MSSP ACO Explorer / All ACOs / Mid South ACO, LLC
Mid South ACO, LLC
Mid South ACO, LLC (A3840) is a Medicare Shared Savings Program ACO based in Tennessee, in the BASIC track, Level E. In PY 2024 it had 21,488 assigned beneficiaries, spent 4.7% below its benchmark, and earned $6.8M in shared savings, with a quality score of 87.7. It appears in 7 performance years of CMS results, from 2018 to 2024.
4.7%savings rate, PY 2024 (median ACO 4.2%)
$6.8Mearned shared savings, PY 2024
87.7quality score, PY 2024 (median 83.1)
21,488assigned beneficiaries, PY 2024
Results by performance year
| Year | Track | Assigned | Savings rate | Benchmark minus spending | Earned savings or losses | Quality |
|---|---|---|---|---|---|---|
| 2024 | BASIC E | 21,488 | 4.7% | $13.9M | $6.8M | 87.7 |
| 2023 | BASIC D | 18,682 | 2.6% | $6.6M | $3.2M | 85.7 |
| 2022 | BASIC C | 21,250 | -2.8% | -$7.2M | $0 | 85.0 |
| 2021 | Track 1 | 22,673 | 0.1% | $310K | $0 | 92.2 |
| 2020 | Track 1 | 21,686 | 4.2% | $10.0M | $4.8M | 96.9 |
| 2019 | Track 1 | 21,179 | 1.8% | $4.5M | $0 | 99.5 |
| 2018 | Track 1 | 20,455 | -0.0% | -$22K | $0 | 100.0 |
Savings rate is benchmark minus expenditures over benchmark, as CMS defines it. Quality scores before and after PY 2021 are on different scales.
Where its beneficiaries live
In PY 2024, Mid South ACO, LLC had assigned beneficiaries in 495 counties. The ten largest:
| County | Assigned beneficiaries | Share of the ACO |
|---|---|---|
| Davidson, TN | 5,404 | 25.1% |
| Williamson, TN | 5,203 | 24.1% |
| Coffee, TN | 1,161 | 5.4% |
| Wilson, TN | 1,139 | 5.3% |
| Maury, TN | 1,065 | 4.9% |
| Sumner, TN | 1,002 | 4.6% |
| Rutherford, TN | 952 | 4.4% |
| Montgomery, TN | 677 | 3.1% |
| Franklin, TN | 534 | 2.5% |
| Robertson, TN | 316 | 1.5% |
CMS suppresses county counts of 1 to 10. Open the full footprint map in the explorer.