DR. GREGORY WALTER GREENWOOD D.M.D.
Prescription History 1275729667
Dentist in Las Vegas, NV
What does Dr. Greenwood prescribe?
In 2024, Dr. Greenwood wrote 68 Medicare prescriptions for 3 medications. The most prescribed was Ibuprofen, with 32 prescriptions for 26 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. Greenwood prescribes.
Medications 3 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 Nevada prescribers.
What it is used for
Ibuprofen is used to relieve pain from various conditions such as headache, dental pain, menstrual cramps, muscle aches, or arthritis.
Compared with Nevada prescribers
Dr. Greenwood wrote 32 prescriptions for Ibuprofen, about 80% as often as the typical Nevada prescriber of it (40). Medicare paid $3.70 per fill, versus $7.57 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
Amoxicillin is used to treat a wide variety of bacterial infections.
Compared with Nevada prescribers
Dr. Greenwood wrote 24 prescriptions for Amoxicillin, about half as often as the typical Nevada prescriber of it (42). Medicare paid $2.89 per fill, versus $3.03 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 combination medication is used to relieve moderate to severe pain.
Compared with Nevada prescribers
Dr. Greenwood wrote 12 prescriptions for Hydrocodone-Acetaminophen, about 13% as often as the typical Nevada prescriber of it (89). Medicare paid $5.96 per fill, versus $22.36 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. Greenwood’s prescriptions
What does Dr. Greenwood prescribe most?
In 2024 Medicare Part D data, Dr. Greenwood's most prescribed medications were Ibuprofen (32), Amoxicillin (24) and Hydrocodone-Acetaminophen (12).
How does Dr. Greenwood's prescribing compare with other Nevada prescribers?
Of the 3 medications with a state comparison, Dr. Greenwood prescribes 1 about as often than the typical Nevada prescriber and 2 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Greenwood 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 Nevada 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.
