DR. SAMANTHA ANNE MAY MD
Prescription History 1013599521
Psychiatry & Neurology - Psychiatry in Corvallis, OR
What does Dr. May prescribe?
In 2024, Dr. May wrote 184 Medicare prescriptions for 11 medications. The most prescribed was Duloxetine Hcl, with 36 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. May prescribes.
Medications 11 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Oregon prescribers
Dr. May wrote 36 prescriptions for Duloxetine Hcl, about 75% as often as the typical Oregon prescriber of it (48). Medicare paid $12.32 per fill, versus $26.63 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
This medication is used to treat depression.
Compared with Oregon prescribers
Dr. May wrote 21 prescriptions for Bupropion Xl, about half as often as the typical Oregon prescriber of it (37). Medicare paid $17.20 per fill, versus $27.90 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 certain mental/mood disorders (such as schizophrenia, bipolar disorder, irritability associated with autistic disorder).
Compared with Oregon prescribers
Dr. May wrote 21 prescriptions for Risperidone, about half as often as the typical Oregon prescriber of it (36). Medicare paid $5.17 per fill, versus $18.97 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 Oregon prescribers
Dr. May wrote 15 prescriptions for Hydroxyzine Hcl, about half as often as the typical Oregon prescriber of it (26). Medicare paid $10.26 per fill, versus $14.98 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 a beta blocker used to treat high blood pressure, irregular heartbeats, shaking (tremors), and other conditions.
Compared with Oregon prescribers
Dr. May wrote 15 prescriptions for Propranolol Hcl, about half as often as the typical Oregon prescriber of it (25). Medicare paid $8.46 per fill, versus $20.57 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
This medication is used to treat depression.
Compared with Oregon prescribers
Dr. May wrote 14 prescriptions for Amitriptyline Hcl, about half as often as the typical Oregon prescriber of it (24). Medicare paid $9.77 per fill, versus $17.10 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
Clonazepam is used to prevent and control seizures.
Compared with Oregon prescribers
Dr. May wrote 14 prescriptions for Clonazepam, about 38% as often as the typical Oregon prescriber of it (37). Medicare paid $6.09 per fill, versus $9.18 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, mental/mood conditions (such as manic phase of bipolar disorder), and to prevent migraine headaches.
Compared with Oregon prescribers
Dr. May wrote 13 prescriptions for Divalproex Sodium Er, about 42% as often as the typical Oregon prescriber of it (31). Medicare paid $19.82 per fill, versus $50.78 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 certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder).
Compared with Oregon prescribers
Dr. May wrote 13 prescriptions for Fluoxetine Hcl, about 35% as often as the typical Oregon prescriber of it (37). Medicare paid $9.92 per fill, versus $13.71 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. May wrote 11 prescriptions for Lamotrigine, about 27% as often as the typical Oregon prescriber of it (41). Medicare paid $4.22 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
This medication is used to treat depression.
Compared with Oregon prescribers
Dr. May wrote 11 prescriptions for Trazodone Hcl, about 17% as often as the typical Oregon prescriber of it (64). Medicare paid $7.06 per fill, versus $11.02 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. May’s prescriptions
What does Dr. May prescribe most?
In 2024 Medicare Part D data, Dr. May's most prescribed medications were Duloxetine Hcl (36), Bupropion Xl (21) and Risperidone (21).
How does Dr. May's prescribing compare with other Oregon prescribers?
Of the 11 medications with a state comparison, Dr. May prescribes 1 about as often than the typical Oregon prescriber and 10 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. May 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.
