DR. AJLAN AL ZAKI MD, PHD
Prescription History 1992201719
Internal Medicine - Hematology & Oncology in Houston, TX
What does Dr. Al Zaki prescribe?
In 2024, Dr. Al Zaki wrote 67 Medicare prescriptions for 4 medications. The most prescribed was Valacyclovir (valacyclovir hcl), with 31 prescriptions for 17 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. Al Zaki 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 Texas prescribers.
What it is used for
Valacyclovir is used to treat infections caused by certain types of viruses.
Compared with Texas prescribers
Dr. Al Zaki wrote 31 prescriptions for Valacyclovir, about 1.3 times as often as the typical Texas prescriber of it (23). Medicare paid $22.79 per fill, versus $35.56 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 combination of two antibiotics: sulfamethoxazole and trimethoprim.
Compared with Texas prescribers
Dr. Al Zaki wrote 14 prescriptions for Sulfamethoxazole-Trimethoprim, about half as often as the typical Texas prescriber of it (27). Medicare paid $1.49 per fill, versus $5.34 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 Texas prescribers
Dr. Al Zaki wrote 11 prescriptions for Entecavir, about half as often as the typical Texas prescriber of it (22). Medicare paid $33.75 per fill, versus $172.15 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
Levetiracetam is used to treat seizures (epilepsy).
Compared with Texas prescribers
Dr. Al Zaki wrote 11 prescriptions for Levetiracetam, about 21% as often as the typical Texas prescriber of it (53). Medicare paid $7.64 per fill, versus $33.28 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. Al Zaki’s prescriptions
What does Dr. Al Zaki prescribe most?
In 2024 Medicare Part D data, Dr. Al Zaki's most prescribed medications were Valacyclovir (31), Sulfamethoxazole-Trimethoprim (14) and Entecavir (11).
How does Dr. Al Zaki's prescribing compare with other Texas prescribers?
Of the 4 medications with a state comparison, Dr. Al Zaki prescribes 1 more often than the typical Texas prescriber and 3 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Al Zaki 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 Texas 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.
