MICHELLE NGUYEN MD
Prescription History 1811577430
Psychiatry & Neurology - Neurology in Portland, OR
What does Dr. Nguyen prescribe?
In 2024, Dr. Nguyen wrote 97 Medicare prescriptions for 6 medications. The most prescribed was Levetiracetam, with 27 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. Nguyen 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 Oregon prescribers.
What it is used for
Levetiracetam is used to treat seizures (epilepsy).
Compared with Oregon prescribers
Dr. Nguyen wrote 27 prescriptions for Levetiracetam, about 73% as often as the typical Oregon prescriber of it (37). Medicare paid $29.62 per fill, versus $35.02 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 seizure disorders, certain psychiatric conditions (manic phase of bipolar disorder), and to prevent migraine headaches.
Compared with Oregon prescribers
Dr. Nguyen wrote 15 prescriptions for Divalproex Sodium, about half as often as the typical Oregon prescriber of it (31). Medicare paid $176.37 per fill, versus $42.63 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
Lamotrigine is used alone or with other medications to prevent and control seizures.
Compared with Oregon prescribers
Dr. Nguyen wrote 15 prescriptions for Lamotrigine, about 37% as often as the typical Oregon prescriber of it (41). Medicare paid $42.12 per fill, versus $17.80 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
Memantine is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease.
Compared with Oregon prescribers
Dr. Nguyen wrote 14 prescriptions for Memantine Hcl, about 33% as often as the typical Oregon prescriber of it (42). Medicare paid $21.30 per fill, versus $38.17 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
Atorvastatin 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 Oregon prescribers
Dr. Nguyen wrote 13 prescriptions for Atorvastatin Calcium, about 8% as often as the typical Oregon prescriber of it (168). Medicare paid $2.34 per fill, versus $12.77 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Oregon prescribers
Dr. Nguyen wrote 13 prescriptions for Gabapentin, about 17% as often as the typical Oregon prescriber of it (77). Medicare paid $10.25 per fill, versus $20.58 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. Nguyen’s prescriptions
What does Dr. Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed medications were Levetiracetam (27), Divalproex Sodium (15) and Lamotrigine (15).
How does Dr. Nguyen's prescribing compare with other Oregon prescribers?
Of the 6 medications with a state comparison, Dr. Nguyen prescribes 6 less often than the typical Oregon prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Nguyen 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 Oregon 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.
