The Cost of Getting Old: How Medicare Spending Changes With Age
You might assume older patients cost more. The data tells a more complicated story.
The Surprise Finding
Hospitals with the youngest average patient age actually have 30% higher average charges per discharge ($84,907) compared to those with the oldest patients ($59,733). Why? Medicare beneficiaries under 65 typically qualify through disability, meaning they tend to be sicker and require more intensive care.
Who Are Medicare's Patients?
Of 5,150,569 Medicare beneficiaries in our dataset:
Hospital Costs by Patient Age Quartile
We grouped hospitals into quartiles based on their average patient age and compared costs:
Why Younger Patients Cost More
The pattern seems counterintuitive until you understand who qualifies for Medicare before age 65:
- Disability-qualified beneficiaries — people under 65 who receive Medicare due to serious disabilities. They tend to have complex, costly conditions.
- End-stage renal disease (ESRD) — kidney failure patients of any age automatically qualify for Medicare, and dialysis/transplant care is expensive.
- Higher acuity — younger Medicare patients are hospitalized for more severe reasons on average, leading to longer stays and more procedures.
Meanwhile, the oldest patients (85+) are often admitted for less intensive care — falls, pneumonia, dehydration — and may have shorter stays with less aggressive treatment by patient or family choice.
Methodology
Hospitals were grouped into quartiles by average patient age. Charges represent total hospital charges per discharge (not what Medicare actually paid). Data source: 2023 Medicare Provider Analysis and Review (MedPAR) file.