REX P LAGERSTROM MD
Prescription History 1083679880
Internal Medicine in Louisville, KY
What does Dr. Lagerstrom prescribe?
In 2024, Dr. Lagerstrom wrote 74 Medicare prescriptions for 6 medications. The most prescribed was Pramipexole Dihydrochloride (pramipexole di-hcl), with 13 prescriptions.
Medicare Part D only. These are prescriptions filled by people with Medicare drug coverage in 2024, from the CMS data released in 2026, the most recent year available. CMS does not publish medications with fewer than 11 prescriptions, so this is not a full list of what Dr. Lagerstrom prescribes.
Medications 6 medications
Prescriptions filled under Medicare Part D in 2024. Select a medication to see what it is used for and how it compares with other Kentucky prescribers.
What it is used for
Pramipexole is used alone or with other medications to treat Parkinson's disease.
Compared with Kentucky prescribers
Dr. Lagerstrom wrote 13 prescriptions for Pramipexole Dihydrochloride, about half as often as the typical Kentucky prescriber of it (26). Medicare paid $9.28 per fill, versus $11.14 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used alone or with other medications to control seizures.
Compared with Kentucky prescribers
Dr. Lagerstrom wrote 13 prescriptions for Primidone, about 37% as often as the typical Kentucky prescriber of it (35). Medicare paid $18.42 per fill, versus $19.06 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Simvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with Kentucky prescribers
Dr. Lagerstrom wrote 13 prescriptions for Simvastatin, about 18% as often as the typical Kentucky prescriber of it (71). Medicare paid $4.45 per fill, versus $6.04 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Furosemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease.
Compared with Kentucky prescribers
Dr. Lagerstrom wrote 12 prescriptions for Furosemide, about 12% as often as the typical Kentucky prescriber of it (97). Medicare paid $4.63 per fill, versus $3.77 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with Kentucky prescribers
Dr. Lagerstrom wrote 12 prescriptions for Potassium Chloride, about 15% as often as the typical Kentucky prescriber of it (80). Medicare paid $10.41 per fill, versus $18.74 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Tiotropium is used to treat lung diseases such as asthma and COPD (bronchitis, emphysema).
Compared with Kentucky prescribers
Dr. Lagerstrom wrote 11 prescriptions for Spiriva Respimat, about 34% as often as the typical Kentucky prescriber of it (32). Medicare paid $560.59 per fill, versus $696.87 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Dr. Lagerstrom’s prescriptions
What does Dr. Lagerstrom prescribe most?
In 2024 Medicare Part D data, Dr. Lagerstrom's most prescribed medications were Pramipexole Dihydrochloride (13), Primidone (13) and Simvastatin (13).
How does Dr. Lagerstrom's prescribing compare with other Kentucky prescribers?
Of the 6 medications with a state comparison, Dr. Lagerstrom prescribes 6 less often than the typical Kentucky prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Lagerstrom prescribes?
No. It covers prescriptions filled by people with Medicare Part D drug coverage in 2024, and CMS leaves out any medication with fewer than 11 prescriptions.
About this data
This page shows one provider’s slice of public Medicare files. NPI Profile does not receive prescriptions or patient records.
| Source | What it provides here | Data year |
|---|---|---|
| CMS Medicare Part D Prescribers by Provider and Drug | Each medication, prescriptions, patients, 30-day fills, days of medication and cost. State comparisons average the Kentucky prescribers of the same medication and form, where at least five wrote it. | 2024 (released 2026, the most recent available) |
| CMS Medicare Part D Drug Spending Dashboard | What each medication is used for. | 2024 |
- Only prescriptions filled by people with Medicare Part D drug coverage are counted. Private insurance, Medicaid and cash purchases are not.
- CMS leaves out medications with fewer than 11 prescriptions and hides patient counts under 11.
- Cost per fill is what the plan and the patient paid the pharmacy together, not what you pay at the counter.
- Medication descriptions are summaries from CMS. They are not medical advice; ask a health care professional about any medication.
