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MSSPA4830 · PY2024 · serves 1 state
Stony Brook ACO LLC
★★★★☆
quality 89.9/100 (XSPAN star)
Lives (aligned)
17,800
CMS revenue (total spend)
$295M
Benchmark
$305.1M
Shared savings earned
$4.9M
paid to the ACO by CMS (PY2024)
Savings generated
$10.1M
gross vs benchmark
Per-capita spend
$16,908
Acute admits /1k
308
ED visits /1k
619
30-day readmit rate
15.2%
Service area NYOperator John Hutter
Shared savings you retain / yr
$10.3M
3.5% of CMS revenue · keep 55%
FFS care-mgmt revenue / yr
$5.2M
1.8% of CMS revenue
Combined XSpan impact / yr
$15.5M
5.3% of CMS revenue
1 · Reduce avoidable utilization
From this ACO's own PY2024 utilization & unit costs. Gross avoidable cost: $15.9M/yr.
Avoidable acute admits reduced15%
$10.2M/yr
30-day readmissions reduced20%
on 15.24% measured rate$2.4M/yr
ED visits deflected10%
$1.4M/yr
SNF admits reduced8%
$1.9M/yr
ED cost per visit$1,300
2 · How MSSP pays you
FFS shared savings + separately-billable care-management codes.
Shared-savings rate you keep55%
BASIC 40% → ENHANCED 75%$8.7M/yr
Better care → higher rating → bonus
This ACO: 4★ today. Improving quality lifts your captured shared-savings share.
Extra share from quality gains+10 pts
$1.6M/yr
Care-management codes
$2.7M
Enrollment (of eligible)30%
$/member/month$62
~3,631 enrolled (68% eligible × 30%). Requires 2+ chronic conditions (~68% of Medicare FFS). Billable alongside RPM.
$2.5M
Enrollment (of eligible)25%
$/member/month$91
~2,225 enrolled (50% eligible × 25%). Device supply + 20-min treatment mgmt. Concurrent with CCM allowed.
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CY2024 national-average code rates — editable. In MSSP, care-management billing also counts toward ACO expenditures; net effect depends on your model.