JAMES B WILLIAMS M.D.
Prescription History 1982673521
Internal Medicine - Cardiovascular Disease in Pensacola, FL
What does Dr. Williams prescribe?
In 2024, Dr. Williams wrote 5,909 Medicare prescriptions for 48 medications. The most prescribed was Rosuvastatin Calcium, with 599 prescriptions for 184 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. Williams prescribes.
Medications 48 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 Florida prescribers.
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 Florida prescribers
Dr. Williams wrote 599 prescriptions for Rosuvastatin Calcium, about 4 times as often as the typical Florida prescriber of it (151). Medicare paid $10.78 per fill, versus $12.14 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
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 Florida prescribers
Dr. Williams wrote 461 prescriptions for Atorvastatin Calcium, about 2.3 times as often as the typical Florida prescriber of it (197). Medicare paid $10.65 per fill, versus $9.21 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 Florida prescribers
Dr. Williams wrote 444 prescriptions for Eliquis, about 5.3 times as often as the typical Florida prescriber of it (84). Medicare paid $1,054.59 per fill, versus $915.40 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 Florida prescribers
Dr. Williams wrote 382 prescriptions for Metoprolol Succinate, about 3.7 times as often as the typical Florida prescriber of it (105). Medicare paid $12.72 per fill, versus $13.25 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
Ezetimibe is used along with a low cholesterol/low fat diet and exercise to help lower cholesterol in the blood.
Compared with Florida prescribers
Dr. Williams wrote 371 prescriptions for Ezetimibe, about 6.4 times as often as the typical Florida prescriber of it (58). Medicare paid $17.99 per fill, versus $21.41 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 Florida prescribers
Dr. Williams wrote 334 prescriptions for Amlodipine Besylate, about 2.2 times as often as the typical Florida prescriber of it (150). Medicare paid $5.82 per fill, versus $5.82 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with Florida prescribers
Dr. Williams wrote 297 prescriptions for Carvedilol, about 4.5 times as often as the typical Florida prescriber of it (65). Medicare paid $6.42 per fill, versus $8.57 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
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 Florida prescribers
Dr. Williams wrote 225 prescriptions for Clopidogrel, about 3.5 times as often as the typical Florida prescriber of it (64). Medicare paid $14.55 per fill, versus $11.00 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Florida prescribers
Dr. Williams wrote 204 prescriptions for Losartan Potassium, about 1.5 times as often as the typical Florida prescriber of it (133). Medicare paid $11.14 per fill, versus $8.87 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 treat high blood pressure.
Compared with Florida prescribers
Dr. Williams wrote 193 prescriptions for Hydrochlorothiazide, about 2.6 times as often as the typical Florida prescriber of it (75). Medicare paid $7.22 per fill, versus $4.16 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 product is used to treat certain types of heart failure.
Compared with Florida prescribers
Dr. Williams wrote 186 prescriptions for Entresto, about 3.8 times as often as the typical Florida prescriber of it (49). Medicare paid $1,018.93 per fill, versus $1,082.46 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 Florida prescribers
Dr. Williams wrote 171 prescriptions for Lisinopril, about 1.4 times as often as the typical Florida prescriber of it (119). Medicare paid $4.52 per fill, versus $6.26 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 Florida prescribers
Dr. Williams wrote 163 prescriptions for Valsartan, about 4.2 times as often as the typical Florida prescriber of it (39). Medicare paid $24.85 per fill, versus $25.25 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
Diltiazem is used to treat high blood pressure (hypertension) and prevent chest pain (angina).
Compared with Florida prescribers
Dr. Williams wrote 147 prescriptions for Diltiazem 24hr Er (Cd), about 5 times as often as the typical Florida prescriber of it (30). Medicare paid $21.16 per fill, versus $28.80 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
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 Florida prescribers
Dr. Williams wrote 126 prescriptions for Furosemide, about 1.8 times as often as the typical Florida prescriber of it (69). Medicare paid $5.14 per fill, versus $4.78 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 Florida prescribers
Dr. Williams wrote 121 prescriptions for Xarelto, about 2.7 times as often as the typical Florida prescriber of it (45). Medicare paid $916.72 per fill, versus $951.72 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
Ranolazine is used to treat a certain type of chest pain (chronic angina).
Compared with Florida prescribers
Dr. Williams wrote 120 prescriptions for Ranolazine Er, about 3.9 times as often as the typical Florida prescriber of it (31). Medicare paid $101.72 per fill, versus $97.21 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 Florida prescribers
Dr. Williams wrote 107 prescriptions for Jardiance, about 2.2 times as often as the typical Florida prescriber of it (49). Medicare paid $917.23 per fill, versus $1,101.06 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
Bisoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Florida prescribers
Dr. Williams wrote 105 prescriptions for Bisoprolol Fumarate, about 3.9 times as often as the typical Florida prescriber of it (27). Medicare paid $22.47 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
Evolocumab is used along with a proper diet to help lower "bad" cholesterol (LDL) in the blood.
Compared with Florida prescribers
Dr. Williams wrote 91 prescriptions for Repatha Sureclick, about 1.9 times as often as the typical Florida prescriber of it (48). Medicare paid $940.58 per fill, versus $918.57 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
Spironolactone is used to treat high blood pressure and heart failure.
Compared with Florida prescribers
Dr. Williams wrote 80 prescriptions for Spironolactone, about 2 times as often as the typical Florida prescriber of it (41). Medicare paid $9.21 per fill, versus $8.82 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
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Florida prescribers
Dr. Williams wrote 78 prescriptions for Metoprolol Tartrate, about as often as the typical Florida prescriber of it (71). Medicare paid $4.26 per fill, versus $6.69 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 Florida prescribers
Dr. Williams wrote 73 prescriptions for Nitroglycerin, about 2.4 times as often as the typical Florida prescriber of it (31). Medicare paid $8.71 per fill, versus $14.45 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 treat high blood pressure (hypertension).
Compared with Florida prescribers
Dr. Williams wrote 64 prescriptions for Clonidine Hcl, about 2.1 times as often as the typical Florida prescriber of it (31). Medicare paid $3.52 per fill, versus $5.87 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 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 Florida prescribers
Dr. Williams wrote 54 prescriptions for Warfarin Sodium, about 1.7 times as often as the typical Florida prescriber of it (32). Medicare paid $4.97 per fill, versus $8.64 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
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 Florida prescribers
Dr. Williams wrote 49 prescriptions for Pravastatin Sodium, about as often as the typical Florida prescriber of it (48). Medicare paid $22.83 per fill, versus $12.61 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
This medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with Florida prescribers
Dr. Williams wrote 48 prescriptions for Potassium Chloride, about 89% as often as the typical Florida prescriber of it (54). Medicare paid $9.55 per fill, versus $19.72 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
This drug is used to treat high blood pressure.
Compared with Florida prescribers
Dr. Williams wrote 47 prescriptions for Losartan-Hydrochlorothiazide, about 1.2 times as often as the typical Florida prescriber of it (38). Medicare paid $12.66 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
This medication is used to treat certain types of serious (possibly fatal) irregular heartbeat (such as sustained ventricular tachycardia and paroxysmal supraventricular tachycardia).
Compared with Florida prescribers
Dr. Williams wrote 46 prescriptions for Flecainide Acetate, about as often as the typical Florida prescriber of it (41). Medicare paid $57.95 per fill, versus $41.39 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
Isosorbide mononitrate is used to prevent chest pain (angina) in patients with a certain heart condition (coronary artery disease).
Compared with Florida prescribers
Dr. Williams wrote 44 prescriptions for Isosorbide Mononitrate Er, about 1.2 times as often as the typical Florida prescriber of it (36). Medicare paid $12.43 per fill, versus $13.11 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
This medication is used to treat certain types of serious (possibly fatal) irregular heartbeat (such as recurrent ventricular fibrillation/tachycardia).
Compared with Florida prescribers
Dr. Williams wrote 43 prescriptions for Amiodarone Hcl, about 1.2 times as often as the typical Florida prescriber of it (35). Medicare paid $38.95 per fill, versus $27.52 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
Hydralazine is used with or without other medications to treat high blood pressure.
Compared with Florida prescribers
Dr. Williams wrote 41 prescriptions for Hydralazine Hcl, about as often as the typical Florida prescriber of it (39). Medicare paid $16.67 per fill, versus $14.74 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
Atenolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Florida prescribers
Dr. Williams wrote 37 prescriptions for Atenolol, about as often as the typical Florida prescriber of it (39). Medicare paid $9.40 per fill, versus $6.65 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
Nifedipine is used alone or in combination with other drugs to treat high blood pressure (hypertension).
Compared with Florida prescribers
Dr. Williams wrote 37 prescriptions for Nifedipine Er, about as often as the typical Florida prescriber of it (38). Medicare paid $16.34 per fill, versus $26.04 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
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 Florida prescribers
Dr. Williams wrote 36 prescriptions for Bumetanide, about as often as the typical Florida prescriber of it (32). Medicare paid $21.67 per fill, versus $30.03 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 medication is used to prevent chest pain (angina) in people with a certain heart condition (coronary artery disease).
Compared with Florida prescribers
Dr. Williams wrote 36 prescriptions for Nitroglycerin Patch, about 1.4 times as often as the typical Florida prescriber of it (25). Medicare paid $34.91 per fill, versus $40.56 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
Chlorthalidone is used to treat high blood pressure (hypertension).
Compared with Florida prescribers
Dr. Williams wrote 34 prescriptions for Chlorthalidone, about 1.2 times as often as the typical Florida prescriber of it (28). Medicare paid $15.20 per fill, versus $15.27 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 treat high blood pressure (hypertension).
Compared with Florida prescribers
Dr. Williams wrote 31 prescriptions for Clonidine, about 1.5 times as often as the typical Florida prescriber of it (21). Medicare paid $102.94 per fill, versus $122.61 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
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 Florida prescribers
Dr. Williams wrote 24 prescriptions for Simvastatin, about 33% as often as the typical Florida prescriber of it (72). Medicare paid $7.18 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
Dapagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Florida prescribers
Dr. Williams wrote 22 prescriptions for Farxiga, about half as often as the typical Florida prescriber of it (44). Medicare paid $1,245.64 per fill, versus $985.63 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
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 Florida prescribers
Dr. Williams wrote 21 prescriptions for Famotidine, about 32% as often as the typical Florida prescriber of it (66). Medicare paid $7.16 per fill, versus $12.91 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
Diltiazem is used to treat high blood pressure (hypertension) and prevent chest pain (angina).
Compared with Florida prescribers
Dr. Williams wrote 20 prescriptions for Cartia Xt, about 1.4 times as often as the typical Florida prescriber of it (15). Medicare paid $26.49 per fill, versus $26.57 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
This medication is used to treat a serious (possibly life-threatening) type of fast heartbeat called sustained ventricular tachycardia.
Compared with Florida prescribers
Dr. Williams wrote 19 prescriptions for Sotalol, about half as often as the typical Florida prescriber of it (35). Medicare paid $23.04 per fill, versus $22.71 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 drug is used to treat high blood pressure.
Compared with Florida prescribers
Dr. Williams wrote 19 prescriptions for Triamterene-Hydrochlorothiazid, about 72% as often as the typical Florida prescriber of it (27). Medicare paid $11.78 per fill, versus $9.21 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
Icosapent ethyl is used along with certain other cholesterol medications ("statins" such as atorvastatin, simvastatin) to reduce the risk of heart attack, stroke, and certain types of heart problems that require treatment in a hospital.
Compared with Florida prescribers
Dr. Williams wrote 19 prescriptions for Vascepa, about 65% as often as the typical Florida prescriber of it (29). Medicare paid $657.51 per fill, versus $541.26 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 treat high blood pressure (hypertension).
Compared with Florida prescribers
Dr. Williams wrote 15 prescriptions for Bisoprolol-Hydrochlorothiazide, about 68% as often as the typical Florida prescriber of it (22). Medicare paid $40.60 per fill, versus $26.85 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
Ticagrelor is used along with low-dose aspirin to help prevent heart attack and stroke in people with a history of heart disease, stroke, or at increased risk for heart disease or stroke (for example, due to diabetes, history of transient ischemic attack-TIA).
Compared with Florida prescribers
Dr. Williams wrote 13 prescriptions for Brilinta, about half as often as the typical Florida prescriber of it (26). Medicare paid $1,042.88 per fill, versus $663.59 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 (hypertension).
Compared with Florida prescribers
Dr. Williams wrote 12 prescriptions for Telmisartan, about half as often as the typical Florida prescriber of it (28). Medicare paid $10.40 per fill, versus $27.26 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. Williams’s prescriptions
What does Dr. Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams's most prescribed medications were Rosuvastatin Calcium (599), Atorvastatin Calcium (461) and Eliquis (444).
How does Dr. Williams's prescribing compare with other Florida prescribers?
Of the 48 medications with a state comparison, Dr. Williams prescribes 27 more often than the typical Florida prescriber, 12 about as often and 9 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Williams 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 Florida 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.
