AHMET B GULER M.D.
Prescription History 1790738664
Internal Medicine in Saint Louis, MO
What does Dr. Guler prescribe?
In 2024, Dr. Guler wrote 830 Medicare prescriptions for 28 medications. The most prescribed was Atorvastatin Calcium, with 92 prescriptions for 68 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. Guler prescribes.
Medications 28 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 Missouri 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 Missouri prescribers
Dr. Guler wrote 92 prescriptions for Atorvastatin Calcium, about 41% as often as the typical Missouri prescriber of it (225). Medicare paid $2.96 per fill, versus $8.36 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with Missouri prescribers
Dr. Guler wrote 77 prescriptions for Pantoprazole Sodium, about 74% as often as the typical Missouri prescriber of it (105). Medicare paid $5.19 per fill, versus $10.99 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 Missouri prescribers
Dr. Guler wrote 44 prescriptions for Amlodipine Besylate, about 27% as often as the typical Missouri prescriber of it (164). Medicare paid $2.59 per fill, versus $5.31 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
Hydralazine is used with or without other medications to treat high blood pressure.
Compared with Missouri prescribers
Dr. Guler wrote 44 prescriptions for Hydralazine Hcl, about as often as the typical Missouri prescriber of it (45). Medicare paid $3.72 per fill, versus $11.92 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Missouri prescribers
Dr. Guler wrote 38 prescriptions for Gabapentin, about 33% as often as the typical Missouri prescriber of it (115). Medicare paid $11.24 per fill, versus $15.91 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
Apixaban is used to prevent serious blood clots from forming due to a certain irregular heartbeat (atrial fibrillation) or after hip/knee replacement surgery.
Compared with Missouri prescribers
Dr. Guler wrote 37 prescriptions for Eliquis, about 34% as often as the typical Missouri prescriber of it (110). Medicare paid $620.06 per fill, versus $777.14 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Missouri prescribers
Dr. Guler wrote 32 prescriptions for Levothyroxine Sodium, about 17% as often as the typical Missouri prescriber of it (194). Medicare paid $5.10 per fill, versus $8.86 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 beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with Missouri prescribers
Dr. Guler wrote 32 prescriptions for Metoprolol Succinate, about 26% as often as the typical Missouri prescriber of it (124). Medicare paid $5.24 per fill, versus $11.38 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 alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy.
Compared with Missouri prescribers
Dr. Guler wrote 32 prescriptions for Ondansetron Odt, about 1.2 times as often as the typical Missouri prescriber of it (28). Medicare paid $18.45 per fill, versus $17.08 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 Missouri prescribers
Dr. Guler wrote 29 prescriptions for Oxycodone Hcl, about half as often as the typical Missouri prescriber of it (58). Medicare paid $5.43 per fill, versus $15.05 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
Albuterol (also known as salbutamol) is used to prevent and treat wheezing and shortness of breath caused by breathing problems (such as asthma, chronic obstructive pulmonary disease).
Compared with Missouri prescribers
Dr. Guler wrote 28 prescriptions for Albuterol Sulfate Hfa, about 35% as often as the typical Missouri prescriber of it (81). Medicare paid $18.28 per fill, versus $25.65 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 Missouri prescribers
Dr. Guler wrote 28 prescriptions for Losartan Potassium, about 22% as often as the typical Missouri prescriber of it (128). Medicare paid $3.49 per fill, versus $7.83 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
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 Missouri prescribers
Dr. Guler wrote 27 prescriptions for Clopidogrel, about 37% as often as the typical Missouri prescriber of it (74). Medicare paid $5.41 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
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 Missouri prescribers
Dr. Guler wrote 26 prescriptions for Furosemide, about 25% as often as the typical Missouri prescriber of it (106). Medicare paid $1.72 per fill, versus $4.64 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 for certain patients who have symptoms of low blood pressure when standing.
Compared with Missouri prescribers
Dr. Guler wrote 25 prescriptions for Midodrine Hcl, about 80% as often as the typical Missouri prescriber of it (31). Medicare paid $78.37 per fill, versus $63.34 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with Missouri prescribers
Dr. Guler wrote 24 prescriptions for Carvedilol, about 27% as often as the typical Missouri prescriber of it (91). Medicare paid $1.87 per fill, versus $7.11 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
Famotidine is used to treat ulcers of the stomach and intestines and to prevent intestinal ulcers from coming back after they have healed.
Compared with Missouri prescribers
Dr. Guler wrote 23 prescriptions for Famotidine, about 36% as often as the typical Missouri prescriber of it (63). Medicare paid $3.20 per fill, versus $12.79 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
Lisinopril is used to treat high blood pressure.
Compared with Missouri prescribers
Dr. Guler wrote 23 prescriptions for Lisinopril, about 15% as often as the typical Missouri prescriber of it (151). Medicare paid $5.17 per fill, versus $5.80 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
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Missouri prescribers
Dr. Guler wrote 22 prescriptions for Metoprolol Tartrate, about 26% as often as the typical Missouri prescriber of it (86). Medicare paid $2.51 per fill, versus $5.80 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 Missouri prescribers
Dr. Guler wrote 21 prescriptions for Duloxetine Hcl, about 29% as often as the typical Missouri prescriber of it (73). Medicare paid $9.95 per fill, versus $21.77 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
Spironolactone is used to treat high blood pressure and heart failure.
Compared with Missouri prescribers
Dr. Guler wrote 20 prescriptions for Spironolactone, about 33% as often as the typical Missouri prescriber of it (61). Medicare paid $3.36 per fill, versus $7.43 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 Missouri prescribers
Dr. Guler wrote 20 prescriptions for Tamsulosin Hcl, about 19% as often as the typical Missouri prescriber of it (106). Medicare paid $4.94 per fill, versus $12.31 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
This combination medication is used to relieve moderate to severe pain.
Compared with Missouri prescribers
Dr. Guler wrote 18 prescriptions for Hydrocodone-Acetaminophen, about 17% as often as the typical Missouri prescriber of it (109). Medicare paid $8.72 per fill, versus $20.32 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
See also Warning section.
Compared with Missouri prescribers
Dr. Guler wrote 17 prescriptions for Diclofenac Sodium, about half as often as the typical Missouri prescriber of it (40). Medicare paid $23.06 per fill, versus $24.28 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 anxiety.
Compared with Missouri prescribers
Dr. Guler wrote 15 prescriptions for Buspirone Hcl, about 24% as often as the typical Missouri prescriber of it (63). Medicare paid $9.56 per fill, versus $13.90 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 depression.
Compared with Missouri prescribers
Dr. Guler wrote 14 prescriptions for Trazodone Hcl, about 15% as often as the typical Missouri prescriber of it (93). Medicare paid $2.65 per fill, versus $7.90 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
Latanoprost is used to treat high pressure inside the eye due to glaucoma (open angle type) or other eye diseases (such as ocular hypertension).
Compared with Missouri prescribers
Dr. Guler wrote 11 prescriptions for Latanoprost, about 8% as often as the typical Missouri prescriber of it (133). Medicare paid $8.31 per fill, versus $9.96 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 Missouri prescribers
Dr. Guler wrote 11 prescriptions for Potassium Chloride, about 12% as often as the typical Missouri prescriber of it (90). Medicare paid $7.04 per fill, versus $17.91 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. Guler’s prescriptions
What does Dr. Guler prescribe most?
In 2024 Medicare Part D data, Dr. Guler's most prescribed medications were Atorvastatin Calcium (92), Pantoprazole Sodium (77) and Amlodipine Besylate (44).
How does Dr. Guler's prescribing compare with other Missouri prescribers?
Of the 28 medications with a state comparison, Dr. Guler prescribes 3 about as often than the typical Missouri prescriber and 25 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Guler 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 Missouri 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.