Abbey Senior Health: Staffing, Turnover, and Inspection Record
Abbey Senior Health is a 55-bed for-profit nursing home in O Fallon, Missouri. In the CMS August 2026 release it reported 2.94 nurse aide hours per resident per day, 28% above the Missouri average of 2.29, and 35.6% nursing staff turnover (Missouri average 56.0%).
Abbey Senior Health
206 North Main StreetO Fallon, MO 63366
St. Charles County
CMS Care Compare, August 2026 release
Cited for abuse or neglect. CMS marks this home with its abuse icon: it was cited for abuse or neglect that caused harm on its most recent inspection cycle, or for abuse or neglect with potential for harm on each of its last two cycles.
How many staff hours residents get
CMS reports staffing as hours per resident per day, from the payroll records each home submits. At Abbey Senior Health, nurse aides logged 2.94 hours per resident per day, 28% above the Missouri average. With about 50 residents a day, that works out to roughly 148 aide hours a day, or about 19 eight-hour aide shifts across day, evening, and night. On weekends, total nursing hours per resident ran 13% below the all-days figure.
| Hours per resident per day | This home | Missouri avg | US avg |
|---|---|---|---|
| Nurse aides (CNAs) | 2.94 | 2.29 | 2.32 |
| Licensed practical nurses | 1.07 | 0.68 | 0.86 |
| Registered nurses | 0.73 | 0.46 | 0.69 |
| All nursing staff | 4.74 | 3.43 | 3.86 |
| All nursing staff, weekends | 4.10 | 3.02 | 3.42 |
CMS Care Compare, August 2026 release: reported staffing hours from Payroll-Based Journal data, and CMS state and US averages.
Staff turnover
35.6% of nursing staff at Abbey Senior Health left over the year CMS measured, against a Missouri average of 56.0% and a US average of 45.8%. Registered nurse turnover was 27.3%. No administrators left over the same period.
Inspections and penalties
State inspectors last completed a standard health inspection on Oct 25, 2024. The most recent inspection cycle, which also counts complaint and infection-control inspections from the past 12 months, found 11 health deficiencies (Missouri average 11.5). CMS lists no fines or payment denials for this home in the last three years.
CMS star ratings
CMS rates every nursing home from one to five stars overall and on health inspections, staffing, and quality measures. Abbey Senior Health holds 3 of 5 overall; the Missouri average is 2.5.
About Abbey Senior Health
- Ownership: For profit - Limited Liability company
- Legal name: Mount Carmel Communities O'Fallon LLC
- Medicare and Medicaid certified since: Mar 1, 2011
- Part of a continuing care retirement community
- Councils: resident council
- Area: urban
Nursing homes near Abbey Senior Health
The closest homes by distance, with the same CMS figures. Select a column to sort.
| Garden View Care Center O Fallon · abuse citation | 1.1 | 80 | 3.37 | 4.67 | 62.1% | 1 | None |
| Delmar Gardens of O'Fallon O Fallon | 3.7 | 198 | 3.01 | 4.20 | 42.7% | 3 | None |
| Sunterra Springs Dardenne Prairie Dardenne Prairie | 4.3 | 38 | 2.20 | 4.46 | 76.1% | 2 | $49,722 |
| Cottages of Lake St Louis Lake Saint Louis | 4.9 | 60 | 3.92 | 6.03 | 57.5% | 4 | $17,696 |
| St Peters Post Acute Saint Peters | 4.9 | 130 | 2.36 | 3.66 | 72.0% | 1 | $69,999 |
| Ignite Medical Resort St Peters Saint Peters | 4.9 | 91 | 2.31 | 4.12 | — | — | None |
| St Peters Rehab and Healthcare Center Saint Peters · SFF candidate · abuse citation | 5.4 | 96 | 2.40 | 3.32 | 67.0% | 1 | $168,026 |
| Lutheran Senior Services at Breeze Park Saint Charles | 6.6 | 50 | 2.57 | 4.71 | 37.9% | 4 | $41,347 |
Aide hrs and all nurse hrs are staff hours per resident per day. Fines are the CMS total for the last three years. Turnover is the share of nursing staff who left over a year. All figures from CMS Care Compare.
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Source: CMS Care Compare Provider Information, State and US Averages, and Penalties files, August 2026 release. Figures are as CMS publishes them; check Medicare Care Compare for the latest. Methodology.