How to Invoice as a Physical Therapist in St. Louis, MO

Invoicing guide for physical therapists in St. Louis: 4.225% MO sales tax, 0.75%/mo late-fee cap, plus MO licensing and contractor rules.

Combined sales tax
4.225%
Late fee cap
0.75%/mo
Net terms
30 days
Deposit
0%
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1. St. Louis-specific tax handling

  • State sales tax: 4.225%. Local jurisdictions in St. Louis may add their own rate — verify with your local tax assessor.
  • Late fees: MO statute Mo. Rev. Stat. §408.020 caps interest on unpaid invoices at 1.5% per month.

2. Standard physical therapist line items

  • Initial evaluation — billed by flat (~$220 default).
  • Treatment session — billed by session (~$145 default).
  • Insurance billing — billed by flat.
  • Self-pay package — billed by flat.

3. Payment terms that work in St. Louis

Net 30 is standard for physical therapists.0 Accept card and ACH on the invoice itself — St. Louis customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

State PT license required. Direct-access laws vary by state. HIPAA-compliant invoicing required for insurance billing.

Metro
St. Louis
State
MO
Net terms
30 days
Deposit
0%

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