St. Charles County, Missouri · Nursing home
Abbey Senior Health
3 of 5 overall from CMS
206 North Main Street, O Fallon, MO 63366
At a glance
- Overall rating 3 of 5 Above the state average of 2.5
- Nurse time per resident, per day 4.74 hours Above the state average of 3.43
- Nursing staff who left in a year 35.6% Below the state average of 56.0%
- Health citations, last 3 inspection cycles 27 1 at the harm level or above
- Fines in 3 years None None listed by CMS
- Certified beds in use 91.6% of 55 beds, on an average day
Arrows only show whether a figure is above or below the state average. They are not a judgment of the home.
Abbey Senior Health is a 55-bed nursing home in O Fallon, Missouri (St. Charles County). CMS rates it 3 of 5 stars overall as of Sep 2026. It reports 4.74 nurse staffing hours per resident per day, above the Missouri average of 3.43. CMS lists no fines in the past three years.
- Certified beds
- 55
- Residents per day (average)
- 50.4
- Certified since
- 2011 (15 yrs)
For profit - Limited Liability company Participates in Medicare and MedicaidContinuing care retirement communityCMS abuse citation icon: Yes
Bed use is this site's calculation: average residents per day divided by certified beds. It is an average, so it does not show today's openings.
- Abuse citation icon. CMS assigns this icon when a home was cited for abuse where residents were found to be harmed, on its most recent standard inspection or on a complaint or infection-control inspection in the past 12 months, or was cited for abuse with potential harm in that period and again in the period before. Signs of abuse and how to report it
These labels are shown as CMS publishes them. They describe the inspection record, not what has changed since.
Terms used on this page
- CMS
- The Centers for Medicare & Medicaid Services, the federal agency that publishes the ratings, staffing figures, inspection results and penalties shown here.
- Certified beds
- The number of federally certified beds CMS lists for the home.
- Deficiency or citation
- A federal requirement that inspectors found the home did not meet. Each one gets a letter from A to L for how serious it was and how many residents were affected. What the letters mean
- Actual harm
- Letters G, H and I: actual harm to a resident that is not immediate jeopardy.
- Immediate jeopardy
- Letters J, K and L: the problem caused, or was likely to cause, serious injury, harm, impairment or death to a resident.
- Inspection cycle
- A standard inspection plus the complaint and infection-control citations CMS assigns to it. This page shows the three most recent cycles.
- Special Focus Facility (SFF)
- A home CMS has placed under closer oversight because of its inspection record. More about the program
Questions to ask Abbey Senior Health
Chosen from this home's public data.
- Reported nurse staffing is 4.10 hours per resident on weekends against 4.74 overall. Who covers Saturdays and Sundays?Weekend staffing in CMS data
- What is the daily private-pay rate, and are Medicaid beds available now?CMS does not publish prices
- Can we visit at a mealtime and again on a weekend?General
More in what to ask on a nursing home tour.
CMS star ratings
- Overall 3 of 5 Missouri average 2.5
- Health inspections 2 of 5 Missouri average 2.8
- Staffing 5 of 5 Missouri average 2.2
- Quality measures 2 of 5 Missouri average 2.7
The vertical line marks the Missouri average. Ratings run from 1 to 5. How to read CMS star ratings
Nurse staffing
Hours of care per resident per day, as the home reported to CMS.
What these roles do
Nurse aides give most hands-on daily care, such as help with bathing, dressing and meals. Licensed practical nurses give medications and routine nursing care. Registered nurses assess residents and direct their care.
- All nursing staff 4.74 h Missouri average 3.43
- Nurse aides 2.94 h Missouri average 2.29
- Licensed practical nurses 1.07 h Missouri average 0.68
- Registered nurses 0.73 h Missouri average 0.46
- All staff, weekends 4.10 h Missouri average 3.01
How much nurse staffing is enough? All bars share one scale, 0 to 10 hours. The vertical line marks the Missouri average; the national average for all nursing staff is 3.86 hours.
- Nursing staff turnover35.6%
- Missouri average56.0%
- Registered nurse turnover27.3%
- Missouri average47.8%
- Administrators who left0
Quality measures
CMS calculates these from residents' assessments and Medicare claims. They are shown as published, next to the Missouri and national averages. marks the measures CMS uses in its quality star rating; for those, the rating gives more points for a lower rate.
Long-stay residents
| Measure | This home | Missouri | U.S. |
|---|---|---|---|
| ★ Percentage of long-stay residents whose need for help with daily activities has increased | 30.1% | 18.1% | 13.9% |
| Percentage of long-stay residents who lose too much weight | 2.0% | 5.3% | 5.2% |
| ★ Percentage of long-stay residents with a catheter inserted and left in their bladder | 1.9% | 1.1% | 0.8% |
| ★ Percentage of long-stay residents with a urinary tract infection | 8.0% | 2.3% | 1.6% |
| Percentage of long-stay residents who have depressive symptoms | 3.1% | 18.5% | 12.8% |
| Percentage of long-stay residents who were physically restrained | 0.0% | 0.0% | 0.1% |
| ★ Percentage of long-stay residents experiencing one or more falls with major injury | 8.1% | 4.1% | 3.2% |
| Percentage of long-stay residents assessed and appropriately given the pneumococcal vaccine | 85.9% | 84.1% | 93.6% |
| ★ Percentage of long-stay residents whose ability to walk independently worsened | 24.9% | 17.4% | 14.1% |
| Percentage of long-stay residents who received an antianxiety or hypnotic medication | 21.3% | 25.6% | 19.5% |
| Percentage of long-stay residents assessed and appropriately given the seasonal influenza vaccine | 100.0% | 90.9% | 95.5% |
| ★ Percentage of long-stay residents with pressure ulcers | 4.4% | 4.5% | 4.6% |
| Percentage of long-stay residents with new or worsened bowel or bladder incontinence | 18.9% | 17.8% | 19.0% |
| ★ Percentage of long-stay residents who received an antipsychotic medication | 5.4% | 23.5% | 15.4% |
| ★ Number of hospitalizations per 1000 long-stay resident days | 1.95 | 2.11 | 1.90 |
| ★ Number of outpatient emergency department visits per 1000 long-stay resident days | 1.22 | 2.33 | 1.78 |
Short-stay residents
| Measure | This home | Missouri | U.S. |
|---|---|---|---|
| Percentage of short-stay residents assessed and appropriately given the pneumococcal vaccine | 64.8% | 65.7% | 82.0% |
| ★ Percentage of short-stay residents who newly received an antipsychotic medication | 2.3% | 2.2% | 1.6% |
| Percentage of short-stay residents who were assessed and appropriately given the seasonal influenza vaccine | 81.5% | 63.5% | 79.8% |
| ★ Percentage of short-stay residents who were rehospitalized after a nursing home admission | 25.8% | 26.0% | 23.8% |
| ★ Percentage of short-stay residents who had an outpatient emergency department visit | 9.5% | 13.7% | 12.0% |
Measure periods: April 2025 to March 2026 for most measures; July 2024 to June 2025 for the flu vaccine measures; January to December 2025 for the hospital and emergency department measures, which CMS risk-adjusts. See the measures on Medicare.gov
Inspection history
Inspectors cited 27 health deficiencies in the three most recent inspection cycles. Of these, 1 involved actual harm; the rest were graded as no actual harm. 3 were cited in connection with a complaint investigation. The most recent citation at the harm level or above was on Jun 9, 2023: Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents.
| Standard inspection | Health | Fire safety |
|---|---|---|
| Jun 11, 2026 | 4 | 6 |
| Oct 25, 2024 | 10 | 5 |
| Jun 9, 2023 | 13 | 15 |
Missouri homes averaged 11.4 health deficiencies in the latest cycle; the national average is 9.2. Each cycle's health count covers the standard inspection on that date plus the complaint and infection-control citations CMS assigns to that cycle.
Health citations, three most recent inspection cycles (27)
-
EPotential for more than minimal harm, pattern
Provide the required documentation or notification related to the resident's needs, appeal rights, or bed-hold policies.
Complaint investigation · Resident Rights · Deficient, Provider has date of correction (Jul 25, 2026)
-
EPotential for more than minimal harm, pattern
Ensure that residents are free from significant medication errors.
Pharmacy Service · Deficient, Provider has date of correction (Jul 25, 2026)
-
DPotential for more than minimal harm, isolated
Provide appropriate pressure ulcer care and prevent new ulcers from developing.
Quality of Life and Care · Deficient, Provider has date of correction (Jul 25, 2026)
-
DPotential for more than minimal harm, isolated
Protect each resident from the wrongful use of the resident's belongings or money.
Complaint investigation · Freedom from Abuse, Neglect, and Exploitation · Past Non-Compliance
-
DPotential for more than minimal harm, isolated
Protect each resident from all types of abuse such as physical, mental, sexual abuse, physical punishment, and neglect by anybody.
Complaint investigation · Freedom from Abuse, Neglect, and Exploitation · Past Non-Compliance (Dec 15, 2024)
Show 22 more
-
FPotential for more than minimal harm, widespread
Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
Nutrition and Dietary · Deficient, Provider has date of correction (Dec 13, 2024)
-
EPotential for more than minimal harm, pattern
Give residents a notice of rights, rules, services and charges.
Resident Rights · Deficient, Provider has date of correction (Dec 13, 2024)
-
EPotential for more than minimal harm, pattern
The resident has the right to receive notices in a format and a language he or she understands.
Resident Rights · Deficient, Provider has date of correction (Dec 13, 2024)
-
EPotential for more than minimal harm, pattern
Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents.
Quality of Life and Care · Deficient, Provider has date of correction (Dec 13, 2024)
-
EPotential for more than minimal harm, pattern
Try different approaches before using a bed rail. If a bed rail is needed, the facility must (1) assess a resident for safety risk; (2) review these risks and benefits with the resident/representative; (3) get informed consent; and (4) Correctly install and maintain the bed rail.
Quality of Life and Care · Deficient, Provider has date of correction (Dec 13, 2024)
-
EPotential for more than minimal harm, pattern
Provide and implement an infection prevention and control program.
Infection Control · Deficient, Provider has date of correction (Dec 13, 2024)
-
EPotential for more than minimal harm, pattern
Regularly inspect all bed frames, mattresses, and bed rails (if any) for safety; and all bed rails and mattresses must attach safely to the bed frame.
Environmental · Deficient, Provider has date of correction (Dec 13, 2024)
-
BPotential for minimal harm, pattern
Notify the resident or the resident’s representative in writing how long the nursing home will hold the resident’s bed in cases of transfer to a hospital or therapeutic leave.
Resident Rights · Deficient, Provider has date of correction (Dec 13, 2024)
-
BPotential for minimal harm, pattern
Create and put into place a plan for meeting the resident's most immediate needs within 48 hours of being admitted
Resident Assessment and Care Planning · Deficient, Provider has date of correction (Dec 13, 2024)
-
GActual harm, isolated
Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents.
Quality of Life and Care · Deficient, Provider has date of correction (Jul 24, 2023)
-
FPotential for more than minimal harm, widespread
Administer the facility in a manner that enables it to use its resources effectively and efficiently.
Administration · Deficient, Provider has date of correction (Jul 24, 2023)
-
FPotential for more than minimal harm, widespread
Conduct and document a facility-wide assessment to determine what resources are necessary to care for residents competently during both day-to-day operations (including nights and weekends) and emergencies.
Administration · Deficient, Provider has date of correction (Jul 24, 2023)
-
EPotential for more than minimal harm, pattern
Ensure the activities program is directed by a qualified professional.
Quality of Life and Care · Deficient, Provider has date of correction (Jul 24, 2023)
-
DPotential for more than minimal harm, isolated
Assess the resident when there is a significant change in condition
Resident Assessment and Care Planning · Deficient, Provider has date of correction (Jul 24, 2023)
-
DPotential for more than minimal harm, isolated
Encode each resident’s assessment data and transmit these data to the State within 7 days of assessment.
Resident Assessment and Care Planning · Deficient, Provider has date of correction (Jul 24, 2023)
-
DPotential for more than minimal harm, isolated
Develop and implement a complete care plan that meets all the resident's needs, with timetables and actions that can be measured.
Resident Assessment and Care Planning · Deficient, Provider has date of correction (Jul 24, 2023)
-
DPotential for more than minimal harm, isolated
Provide appropriate treatment and care according to orders, resident’s preferences and goals.
Quality of Life and Care · Deficient, Provider has date of correction (Jul 24, 2023)
-
DPotential for more than minimal harm, isolated
Ensure a licensed pharmacist perform a monthly drug regimen review, including the medical chart, following irregularity reporting guidelines in developed policies and procedures.
Pharmacy Service · Deficient, Provider has date of correction (Jul 24, 2023)
-
DPotential for more than minimal harm, isolated
Implement gradual dose reductions(GDR) and non-pharmacological interventions, unless contraindicated, prior to initiating or instead of continuing psychotropic medication; and PRN orders for psychotropic medications are only used when the medication is necessary and PRN use is limited.
Pharmacy Service · Deficient, Provider has date of correction (Jul 24, 2023)
-
DPotential for more than minimal harm, isolated
Arrange for the provision of hospice services or assist the resident in transferring to a facility that will arrange for the provision of hospice services.
Administration · Deficient, Provider has date of correction (Jul 24, 2023)
-
DPotential for more than minimal harm, isolated
Provide and implement an infection prevention and control program.
Infection Control · Deficient, Provider has date of correction (Jul 24, 2023)
-
DPotential for more than minimal harm, isolated
Give their staff education on dementia care, and what abuse, neglect, and exploitation are; and how to report abuse, neglect, and exploitation.
Freedom from Abuse, Neglect, and Exploitation · Deficient, Provider has date of correction (Jul 24, 2023)
What severity letters A to L mean
Each sentence above is the requirement that was not met, in CMS's wording. For the inspection results as Medicare publishes them, open this home's page on Medicare.gov and look under "Health inspections".
Penalties, past three years
CMS lists no fines or payment denials for this home in the past three years.
Missouri homes averaged 0.8 fines and $37,425 in fine amounts; the national averages are 0.9 and $30,972.
Cost
Not in the public data. CMS does not publish what a nursing home charges.
Ask the home for its daily private-pay rate and whether a bed is open for your coverage. See what Medicare covers and how Medicaid pays for a nursing home.
Compared within Missouri
Common questions
What is the CMS star rating for Abbey Senior Health?
Abbey Senior Health has an overall rating of 3 of 5 stars from CMS as of Sep 2026. Its health inspection rating is 2, staffing is 5 and quality measures is 2.
How many beds does Abbey Senior Health have?
Abbey Senior Health has 55 certified beds. It averages 50.4 residents per day, about 91.6% of its certified beds.
How much nursing care do residents get at Abbey Senior Health?
The home reports 4.74 hours of nurse staffing per resident per day, including 0.73 hours from registered nurses. The Missouri average is 3.43 hours and 0.46 hours from registered nurses.
Has Abbey Senior Health been fined?
CMS lists no fines for this home in the past three years.
Does Abbey Senior Health accept Medicare or Medicaid?
CMS lists its participation as "Medicare and Medicaid". Ask the home whether a bed is open for your coverage.
Guides for families looking at this home
- Understanding the recordWhat to ask on a nursing home tourQuestions that turn a home's public record into a useful conversation when you tour, plus what to look for yourself.
- Understanding the recordInspection severity letters A to LHow inspectors grade each deficiency by harm and by how many residents were affected.
- Understanding the recordHow to read CMS star ratingsWhat the overall, health inspection, staffing and quality measure ratings cover, and what they leave out.
Nearest nursing homes
- 1 of 5 Garden View Care Center 80beds 67.0%in use 4.67nurse hours a day
- 3 of 5 Delmar Gardens of O'Fallon 198beds 81.1%in use 4.20nurse hours a day
- 2 of 5 Sunterra Springs Dardenne Prairie 38beds 84.7%in use 4.46nurse hours a day
Sorted by straight-line distance. This is not a ranking or a recommendation. Compare all homes in St. Charles County
Who to call in Missouri
These offices serve residents of every nursing home in Missouri.
- Long-term care ombudsman Missouri Long-Term Care Ombudsman Program 800-309-3282 (Email: LTCOmbudsman@health.mo.gov) An advocate for residents and their families.
- File a complaint about a nursing home Adult Abuse and Neglect Hotline (long-term care facility complaints) 1-800-392-0210 (7 days a week, 7 a.m. to 8 p.m. Relay Missouri 1-800-735-2966. Reports can also be made online (moapss.health.mo.gov, linked from Health.Mo.Gov/abuse).) The state agency that inspects nursing homes.
Missouri staffing, bed-hold and Medicaid rules · Residents' rights in every state
Source: CMS Provider Data Catalog, nursing home datasets processed Sep 1, 2026. CMS Certification Number 265839. See this home's official record on Medicare.gov
See something shown incorrectly? Tell us. This site shows each record as CMS publishes it and cannot change the underlying record.