OpenBilldrug price receipt

NADAC week of 2026-10-14

TOLVAPTAN 15 MG TABLET

For 30 tablets

Pharmacies pay

$437.22 filed

30 × $14.57406 per EA

CMS NADAC · nadac-national-average-drug-acquisition-cost-20261014.csv · eff. 2026-09-23 · as of 2026-10-14 · retrieved 2026-10-17

Medicare Part D paid

$5,334.31 filed

30 × $177.81039 per EA, Part D average

Medicare's price is not your price.

Medicare Part D · DSD_PTD_RY26_P04_V10_DY24_BGM.csv · eff. 2024-01-01 to 2024-12-31 · as of 2026-06-25 · retrieved 2026-10-18


The spread

12.2× estimated

Medicare paid 12.2× what pharmacies pay.

Part D averages every strength and form sold under “Tolvaptan” into one figure, so it is not specific to this NDC.

OpenBill calculation · DSD_PTD_RY26_P04_V10_DY24_BGM.csv + nadac-national-average-drug-acquisition-cost-20261014.csv · NADAC eff. 2026-09-23 (file of 2026-10-14, retrieved 2026-10-17) · Part D 2024-01-01 to 2024-12-31 (file of 2026-06-25, retrieved 2026-10-18)

Cost-plus estimate

$507.80 estimated

$437.22 + $65.58 (15%) + $5.00 fee per fill = $507.80

This is a model, not a price any pharmacy quoted. Shipping is not included. How it is worked out

OpenBill calculation · nadac-national-average-drug-acquisition-cost-20261014.csv · NADAC eff. 2026-09-23 (file of 2026-10-14, retrieved 2026-10-17)

Open the interactive card Change the quantity, type what you were charged, and see every record in full.

What it is

TOLVAPTAN 15 MG TABLET is how the CMS NADAC file names this product. The FDA NDC Directory lists it as tolvaptan.

FDA gives its dosage form as tablet and its route as oral.

FDA lists 6 labelers (the companies named on the label) for its NDCs, among them Camber Pharmaceuticals, Inc., Par Health USA, LLC and Apotex Corp.

FDA’s Established Pharmacologic Class for it is Vasopressin V2 Receptor Antagonist.

The NADAC file of 2026-10-14 prices it under 8 NDCs (National Drug Codes); the FDA directory lists 7 of them.

NADAC classes it as a generic drug (rate-setting class G), and does not mark it as sold over the counter.

What pharmacies pay

Pharmacies pay $437.22 for 30 tablets (30 × $14.57406 per EA, rounded to the cent), by the CMS NADAC file of 2026-10-14; that price took effect on 2026-09-23. That is what pharmacies pay their suppliers, not what they charge you.

NADAC’s explanation code for it: 1, calculated from the most recently completed pharmacy survey.

The 6 labelers

LabelerNDCsPharmacies pay per unit
Ascend Laboratories, LLC2$14.57406 per EA filed
Apotex Corp.1$14.57406 per EA filed
Camber Pharmaceuticals, Inc.1$14.57406 per EA filed
Northstar Rx LLC1$14.57406 per EA filed
Novadoz Pharmaceuticals LLC1$14.57406 per EA filed
Par Health USA, LLC1$14.57406 per EA filed
Not listed as a package in the FDA directory1$14.57406 per EA filed
All 8 NDCs, with labeler and price
  • 31722-0868-03 · Camber Pharmaceuticals, Inc. · $14.57406 per EA · eff. 2026-09-23 filed
  • 49884-0768-52 · not listed as a package in the FDA directory · $14.57406 per EA · eff. 2026-09-23 filed
  • 49884-0768-54 · Par Health USA, LLC · $14.57406 per EA · eff. 2026-09-23 filed
  • 60505-4317-00 · Apotex Corp. · $14.57406 per EA · eff. 2026-09-23 filed
  • 67877-0635-02 · Ascend Laboratories, LLC · $14.57406 per EA · eff. 2026-09-23 filed
  • 67877-0635-33 · Ascend Laboratories, LLC · $14.57406 per EA · eff. 2026-09-23 filed
  • 72205-0130-11 · Novadoz Pharmaceuticals LLC · $14.57406 per EA · eff. 2026-09-23 filed
  • 72603-0932-01 · Northstar Rx LLC · $14.57406 per EA · eff. 2026-09-23 filed

What Medicare paid

Medicare Part D paid $5,334.31 for 30 tablets, at an average of $177.81039 per EA in 2024 (2024-01-01 to 2024-12-31) for “Tolvaptan”, every strength and form sold under that name together (Medicare Part D Spending by Drug, file of 2026-06-25).

That average covers 7,103 Part D claims (fills, including refills) for 2024-01-01 to 2024-12-31, across every maker, strength and form under the name.

Medicare's price is not your price.

What to ask at the counter

None of these figures is your price: what you pay depends on your pharmacy, your insurance, coupons and discounts.

Questions

Why is the comparison with Medicare for TOLVAPTAN 15 MG TABLET labelled estimated?
Beyond what the card shows, the records give these reasons: The Part D figure covers 2024-01-01 to 2024-12-31; the NADAC price is from the file of 2026-10-14. Part D spending basis, as the Part D record states it: Part D 2024 average spend per dosage unit for Tolvaptan / Tolvaptan: all makers, strengths, forms and routes combined, claim-weighted; gross cost incl. dispensing fees and patient pay, before rebates. Unit taken as NADAC's EA. Joined on generic name.