ANDREA ELENA CASTILLO FNP-BC
Prescription History 1104476647
Nurse Practitioner - Family in Las Vegas, NV
What does Andrea Castillo prescribe?
In 2024, Andrea Castillo wrote 441 Medicare prescriptions for 22 medications. The most prescribed was Zolpidem Tartrate, with 39 prescriptions for 21 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 Andrea Castillo prescribes.
Medications 22 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 Nevada prescribers.
What it is used for
Zolpidem is used for a short time to treat a certain sleep problem (insomnia) in adults.
Compared with Nevada prescribers
Andrea Castillo wrote 39 prescriptions for Zolpidem Tartrate, about 85% as often as the typical Nevada prescriber of it (46). Medicare paid $8.56 per fill, versus $6.07 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
Alprazolam is used to treat anxiety and panic disorders.
Compared with Nevada prescribers
Andrea Castillo wrote 36 prescriptions for Alprazolam, about half as often as the typical Nevada prescriber of it (62). Medicare paid $4.55 per fill, versus $5.09 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
Semaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Nevada prescribers
Andrea Castillo wrote 33 prescriptions for Ozempic, about 63% as often as the typical Nevada prescriber of it (53). Medicare paid $1,188.89 per fill, versus $1,350.06 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
Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders.
Compared with Nevada prescribers
Andrea Castillo wrote 31 prescriptions for Prednisone, about 73% as often as the typical Nevada prescriber of it (43). Medicare paid $2.68 per fill, versus $3.85 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Nevada prescribers
Andrea Castillo wrote 30 prescriptions for Amlodipine Besylate, about 24% as often as the typical Nevada prescriber of it (126). Medicare paid $9.10 per fill, versus $6.11 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Nevada prescribers
Andrea Castillo wrote 29 prescriptions for Levothyroxine Sodium, about 22% as often as the typical Nevada prescriber of it (135). Medicare paid $7.56 per fill, versus $10.40 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 Nevada prescribers
Andrea Castillo wrote 25 prescriptions for Atorvastatin Calcium, about 13% as often as the typical Nevada prescriber of it (186). Medicare paid $9.23 per fill, versus $9.59 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Nevada prescribers
Andrea Castillo wrote 24 prescriptions for Metformin Hcl, about 26% as often as the typical Nevada prescriber of it (91). Medicare paid $7.38 per fill, versus $6.99 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
Azithromycin is used to treat a wide variety of bacterial infections.
Compared with Nevada prescribers
Andrea Castillo wrote 17 prescriptions for Azithromycin, about half as often as the typical Nevada prescriber of it (36). Medicare paid $4.32 per fill, versus $4.62 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 medication is used to treat attention deficit hyperactivity disorder - ADHD.
Compared with Nevada prescribers
Andrea Castillo wrote 17 prescriptions for Dextroamphetamine-Amphetamine, about half as often as the typical Nevada prescriber of it (30). Medicare paid $25.83 per fill, versus $29.45 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 an antibiotic used to treat bladder infections (acute cystitis).
Compared with Nevada prescribers
Andrea Castillo wrote 17 prescriptions for Nitrofurantoin Mono-Macro, about 64% as often as the typical Nevada prescriber of it (27). Medicare paid $7.93 per fill, versus $14.31 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
Lisinopril is used to treat high blood pressure.
Compared with Nevada prescribers
Andrea Castillo wrote 16 prescriptions for Lisinopril, about 15% as often as the typical Nevada prescriber of it (106). Medicare paid $10.71 per fill, versus $6.74 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 Nevada prescribers
Andrea Castillo wrote 15 prescriptions for Trazodone Hcl, about 25% as often as the typical Nevada prescriber of it (61). Medicare paid $7.26 per fill, versus $9.13 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
Albuterol (also known as salbutamol) is used to prevent and treat wheezing and shortness of breath caused by breathing problems (such as asthma, chronic obstructive pulmonary disease).
Compared with Nevada prescribers
Andrea Castillo wrote 14 prescriptions for Albuterol Sulfate Hfa, about 22% as often as the typical Nevada prescriber of it (62). Medicare paid $29.57 per fill, versus $31.05 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Nevada prescribers
Andrea Castillo wrote 14 prescriptions for Losartan Potassium, about 12% as often as the typical Nevada prescriber of it (114). Medicare paid $4.38 per fill, versus $9.28 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Nevada prescribers
Andrea Castillo wrote 13 prescriptions for Omeprazole, about 16% as often as the typical Nevada prescriber of it (81). Medicare paid $10.51 per fill, versus $12.70 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 a certain sleep problem (insomnia).
Compared with Nevada prescribers
Andrea Castillo wrote 13 prescriptions for Temazepam, about 42% as often as the typical Nevada prescriber of it (31). Medicare paid $14.31 per fill, versus $9.67 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
Diazepam is used to treat anxiety, alcohol withdrawal, and seizures.
Compared with Nevada prescribers
Andrea Castillo wrote 12 prescriptions for Diazepam, about half as often as the typical Nevada prescriber of it (28). Medicare paid $14.08 per fill, versus $5.18 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Nevada prescribers
Andrea Castillo wrote 12 prescriptions for Gabapentin, about 14% as often as the typical Nevada prescriber of it (86). Medicare paid $21.81 per fill, versus $15.39 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 high blood pressure.
Compared with Nevada prescribers
Andrea Castillo wrote 12 prescriptions for Hydrochlorothiazide, about 20% as often as the typical Nevada prescriber of it (60). Medicare paid $7.38 per fill, versus $5.02 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
Cyclobenzaprine is used short-term to treat muscle spasms.
Compared with Nevada prescribers
Andrea Castillo wrote 11 prescriptions for Cyclobenzaprine Hcl, about 29% as often as the typical Nevada prescriber of it (38). Medicare paid $11.12 per fill, versus $8.18 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
Nystatin is used to treat fungal skin infections.
Compared with Nevada prescribers
Andrea Castillo wrote 11 prescriptions for Nystatin, about half as often as the typical Nevada prescriber of it (21). Medicare paid $7.15 per fill, versus $17.74 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Andrea Castillo’s prescriptions
What does Andrea Castillo prescribe most?
In 2024 Medicare Part D data, Andrea Castillo's most prescribed medications were Zolpidem Tartrate (39), Alprazolam (36) and Ozempic (33).
How does Andrea Castillo's prescribing compare with other Nevada prescribers?
Of the 22 medications with a state comparison, Andrea Castillo prescribes 1 about as often than the typical Nevada prescriber and 21 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Andrea Castillo 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 Nevada 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.
