Free Physical Therapist Invoice Template

What is a Physical Therapist invoice?

A physical therapist invoice is a clinical billing document used to charge patients or insurance companies for physical therapy services. It records the evaluation, treatment sessions, therapeutic modalities, and any home exercise programs provided. When used for insurance billing, it must include standardized codes (CPT and ICD-10) and provider information. For cash-pay or direct-access clients, a simplified itemized invoice is sufficient.

What to include on a Physical Therapist invoice

• Your full name, PT license number, and NPI number
• Practice or clinic name and address
• Patient name and date of birth
• Invoice or claim number and date of service
• CPT procedure codes and descriptions for each service
• ICD-10 diagnosis codes linked to each service
• Units billed per CPT code (e.g. 4 units of therapeutic exercise)
• Charge per unit and total charges
• Insurance information and authorization number if applicable
• Payment due date and patient balance after insurance
• CPT procedure codes and units per service (97161-97164 eval, 97110, 97140, 20560/20561)
• ICD-10 diagnosis code(s) and rendering provider NPI + tax ID (superbill essentials for patient reimbursement)
• Place-of-service code and date(s) of service, plus telehealth modifier when applicable
• Documented treatment minutes supporting each timed unit (to satisfy the 8-minute rule)

Common physical therapist invoice line items

Setting your physical therapist rates

Cash-pay PTs price per session as a flat visit fee ($75-$250 follow-up, $150-$350 initial eval) rather than billing insurance per unit, though the underlying CPT codes still drive the superbill; specialists (pelvic floor, sports, vestibular) and dense metros push toward the top of the range, and package pre-pay discounts are common. Time-based codes are the reference point but are bundled into the flat visit price for the patient.

Payment terms

Payment collected in full at time of service (card on file, HSA/FSA card, or pre-paid visit package). Out-of-network patients pay you directly and are handed a superbill to pursue their own reimbursement; there is typically no net-30 patient billing cycle.

Billing pitfalls to avoid

• The 8-minute rule governs how many timed units (97110, 97140, etc.) you can substantiate; a superbill claiming more units than documented minutes support will get the patient's out-of-network reimbursement clawed back and expose you to fraud risk.
• Dry needling (20560/20561) is not covered by many plans and cannot be billed as a standalone visit, so it belongs as a clearly separate add-on line the patient knows is likely self-pay, not folded into a 'covered' session.
• A cash-pay superbill is not the same as your paid invoice: it must carry CPT codes, ICD-10 diagnosis codes, NPI, tax ID and place-of-service so the patient can seek reimbursement, but the patient still pays you at time of service regardless of what their insurer later allows.
• Medicare beneficiaries are a trap: you generally cannot privately bill a Medicare patient cash for a covered PT service without proper opt-out or ABN paperwork, so a routine cash invoice to a Medicare patient can be a compliance violation.
• Telehealth only reimburses on a specific approved code list (97110, 97112, 97530, 97161-97164) with the right modifier and payer rules; putting a non-approved code on a tele-visit superbill guarantees the patient's claim is denied.

Tax notes

PT services are generally exempt from sales tax as a professional medical service, but retail items sold alongside care (braces, bands, home-exercise equipment, supplements) can be taxable; HSA/FSA payments require the visit to be a qualified medical expense, which a compliant superbill with CPT/ICD-10 codes substantiates. Cash-practice owners usually operate as a PLLC/sole prop and owe self-employment tax on net profit.

This is general guidance, not tax advice. Tax rules vary by country, state, and situation, so confirm with a qualified accountant before relying on it.

How to invoice as a physical therapist

For insurance-based practices, invoices are submitted as CMS-1500 claims to the payer, and a patient statement is generated for the remaining balance (copay, deductible, coinsurance). For cash-pay or direct-access practices, issue a detailed invoice to the patient after each session or weekly. Always include CPT codes even on patient-facing invoices, as patients often need them for HSA/FSA reimbursement or out-of-network claims. Keep your fee schedule current and document the time spent on each timed code accurately, as this affects units billed. Issue superbills on request for patients seeking out-of-network reimbursement.