DrugDashboards

Rebif Rebidose

Interferon Beta-1a · Kit · Subcutaneous · EMD Serono, Inc.

NDC 44087-0188-01 · 1 KIT in 1 CARTON * .2 mL in 1 PACKAGE * .5 mL in 1 PACKAGE · BLA · View full market →

The short version

Just 2 companies supply this market — thin enough that a single exit would be felt immediately.

The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.

One drug, every price

The same NDC has different prices depending on who is paying. Units differ between rungs — compare within a rung over time, not rung against rung, unless the units match.

ⓘ How this was built
Data sources
  • CMS NADAC (pharmacy acquisition, weekly)
  • CMS Part B ASP quarterly payment limits
  • CMS Maximum Fair Prices (IRA negotiated, NDC-level)
  • Medicare Part D Spending by Drug (data.cms.gov, name-matched)
  • VA FSS / Big4 federal contract prices (va.gov, twice monthly)
  • ACA Federal Upper Limits + weighted AMP (data.medicaid.gov, monthly)
  • California SB-17 WAC filings (list price, per package)
Method

Each rung is the newest figure for this NDC from one federal price system, shown with its own unit. Part D is matched by drug name because CMS publishes no NDCs there; it is gross spending, before confidential rebates.

Pipeline and calculations built by Claude (Fable 5) from the public datasets above. Educational only — verify against primary sources before acting.

  • Part D plans paid (avg)$1,760.75per dosage unitgross, before rebates — matched by drug name · 2024
  • Part D point of sale (median)$2,731.55per unitnegotiated price across 338 plans — before rebates · Apr 1, 2026
  • Federal ceiling (Big4)$665.79per unitEMD Serono, Inc. · Jan 1, 2026

Medicare Part D

All Part D pricing →
ⓘ How this was built
Data sources
  • CMS quarterly Prescription Drug Plan Formulary & Pricing files (SPUF)
Method

Negotiated 30-day point-of-sale unit prices and formulary terms aggregated across every unsuppressed Part D and MA-PD plan for the quarter shown. Point of sale means gross of confidential rebates. CMS publishes one representative NDC per drug concept (RxCUI) rather than every package, so these figures come from CMS's representative package for the same drug — matched on generic name, strength, and dosage form. Estimated from MedPAC's program-wide rebate aggregates (June 2023: DIR = 29% of gross Part D spending; brand rebates ≈ 25–40% of gross, generics minimal). Actual rebates are confidential and vary widely by drug — this is a range, not a fact about this drug.

Pipeline and calculations built by Claude (Fable 5) from the public datasets above. Educational only — verify against primary sources before acting.

Plans pay at point of sale
$2,731.55per unit
middle half $2,691.13$2,769.59 · 338 plans · Apr 1, 2026
Est. net of rebates
$1,638.93–$2,048.67
brand drug — est. 25-40% rebate off the price at left
Coverage & restrictions
6%of plans cover it
tier 5 · prior auth 47% · step therapy 12% · qty limit 50%

*No drug-level rebate is public — the estimate applies MedPAC's program-wide brand rebate range to this drug's gross price. Tracked here for 10 quarters since 2024.

NADAC price per unit

No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.

Estimated fill cost

WAC per package, as filed
$10,988.32
Reported to Texas DSHS · 2026 annual filing · EMD Serono, Inc.

Manufacturer list price as filed — not what pharmacies actually pay after discounts.

Supply fragility

Not scored — fragility is computed for NADAC-priced NDCs.

90-day shortage risk (model v2)

0.1%chance of a new FDA shortage posting for interferon beta-1a (other) in the next 90 days

sole-source market · price up 5% YoY

For scale: the typical drug’s chance is about 0.1% — this one is in ordinary territory.

Backtested statistical model over the whole market, not this package alone. Model details →

Is this a "specialty" drug?

There's no legal definition — it meets 4 of 6 public criteria. Why that matters →

  • Part D specialty tier · median tier 5 across plans
  • Costs ≥ $950/fill · avg $11,219.85 per prescription
  • Biologic (BLA)
  • Injectable / infused
  • Orphan-drug exclusivity
  • REMS program

Regulatory

Application
BLA103780
TE code
Approval date
Patents / exclusivity
None on file

Shortage history

No FDA shortage reports for this drug or its presentations.

Recalls (this NDC)

No enforcement reports list this package NDC.

Manufacturers of Interferon Beta-1a (Kit)

LabelerStrengthFirst seenLast seen
EMD Serono, Inc.Jul 15, 2026Aug 31, 2026
Biogen Inc.Jul 15, 2026Aug 30, 2026

Roster from daily NDC Directory diffs — first/last seen dates start July 2026.

Cite this page

DrugDashboards, "Rebif Rebidose — NDC 44087-0188-01," retrieved September 3, 2026, https://drugdashboards.com/drug/44087018801.

Free to cite with attribution — see how the data is put together.