OpenBilldrug price receipt

NADAC week of 2026-10-14

KLONOPIN 2 MG TABLET

FDA nonproprietary name: clonazepam

For 30 tablets

Pharmacies pay

$127.41 filed

30 × $4.24702 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

$83.40 filed

30 × $2.77996 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

0.65× estimated

Medicare paid 35% less than pharmacies pay.

Part D averages every strength and form sold under “Klonopin” / “Clonazepam” 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

$151.52 estimated

$127.41 + $19.11 (15%) + $5.00 fee per fill = $151.52

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

KLONOPIN 2 MG TABLET is how the CMS NADAC file names this product. The FDA NDC Directory lists it as clonazepam, under the trade name “Klonopin”.

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

The labeler, the company named on the label, is H2-Pharma, LLC.

FDA’s Established Pharmacologic Class for it is Benzodiazepine.

The NADAC file of 2026-10-14 prices it under one NDC (National Drug Code), 61269-0620-10.

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

What pharmacies pay

Pharmacies pay $127.41 for 30 tablets (30 × $4.24702 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.

NADAC also lists, on the row of one brand NDC, what pharmacies pay for the generic equivalent, a different product: $0.04017 per EA filed.

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

The NDC

Other strengths, forms and brands

13 other products in the NADAC file share the FDA nonproprietary name clonazepam with KLONOPIN 2 MG TABLET.

ProductPharmacies pay per unitMedicare per unit
CLONAZEPAM 0.125 MG DIS TAB
generic · tablet, orally disintegrating
$0.51985 per EA filed
eff. 2026-09-23
We don’t know yet
CLONAZEPAM 0.125 MG ODT
generic · tablet, orally disintegrating
$0.51985 per EA filed
eff. 2026-09-23
We don’t know yet
CLONAZEPAM 0.25 MG ODT
generic · tablet, orally disintegrating
$0.43849 per EA filed
eff. 2026-09-23
We don’t know yet
CLONAZEPAM 0.5 MG DIS TABLET
generic · tablet, orally disintegrating
$0.52314 per EA filed
eff. 2026-09-23
We don’t know yet
CLONAZEPAM 0.5 MG ODT
generic · tablet, orally disintegrating
$0.52314 per EA filed
eff. 2026-09-23
We don’t know yet
CLONAZEPAM 0.5 MG TABLET
generic · tablet
$0.01961 per EA filed
eff. 2026-09-23
$0.14761 per EA filed
Part D 2024 average
CLONAZEPAM 1 MG DIS TABLET
generic · tablet, orally disintegrating
$0.56689 per EA filed
eff. 2026-09-23
We don’t know yet
CLONAZEPAM 1 MG ODT
generic · tablet, orally disintegrating
$0.56689 per EA filed
eff. 2026-09-23
We don’t know yet
CLONAZEPAM 1 MG TABLET
generic · tablet
$0.02438 per EA filed
eff. 2026-09-23
$0.14761 per EA filed
Part D 2024 average
CLONAZEPAM 2 MG ODT
generic · tablet, orally disintegrating
$0.87917 per EA filed
eff. 2026-09-23
We don’t know yet
CLONAZEPAM 2 MG TABLET
generic · tablet
$0.04017 per EA filed
eff. 2026-09-23
$0.14761 per EA filed
Part D 2024 average
KLONOPIN 0.5 MG TABLET
brand · tablet
$2.67886 per EA filed
eff. 2026-09-23
$2.77996 per EA filed
Part D 2024 average
KLONOPIN 1 MG TABLET
brand · tablet
$3.05375 per EA filed
eff. 2026-09-23
$2.77996 per EA filed
Part D 2024 average
KLONOPIN 2 MG TABLET this page
brand · tablet
$4.24702 per EA filed
eff. 2026-09-23
$2.77996 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

Compared with its class

Its NADAC price is $4.24702 per EA filed.

Of the 76 other products in FDA’s Benzodiazepine class priced per EA, 21 have a higher middle NADAC price and 55 a lower one. The one in the middle is CLONAZEPAM 1 MG DIS TABLET, at $0.56689 per EA filed (eff. 2026-09-23).

Prices are compared per unit, whatever the strength or dose, and a class is not a list of substitutes.

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

What Medicare paid

Medicare Part D paid $83.40 for 30 tablets, at an average of $2.77996 per EA in 2024 (2024-01-01 to 2024-12-31) for “Klonopin” and “Clonazepam”, every strength and form sold under that name together (Medicare Part D Spending by Drug, file of 2026-06-25).

That average covers 14,868 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 KLONOPIN 2 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 Klonopin / Clonazepam: 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 brand name.