SHELDON YGNACIO FREEBERG M.D.
Prescription History 1639344310
Internal Medicine - Interventional Cardiology in Tyler, TX
What does Dr. Freeberg prescribe?
In 2024, Dr. Freeberg wrote 4,435 Medicare prescriptions for 44 medications. The most prescribed was Atorvastatin Calcium, with 391 prescriptions for 130 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. Freeberg prescribes.
Medications 44 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. Freeberg wrote 391 prescriptions for Atorvastatin Calcium, about 2.2 times as often as the typical Texas prescriber of it (180). Medicare paid $10.77 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
Rosuvastatin 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. Freeberg wrote 310 prescriptions for Rosuvastatin Calcium, about 2.5 times as often as the typical Texas prescriber of it (122). Medicare paid $18.10 per fill, versus $13.19 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 Texas prescribers
Dr. Freeberg wrote 309 prescriptions for Carvedilol, about 4.4 times as often as the typical Texas prescriber of it (71). Medicare paid $10.66 per fill, versus $8.22 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. Freeberg wrote 273 prescriptions for Furosemide, about 3.5 times as often as the typical Texas prescriber of it (78). Medicare paid $5.85 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
This medication is a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with Texas prescribers
Dr. Freeberg wrote 268 prescriptions for Metoprolol Succinate, about 2.7 times as often as the typical Texas prescriber of it (101). Medicare paid $16.97 per fill, versus $14.00 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. Freeberg wrote 261 prescriptions for Amlodipine Besylate, about 2 times as often as the typical Texas prescriber of it (133). Medicare paid $6.69 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
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. Freeberg wrote 220 prescriptions for Clopidogrel, about 3.4 times as often as the typical Texas prescriber of it (64). Medicare paid $12.50 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
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. Freeberg wrote 209 prescriptions for Losartan Potassium, about 1.9 times as often as the typical Texas prescriber of it (111). Medicare paid $10.07 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
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Texas prescribers
Dr. Freeberg wrote 194 prescriptions for Metoprolol Tartrate, about 3.3 times as often as the typical Texas prescriber of it (59). Medicare paid $6.40 per fill, versus $6.73 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 Texas prescribers
Dr. Freeberg wrote 162 prescriptions for Lisinopril, about 1.5 times as often as the typical Texas prescriber of it (108). Medicare paid $8.30 per fill, versus $7.09 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. Freeberg wrote 143 prescriptions for Potassium Chloride, about 2.3 times as often as the typical Texas prescriber of it (62). Medicare paid $22.14 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
Spironolactone is used to treat high blood pressure and heart failure.
Compared with Texas prescribers
Dr. Freeberg wrote 123 prescriptions for Spironolactone, about 2.8 times as often as the typical Texas prescriber of it (44). Medicare paid $7.58 per fill, versus $9.03 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 certain types of heart failure.
Compared with Texas prescribers
Dr. Freeberg wrote 119 prescriptions for Entresto, about 2.2 times as often as the typical Texas prescriber of it (53). Medicare paid $1,177.74 per fill, versus $1,062.82 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
Empagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Texas prescribers
Dr. Freeberg wrote 114 prescriptions for Jardiance, about 2.2 times as often as the typical Texas prescriber of it (52). Medicare paid $951.95 per fill, versus $1,092.03 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
Ezetimibe is used along with a low cholesterol/low fat diet and exercise to help lower cholesterol in the blood.
Compared with Texas prescribers
Dr. Freeberg wrote 95 prescriptions for Ezetimibe, about 1.8 times as often as the typical Texas prescriber of it (53). Medicare paid $25.95 per fill, versus $23.89 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 Texas prescribers
Dr. Freeberg wrote 94 prescriptions for Eliquis, about 1.2 times as often as the typical Texas prescriber of it (81). Medicare paid $978.13 per fill, versus $870.72 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
Isosorbide mononitrate is used to prevent chest pain (angina) in patients with a certain heart condition (coronary artery disease).
Compared with Texas prescribers
Dr. Freeberg wrote 93 prescriptions for Isosorbide Mononitrate Er, about 2.2 times as often as the typical Texas prescriber of it (43). Medicare paid $12.70 per fill, versus $11.85 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
Evolocumab is used along with a proper diet to help lower "bad" cholesterol (LDL) in the blood.
Compared with Texas prescribers
Dr. Freeberg wrote 92 prescriptions for Repatha Sureclick, about 2.1 times as often as the typical Texas prescriber of it (45). Medicare paid $801.98 per fill, versus $872.18 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with Texas prescribers
Dr. Freeberg wrote 80 prescriptions for Pantoprazole Sodium, about as often as the typical Texas prescriber of it (81). Medicare paid $8.63 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
Bumetanide 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. Freeberg wrote 72 prescriptions for Bumetanide, about 2.5 times as often as the typical Texas prescriber of it (29). Medicare paid $32.40 per fill, versus $33.57 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
Ramipril is used to treat high blood pressure (hypertension).
Compared with Texas prescribers
Dr. Freeberg wrote 72 prescriptions for Ramipril, about 3 times as often as the typical Texas prescriber of it (24). Medicare paid $8.65 per fill, versus $11.17 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 Texas prescribers
Dr. Freeberg wrote 65 prescriptions for Hydralazine Hcl, about 1.6 times as often as the typical Texas prescriber of it (42). Medicare paid $8.46 per fill, versus $12.44 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 high blood pressure.
Compared with Texas prescribers
Dr. Freeberg wrote 64 prescriptions for Hydrochlorothiazide, about as often as the typical Texas prescriber of it (65). Medicare paid $3.78 per fill, versus $4.50 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 relieve chest pain (angina) in people that have a certain heart condition (coronary artery disease).
Compared with Texas prescribers
Dr. Freeberg wrote 63 prescriptions for Nitroglycerin, about 1.9 times as often as the typical Texas prescriber of it (34). Medicare paid $17.56 per fill, versus $14.32 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
Alirocumab is used by people who have blockage in the heart blood vessels to reduce the risk of heart attack, stroke, and certain types of chest pain that require treatment in a hospital.
Compared with Texas prescribers
Dr. Freeberg wrote 55 prescriptions for Praluent Pen, about 2.1 times as often as the typical Texas prescriber of it (26). Medicare paid $520.40 per fill, versus $728.08 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
Pravastatin 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. Freeberg wrote 48 prescriptions for Pravastatin Sodium, about as often as the typical Texas prescriber of it (52). Medicare paid $12.05 per fill, versus $13.28 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
Ranolazine is used to treat a certain type of chest pain (chronic angina).
Compared with Texas prescribers
Dr. Freeberg wrote 44 prescriptions for Ranolazine Er, about as often as the typical Texas prescriber of it (40). Medicare paid $72.66 per fill, versus $94.91 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
Nifedipine is used alone or in combination with other drugs to treat high blood pressure (hypertension).
Compared with Texas prescribers
Dr. Freeberg wrote 42 prescriptions for Nifedipine Er, about as often as the typical Texas prescriber of it (39). Medicare paid $28.51 per fill, versus $25.74 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
Dapagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Texas prescribers
Dr. Freeberg wrote 41 prescriptions for Farxiga, about 89% as often as the typical Texas prescriber of it (46). Medicare paid $861.88 per fill, versus $985.01 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
Prasugrel is used with aspirin by patients with heart disease (recent heart attack, unstable angina) who undergo a certain heart procedure (angioplasty).
Compared with Texas prescribers
Dr. Freeberg wrote 36 prescriptions for Prasugrel Hcl, about 1.2 times as often as the typical Texas prescriber of it (29). Medicare paid $50.10 per fill, versus $66.75 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
Simvastatin 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. Freeberg wrote 36 prescriptions for Simvastatin, about half as often as the typical Texas prescriber of it (62). Medicare paid $11.96 per fill, versus $8.39 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
Digoxin is used to treat heart failure, usually along with other medications.
Compared with Texas prescribers
Dr. Freeberg wrote 32 prescriptions for Digoxin, about as often as the typical Texas prescriber of it (31). Medicare paid $21.50 per fill, versus $22.47 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
Irbesartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Texas prescribers
Dr. Freeberg wrote 26 prescriptions for Irbesartan, about 86% as often as the typical Texas prescriber of it (30). Medicare paid $25.18 per fill, versus $17.53 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. Freeberg wrote 24 prescriptions for Xarelto, about half as often as the typical Texas prescriber of it (45). Medicare paid $1,184.97 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
Isosorbide dinitrate is used to prevent chest pain (angina) in patients with a certain heart condition (coronary artery disease).
Compared with Texas prescribers
Dr. Freeberg wrote 22 prescriptions for Isosorbide Dinitrate, about as often as the typical Texas prescriber of it (24). Medicare paid $62.99 per fill, versus $43.98 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
Valsartan is used to treat high blood pressure and heart failure.
Compared with Texas prescribers
Dr. Freeberg wrote 21 prescriptions for Valsartan, about half as often as the typical Texas prescriber of it (37). Medicare paid $36.87 per fill, versus $26.07 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
Diltiazem is used to treat high blood pressure (hypertension) and prevent chest pain (angina).
Compared with Texas prescribers
Dr. Freeberg wrote 20 prescriptions for Diltiazem 24hr Er (Cd), about 69% as often as the typical Texas prescriber of it (29). Medicare paid $12.11 per fill, versus $27.10 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
Torsemide 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. Freeberg wrote 18 prescriptions for Torsemide, about half as often as the typical Texas prescriber of it (36). Medicare paid $18.70 per fill, versus $19.52 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 drug is used to treat high blood pressure.
Compared with Texas prescribers
Dr. Freeberg wrote 17 prescriptions for Losartan-Hydrochlorothiazide, about half as often as the typical Texas prescriber of it (38). Medicare paid $14.38 per fill, versus $14.03 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
Metolazone is a "water pill" (diuretic) that increases the amount of urine you make, which causes your body to get rid of excess water.
Compared with Texas prescribers
Dr. Freeberg wrote 16 prescriptions for Metolazone, about 70% as often as the typical Texas prescriber of it (23). Medicare paid $13.41 per fill, versus $21.89 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
Olmesartan is used to treat high blood pressure (hypertension).
Compared with Texas prescribers
Dr. Freeberg wrote 15 prescriptions for Olmesartan Medoxomil, about 35% as often as the typical Texas prescriber of it (43). Medicare paid $12.66 per fill, versus $18.82 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
Diltiazem is used to treat high blood pressure (hypertension) and prevent chest pain (angina).
Compared with Texas prescribers
Dr. Freeberg wrote 14 prescriptions for Dilt-Xr, about 84% as often as the typical Texas prescriber of it (17). Medicare paid $31.53 per fill, versus $31.96 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
Chlorthalidone is used to treat high blood pressure (hypertension).
Compared with Texas prescribers
Dr. Freeberg wrote 11 prescriptions for Chlorthalidone, about 41% as often as the typical Texas prescriber of it (27). Medicare paid $15.95 per fill, versus $17.04 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
Evolocumab is used along with a proper diet to help lower "bad" cholesterol (LDL) in the blood.
Compared with Texas prescribers
Dr. Freeberg wrote 11 prescriptions for Repatha Syringe, about half as often as the typical Texas prescriber of it (19). Medicare paid $640.43 per fill, versus $788.17 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. Freeberg’s prescriptions
What does Dr. Freeberg prescribe most?
In 2024 Medicare Part D data, Dr. Freeberg's most prescribed medications were Atorvastatin Calcium (391), Rosuvastatin Calcium (310) and Carvedilol (309).
How does Dr. Freeberg's prescribing compare with other Texas prescribers?
Of the 44 medications with a state comparison, Dr. Freeberg prescribes 22 more often than the typical Texas prescriber, 12 about as often and 10 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Freeberg 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.
