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Dietitian Invoice Template

MNT codes, units, group sessions and referral details. Free PDF, no account.

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Medical nutrition therapy is billed in units, and the units are not all the same length — individual sessions count in fifteen-minute increments while group sessions count in thirty. Mixing them, or billing a returning patient as a new assessment, is what turns a straightforward claim into a denial months later.

INVOICE Issued
Invoice number:INV-0001
Date of issue:August 2, 2026
Date due:August 16, 2026
Currency:USD
Issued by
Alder & Fern Nutrition
9 Harvest Lane
Suite 5
05401 Burlington, VT
United States
billing@alderfernnutrition.example
Bill to
Silvia Marchetti
410 Winooski Avenue
05403 Burlington, VT
United States
s.marchetti@example.com
Amount due
$888.00
Due in 14 days · Aug 16, 2026
For your claim
Registered Dietitian, NPI 1583927461, Vermont registration RD-11284, tax ID 03-4471928. Referred by Dr. K. Osei for diagnosis E11.9. Individual codes are 15-minute units and the group code is 30-minute units. Place of service 11, except the two telehealth sessions at 10.
Description Qty Rate Tax Amount
97802 — MNT initial assessment
Individual, face to face, 15-minute units
4$38.00$152.00
97803 — MNT reassessment and intervention
Four follow-up sessions, 15-minute units
12$36.00$432.00
97803 — MNT follow-up, telehealth
Two sessions by video, 15-minute units
6$36.00$216.00
97804 — Group medical nutrition therapy
Two group sessions, 30-minute units
4$22.00$88.00
Subtotal$888.00
Total$888.00
Amount due $888.00
Terms
Payable on receipt. Submit to your plan under your nutrition benefit; a referral is on file.
Invoice #INV-0001 · Alder & Fern Nutrition · Page 1 of 1

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What to put on a dietitian invoice

  • Your NPI, registration and the practice tax ID
  • The initial assessment separately from follow-up sessions, since they are different codes
  • Units against each session, with the length a unit represents
  • Group sessions apart from individual ones — they are counted in half-hour units
  • The referral and diagnosis, where the plan requires one
  • Telehealth sessions marked, with the place-of-service code

Questions

When do I bill an initial assessment again?

Rarely. A patient returning after their first visit is a follow-up regardless of how long it has been — the usual exception is a patient discharged and then re-referred more than a year later. Re-billing the initial code because a gap felt long is a common and avoidable denial.

Are group sessions billed the same way?

No. Group medical nutrition therapy is counted in thirty-minute units rather than fifteen, so a ninety-minute group is three units and not six. It is the arithmetic most often got wrong on a nutrition claim.

Are there daily unit limits?

Medicare applies them, and commercial plans usually follow — commonly eight units a day for individual therapy and six for group. Bill against the limit rather than against the clock, and check it before a long session rather than after.

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