Jardiance Costs $564 on One 2026 Part D Plan and $1,179 on Another — Even After the IRA Negotiated Its Price
Jardiance Costs $564 on One 2026 Part D Plan and $1,179 on Another — Even After the IRA Negotiated Its Price
Meet Margaret. She's 71, lives in Phoenix, and manages Type 2 diabetes with Jardiance 10mg, Lantus SoloStar insulin, atorvastatin 40mg, and lisinopril 20mg. She's heard good things about the Inflation Reduction Act — the $35 insulin cap, the drug negotiation program, the new $2,000 out-of-pocket ceiling. She figures her drug costs are probably lower now, and she sticks with the same Part D plan she had last year.
She's half right. The IRA changes are real and meaningful. But they are not plan-neutral. Depending on which of the 30-plus plans available in her ZIP code she chooses, Margaret pays anywhere from $1,440 to $1,983 for the exact same four drugs in 2026. That $543 spread isn't because one plan is "better" in some abstract sense — it's because Jardiance sits on different formulary tiers across plans, and the tier placement determines what percentage of the negotiated price she actually pays out of pocket.
Here's the drug-by-drug math.
What the IRA Actually Changed for 2026 (And What It Didn't)
The Inflation Reduction Act made three structural changes to Part D that took full effect in 2026:
1. The $35 insulin cap. Any insulin covered by Part D is capped at $35 per month, per insulin product. If Margaret takes both Lantus (basal) and a rapid-acting insulin, each is capped separately at $35 — so $70/month total for both insulins, regardless of plan, regardless of tier. This part is genuinely uniform across all Part D plans.
2. The drug negotiation program. CMS published Maximum Fair Prices (MFPs) for the first ten negotiated drugs, effective January 1, 2026. Jardiance 10mg carries an MFP of approximately $197 for a 30-day supply — down from a list price that had been hovering above $600. Eliquis, Xarelto, Januvia, Farxiga, Entresto, Enbrel, Imbruvica, Stelara, and Fiasp/NovoLog are also on the negotiated list. (For a full breakdown of how Eliquis's negotiated price plays out across plans, see Eliquis Is Now a Negotiated Medicare Drug at $231/Month: Which Part D Plan Costs You Less in 2026?.)
3. The $2,000 out-of-pocket cap. Once you've paid $2,000 in true out-of-pocket costs (TrOOP — that's deductibles, copays, and coinsurance, but not premiums), you pay $0 for covered drugs for the rest of the calendar year. The coverage gap ("donut hole") is gone. There is no longer a phase where you suddenly pay 25% of the drug's full cost. Full stop.
Here's what the IRA did NOT change: how plans tier negotiated drugs. CMS sets the maximum fair price — the ceiling on what plans pay at the pharmacy counter. But within that ceiling, plans still assign drugs to Tier 2, Tier 3, Tier 4, or Specialty tiers, and they still set their own copay or coinsurance percentages for each tier. The negotiated price lowers the base, but if a plan puts Jardiance at Tier 3 with 25% coinsurance, you pay 25% of $197 — not 25% of $620.
That distinction is where Margaret's extra $543 comes from.
Margaret's Drug List: Three Plans, One Year
The scenario: Margaret takes Jardiance 10mg (30-day supply), Lantus SoloStar 100 units/mL (one vial per month), atorvastatin 40mg, and lisinopril 20mg. She fills at a national chain pharmacy in Phoenix. Here's how three representative 2026 Part D plans price her exact drug list:
| Plan A — "Saver" ($0 premium) | Plan B — "Premier Rx" ($38/mo) | Plan C — "Classic Rx" ($22/mo) | |
|---|---|---|---|
| Annual Premium | $0 | $456 | $264 |
| Deductible | $590 (brand drugs) | $0 | $590 (brand drugs) |
| Jardiance Tier | Tier 3 — 25% coins. | Tier 2 — $47 flat copay | Tier 3 — 33% coins. |
| Jardiance Annual Cost | ~$1,032 | $564 | ~$1,179 |
| Lantus Annual Cost | $420 ($35 cap × 12) | $420 | $420 |
| Atorvastatin Annual | $48 | $0 | $60 |
| Lisinopril Annual | $48 | $0 | $60 |
| Total Drug OOP | ~$1,548 | $984 | ~$1,719 |
| Total (OOP + Premium) | ~$1,548 | ~$1,440 | ~$1,983 |
Plan B wins by $108 over the free-premium plan and $543 over Plan C.
The $0 premium plan is not the cheapest. Plan A's $590 deductible means Margaret pays the full $197 Jardiance price for roughly the first three months until the deductible is exhausted. After that, she pays 25% coinsurance — about $49/month — for the remaining nine months. Total Jardiance cost on Plan A: $591 (deductible months) + $441 (coinsurance months) = $1,032.
On Plan B, there's no deductible. Jardiance is placed on Tier 2 as a preferred brand, with a $47 flat copay every month. Annual Jardiance cost: $564. The $38/month premium is more than covered by the $468 she saves on Jardiance alone.
This is exactly the kind of analysis Pelandri runs for you — mapping your specific drug list against every plan in your ZIP code so you're not building this spreadsheet yourself at 11pm before the enrollment deadline.
Does Anyone Hit the $2,000 Cap on This Drug List?
Not quite — and that matters strategically. Margaret's total drug OOP costs range from $984 to $1,719 depending on the plan. She doesn't hit the $2,000 TrOOP threshold on any of these three plans in a typical year.
That's actually good news for how to think about her plan choice: since she's not going to hit the cap, every dollar she overpays in deductibles and coinsurance is a real, unrecovered dollar. She doesn't get the catastrophic coverage safety valve to bail her out. So the choice of plan tier — not just the premium — is the lever that matters most.
The $2,000 cap becomes critical for beneficiaries on specialty drugs, cancer medications, or multiple brand-name drugs. If you take something like Eliquis plus Jardiance plus a third brand-name drug, your TrOOP can reach $2,000 by May or June, and the rest of the year is free. For a deep look at how that math works, Medicare's $2,000 Drug Cap Explained: What Eliquis Users Actually Pay Before and After Hitting It in 2026 walks through the phase-by-phase calculation.
Why This Matters Even More If You're in a Rural Area
A recent KFF Health News report on federal rural health funding highlighted something Medicare beneficiaries in rural communities already know: access to pharmacy services is not uniform across the country. Rural beneficiaries who rely on independent pharmacies or small regional chains are particularly exposed to a specific Part D wrinkle — preferred pharmacy networks.
Plans like Plan B in the example above may offer that $47 Jardiance copay only at preferred pharmacies. At a non-preferred independent pharmacy, the same plan might charge $89 or more for the same drug. If you live in a rural area where your only realistic option is a local independent pharmacy, Plan B's advertised Jardiance copay may not apply to you at all. Before you enroll in any plan, confirm that your preferred pharmacy is in the plan's preferred network, not just its standard network.
This is the kind of variable — pharmacy tier combined with drug tier combined with your local access — that makes a paper comparison table incomplete. Your annual cost depends on inputs that are specific to you, not to a hypothetical Phoenix resident.
The Jardiance Negotiation: What It Means Going Forward
Jardiance's MFP of approximately $197 is a floor, not a ceiling, on what plans must accept as the benchmark price when calculating your cost-sharing. Before the IRA negotiation, the list price exceeded $600/month, and plans that used list price as the basis for coinsurance were passing that full exposure to beneficiaries.
The negotiation does two important things: it saves Medicare money (plans pay less, which is supposed to flow into lower premiums over time) and it lowers the base for percentage-based cost-sharing. A 25% coinsurance on $197 is $49/month. A 25% coinsurance on $620 is $155/month. That's a $1,272/year difference for the same coinsurance percentage, just from a lower base price.
The negotiated price is also why the $2,000 cap is more reachable for Jardiance users who are also taking other brand-name drugs. If Margaret were also taking Eliquis at its negotiated $231/month, her combined brand-name drug spending would likely push her past the $2,000 TrOOP threshold by late spring — and she'd pay $0 for the rest of the year. For a worked example of exactly that combination, see Metformin, Atorvastatin, and Eliquis Cost $1,020 on One Part D Plan — and $1,540 on Another.
You can model this interaction — Jardiance plus any other drugs on your list — at Pelandri, where the comparison engine accounts for the negotiated MFP, your plan's tier structure, your pharmacy type, and the $2,000 cap timing.
One More Thing: The Medicare Prescription Payment Plan
Starting in 2025 and continuing in 2026, CMS offers the Medicare Prescription Payment Plan (M3P), which lets you spread your Part D out-of-pocket costs across monthly payments rather than paying large lump sums at the pharmacy in January and February. For beneficiaries who hit the deductible early — like Margaret on Plan A, who pays $197 for Jardiance in January before the deductible is met — M3P can smooth those cash flow spikes without changing the total annual cost.
It doesn't save you money. It just restructures when you pay it. For budgeting purposes, it's worth knowing about, but it is not a substitute for choosing the right plan in the first place.
The Bottom Line
The IRA delivered real changes in 2026: Jardiance's price came down meaningfully, insulin is capped at $35/month per product, and there's now a $2,000 ceiling on what you pay out of pocket in a given year. These are genuine, measurable improvements for Medicare beneficiaries managing chronic conditions.
But the law did not remove the most important variable in your Part D decision: which plan you're in. Jardiance's MFP is the same everywhere. What you pay depends entirely on the tier your plan assigns it to, whether your pharmacy is in the preferred network, and whether your total drug list gets you to the $2,000 OOP cap before December.
Margaret saves $543 per year by switching from Plan C to Plan B. She wouldn't know that without running the numbers on her specific drug list.
Open Enrollment runs October 15 through December 7. If you're outside that window, check whether you qualify for a Special Enrollment Period — particularly if you've had a change in Extra Help status, moved, or lost other drug coverage. The March 31 deadline has passed for most 2026 changes, but the annual comparison clock starts again in October, and plans change their formularies and tiers every year.
Compare every drug on your list, at your pharmacy, before you re-enroll. Pelandri does the plan-by-plan math for your exact situation — so the right plan isn't a guess, it's a calculation.
Sources
- She Owed Her Insurer a Nickel, So It Canceled Her Coverage — KFF Medicare
- Inside the High-Stakes Corporate Fight Over Feeding Preterm Babies — KFF Medicare
- An Arm and a Leg: Steep Health Care Costs Steer Americans to Tough Decisions — KFF Medicare
- How the Trump Administration Uses Migrant Kids To Find and Detain Family Members — KFF Medicare
- Give and Take: Federal Rural Health Funding Could Trigger Service Cuts — KFF Medicare