Concurrent Therapy Calculator

Use this calculator to find your total time worked and finish time from your billable minutes and productivity target — then adjust for concurrent or group therapy if your facility credits that time differently.

Concurrent and group therapy change how minutes get counted toward your productivity target, and the rules aren’t the same across every setting.

Concurrent therapy calculator

How to calculate productivity with concurrent minutes

The base productivity calculation doesn't change — see the full breakdown on how to calculate productivity:

Productivity % = Billable minutes ÷ Total time worked × 100
Total time worked = Billable minutes ÷ (Productivity % ÷ 100)

Depending on your facility's crediting model, concurrent or group minutes might:

  • Count in full for each patient (minutes × number of patients)
  • Get split evenly across patients (minutes ÷ number of patients)
  • Use a custom facility-specific factor

Whichever model applies, the adjusted billable minutes get run through the same productivity formula as any other billable time. If your billing is tracked in units rather than minutes, convert first using a billing units calculator

Productivity group vs. concurrent therapy

This is one of the most common points of confusion when calculating therapy productivity, so it's worth separating clearly:

  • Concurrent therapy — one therapist treats two patients at the same time, each doing a different activity, typically within line-of-sight of each other.
  • Group therapy — one therapist treats two to six patients at the same time, all doing the same or a similar activity.

The distinction matters because concurrent and group therapy are billed, capped, and credited differently depending on the payer and setting.

How to calculate productivity % with mixed session types

To calculate your productivity percentage on a day that includes individual, concurrent, and group sessions:

  1. Total your individual billable minutes as usual.
  2. Apply your facility's crediting model to concurrent/group minutes (full, split, or custom factor).
  3. Add the two together to get your adjusted billable minutes.
  4. Divide adjusted billable minutes by total time worked, and multiply by 100.

Frequently asked questions

It depends on your facility's crediting model. Some track full minutes for each patient, others split the clock minutes across patients. Confirm which method your rehab manager or billing lead uses.

Concurrent therapy is two patients, different activities, same therapist, with line-of-sight supervision. Group therapy is two to six patients doing the same or similar activity together

Group SLP sessions are billed under CPT 92508, and eligibility depends on diagnosis and payer — not every condition qualifies for group billing.

In a SNF Part A stay, combined concurrent and group minutes can't exceed 25% of a discipline's total therapy minutes without affecting compliance and reimbursement.

The calculator works exactly like a standard productivity calculator — just enter your billable minutes, productivity target, and start time to get your finish time.

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