MSSP ACO Explorer / All ACOs / Memorial Hermann Accountable Care Organization
Memorial Hermann Accountable Care Organization
Memorial Hermann Accountable Care Organization (A1175) is a Medicare Shared Savings Program ACO based in Texas, in the BASIC track, Level E. In PY 2024 it had 24,518 assigned beneficiaries, spent 2.3% below its benchmark, and earned $3.9M in shared savings, with a quality score of 82.5. It appears in 12 performance years of CMS results, from 2013 to 2024.
2.3%savings rate, PY 2024 (median ACO 4.2%)
$3.9Mearned shared savings, PY 2024
82.5quality score, PY 2024 (median 83.1)
24,518assigned beneficiaries, PY 2024
Results by performance year
| Year | Track | Assigned | Savings rate | Benchmark minus spending | Earned savings or losses | Quality |
|---|---|---|---|---|---|---|
| 2024 | BASIC E | 24,518 | 2.3% | $7.9M | $3.9M | 82.5 |
| 2023 | BASIC E | 27,806 | 2.0% | $7.2M | $3.5M | 84.8 |
| 2022 | BASIC D | 31,752 | 3.7% | $14.2M | $7.0M | 85.0 |
| 2021 | BASIC B | 35,029 | 2.1% | $8.9M | $0 | 94.6 |
| 2020 | BASIC B | 43,213 | 6.0% | $29.6M | $11.5M | 97.2 |
| 2019 July to December 2019 (6 months) | BASIC B | 42,547 | 2.5% | $6.8M | $2.6M | 95.6 |
| 2019 January to June 2019 (6 months) | Track 1 | 48,086 | 5.5% | $15.7M | $7.5M | 95.6 |
| 2018 | Track 1 | 50,694 | 2.9% | $17.5M | $8.0M | 92.7 |
| 2017 | Track 1 | 51,199 | 5.6% | $32.1M | $14.5M | 92.1 |
| 2016 | Track 1 | 51,337 | 5.5% | $31.1M | $14.0M | 92.0 |
| 2015 | Track 1 | 50,055 | 14.0% | $89.1M | $41.9M | 96.0 |
| 2014 | Track 1 | 40,911 | 11.0% | $52.9M | $22.7M | 88.0 |
| 2013 July 2012 to December 2013 (18 months) | Track 1 | 34,430 | 11.5% | $57.8M | $28.3M | 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, Memorial Hermann Accountable Care Organization had assigned beneficiaries in 397 counties. The ten largest:
| County | Assigned beneficiaries | Share of the ACO |
|---|---|---|
| Harris, TX | 12,671 | 51.4% |
| Fort Bend, TX | 4,973 | 20.2% |
| Montgomery, TX | 2,501 | 10.1% |
| Brazoria, TX | 1,581 | 6.4% |
| Galveston, TX | 795 | 3.2% |
| Wharton, TX | 315 | 1.3% |
| Waller, TX | 239 | 1.0% |
| Austin, TX | 129 | 0.5% |
| Polk, TX | 65 | 0.3% |
| Liberty, TX | 61 | 0.2% |
CMS suppresses county counts of 1 to 10. Open the full footprint map in the explorer.