RHIANNON A ARMSTRONG ARNP
Prescription History 1366090110
Nurse Practitioner - Psychiatric/Mental Health in Spokane, WA
What does Rhiannon Armstrong prescribe?
In 2024, Rhiannon Armstrong wrote 46 Medicare prescriptions for 3 medications. The most prescribed was Clonidine Hcl, with 19 prescriptions for 15 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 Rhiannon Armstrong 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 Washington prescribers.
What it is used for
This medication is used alone or with other medications to treat high blood pressure (hypertension).
Compared with Washington prescribers
Rhiannon Armstrong wrote 19 prescriptions for Clonidine Hcl, about 84% as often as the typical Washington prescriber of it (23). Medicare paid $8.70 per fill, versus $7.61 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
Hydroxyzine is used to treat itching caused by allergies.
Compared with Washington prescribers
Rhiannon Armstrong wrote 16 prescriptions for Hydroxyzine Pamoate, about 60% as often as the typical Washington prescriber of it (27). Medicare paid $12.60 per fill, versus $13.22 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 depression.
Compared with Washington prescribers
Rhiannon Armstrong wrote 11 prescriptions for Trazodone Hcl, about 18% as often as the typical Washington prescriber of it (61). Medicare paid $9.58 per fill, versus $10.78 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Rhiannon Armstrong’s prescriptions
What does Rhiannon Armstrong prescribe most?
In 2024 Medicare Part D data, Rhiannon Armstrong's most prescribed medications were Clonidine Hcl (19), Hydroxyzine Pamoate (16) and Trazodone Hcl (11).
How does Rhiannon Armstrong's prescribing compare with other Washington prescribers?
Of the 3 medications with a state comparison, Rhiannon Armstrong prescribes 1 about as often than the typical Washington prescriber and 2 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Rhiannon Armstrong 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 Washington 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.
