DR. SILVIU CATALIN DIACONU M.D.
Prescription History 1982960530
Surgery - Plastic and Reconstructive Surgery in Mc Lean, VA
What does Dr. Diaconu prescribe?
In 2024, Dr. Diaconu wrote 69 Medicare prescriptions for 5 medications. The most prescribed was Ondansetron Hcl, with 16 prescriptions for 14 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. Diaconu prescribes.
Medications 5 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 Virginia prescribers.
What it is used for
This medication is used alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy.
Compared with Virginia prescribers
Dr. Diaconu wrote 16 prescriptions for Ondansetron Hcl, about half as often as the typical Virginia prescriber of it (31). Medicare paid $2.71 per fill, versus $23.07 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
This medication is used to treat a wide variety of bacterial infections.
Compared with Virginia prescribers
Dr. Diaconu wrote 15 prescriptions for Cefadroxil, about half as often as the typical Virginia prescriber of it (36). Medicare paid $7.15 per fill, versus $8.60 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
See also Warning section.
Compared with Virginia prescribers
Dr. Diaconu wrote 15 prescriptions for Tramadol Hcl, about 30% as often as the typical Virginia prescriber of it (50). Medicare paid $1.51 per fill, versus $7.14 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 Virginia prescribers
Dr. Diaconu wrote 12 prescriptions for Gabapentin, about 13% as often as the typical Virginia prescriber of it (89). Medicare paid $5.67 per fill, versus $13.47 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
This medication is used to help relieve moderate to severe pain.
Compared with Virginia prescribers
Dr. Diaconu wrote 11 prescriptions for Oxycodone Hcl, about 20% as often as the typical Virginia prescriber of it (55). Medicare paid $3.62 per fill, versus $16.09 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. Diaconu’s prescriptions
What does Dr. Diaconu prescribe most?
In 2024 Medicare Part D data, Dr. Diaconu's most prescribed medications were Ondansetron Hcl (16), Cefadroxil (15) and Tramadol Hcl (15).
How does Dr. Diaconu's prescribing compare with other Virginia prescribers?
Of the 5 medications with a state comparison, Dr. Diaconu prescribes 5 less often than the typical Virginia prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Diaconu 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 Virginia 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.
