The short version
18 companies supply this market — deep enough that no single failure threatens the supply.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Sildenafil · SILDENAFIL CITRATE 20 mg/1 · Tablet · Oral · Amneal Pharmaceuticals of New York LLC
NDC 53746-0351-90 · 90 TABLET in 1 BOTTLE · ANDA · View full market →
18 companies supply this market — deep enough that no single failure threatens the supply.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Matched to CMS's representative package for this drug (NDC 27241-0124-03) — same generic, strength, and dosage form. CMS prices one NDC per drug concept, not every package.
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.
*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 9 quarters since 2024.
No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Not scored — fragility is computed for NADAC-priced NDCs.
OAI inspection at a producing facility (24 months) · sole-source market
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 →
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Proficient Rx LP | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| Remedyrepack Inc. | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| A-S Medication Solutions | SILDENAFIL CITRATE 20 mg/1 | Aug 12, 2026 | Sep 2, 2026 |
| Ajanta Pharma USA Inc. | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Amneal Pharmaceuticals LLC | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Amneal Pharmaceuticals of New York LLC | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Aphena Pharma Solutions - Tennessee, LLC | SILDENAFIL CITRATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Aphena Pharma Solutions - Tennessee, LLC | SILDENAFIL CITRATE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Appco Pharma LLC | SILDENAFIL CITRATE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Appco Pharma LLC | SILDENAFIL CITRATE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Appco Pharma LLC | SILDENAFIL CITRATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| AvKARE | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| AvPAK | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Cipla Usa Inc., | SILDENAFIL CITRATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Cipla Usa Inc., | SILDENAFIL CITRATE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Cipla Usa Inc., | SILDENAFIL CITRATE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| DirectRx | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Exelan Pharmaceuticals, Inc. | SILDENAFIL CITRATE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Exelan Pharmaceuticals, Inc. | SILDENAFIL CITRATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Exelan Pharmaceuticals, Inc. | SILDENAFIL CITRATE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Northwind Health Company, LLC | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Preferred Pharmaceuticals Inc. | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Proficient Rx LP | SILDENAFIL CITRATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Quallent Pharmaceuticals Health LLC | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Bryant Ranch Prepack | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Aug 31, 2026 |
| NuCare Pharmaceuticals,Inc. | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Aug 31, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Sildenafil — NDC 53746-0351-90," retrieved September 3, 2026, https://drugdashboards.com/drug/53746035190.
Free to cite with attribution — see how the data is put together.