RENIEL CASTANEIRA
Prescription History 1740735430
Pharmacist in Arcadia, FL
What does Reniel Castaneira prescribe?
In 2024, Reniel Castaneira wrote 135 Medicare prescriptions for 4 medications. The most prescribed was Arexvy (rsvpref3 antigen/as01e/pf), with 49 prescriptions for 49 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 Reniel Castaneira 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 Florida prescribers.
What it is used for
This vaccine is used to prevent infection by the respiratory syncytial virus (RSV).
Compared with Florida prescribers
Reniel Castaneira wrote 49 prescriptions for Arexvy, about 75% as often as the typical Florida prescriber of it (65). Medicare paid $299.82 per fill, versus $289.55 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 vaccine is used by adults to prevent zoster (shingles).
Compared with Florida prescribers
Reniel Castaneira wrote 49 prescriptions for Shingrix, about 82% as often as the typical Florida prescriber of it (60). Medicare paid $212.78 per fill, versus $205.91 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 combination vaccine is used to help prevent infection from the hepatitis A and B viruses.
Compared with Florida prescribers
Reniel Castaneira wrote 22 prescriptions for Twinrix, about 42% as often as the typical Florida prescriber of it (52). Medicare paid $144.26 per fill, versus $137.00 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 vaccine is used to keep up protection (immunity) against diphtheria, tetanus (lockjaw) and pertussis (whooping cough) in children and adults who have been vaccinated for these diseases in the past.
Compared with Florida prescribers
Reniel Castaneira wrote 15 prescriptions for Boostrix Tdap, about half as often as the typical Florida prescriber of it (34). Medicare paid $66.66 per fill, versus $63.82 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Reniel Castaneira’s prescriptions
What does Reniel Castaneira prescribe most?
In 2024 Medicare Part D data, Reniel Castaneira's most prescribed medications were Arexvy (49), Shingrix (49) and Twinrix (22).
How does Reniel Castaneira's prescribing compare with other Florida prescribers?
Of the 4 medications with a state comparison, Reniel Castaneira prescribes 2 about as often than the typical Florida prescriber and 2 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Reniel Castaneira 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 Florida 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.
