DR. DAVID SCOTT CARPENTER O.D.
Prescription History 1164530754
Optometrist in Princeton, WV
What does Dr. Carpenter prescribe?
In 2024, Dr. Carpenter wrote 530 Medicare prescriptions for 8 medications. The most prescribed was Latanoprost, with 225 prescriptions for 56 patients.
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. Carpenter prescribes.
Medications 8 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 West Virginia prescribers.
What it is used for
Latanoprost is used to treat high pressure inside the eye due to glaucoma (open angle type) or other eye diseases (such as ocular hypertension).
Compared with West Virginia prescribers
Dr. Carpenter wrote 225 prescriptions for Latanoprost, about 1.6 times as often as the typical West Virginia prescriber of it (141). Medicare paid $11.88 per fill, versus $11.17 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 product contains two drugs used to treat high pressure inside the eye due to glaucoma (open angle-type) or other eye diseases (such as ocular hypertension).
Compared with West Virginia prescribers
Dr. Carpenter wrote 100 prescriptions for Dorzolamide-Timolol, about 1.4 times as often as the typical West Virginia prescriber of it (74). Medicare paid $13.42 per fill, versus $19.41 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
Bimatoprost is used to treat high pressure inside the eye due to glaucoma (open-angle type) or other eye diseases (such as ocular hypertension).
Compared with West Virginia prescribers
Dr. Carpenter wrote 71 prescriptions for Lumigan, about 2 times as often as the typical West Virginia prescriber of it (36). Medicare paid $260.64 per fill, versus $456.62 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
Travoprost is used to treat high pressure inside the eye due to glaucoma (open-angle type) or other eye diseases (such as ocular hypertension).
Compared with West Virginia prescribers
Dr. Carpenter wrote 52 prescriptions for Travoprost, about 1.9 times as often as the typical West Virginia prescriber of it (28). Medicare paid $136.31 per fill, versus $162.48 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 to treat open-angle glaucoma or high fluid pressure in the eye.
Compared with West Virginia prescribers
Dr. Carpenter wrote 38 prescriptions for Brimonidine Tartrate, about 70% as often as the typical West Virginia prescriber of it (54). Medicare paid $120.90 per fill, versus $38.26 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 to treat high pressure inside the eye due to glaucoma (open angle-type) or other eye diseases (such as ocular hypertension).
Compared with West Virginia prescribers
Dr. Carpenter wrote 17 prescriptions for Timolol Maleate, about 28% as often as the typical West Virginia prescriber of it (61). Medicare paid $9.20 per fill, versus $17.53 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
Dorzolamide is used to treat high pressure inside the eye due to glaucoma (open angle-type) or other eye diseases (such as ocular hypertension).
Compared with West Virginia prescribers
Dr. Carpenter wrote 15 prescriptions for Dorzolamide Hcl, about 36% as often as the typical West Virginia prescriber of it (41). Medicare paid $26.35 per fill, versus $20.16 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 to treat or prevent eye infections.
Compared with West Virginia prescribers
Dr. Carpenter wrote 12 prescriptions for Tobramycin-Dexamethasone, about 39% as often as the typical West Virginia prescriber of it (30). Medicare paid $59.64 per fill, versus $49.21 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. Carpenter’s prescriptions
What does Dr. Carpenter prescribe most?
In 2024 Medicare Part D data, Dr. Carpenter's most prescribed medications were Latanoprost (225), Dorzolamide-Timolol (100) and Lumigan (71).
How does Dr. Carpenter's prescribing compare with other West Virginia prescribers?
Of the 8 medications with a state comparison, Dr. Carpenter prescribes 4 more often than the typical West Virginia prescriber and 4 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Carpenter 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 West Virginia 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.
