ZACHARY P EVANS D.M.D.
Prescription History 1114332921
Dentist - Periodontics in Charleston, SC
What does Dr. Evans prescribe?
In 2024, Dr. Evans wrote 339 Medicare prescriptions for 4 medications. The most prescribed was Amoxicillin, with 197 prescriptions for 159 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. Evans 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 South Carolina prescribers.
What it is used for
Amoxicillin is used to treat a wide variety of bacterial infections.
Compared with South Carolina prescribers
Dr. Evans wrote 197 prescriptions for Amoxicillin, about 4.4 times as often as the typical South Carolina prescriber of it (45). Medicare paid $2.40 per fill, versus $2.64 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 along with regular tooth brushing/flossing to treat gingivitis, a gum disease that causes red, swollen, and easily bleeding gums.
Compared with South Carolina prescribers
Dr. Evans wrote 104 prescriptions for Chlorhexidine Gluconate, about 2.2 times as often as the typical South Carolina prescriber of it (48). Medicare paid $3.66 per fill, versus $4.02 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
Azithromycin is used to treat a wide variety of bacterial infections.
Compared with South Carolina prescribers
Dr. Evans wrote 26 prescriptions for Azithromycin, about 68% as often as the typical South Carolina prescriber of it (38). Medicare paid $3.57 per fill, versus $4.82 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
Amoxicillin/clavulanic acid is a combination penicillin-type antibiotic used to treat a wide variety of bacterial infections.
Compared with South Carolina prescribers
Dr. Evans wrote 12 prescriptions for Amoxicillin-Clavulanate Potass, about 41% as often as the typical South Carolina prescriber of it (29). Medicare paid $5.88 per fill, versus $8.47 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. Evans’s prescriptions
What does Dr. Evans prescribe most?
In 2024 Medicare Part D data, Dr. Evans's most prescribed medications were Amoxicillin (197), Chlorhexidine Gluconate (104) and Azithromycin (26).
How does Dr. Evans's prescribing compare with other South Carolina prescribers?
Of the 4 medications with a state comparison, Dr. Evans prescribes 2 more often than the typical South Carolina prescriber and 2 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Evans 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 South Carolina 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.
