MS. PRISCILLA ANN-MARIE SINCLAIR MSN, RN, PMHNP-BC
Prescription History 1417455759
Nurse Practitioner - Psychiatric/Mental Health in Boston, MA
What does Priscilla Sinclair prescribe?
In 2024, Priscilla Sinclair wrote 80 Medicare prescriptions for 4 medications. The most prescribed was Venlafaxine Hcl Er (venlafaxine hcl), with 26 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 Priscilla Sinclair prescribes.
Medications 4 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 Massachusetts prescribers.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety, panic attacks, and social anxiety disorder).
Compared with Massachusetts prescribers
Priscilla Sinclair wrote 26 prescriptions for Venlafaxine Hcl Er, about 76% as often as the typical Massachusetts prescriber of it (34). Medicare paid $11.83 per fill, versus $20.54 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
Prazosin is used with or without other medications to treat high blood pressure.
Compared with Massachusetts prescribers
Priscilla Sinclair wrote 24 prescriptions for Prazosin Hcl, about 67% as often as the typical Massachusetts prescriber of it (36). Medicare paid $20.13 per fill, versus $19.02 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 alone or with other medications to treat high blood pressure (hypertension).
Compared with Massachusetts prescribers
Priscilla Sinclair wrote 17 prescriptions for Clonidine Hcl, about half as often as the typical Massachusetts prescriber of it (33). Medicare paid $13.55 per fill, versus $7.87 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 Massachusetts prescribers
Priscilla Sinclair wrote 13 prescriptions for Mirtazapine, about 25% as often as the typical Massachusetts prescriber of it (51). Medicare paid $21.87 per fill, versus $19.68 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Priscilla Sinclair’s prescriptions
What does Priscilla Sinclair prescribe most?
In 2024 Medicare Part D data, Priscilla Sinclair's most prescribed medications were Venlafaxine Hcl Er (26), Prazosin Hcl (24) and Clonidine Hcl (17).
How does Priscilla Sinclair's prescribing compare with other Massachusetts prescribers?
Of the 4 medications with a state comparison, Priscilla Sinclair prescribes 1 about as often than the typical Massachusetts prescriber and 3 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Priscilla Sinclair 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 Massachusetts 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.