwide analysis was designed to characterize cancer prevalence, health care use, spending, and all-cause mortality among American Indian and Alaska Native beneficiaries in traditional Medicare. The provided excerpt establishes the methods and context but does not include the study's outcome results.

Related Resources & Content

1. Olsen and Tobey, JAMA Network Open, year not stated in supplied material — Medicare Claims Reveal Cancer-Related Disparities Among American Indian and Alaska Native Beneficiaries
2. Adams SV, Burnett-Hartman AN, Bansal A, et al., ASCO Publications, 2014 — The association between American Indian/Alaska Native race and time to treatment initiation for nonmetastatic breast, colorectal, and lung cancer patients in Medicare
3. The ASCO Post, 2024 — Overcoming the Disparity in Cancer Incidence and Mortality Rates Among Alaska Native Individuals
4. ASCO Publications — Cancer mortality burden and trends in the adult Native American population in the United States: A 21-year national analysis across several groups of malignancies.
5. Annual Report to the Nation on the Status of Cancer
6. The State of U.S. Cancer Disparities in 2026
7. Annual Report to the Nation on the Status of Cancer | Cancer | CDC
8. The State of U.S. Cancer Disparities in 2026 | AACR
9. Outcomes for American Indian and Alaska Native Populations With Cancer in Traditional Medicare | Oncology | JAMA Network Open | JAMA Network
10. Press Releases
11. Final Recommendation Statement: Lung Cancer: Screening | United States Preventive Services Taskforce
12. Recommendation: Breast Cancer: Screening | United States Preventive Services Taskforce