MR. MOHAMMAD RIAZ MD
Prescription History 1619947421
Internal Medicine - Medical Oncology in Katy, TX
What does Dr. Riaz prescribe?
In 2024, Dr. Riaz wrote 407 Medicare prescriptions for 20 medications. The most prescribed was Ondansetron Hcl, with 44 prescriptions for 33 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. Riaz prescribes.
Medications 20 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
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 Texas prescribers
Dr. Riaz wrote 44 prescriptions for Ondansetron Hcl, about 1.5 times as often as the typical Texas prescriber of it (30). Medicare paid $8.42 per fill, versus $12.56 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
Tamoxifen is used to treat breast cancer.
Compared with Texas prescribers
Dr. Riaz wrote 44 prescriptions for Tamoxifen Citrate, about 1.2 times as often as the typical Texas prescriber of it (37). Medicare paid $14.42 per fill, versus $26.20 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 severe nausea and vomiting from certain causes (for example, after surgery or cancer treatment).
Compared with Texas prescribers
Dr. Riaz wrote 34 prescriptions for Prochlorperazine Maleate, about 1.2 times as often as the typical Texas prescriber of it (29). Medicare paid $14.82 per fill, versus $14.01 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 combination medication is used to relieve moderate to severe pain.
Compared with Texas prescribers
Dr. Riaz wrote 25 prescriptions for Hydrocodone-Acetaminophen, about 21% as often as the typical Texas prescriber of it (120). Medicare paid $21.78 per fill, versus $25.16 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 blood clots (such as in deep vein thrombosis-DVT or pulmonary embolus-PE) and/or to prevent new clots from forming in your body.
Compared with Texas prescribers
Dr. Riaz wrote 25 prescriptions for Warfarin Sodium, about 74% as often as the typical Texas prescriber of it (34). Medicare paid $0.71 per fill, versus $8.54 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 contains 2 amide-type local anesthetics, lidocaine and prilocaine.
Compared with Texas prescribers
Dr. Riaz wrote 24 prescriptions for Lidocaine-Prilocaine, about as often as the typical Texas prescriber of it (24). Medicare paid $20.78 per fill, versus $16.64 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 to treat certain types of breast cancer (such as hormone-receptor-positive breast cancer) in women after menopause.
Compared with Texas prescribers
Dr. Riaz wrote 23 prescriptions for Letrozole, about 41% as often as the typical Texas prescriber of it (57). Medicare paid $22.00 per fill, versus $20.81 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
Rivaroxaban is used to prevent blood clots from forming due to a certain irregular heartbeat (atrial fibrillation) or after hip or knee replacement surgery.
Compared with Texas prescribers
Dr. Riaz wrote 22 prescriptions for Xarelto, about half as often as the typical Texas prescriber of it (45). Medicare paid $655.69 per fill, versus $943.32 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
Lenalidomide is used to treat various types of cancers.
Compared with Texas prescribers
Dr. Riaz wrote 20 prescriptions for Revlimid, about half as often as the typical Texas prescriber of it (37). Medicare paid $21,107.83 per fill, versus $17,008.95 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
Everolimus is used to treat various types of cancer (such as kidney, breast, pancreas, lung, stomach/intestinal cancers).
Compared with Texas prescribers
Dr. Riaz wrote 16 prescriptions for Everolimus, about 88% as often as the typical Texas prescriber of it (18). Medicare paid $3,706.36 per fill, versus $3,659.47 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 by people with sickle cell anemia to reduce the number of painful crises caused by the disease and to reduce the need for blood transfusions.
Compared with Texas prescribers
Dr. Riaz wrote 16 prescriptions for Hydroxyurea, about half as often as the typical Texas prescriber of it (34). Medicare paid $13.57 per fill, versus $24.83 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 contains 2 ingredients: decitabine and cedazuridine.
Compared with Texas prescribers
Dr. Riaz wrote 15 prescriptions for Inqovi, about 74% as often as the typical Texas prescriber of it (20). Medicare paid $8,414.13 per fill, versus $7,560.93 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
Megestrol is used to treat loss of appetite and weight loss in people with AIDS.
Compared with Texas prescribers
Dr. Riaz wrote 15 prescriptions for Megestrol Acetate, about 62% as often as the typical Texas prescriber of it (24). Medicare paid $98.44 per fill, versus $58.36 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 Texas prescribers
Dr. Riaz wrote 14 prescriptions for Gabapentin, about 15% as often as the typical Texas prescriber of it (96). Medicare paid $18.92 per fill, versus $15.87 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 Texas prescribers
Dr. Riaz wrote 13 prescriptions for Morphine Sulfate, about 39% as often as the typical Texas prescriber of it (33). Medicare paid $31.66 per fill, versus $28.74 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 types of cancer (such as acute lymphoblastic leukemia, chronic myeloid leukemia, gastrointestinal stromal tumors, and myelodysplastic/myeloproliferative diseases).
Compared with Texas prescribers
Dr. Riaz wrote 12 prescriptions for Imatinib Mesylate, about half as often as the typical Texas prescriber of it (22). Medicare paid $72.44 per fill, versus $1,513.48 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 severe ongoing pain (such as due to cancer).
Compared with Texas prescribers
Dr. Riaz wrote 12 prescriptions for Morphine Sulfate Er, about 20% as often as the typical Texas prescriber of it (61). Medicare paid $23.40 per fill, versus $31.84 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
Alectinib is used to treat a certain type of lung cancer.
Compared with Texas prescribers
Dr. Riaz wrote 11 prescriptions for Alecensa, about 78% as often as the typical Texas prescriber of it (14). Medicare paid $21,458.13 per fill, versus $17,192.09 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 cancers (such as chronic lymphocytic leukemia/small lymphocytic lymphoma, Waldenstrom's macroglobulinemia).
Compared with Texas prescribers
Dr. Riaz wrote 11 prescriptions for Imbruvica, about half as often as the typical Texas prescriber of it (25). Medicare paid $16,397.31 per fill, versus $14,878.61 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
Lenalidomide is used to treat various types of cancers.
Compared with Texas prescribers
Dr. Riaz wrote 11 prescriptions for Lenalidomide, about 37% as often as the typical Texas prescriber of it (30). Medicare paid $14,922.53 per fill, versus $13,686.86 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. Riaz’s prescriptions
What does Dr. Riaz prescribe most?
In 2024 Medicare Part D data, Dr. Riaz's most prescribed medications were Ondansetron Hcl (44), Tamoxifen Citrate (44) and Prochlorperazine Maleate (34).
How does Dr. Riaz's prescribing compare with other Texas prescribers?
Of the 20 medications with a state comparison, Dr. Riaz prescribes 1 more often than the typical Texas prescriber, 5 about as often and 14 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Riaz 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.
