DR. DANIEL J HILES MD
Prescription History 1942648621
Internal Medicine in Chula Vista, CA
What does Dr. Hiles prescribe?
In 2024, Dr. Hiles wrote 245 Medicare prescriptions for 12 medications. The most prescribed was Atorvastatin Calcium, with 61 prescriptions for 22 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 Dr. Hiles prescribes.
Medications 12 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 California prescribers.
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 California prescribers
Dr. Hiles wrote 61 prescriptions for Atorvastatin Calcium, about 30% as often as the typical California prescriber of it (202). Medicare paid $59.57 per fill, versus $10.47 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 California prescribers
Dr. Hiles wrote 27 prescriptions for Losartan Potassium, about 22% as often as the typical California prescriber of it (121). Medicare paid $33.72 per fill, versus $10.35 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 California prescribers
Dr. Hiles wrote 24 prescriptions for Gabapentin, about 30% as often as the typical California prescriber of it (80). Medicare paid $26.11 per fill, versus $15.63 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
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with California prescribers
Dr. Hiles wrote 20 prescriptions for Alendronate Sodium, about 33% as often as the typical California prescriber of it (61). Medicare paid $30.25 per fill, versus $9.65 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 California prescribers
Dr. Hiles wrote 19 prescriptions for Lisinopril, about 19% as often as the typical California prescriber of it (98). Medicare paid $19.27 per fill, versus $8.30 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 California prescribers
Dr. Hiles wrote 18 prescriptions for Amlodipine Besylate, about 13% as often as the typical California prescriber of it (141). Medicare paid $29.09 per fill, versus $7.08 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
Apixaban is used to prevent serious blood clots from forming due to a certain irregular heartbeat (atrial fibrillation) or after hip/knee replacement surgery.
Compared with California prescribers
Dr. Hiles wrote 14 prescriptions for Eliquis, about 19% as often as the typical California prescriber of it (73). Medicare paid $619.69 per fill, versus $923.33 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 fungal infections of the fingernails and toenails.
Compared with California prescribers
Dr. Hiles wrote 13 prescriptions for Ciclopirox, about 41% as often as the typical California prescriber of it (32). Medicare paid $63.75 per fill, versus $24.93 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
Ezetimibe is used along with a low cholesterol/low fat diet and exercise to help lower cholesterol in the blood.
Compared with California prescribers
Dr. Hiles wrote 13 prescriptions for Ezetimibe, about 26% as often as the typical California prescriber of it (51). Medicare paid $99.02 per fill, versus $26.00 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with California prescribers
Dr. Hiles wrote 13 prescriptions for Metformin Hcl, about 13% as often as the typical California prescriber of it (100). Medicare paid $27.94 per fill, versus $9.26 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with California prescribers
Dr. Hiles wrote 12 prescriptions for Carvedilol, about 21% as often as the typical California prescriber of it (56). Medicare paid $46.72 per fill, versus $8.98 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 used to treat certain mental/mood disorders (such as schizophrenia, bipolar disorder, sudden episodes of mania or depression associated with bipolar disorder).
Compared with California prescribers
Dr. Hiles wrote 11 prescriptions for Quetiapine Fumarate, about 20% as often as the typical California prescriber of it (55). Medicare paid $67.21 per fill, versus $19.69 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. Hiles’s prescriptions
What does Dr. Hiles prescribe most?
In 2024 Medicare Part D data, Dr. Hiles's most prescribed medications were Atorvastatin Calcium (61), Losartan Potassium (27) and Gabapentin (24).
How does Dr. Hiles's prescribing compare with other California prescribers?
Of the 12 medications with a state comparison, Dr. Hiles prescribes 12 less often than the typical California prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Hiles 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 California 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.
