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CalculatorInteractive prototype

Provider & Infusion Capacity Calculator

Physician, APP and hospital/office mix alongside chair utilisation — and which of the three is actually your ceiling.

Illustrative assumptions. Default values here are example inputs for demonstration only — not validated reimbursement rates, costs or benchmarks. Replace every field with your own practice’s figures.

Providers & clinical sessions
FTE
FTE
/wk

A session is a half-day. Subtract time genuinely lost to travel between sites.

%

The rest are office clinic. The split changes both throughput and revenue per encounter.

cases
visits
The infusion suite
chairs
hrs
days
hrs

Chair-occupying time, not drip time: access, pre-medication, infusion, observation and turnover.

%

Infusion durations do not tile neatly into a working day. Scheduling gaps and cancellations take a share.

The nursing constraint
nurses
: 1

Set this from your own clinical policy and state requirements. It usually binds before chair count does.

Economics
$

Drug, administration and associated revenue less direct cost. Model this in the OPAT Course tool first.

$

Space, equipment, salaried staff, pharmacy support, compliance and licensure.

/mo

Effective monthly capacity

336 infusions

Chairs is the binding constraint. You are 84 infusions short of your target — the target is not deliverable as configured.

The two ceilings

Chair capacity · binding336 / mo
Nursing capacity449 / mo
Clinical encounters per month76 hospital + 62 office sessions
1,019
Infusion binding constraint
Chairs
Capacity at full utilisation
336 / mo
Utilisation implied by your targetAbove 90% of effective capacity leaves no room for variability
125%
Contribution at full capacity
$70,762
Break-even volume
181 / mo
Result at target volume
$50,200

Run this twice more before committing capital: once at a materially lower utilisation than you expect, and once with contribution per infusion reduced. If the project only works at optimistic fill and today’s drug economics, it is underwriting two separate risks at the same time.

How this is calculated

  • Clinical capacity = (physicians + APPs) × sessions per week × 4.33, split by your hospital/office share and multiplied by encounters per session type.
  • Chair capacity = (chairs × hours × days × 4.33 × utilisation) ÷ average chair time.
  • Nursing capacity uses the same formula with (nurses × safe concurrent patients) in place of chairs; the lower of the two is the infusion ceiling.
  • Break-even volume = monthly fixed cost ÷ contribution per infusion.

What it does not do

  • It does not set your nurse-to-patient ratio — that comes from your clinical policy and state requirements.
  • It assumes a uniform average chair time; a wide mix of short and long infusions schedules less efficiently than the model implies.
  • Clinical and infusion capacity are computed independently. It does not model the physician time that supervising an infusion service consumes.

Now that you have a number

Want to pressure-test this against your actual claims data?

This model is only as good as the assumptions you put into it. Persistex works with independent infectious disease practices on billing, coding and revenue cycle, and a practice review starts from your actual payment and denial data.

Prototype: these routes to a demonstration form. No data is transmitted or stored.