OpenBilldrug price receipt

NADAC week of 2026-10-14

METHIMAZOLE 5 MG TABLET

For 30 tablets

Pharmacies pay

$2.11 filed

30 × $0.07021 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

$5.17 filed

30 × $0.1724 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

2.5× estimated

Medicare paid 2.5× what pharmacies pay.

Part D averages every strength and form sold under “Methimazole” 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

$7.43 estimated

$2.11 + $0.32 (15%) + $5.00 fee per fill = $7.43

This is a model, not a price any pharmacy quoted. Shipping is not included. For a pack this cheap, the $5.00 fee is most of the estimate. 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

METHIMAZOLE 5 MG TABLET is how the CMS NADAC file names this product. The FDA NDC Directory lists it as methimazole.

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

FDA lists 12 labelers (the companies named on the label) for its NDCs, among them Upsher-Smith Laboratories, LLC, AiPing Pharmaceutical, Inc. and Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.

FDA’s Established Pharmacologic Class for it is Thyroid Hormone Synthesis Inhibitor.

The NADAC file of 2026-10-14 prices it under 16 NDCs (National Drug Codes); the FDA directory lists 14 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 $2.11 for 30 tablets (30 × $0.07021 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 12 labelers

LabelerNDCsPharmacies pay per unit
Chartwell RX, LLC2$0.07021 per EA filed
Strides Pharma Science Limited2$0.07021 per EA filed
AiPing Pharmaceutical, Inc.1$0.07021 per EA filed
American Health Packaging1$0.07021 per EA filed
AvPAK1$0.07021 per EA filed
Bionpharma Inc.1$0.07021 per EA filed
Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.1$0.07021 per EA filed
Macleods Pharmaceuticals Limited1$0.07021 per EA filed
NORTHSTAR RX LLC1$0.07021 per EA filed
Rising Pharma Holdings, Inc.1$0.07021 per EA filed
Upsher-Smith Laboratories, LLC1$0.07021 per EA filed
Viona Pharmaceuticals Inc.1$0.07021 per EA filed
Not listed as a package in the FDA directory2$0.07021 per EA filed
All 16 NDCs, with labeler and price
  • 00832-6072-11 · Upsher-Smith Laboratories, LLC · $0.07021 per EA · eff. 2026-09-23 filed
  • 11788-0011-01 · AiPing Pharmaceutical, Inc. · $0.07021 per EA · eff. 2026-09-23 filed
  • 23155-0070-01 · Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. · $0.07021 per EA · eff. 2026-09-23 filed
  • 33342-0335-11 · Macleods Pharmaceuticals Limited · $0.07021 per EA · eff. 2026-09-23 filed
  • 50268-0495-11 · not listed as a package in the FDA directory · $0.07021 per EA · eff. 2026-09-23 filed
  • 50268-0495-15 · AvPAK · $0.07021 per EA · eff. 2026-09-23 filed
  • 60687-0669-01 · American Health Packaging · $0.07021 per EA · eff. 2026-09-23 filed
  • 60687-0669-11 · not listed as a package in the FDA directory · $0.07021 per EA · eff. 2026-09-23 filed
  • 62135-0205-18 · Chartwell RX, LLC · $0.07021 per EA · eff. 2026-09-23 filed
  • 62135-0205-90 · Chartwell RX, LLC · $0.07021 per EA · eff. 2026-09-23 filed
  • 64380-0212-01 · Strides Pharma Science Limited · $0.07021 per EA · eff. 2026-09-23 filed
  • 64380-0212-02 · Strides Pharma Science Limited · $0.07021 per EA · eff. 2026-09-23 filed
  • 64980-0264-01 · Rising Pharma Holdings, Inc. · $0.07021 per EA · eff. 2026-09-23 filed
  • 69452-0328-20 · Bionpharma Inc. · $0.07021 per EA · eff. 2026-09-23 filed
  • 72578-0212-01 · Viona Pharmaceuticals Inc. · $0.07021 per EA · eff. 2026-09-23 filed
  • 72603-0315-01 · NORTHSTAR RX LLC · $0.07021 per EA · eff. 2026-09-23 filed

Other strengths, forms and brands

1 other product in the NADAC file shares the FDA nonproprietary name methimazole with METHIMAZOLE 5 MG TABLET.

ProductPharmacies pay per unitMedicare per unit
METHIMAZOLE 5 MG TABLET this page
generic · tablet
$0.07021 per EA filed
eff. 2026-09-23
$0.1724 per EA filed
Part D 2024 average
METHIMAZOLE 10 MG TABLET
generic · tablet
$0.11705 per EA filed
eff. 2026-09-23
$0.1724 per EA filed
Part D 2024 average

Part D is one average per brand and generic name, over every strength and form.

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 · 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

What Medicare paid

Medicare Part D paid $5.17 for 30 tablets, at an average of $0.1724 per EA in 2024 (2024-01-01 to 2024-12-31) for “Methimazole”, every strength and form sold under that name together (Medicare Part D Spending by Drug, file of 2026-06-25).

That average covers 943,504 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 METHIMAZOLE 5 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 Methimazole / Methimazole: 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.