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Related Experiment Video

Updated: May 26, 2026

Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index

Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index

Published on: January 8, 2020

Patient response to changes in available Medicare Part D coverage plans: A case study.

Tyler S Dougherty¹, Krishna Mahida¹, Elizabeth Nguyen¹

¹South College School of Pharmacy Knoxville, Tennessee.

Journal of the American Pharmacists Association : Japha

|May 24, 2026

Summary

When community pharmacies stop accepting certain Medicare Part D plans, many patients switch plans. Clear communication from pharmacies can help retain patients despite these changes.

Keywords:

Medicare Part D community pharmacy pharmacy benefit managers plan switching

Related Experiment Videos

Last Updated: May 26, 2026

Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index

Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index

Published on: January 8, 2020

Area of Science:

Health Economics
Pharmacy Practice
Patient Behavior Analysis

Background:

Medicare Part D offers prescription drug coverage to beneficiaries.
Community pharmacies face financial challenges due to low reimbursement rates from pharmacy benefit managers.
Pharmacies may opt out of certain plans, impacting patient access and revenue.

Purpose of the Study:

To analyze patient behavioral shifts when a community pharmacy discontinues acceptance of specific Medicare Part D plans.
To understand the impact of pharmacy decisions on patient plan selection and pharmacy utilization.

Main Methods:

Retrospective analysis of Medicare Part D plan data from 2025-2026.
Evaluation of patient prescription purchasing patterns after notification of non-accepted plans.
Comparison of patient behavior for accepted versus non-accepted Medicare Part D plans.

Main Results:

Over half of participants (51.26%) switched Medicare Part D plans.
A majority of patients (67.23%) continued using the community pharmacy, even with non-accepted plans.
19.33% of patients whose plans were not accepted transferred their prescriptions elsewhere.

Conclusions:

Medicare Part D plan switching rates exceeded national averages following pharmacy decisions to drop certain plans.
Effective communication strategies can mitigate patient loss during open enrollment periods.
Pharmacy decisions on plan acceptance significantly influence patient choices and pharmacy patronage.