When the Copay is the Crisis

Denali Cahoon
Chief Pharmacy Officer
Janet Ye
Senior Technical Product Manager
September 9, 2025
4 min read

How House Rx helped patients benefit from Medicare reform

Amy was recently diagnosed with cancer. She received a prescription for a life-extending medication. The treatment path is clear, but at the pharmacy she's told her out-of-pocket cost will be $2,000, due immediately.

As a result, the medication isn't filled; Amy simply can't afford it. In the U.S., too many patients are forced to choose between life-saving medication and everyday essentials like groceries. At House Rx, we've seen this scenario far too often.

In 2024, nearly 1 in 5 Medicare patients were unable to afford their prescriptions at the point of care. Even with insurance, the structure of Medicare Part D often left patients responsible for paying their soaring out-of-pocket expenses all at once, leading to unfilled prescriptions, delayed starts, and even abandoned treatment plans. At its core, these struggles stem from the design of Medicare Part D itself.

Medicare Part D left patients behind

For years, the structure of Medicare Part D created a financial dilemma for patients with serious illnesses. Known as the "donut hole," this coverage gap forced patients to pay thousands of dollars out-of-pocket before their catastrophic coverage began.

The Donut Hole
Medicare Part D Coverage - Phase 1Medicare Part D Coverage - Phase 2Medicare Part D Coverage - Complete

For many patients, especially those on fixed incomes, this cost was unmanageable.

The result was a quiet but devastating crisis. Patients were walking away from their prescriptions, many in the middle of active treatment for cancer or chronic autoimmune disease. Pharmacists and care teams had to mark prescriptions as "unable to afford," often scrambling to divert them into assistance programs or leaving them without treatment at all.

This was a crucial problem to solve, so we turned to the data. House Rx's pharmacy management platform captures detailed reasons for why a prescription can't be dispensed. We focused specifically on cases where patients reported that high out-of-pocket costs made their medications unaffordable.

▮▮▮ % OOP Too High
Percentage of people who didn't fill their prescriptions because the out-of-pocket costs were too high
〜 # Medicare Patients
Total number of Medicare patients tracked in our pharmacy network during this period
2023-12-31 — 21.65% · 97 patients 2024-01-07 — 21.02% · 176 patients 2024-01-14 — 20.00% · 145 patients 2024-01-21 — 11.69% · 154 patients 2024-01-28 — 10.40% · 173 patients 2024-02-04 — 18.06% · 155 patients 2024-02-11 — 18.95% · 153 patients 2024-02-18 — 18.75% · 144 patients 2024-02-25 — 18.06% · 155 patients 2024-03-03 — 14.69% · 143 patients 2024-03-10 — 21.23% · 146 patients 2024-03-17 — 19.58% · 143 patients 2024-03-24 — 13.99% · 143 patients 2024-03-31 — 15.94% · 138 patients 2024-04-07 — 19.02% · 163 patients 2024-04-14 — 16.04% · 187 patients 2024-04-21 — 17.84% · 185 patients 2024-04-28 — 16.56% · 157 patients 2024-05-05 — 16.88% · 154 patients 2024-05-12 — 18.52% · 135 patients 2024-05-19 — 21.33% · 150 patients 2024-05-26 — 19.10% · 89 patients 2024-06-02 — 16.78% · 149 patients 2024-06-09 — 13.07% · 153 patients 2024-06-16 — 17.42% · 132 patients 2024-06-23 — 13.70% · 146 patients 2024-06-30 — 25.26% · 95 patients 2024-07-07 — 22.77% · 101 patients 2024-07-14 — 14.10% · 156 patients 2024-07-21 — 7.65% · 170 patients 2024-07-28 — 11.24% · 169 patients 2024-08-04 — 8.44% · 154 patients 2024-08-11 — 18.62% · 145 patients 2024-08-18 — 13.75% · 160 patients 2024-08-25 — 19.73% · 147 patients 2024-09-01 — 12.70% · 126 patients 2024-09-08 — 22.12% · 113 patients 2024-09-15 — 13.48% · 141 patients 2024-09-22 — 14.58% · 144 patients 2024-09-29 — 14.42% · 104 patients 2024-10-06 — 10.83% · 120 patients 2024-10-13 — 11.03% · 145 patients 2024-10-20 — 13.79% · 145 patients 2024-10-27 — 15.54% · 148 patients 2024-11-03 — 20.27% · 148 patients 2024-11-10 — 30.12% · 166 patients 2024-11-17 — 24.50% · 151 patients 2024-11-24 — 24.30% · 107 patients 2024-12-01 — 20.35% · 172 patients 2024-12-08 — 18.54% · 178 patients 2024-12-15 — 20.38% · 157 patients 2024-12-22 — 17.76% · 107 patients 2024-12-29 — 10.81% · 111 patients 2025-01-05 — 7.32% · 205 patients 2025-01-12 — 11.86% · 253 patients 2025-01-19 — 12.00% · 300 patients 2025-01-26 — 8.56% · 292 patients 2025-02-02 — 6.69% · 239 patients 2025-02-09 — 7.17% · 279 patients 2025-02-16 — 8.85% · 260 patients 2025-02-23 — 5.85% · 376 patients 2025-03-02 — 8.00% · 350 patients 2025-03-09 — 5.23% · 440 patients 2025-03-16 — 4.35% · 414 patients 2025-03-23 — 8.01% · 462 patients 2025-03-30 — 8.44% · 403 patients 2025-04-06 — 6.08% · 411 patients 2025-04-13 — 4.70% · 298 patients 2025-04-20 — 5.88% · 374 patients 2025-04-27 — 4.73% · 402 patients 2025-05-04 — 5.79% · 363 patients 2025-05-11 — 8.17% · 355 patients 2025-05-18 — 4.04% · 396 patients 2025-05-25 — 4.67% · 300 patients 2025-06-01 — 4.65% · 344 patients 2025-06-08 — 4.34% · 392 patients 2025-06-15 — 4.43% · 361 patients 2025-06-22 — 5.66% · 371 patients 0%8%15%22%30%0138275412550Jan 24Mar 24May 24Jul 24Sep 24Nov 24Jan 25Mar 25May 25

As of early 2024, nearly 1 in 5 Medicare patients could not afford their medications due to high copays.

This rate remained steady throughout 2024, while the number of patients who could afford their prescriptions continued along the same trajectory.

By November 2024, over 25% of patients were unable to afford medications.

For years, this gap persisted until a policy change in early 2025 offered a potential solution.

Lost in the fine print, relief was elusive.

In 2025, Medicare launched the Medicare Prescription Payment Plan (M3P), more commonly known as "copay smoothing." Rather than requiring patients to pay the full out-of-pocket cost up front, the program allowed patients to divide it into twelve monthly installments. No interest or penalties, just smaller, predictable monthly payments.

On paper, the program promised real relief for seniors facing thousands of dollars in up-front costs. In practice, however, the rollout has been confusing and inaccessible.

How House Rx stepped in

At House Rx, we already knew policy alone wouldn't be enough. Months before this launched, our teams began preparing.

We started by:

  • Training our care coordinators and pharmacy staff on how the M3P works.
  • Building technology to automatically flag copay smoothing eligibility in our pharmacy platform.
  • Proactively counseling patients on enrollment, expectations, and how the policy could make treatment affordable.

The results of our efforts were immediate and dramatic.

As of early 2024, nearly 1 in 5 Medicare patients could not afford their medications due to high copays. This rate remained steady throughout 2024, and by November 2024 over 25% of patients were unable to afford medications. For years, this gap persisted until a policy change in early 2025 offered a potential solution.

Lost in the fine print, relief was elusive.

In 2025, Medicare launched the Medicare Prescription Payment Plan (M3P), more commonly known as "copay smoothing." Rather than requiring patients to pay the full out-of-pocket cost up front, the program allowed patients to divide it into twelve monthly installments. No interest or penalties, just smaller, predictable monthly payments.

On paper, the program promised real relief for seniors facing thousands of dollars in up-front costs. In practice, however, the rollout has been confusing and inaccessible.

How House Rx stepped in

At House Rx, we already knew policy alone wouldn't be enough. Months before this launched, our teams began preparing. We started by training our care coordinators and pharmacy staff on how the M3P works, building technology to automatically flag copay smoothing eligibility in our pharmacy platform, and proactively counseling patients on enrollment, expectations, and how the policy could make treatment affordable. The results of our efforts were immediate and dramatic.

View data table
Date Patients % OOP too high
2023-12-31 97 21.65%
2024-01-07 176 21.02%
2024-01-14 145 20.00%
2024-01-21 154 11.69%
2024-01-28 173 10.40%
2024-02-04 155 18.06%
2024-02-11 153 18.95%
2024-02-18 144 18.75%
2024-02-25 155 18.06%
2024-03-03 143 14.69%
2024-03-10 146 21.23%
2024-03-17 143 19.58%
2024-03-24 143 13.99%
2024-03-31 138 15.94%
2024-04-07 163 19.02%
2024-04-14 187 16.04%
2024-04-21 185 17.84%
2024-04-28 157 16.56%
2024-05-05 154 16.88%
2024-05-12 135 18.52%
2024-05-19 150 21.33%
2024-05-26 89 19.10%
2024-06-02 149 16.78%
2024-06-09 153 13.07%
2024-06-16 132 17.42%
2024-06-23 146 13.70%
2024-06-30 95 25.26%
2024-07-07 101 22.77%
2024-07-14 156 14.10%
2024-07-21 170 7.65%
2024-07-28 169 11.24%
2024-08-04 154 8.44%
2024-08-11 145 18.62%
2024-08-18 160 13.75%
2024-08-25 147 19.73%
2024-09-01 126 12.70%
2024-09-08 113 22.12%
2024-09-15 141 13.48%
2024-09-22 144 14.58%
2024-09-29 104 14.42%
2024-10-06 120 10.83%
2024-10-13 145 11.03%
2024-10-20 145 13.79%
2024-10-27 148 15.54%
2024-11-03 148 20.27%
2024-11-10 166 30.12%
2024-11-17 151 24.50%
2024-11-24 107 24.30%
2024-12-01 172 20.35%
2024-12-08 178 18.54%
2024-12-15 157 20.38%
2024-12-22 107 17.76%
2024-12-29 111 10.81%
2025-01-05 205 7.32%
2025-01-12 253 11.86%
2025-01-19 300 12.00%
2025-01-26 292 8.56%
2025-02-02 239 6.69%
2025-02-09 279 7.17%
2025-02-16 260 8.85%
2025-02-23 376 5.85%
2025-03-02 350 8.00%
2025-03-09 440 5.23%
2025-03-16 414 4.35%
2025-03-23 462 8.01%
2025-03-30 403 8.44%
2025-04-06 411 6.08%
2025-04-13 298 4.70%
2025-04-20 374 5.88%
2025-04-27 402 4.73%
2025-05-04 363 5.79%
2025-05-11 355 8.17%
2025-05-18 396 4.04%
2025-05-25 300 4.67%
2025-06-01 344 4.65%
2025-06-08 392 4.34%
2025-06-15 361 4.43%
2025-06-22 371 5.66%

This was the result of a policy shift buried deep in the Inflation Reduction Act and our team of pharmacy experts who knew how to help.

This shift meant that thousands more patients could start or resume treatment. For practices, it meant fewer care delays, fewer workarounds, and better continuity.

For us, the story of copay smoothing is an example of what happens when policy meets real-world support. Legislation alone can't ensure affordability because patients need help navigating what policy changes mean for them. Patients need teams who get it, technology that surfaces the right data at the right time, and the human touch that makes change possible.

The M3P offered a pathway, and House Rx built the bridge.

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