How to Invoice as a Registered Dietician in Seattle, WA

Invoicing guide for registered dieticians in Seattle: 6.5% WA sales tax, 1%/mo late-fee cap, plus WA licensing and contractor rules.

Combined sales tax
6.5%
Late fee cap
1%/mo
Net terms
30 days
Deposit
0%
Create your first invoice freeSee pricing

1. Seattle-specific tax handling

  • State sales tax: 6.5%. Local jurisdictions in Seattle may add their own rate — verify with your local tax assessor.
  • Late fees: WA statute Wash. Rev. Code §19.52.020 caps interest on unpaid invoices at 1.5% per month.

2. Standard registered dietician line items

  • Initial assessment — billed by flat (~$220 default).
  • Follow-up session — billed by session (~$95 default).
  • Meal-plan package — billed by flat.
  • Insurance billing — billed by flat.

3. Payment terms that work in Seattle

Net 30 is standard for registered dieticians.0 Accept card and ACH on the invoice itself — Seattle customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

RD/RDN credential plus state license required in most states. Medical-nutrition-therapy CPT codes for insurance claims.

Metro
Seattle
State
WA
Net terms
30 days
Deposit
0%

Nearby metros

Related