Practice Overhead Calculator
Overhead rate from expenses and collections.
About this calculator
Overhead rate is total monthly operating expenses divided by monthly collections, so the denominator — monthly collections — has an outsized pull on the ratio: raising collections without adding expense lowers the overhead rate directly, and it moves the output more than any single expense category does, since every expense line is a smaller piece of the total while collections is the whole denominator. Among the expense categories, staff salaries and benefits is the largest single lever — it is typically the biggest line item in a medical practice's cost structure, and industry data generally puts it in the 25-35% of revenue range, well above facility, supplies, billing, IT, insurance, or admin costs individually. The calculator benchmarks your overhead rate against a fixed 60% primary care reference point regardless of specialty; industry data shows surgical specialties often running lower (45-55%) and multi-specialty groups landing in a similar 55-65% band, so a surgical practice showing "excess overhead" against this 60% line may actually be within normal range for its specialty.
Number of providers has no effect on the overhead rate itself — it is a pure per-provider allocation tool, dividing the same total dollar figures across more or fewer providers without changing what the ratio says about the practice's cost structure as a whole. This model has a genuine blind spot: it makes no distinction between fixed and variable costs, so it cannot tell you how the overhead rate would respond to a change in patient volume alone, and it treats every dollar of monthly collections as net revenue without separately flagging bad debt or contractual adjustments already netted out.
Medical Disclaimer
This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. Never disregard professional medical advice or delay seeking it because of results from this tool.
Inputs
Results
Overhead rate
58%
Monthly net income
$84,000.00
How to Use This Calculator
- Enter Monthly collections (net cash received) as the revenue baseline — do not use gross charges.
- Input each expense category: Staff salaries & benefits, Rent & utilities, Supplies & drugs, Billing & collections, IT & EHR, Insurance & legal, and Admin & miscellaneous.
- Enter Number of providers to calculate per-provider metrics for benchmarking against industry data.
- Review Overhead rate — primary care benchmark is 60%; rates above this indicate areas needing cost reduction.
- Check Staff cost % of revenue (target 25–35%) and break down which expense categories are out of line.
- Use Monthly net income and Break-even collections to set minimum revenue targets for financial sustainability.
How the result changes with Monthly collections ($)
| Monthly collections ($) | Overhead rate | Monthly net income |
|---|---|---|
| 100,000 | 116% | -$16,000.00 |
| 150,000 | 77.3% | $34,000.00 |
| 300,000 | 38.7% | $184,000.00 |
| 500,000 | 23.2% | $384,000.00 |
What each input means
- Monthly collections ($)
- Total monthly net collections (actual cash received) from all sources.
- Staff salaries & benefits ($)
- Monthly total for non-provider staff wages, benefits, payroll taxes.
- Rent & utilities ($)
- Monthly facility costs including rent, utilities, maintenance.
- Supplies & drugs ($)
- Monthly medical supplies, pharmaceuticals, lab consumables.
- Billing & collections ($)
- Monthly billing service fees or in-house billing department cost.
- IT & EHR costs ($)
- Monthly EHR subscription, IT support, hardware, telehealth platform.
- Insurance & legal ($)
- Monthly malpractice, general liability, legal retainer.
- Admin & miscellaneous ($)
- Marketing, professional development, subscriptions, office supplies.
- Number of providers
- Total physicians and APPs generating revenue.
What each result means
- Overhead rate
- Total operating expenses as % of collections. Primary care benchmark: 60%.
- Total monthly overhead
- Sum of all monthly operating expenses.
- Annual overhead
- Yearly total operating expenses.
- Monthly net income
- Collections minus overhead (available for provider compensation).
- Net income per provider (annual)
- Annual net income allocated equally per provider.
- Staff cost % of revenue
- Staff salaries as percentage of collections. Target: 25-35%.
- Annual overhead per provider
- Operating expenses allocated per provider.
- Excess overhead vs benchmark
- Annual dollars over the 60% primary care benchmark. $0 if at or below.
- Monthly break-even collections
- Minimum monthly collections needed to cover overhead.
- Operating margin
- Net income as percentage of collections.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersMonthly collections ($) = 200000, Staff salaries & benefits ($) = 60000, Rent & utilities ($) = 15000, Supplies & drugs ($) = 12000 = 9 input(s) provided
- Calculate Overhead rateOverhead rate = (totalMonthlyOverhead / monthlyCollections) * 10058 = 58%
- Calculate Monthly net incomeMonthly net income = monthlyCollections - totalMonthlyOverhead84000 = $84,000
- Calculate Total monthly overheadTotal monthly overhead = staffSalariesBenefits + rentUtilities + suppliesAndDrugs +116000 = $116,000
- Calculate Annual overheadAnnual overhead = totalMonthlyOverhead * 121392000 = $1,392,000
Engine last updated . Checked against 2 independently-derived tests — how we verify calculators. Built by Paul Gunder, a software engineer, not a licensed financial, medical, or legal professional.
Frequently Asked Questions
Why does raising monthly collections lower the overhead rate more than cutting any single expense?
Overhead rate is total expenses divided by collections, and collections is the entire denominator while any one expense category is only a fraction of the numerator. A 10% increase in collections directly reduces the ratio in a way no single 10% expense cut can match, because staff costs, facility, supplies, and the other categories are each smaller pieces of the total expense figure. This is why revenue growth is often a faster lever on overhead rate than expense-category trimming alone.
Is 60% overhead actually too high for a surgical or multi-specialty practice?
Not necessarily — the calculator's benchmark comparison uses a fixed 60% reference regardless of specialty, but industry data shows real overhead norms vary by practice type: surgical specialties commonly run 45-55%, while multi-specialty groups often land closer to 55-65%. A surgical practice at 58% overhead would show as under the 60% benchmark here even though it's already above the top of its own specialty's 45-55% range, so compare against specialty-specific benchmarks before treating the fixed 60% line as a hard target.
Does adding more providers change the practice's overhead rate?
No — number of providers only affects the per-provider allocation outputs (overhead per provider and net income per provider), dividing the same total dollar figures across more people. The overhead rate itself is computed purely from total monthly overhead and monthly collections, so it stays exactly the same whether the practice has one provider or fifty, all else equal.
What is the difference between operating margin and overhead rate here?
They are complementary views of the same numbers: overhead rate is expenses as a percentage of collections, while operating margin is net income (collections minus expenses) as a percentage of collections. A 65% overhead rate corresponds to a 35% operating margin, and the two will always sum to 100% in this model, since there is no separate line for provider compensation drawn before the margin calculation — net income here represents everything left over before physician compensation is paid out.
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