Most senior care operators track workforce spend down to the dollar. Fewer track what happens when the workforce itself becomes unstable, and that's where margins can disappear.
The cost of replacing one registered nurse now averages $61,110 when turnover, vacancy and onboarding are combined, according to NSI Nursing Solutions' 2025 National Health Care Retention & RN Staffing Report. That figure alone is significant, but it's only the start. The real cost increases as instability moves through your operation, stage by stage, until you see it in your margins and survey scores.
The instability chain
Workforce instability doesn't come announced. It builds slowly in phases.
It starts with turnover. When core clinical teams exit, they take institutional knowledge and resident relationships with them. CMS Payroll-Based Journal data puts average annual nursing turnover across U.S. SNFs at roughly 46%.
Next come the coverage gaps. Open shifts multiply, float pools thin out and managers spend hours on scheduling instead of care. The national RN vacancy rate sat at 9.6% in 2024, and many SNFs run well above that.
Coverage gaps then trigger a surge in overtime. The remaining team members take on the extra load and mandatory overtime becomes normalized.
Unplanned coverage costs erode the per-patient margins until budget targets become unobtainable. Direct care nursing expenses across U.S. SNFs reached $49.2 billion in 2023, per CLA's 2024 analysis.
And then the cycle restarts. Overburdened care teams disengage. NSI reports that 38% of nurses employed less than one year leave, which restarts the cycle at its most expensive point, and often faster the second time around.
Where the money actually goes
Some of the cost is visible. Most of it is not. A few of the larger leaks:
Recruitment and onboarding runs $3,000 to $8,000 per hire before a new employee reaches full productivity, which typically takes three to six months post-start.
Uncontrolled coverage costs can run 50 to 60% higher per hour when operations rely on traditional staffing agencies with reactive, last-minute fill practices. More planned, technology-focused approaches bring greater consistency and control.
Quality and survey risk is harder to price but often the most consequential. Lower and inconsistent staffing levels are associated with declines in CMS Five-Star ratings and increased deficiency citations, creating direct risk to reimbursement and reputation.
Lost manager bandwidth is the cost no one budgets for. NSI puts the average time to recruit and fill an experienced RN vacancy at 83 days, during which leaders absorb additional scheduling burden on top of their actual jobs.
CNA replacement carries its own line item: $3,000 to $6,000 per CNA lost in recruiting, onboarding and overtime costs, before accounting for lost productivity.
PBJ compliance risk sits underneath all of it. Understaffed days increase reporting exposure and directly impact CMS Five-Star ratings, with downstream consequences for reimbursement and compliance standing.
Signs your operation may be absorbing hidden risk
The quieter signals usually arrive before the financial ones. Operators tend to recognize the pattern when they see it laid out:
- External coverage costs have increased quarter over quarter
- Leadership is spending two or more hours a day managing open shifts
- Overtime is running above 10% of total workforce hours
- Reliable coverage feels harder to maintain than it did a year ago
- Turnover is concentrated in a specific unit, shift, or role
- New hires are exiting before 90 days at an increasing rate
If more than one or two of these are true, the hidden cost may already be in your P&L, distributed across line items that don't make it obvious.
What a stable operation looks like
Stability isn't the absence of open shifts. It's the presence of systems that prevent open shifts from becoming crises. Signs of stable operations include:
- Shifts posted and filled 48 to 72 hours in advance, not same-day
- Access to a network of credentialed, ready-to-work independent professionals when needed
- Preferred workers rewarded with first access to available shifts
- Coverage costs set and controlled by the operator, not by a traditional staffing vendor
- Scheduling visibility that returns meaningful time to leadership each week
Operators get to this level by treating stability as the upstream metric that determines whether the costs they do track stay under control. Workforce stability is the result of better visibility, better tools and better access to the right professionals at the right time.
ShiftKey gives senior living and SNF operators on-demand access to a credentialed network of independent professionals. See how.
Sources
“Survey: Nursing Homes Still Facing Staffing & Economic Crisis,” (AHCA/NCAL, 2022)
“Staffing Mandate Analysis,” (AHCA/NCAL, 2022)
“Report: Nursing Homes Increasingly Forced To Use Costly Staffing Agencies To Fill Vacancies,” (AHCA/NCAL, 2024)
“Nursing Homes Increasingly Rely On Staffing Agencies For Direct Care Nursing,” (NIH, 2024)
“2026 NSI National Health Care Retention & RN Staffing Report,” (NSI Nursing Solutions)
“39th SNF Cost Comparison and Industry Trends Report,” (CliftonLarsonAllen)
“CMS Care Compare,” (Medicare.gov)
