MR. BRIAN KIERAN GREENBUSH FNP-C
Prescription History 1316300585
Nurse Practitioner - Family in Phoenix, AZ
What does Brian Greenbush prescribe?
In 2024, Brian Greenbush wrote 26 Medicare prescriptions for 2 medications. The most prescribed was Afrezza (insulin regular, human), with 14 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 Brian Greenbush prescribes.
Medications 2 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 Arizona prescribers.
What it is used for
Inhaled insulin powder is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with Arizona prescribers
Brian Greenbush wrote 14 prescriptions for Afrezza, about 81% as often as the typical Arizona prescriber of it (17). Medicare paid $2,915.61 per fill, versus $1,486.33 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
Minoxidil is used with other medications to treat high blood pressure (hypertension).
Compared with Arizona prescribers
Brian Greenbush wrote 12 prescriptions for Minoxidil, about 41% as often as the typical Arizona prescriber of it (29). Medicare paid $8.31 per fill, versus $13.23 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Brian Greenbush’s prescriptions
What does Brian Greenbush prescribe most?
In 2024 Medicare Part D data, Brian Greenbush's most prescribed medications were Afrezza (14) and Minoxidil (12).
How does Brian Greenbush's prescribing compare with other Arizona prescribers?
Of the 2 medications with a state comparison, Brian Greenbush prescribes 1 about as often than the typical Arizona prescriber and 1 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Brian Greenbush 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 Arizona 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.
