TIARA ONG M.D.
Prescription History 1578097192
Internal Medicine in Clermont, FL
What does Dr. Ong prescribe?
In 2024, Dr. Ong wrote 189 Medicare prescriptions for 10 medications. The most prescribed was Amoxicillin-Clavulanate Potass (amoxicillin/potassium clav), with 31 prescriptions for 31 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. Ong prescribes.
Medications 10 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
Amoxicillin/clavulanic acid is a combination penicillin-type antibiotic used to treat a wide variety of bacterial infections.
Compared with Florida prescribers
Dr. Ong wrote 31 prescriptions for Amoxicillin-Clavulanate Potass, about as often as the typical Florida prescriber of it (32). Medicare paid $6.56 per fill, versus $9.46 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 Florida prescribers
Dr. Ong wrote 24 prescriptions for Amlodipine Besylate, about 16% as often as the typical Florida prescriber of it (150). Medicare paid $2.73 per fill, versus $5.82 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 Florida prescribers
Dr. Ong wrote 24 prescriptions for Prednisone, about half as often as the typical Florida prescriber of it (53). Medicare paid $2.80 per fill, versus $4.25 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 help relieve moderate to severe pain.
Compared with Florida prescribers
Dr. Ong wrote 22 prescriptions for Oxycodone Hcl, about 24% as often as the typical Florida prescriber of it (90). Medicare paid $1.52 per fill, versus $19.04 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with Florida prescribers
Dr. Ong wrote 20 prescriptions for Pantoprazole Sodium, about 24% as often as the typical Florida prescriber of it (83). Medicare paid $7.62 per fill, versus $11.88 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 Florida prescribers
Dr. Ong wrote 16 prescriptions for Atorvastatin Calcium, about 8% as often as the typical Florida prescriber of it (197). Medicare paid $5.19 per fill, versus $9.21 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
Furosemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease.
Compared with Florida prescribers
Dr. Ong wrote 16 prescriptions for Furosemide, about 23% as often as the typical Florida prescriber of it (69). Medicare paid $2.85 per fill, versus $4.78 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
Clopidogrel is used to prevent heart attacks and strokes in persons with heart disease (recent heart attack), recent stroke, or blood circulation disease (peripheral vascular disease).
Compared with Florida prescribers
Dr. Ong wrote 13 prescriptions for Clopidogrel, about 20% as often as the typical Florida prescriber of it (64). Medicare paid $4.43 per fill, versus $11.00 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Florida prescribers
Dr. Ong wrote 12 prescriptions for Gabapentin, about 12% as often as the typical Florida prescriber of it (102). Medicare paid $6.85 per fill, versus $14.90 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 a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with Florida prescribers
Dr. Ong wrote 11 prescriptions for Metoprolol Succinate, about 11% as often as the typical Florida prescriber of it (105). Medicare paid $7.32 per fill, versus $13.25 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. Ong’s prescriptions
What does Dr. Ong prescribe most?
In 2024 Medicare Part D data, Dr. Ong's most prescribed medications were Amoxicillin-Clavulanate Potass (31), Amlodipine Besylate (24) and Prednisone (24).
How does Dr. Ong's prescribing compare with other Florida prescribers?
Of the 10 medications with a state comparison, Dr. Ong prescribes 1 about as often than the typical Florida prescriber and 9 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Ong 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.
