SUMBAL KHALID KHAN M.D.
Prescription History 1851314421
Internal Medicine in Austin, TX
What does Dr. Khan prescribe?
In 2024, Dr. Khan wrote 355 Medicare prescriptions for 21 medications. The most prescribed was Atorvastatin Calcium, with 49 prescriptions for 12 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. Khan prescribes.
Medications 21 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
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 Texas prescribers
Dr. Khan wrote 49 prescriptions for Atorvastatin Calcium, about 27% as often as the typical Texas prescriber of it (180). Medicare paid $12.85 per fill, versus $9.48 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Texas prescribers
Dr. Khan wrote 35 prescriptions for Gabapentin, about 36% as often as the typical Texas prescriber of it (96). Medicare paid $11.90 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Texas prescribers
Dr. Khan wrote 26 prescriptions for Amlodipine Besylate, about 20% as often as the typical Texas prescriber of it (133). Medicare paid $9.14 per fill, versus $6.07 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
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Texas prescribers
Dr. Khan wrote 21 prescriptions for Tamsulosin Hcl, about 24% as often as the typical Texas prescriber of it (86). Medicare paid $17.92 per fill, versus $14.12 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 Texas prescribers
Dr. Khan wrote 19 prescriptions for Furosemide, about 25% as often as the typical Texas prescriber of it (78). Medicare paid $7.94 per fill, versus $5.09 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
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 Texas prescribers
Dr. Khan wrote 18 prescriptions for Clopidogrel, about 28% as often as the typical Texas prescriber of it (64). Medicare paid $23.82 per fill, versus $11.09 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 a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with Texas prescribers
Dr. Khan wrote 17 prescriptions for Potassium Chloride, about 27% as often as the typical Texas prescriber of it (62). Medicare paid $51.31 per fill, versus $19.18 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Texas prescribers
Dr. Khan wrote 15 prescriptions for Levothyroxine Sodium, about 10% as often as the typical Texas prescriber of it (150). Medicare paid $11.36 per fill, versus $10.05 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Texas prescribers
Dr. Khan wrote 15 prescriptions for Losartan Potassium, about 14% as often as the typical Texas prescriber of it (111). Medicare paid $4.01 per fill, versus $9.74 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
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with Texas prescribers
Dr. Khan wrote 14 prescriptions for Finasteride, about 26% as often as the typical Texas prescriber of it (54). Medicare paid $21.77 per fill, versus $13.02 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Texas prescribers
Dr. Khan wrote 13 prescriptions for Escitalopram Oxalate, about 25% as often as the typical Texas prescriber of it (51). Medicare paid $11.22 per fill, versus $10.58 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 in men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Texas prescribers
Dr. Khan wrote 12 prescriptions for Dutasteride, about 35% as often as the typical Texas prescriber of it (34). Medicare paid $44.10 per fill, versus $34.25 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 treat certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder).
Compared with Texas prescribers
Dr. Khan wrote 12 prescriptions for Sertraline Hcl, about 20% as often as the typical Texas prescriber of it (59). Medicare paid $6.37 per fill, versus $9.11 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
Topiramate is used alone or with other medications to prevent and control seizures (epilepsy).
Compared with Texas prescribers
Dr. Khan wrote 12 prescriptions for Topiramate, about 37% as often as the typical Texas prescriber of it (33). Medicare paid $177.57 per fill, versus $11.23 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 product is used to treat high blood pressure.
Compared with Texas prescribers
Dr. Khan wrote 11 prescriptions for Amlodipine-Valsartan, about half as often as the typical Texas prescriber of it (24). Medicare paid $23.26 per fill, versus $51.31 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 Texas prescribers
Dr. Khan wrote 11 prescriptions for Azithromycin, about 27% as often as the typical Texas prescriber of it (40). Medicare paid $2.89 per fill, versus $4.63 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
Donepezil is used to treat confusion (dementia) related to Alzheimer's disease.
Compared with Texas prescribers
Dr. Khan wrote 11 prescriptions for Donepezil Hcl, about 16% as often as the typical Texas prescriber of it (70). Medicare paid $11.20 per fill, versus $12.48 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
Memantine is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease.
Compared with Texas prescribers
Dr. Khan wrote 11 prescriptions for Memantine Hcl, about 16% as often as the typical Texas prescriber of it (68). Medicare paid $10.93 per fill, versus $29.92 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Texas prescribers
Dr. Khan wrote 11 prescriptions for Omeprazole, about 14% as often as the typical Texas prescriber of it (79). Medicare paid $10.40 per fill, versus $14.93 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with Texas prescribers
Dr. Khan wrote 11 prescriptions for Pantoprazole Sodium, about 14% as often as the typical Texas prescriber of it (81). Medicare paid $9.52 per fill, versus $11.71 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 of nirmatrelvir and ritonavir is used to treat coronavirus disease (COVID-19) in people who have mild to moderate symptoms and have a high risk for COVID-19 complications.
Compared with Texas prescribers
Dr. Khan wrote 11 prescriptions for Paxlovid, about half as often as the typical Texas prescriber of it (20). Medicare paid $0.00 per fill, versus $41.42 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. Khan’s prescriptions
What does Dr. Khan prescribe most?
In 2024 Medicare Part D data, Dr. Khan's most prescribed medications were Atorvastatin Calcium (49), Gabapentin (35) and Amlodipine Besylate (26).
How does Dr. Khan's prescribing compare with other Texas prescribers?
Of the 21 medications with a state comparison, Dr. Khan prescribes 21 less often than the typical Texas prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Khan 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.
