O FALLON, MO 63366
CMS Certification Number (CCN): 265839 · 55 beds
ABBEY SENIOR HEALTH is a Medicare-certified nursing home in O FALLON, MO (CMS Certification Number 265839). CMS rates it 3 out of 5 stars overall (health inspection 2/5, staffing 5/5, quality measures 2/5). Federal inspection records list 29 health deficiencies, including 1 serious deficiency flag. The most recent survey date on record is June 11, 2026. This page summarizes public CMS inspection, staffing, penalty, and ownership data so families can research a nursing home before choosing care. It is not medical advice or a recommendation.
| Overall CMS rating | ★★★☆☆ 3/5 |
| Health inspection | ★★☆☆☆ 2/5 |
| Staffing | ★★★★★ 5/5 |
| Quality measures | ★★☆☆☆ 2/5 |
| Total health deficiencies | 29 |
| Most recent inspection / survey date | June 11, 2026 |
| Serious deficiency flags | 1 |
| Harm citations | 1 |
| Immediate jeopardy citations | 0 |
| CMS abuse icon | Yes |
| Total federal fines | $0 |
| Fine count | 0 |
| Payment denials | 1 |
| Staffing star rating | ★★★★★ 5/5 |
| RN hours per resident day | 0.73 |
| Total nurse staffing hours per resident day | 4.74 |
| Days with zero RN hours | 0.0% |
Ownership type: Organization