Memorial Sloan Kettering Cancer Center vs Mayo Clinic
Side-by-side nonprofit efficiency comparison from IRS 990 data
Memorial Sloan Kettering Cancer Center and Mayo Clinic are meaningfully apart on the NonprofitTruth efficiency rubric — Memorial Sloan Kettering Cancer Center grades B while Mayo Clinic grades C. The gap usually traces to one of the three factors (financial reserves, revenue-growth consistency, or officer compensation) being substantially different at one organization versus the other.
Memorial Sloan Kettering Cancer Center comes out ahead on the composite efficiency score. For a donor evaluating which organization to fund, the spread is large enough that the rubric-based recommendation is reasonably reliable — but it's still one input among many, not a complete answer.
Verdict
Memorial Sloan Kettering Cancer Center earns a higher Efficiency Score of 76/100 (B) compared to Mayo Clinic at 55/100 (C), based on financial reserves, multi-year revenue consistency, and officer-comp ratio drawn from each organization's IRS Form 990. Current-officer compensation: Memorial Sloan Kettering Cancer Center at $50,997,456 vs Mayo Clinic at $21,062,793.
| Metric | Memorial Sloan Kettering Cancer Center | Mayo Clinic |
|---|---|---|
| Efficiency Score Composite of financial reserves, multi-year revenue, and officer-comp ratio | 76/100 (B)* | 55/100 (C) |
| Officer Compensation Total compensation for current officers & key employees (Form 990 Part IX, line 5) | $50,997,456 | $21,062,793* |
| Revenue | $7.5B | $7.1B |
| Total Expenses | $7.2B | $5.7B |
| Total Assets | $14.7B | $22.1B |
| Category | Health | Health |
| Location | New York, New York | Rochester, Minnesota |
Memorial Sloan Kettering Cancer Center earns a higher Efficiency Score of 76/100 (B) compared to Mayo Clinic at 55/100 (C), based on financial reserves, multi-year revenue consistency, and officer-comp ratio drawn from each organization's IRS Form 990. Current-officer compensation: Memorial Sloan Kettering Cancer Center at $50,997,456 vs Mayo Clinic at $21,062,793.