MSSP ACO Explorer / All ACOs / Northwestern Medicine ACO, LLC
Northwestern Medicine ACO, LLC
Northwestern Medicine ACO, LLC (A2620) is a Medicare Shared Savings Program ACO based in Illinois, in the BASIC track, Level B. In PY 2024 it had 33,622 assigned beneficiaries, spent 1.6% above its benchmark, and did not earn shared savings, with a quality score of 83.0. It appears in 10 performance years of CMS results, from 2015 to 2024.
-1.6%savings rate, PY 2024 (median ACO 4.2%)
$0earned shared savings, PY 2024
83.0quality score, PY 2024 (median 83.1)
33,622assigned beneficiaries, PY 2024
Results by performance year
| Year | Track | Assigned | Savings rate | Benchmark minus spending | Earned savings or losses | Quality |
|---|---|---|---|---|---|---|
| 2024 | BASIC B | 33,622 | -1.6% | -$7.9M | $0 | 83.0 |
| 2023 | BASIC B | 83,151 | -1.9% | -$19.6M | $0 | 82.6 |
| 2022 | BASIC B | 83,471 | -2.7% | -$25.8M | $0 | 81.8 |
| 2021 | Track 1 | 77,946 | -5.3% | -$46.2M | $0 | 95.0 |
| 2020 | Track 1 | 73,403 | -1.3% | -$9.4M | $0 | 98.2 |
| 2019 | Track 1 | 38,786 | 2.1% | $9.1M | $0 | 98.0 |
| 2018 | Track 1 | 31,143 | 0.0% | $10K | $0 | 93.3 |
| 2017 | Track 1 | 23,594 | -0.5% | -$1.2M | $0 | 94.0 |
| 2016 | Track 1 | 21,581 | -0.6% | -$1.2M | $0 | 95.8 |
| 2015 | Track 1 | 19,095 | -0.5% | -$832K | $0 | n/a |
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, Northwestern Medicine ACO, LLC had assigned beneficiaries in 464 counties. The ten largest:
| County | Assigned beneficiaries | Share of the ACO |
|---|---|---|
| Cook, IL | 22,553 | 67.1% |
| Lake, IL | 5,712 | 17.0% |
| DuPage, IL | 979 | 2.9% |
| McHenry, IL | 756 | 2.3% |
| Will, IL | 388 | 1.2% |
| Lake, IN | 360 | 1.1% |
| Kane, IL | 354 | 1.1% |
| Porter, IN | 171 | 0.5% |
| Berrien, MI | 156 | 0.5% |
| Collier, FL | 140 | 0.4% |
CMS suppresses county counts of 1 to 10. Open the full footprint map in the explorer.