B. RENTZ DUNN JR. M.D.
Prescription History 1154313708
Internal Medicine - Nephrology in Nashville, TN
Medicare Part D Prescription History
Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for B. RENTZ DUNN JR. M.D., an active Nephrology specialist practicing in Nashville, TN. Our medical registry currently tracks 12 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 485 documented patient claims. Among these therapy options, the most frequently utilized medication is Calcitriol, which accounts for 129 claims alone. Use the table below to sort by claims, cost, or utilization compared with the state average; select any medication for its full profile.
| Medication | Prescriptions (2023)Rx (2023) | Avg Cost per FillCost / Fill | Vs. Other TN PrescribersVs. TN Avg |
|---|---|---|---|
| Calcitriol | 129 | $14.67▼ below TN avg | ▲ More than typical |
About Calcitriol: Calcitriol is a man-made active form of vitamin D. Show more ▾ Most people get enough vitamin D from exposure to the sun and from fortified food products (such as dairy products, vitamins). Vitamin D helps control parathyroid hormone and the levels of certain minerals (such as calcium, phosphorus) that are needed for building and keeping strong bones. Before regular vitamin D can be used by the body, it needs to be changed to the active form by the liver and kidneys. Calcitriol is used in patients with kidney disease who can't make enough of the active form of Vitamin D. This medication is also used to prevent and treat certain types of calcium/phosphorus/parathyroid problems that can happen with long-term kidney dialysis or hypoparathyroidism. Calcitriol is usually used along with specific diet recommendations and sometimes other medications. The physiologically active form of vitamin D. It is formed primarily in the kidney by enzymatic hydroxylation of 25-hydroxycholecalciferol (CALCIFEDIOL). Its production is stimulated by low blood calcium levels and parathyroid hormone. Calcitriol increases intestinal absorption of calcium and phosphorus, and in concert with parathyroid hormone increases bone resorption. In 2023, this provider wrote 129 Medicare prescriptions for Calcitriol, about 2.9 times the volume of the typical Tennessee prescriber of this medication (44). Medicare paid an average of $14.67 per fill, versus $20.00 statewide. How often this provider prescribes it This provider prescribes this medication more often than the average TN prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the TN average for this medication. 302.6 30-Day Fills standardized to 30-day supplies 9,038 Days of Medication total across all patients in 2023 | |||
| Allopurinol | 117 | $10.50▼ below TN avg | ▲ More than typical |
About Allopurinol: Allopurinol is used to treat gout and certain types of kidney stones. Show more ▾ It is also used to prevent increased uric acid levels in patients receiving cancer chemotherapy. These patients can have increased uric acid levels due to release of uric acid from the dying cancer cells. Allopurinol works by reducing the amount of uric acid made by the body. Increased uric acid levels can cause gout and kidney problems. A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms. In 2023, this provider wrote 117 Medicare prescriptions for Allopurinol, about 2.1 times the volume of the typical Tennessee prescriber of this medication (55). Medicare paid an average of $10.50 per fill, versus $15.31 statewide. How often this provider prescribes it This provider prescribes this medication more often than the average TN prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the TN average for this medication. 318.6 30-Day Fills standardized to 30-day supplies 9,542 Days of Medication total across all patients in 2023 | |||
| Sodium ChlorideSodium Chloride 0.45 % | 60 | $71.67▼ below TN avg | ▲ More than typical |
About Sodium Chloride: This product is used to treat dryness inside the nose (nasal passages). Show more ▾ It helps add moisture inside the nose to dissolve and soften thick or crusty mucus. In babies and young children with stuffy noses who cannot blow their noses, using this product helps to make the mucus easier to remove with a nasal bulb syringe. This helps relieve stuffiness and makes breathing easier. This product contains a purified gentle salt solution (also called saline or sodium chloride solution). It does not contain any medication. Hypertonic sodium chloride solution. A solution having an osmotic pressure greater than that of physiologic salt solution (0.9 g NaCl in 100 ml purified water). In 2023, this provider wrote 60 Medicare prescriptions for Sodium Chloride, about 3.8 times the volume of the typical Tennessee prescriber of this medication (16). Medicare paid an average of $71.67 per fill, versus $124.59 statewide. How often this provider prescribes it This provider prescribes this medication more often than the average TN prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the TN average for this medication. 60 30-Day Fills standardized to 30-day supplies 361 Days of Medication total across all patients in 2023 | |||
| Lisinopril | 26 | $9.48 | ▼ Less than typical |
About Lisinopril: Lisinopril is used to treat high blood pressure. Show more ▾ Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. It is also used to treat heart failure and to improve survival after a heart attack. Lisinopril belongs to a class of drugs known as ACE inhibitors. It works by relaxing blood vessels so blood can flow more easily. One of the ANGIOTENSIN-CONVERTING ENZYME INHIBITORS (ACE inhibitors), orally active, that has been used in the treatment of hypertension and congestive heart failure. In 2023, this provider wrote 26 Medicare prescriptions for Lisinopril, about a quarter of the volume of the typical Tennessee prescriber of this medication (124). Medicare paid an average of $9.48 per fill, versus $6.78 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TN prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 66 30-Day Fills standardized to 30-day supplies 1,966 Days of Medication total across all patients in 2023 | |||
| Tamsulosin Hcl | 25 | $10.05▼ below TN avg | ▼ Less than typical |
About Tamsulosin Hcl: Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH). Show more ▾ It does not shrink the prostate, but it works by relaxing the muscles in the prostate and the bladder. This helps to relieve symptoms of BPH such as difficulty in beginning the flow of urine, weak stream, and the need to urinate often or urgently (including during the middle of the night). Tamsulosin belongs to a class of drugs known as alpha blockers. Do not use this medication to treat high blood pressure. In 2023, this provider wrote 25 Medicare prescriptions for Tamsulosin Hcl, about a third of the volume of the typical Tennessee prescriber of this medication (86). Medicare paid an average of $10.05 per fill, versus $18.15 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TN prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the TN average for this medication. 53 30-Day Fills standardized to 30-day supplies 1,590 Days of Medication total across all patients in 2023 | |||
| Losartan Potassium | 22 | $16.19 | ▼ Less than typical |
About Losartan Potassium: Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes. Show more ▾ It is also used to lower the risk of strokes in patients with high blood pressure and an enlarged heart. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Losartan belongs to a class of drugs called angiotensin receptor blockers (ARBs). It works by relaxing blood vessels so that blood can flow more easily. An antagonist of ANGIOTENSIN TYPE 1 RECEPTOR with antihypertensive activity due to the reduced pressor effect of ANGIOTENSIN II. In 2023, this provider wrote 22 Medicare prescriptions for Losartan Potassium, about a quarter of the volume of the typical Tennessee prescriber of this medication (108). Medicare paid an average of $16.19 per fill, versus $11.78 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TN prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 64 30-Day Fills standardized to 30-day supplies 1,920 Days of Medication total across all patients in 2023 | |||
| Pentoxifylline | 21 | $34.93▼ below TN avg | ≈ Typical |
About Pentoxifylline: This medication is used to improve the symptoms of a certain blood flow problem in the legs/arms (intermittent claudication due to occlusive artery disease). Show more ▾ Pentoxifylline can decrease the muscle aching/pain/cramps during exercise, including walking, that occur with intermittent claudication. Pentoxifylline belongs to a class of drugs known as hemorrheologic agents. It works by helping blood flow more easily through narrowed arteries. This increases the amount of oxygen that can be delivered by the blood when the muscles need more (such as during exercise) thereby increasing walking distance and duration. A METHYLXANTHINE derivative that inhibits phosphodiesterase and affects blood rheology. It improves blood flow by increasing erythrocyte and leukocyte flexibility. It also inhibits platelet aggregation. Pentoxifylline modulates immunologic activity by stimulating cytokine production. In 2023, this provider wrote 21 Medicare prescriptions for Pentoxifylline, about the same volume as the typical Tennessee prescriber of this medication (23). Medicare paid an average of $34.93 per fill, versus $37.19 statewide. How often this provider prescribes it This provider's prescribing volume for this medication is in line with the average TN prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the TN average for this medication. 35 30-Day Fills standardized to 30-day supplies 974 Days of Medication total across all patients in 2023 | |||
| Amlodipine Besylate | 20 | $3.20▼ below TN avg | ▼ Less than typical |
About Amlodipine Besylate: Amlodipine is used with or without other medications to treat high blood pressure. Show more ▾ Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Amlodipine belongs to a class of drugs known as calcium channel blockers. It works by relaxing blood vessels so blood can flow more easily. Amlodipine is also used to prevent certain types of chest pain (angina). It may help to increase your ability to exercise and decrease the frequency of angina attacks. It should not be used to treat attacks of chest pain when they occur. Use other medications (such as sublingual nitroglycerin) to relieve attacks of chest pain as directed by your doctor. A long-acting dihydropyridine calcium channel blocker. It is effective in the treatment of ANGINA PECTORIS and HYPERTENSION. In 2023, this provider wrote 20 Medicare prescriptions for Amlodipine Besylate, about 14% of the volume of the typical Tennessee prescriber of this medication (146). Medicare paid an average of $3.20 per fill, versus $6.52 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TN prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the TN average for this medication. 45 30-Day Fills standardized to 30-day supplies 1,350 Days of Medication total across all patients in 2023 | |||
| Furosemide | 19 | $12.39 | ▼ Less than typical |
About Furosemide: Furosemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease. Show more ▾ This can lessen symptoms such as shortness of breath and swelling in your arms, legs, and abdomen. This drug is also used to treat high blood pressure. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Furosemide is a water pill (diuretic) that causes you to make more urine. This helps your body get rid of extra water and salt. A benzoic-sulfonamide-furan. It is a diuretic with fast onset and short duration that is used for EDEMA and chronic RENAL INSUFFICIENCY. In 2023, this provider wrote 19 Medicare prescriptions for Furosemide, about 19% of the volume of the typical Tennessee prescriber of this medication (99). Medicare paid an average of $12.39 per fill, versus $5.99 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TN prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 46.5 30-Day Fills standardized to 30-day supplies 1,396 Days of Medication total across all patients in 2023 | |||
| Potassium Chloride | 17 | $22.12▼ below TN avg | ▼ Less than typical |
About Potassium Chloride: This medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood. Show more ▾ A normal level of potassium in the blood is important. Potassium helps your cells, kidneys, heart, muscles, and nerves work properly. Most people get enough potassium by eating a well-balanced diet. Some conditions that can lower your body's potassium level include severe prolonged diarrhea and vomiting, hormone problems such as hyperaldosteronism, or treatment with water pills/diuretics. A white crystal or crystalline powder used in BUFFERS; FERTILIZERS; and EXPLOSIVES. It can be used to replenish ELECTROLYTES and restore WATER-ELECTROLYTE BALANCE in treating HYPOKALEMIA. In 2023, this provider wrote 17 Medicare prescriptions for Potassium Chloride, about a quarter of the volume of the typical Tennessee prescriber of this medication (82). Medicare paid an average of $22.12 per fill, versus $26.21 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TN prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the TN average for this medication. 51 30-Day Fills standardized to 30-day supplies 1,530 Days of Medication total across all patients in 2023 | |||
| Sevelamer Carbonate | 16 | $57.79▼ below TN avg | ▼ Less than typical |
About Sevelamer Carbonate: Sevelamer is used to lower high blood phosphorus (phosphate) levels in patients who are on dialysis due to severe kidney disease. Show more ▾ Dialysis removes some phosphate from your blood, but it is difficult to remove enough to keep your phosphate levels balanced. Decreasing blood phosphate levels can help keep your bones strong, prevent unsafe buildup of minerals in your body, and possibly decrease the risk of heart disease and strokes that can result from high phosphate levels. Sevelamer works by holding onto phosphate from the diet so that it can pass out of your body. A polymeric amine that binds phosphate and is used to treat HYPERPHOSPHATEMIA in patients with kidney disease. In 2023, this provider wrote 16 Medicare prescriptions for Sevelamer Carbonate, about a third of the volume of the typical Tennessee prescriber of this medication (48). Medicare paid an average of $57.79 per fill, versus $301.87 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TN prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the TN average for this medication. 18 30-Day Fills standardized to 30-day supplies 540 Days of Medication total across all patients in 2023 | |||
| Metoprolol Succinate | 13 | $27.56 | ▼ Less than typical |
About Metoprolol Succinate: This medication is a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure. Show more ▾ Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. This drug works by blocking the action of certain natural chemicals in your body (such as epinephrine) that affect the heart and blood vessels. This lowers heart rate, blood pressure, and strain on the heart. A selective adrenergic beta-1 blocking agent that is commonly used to treat ANGINA PECTORIS; HYPERTENSION; and CARDIAC ARRHYTHMIAS. In 2023, this provider wrote 13 Medicare prescriptions for Metoprolol Succinate, about 15% of the volume of the typical Tennessee prescriber of this medication (88). Medicare paid an average of $27.56 per fill, versus $19.20 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TN prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 39 30-Day Fills standardized to 30-day supplies 1,170 Days of Medication total across all patients in 2023 | |||
About this data. The prescription history for B. RENTZ DUNN JR. M.D. is compiled from the Centers for Medicare & Medicaid Services (CMS) Medicare Part D Prescriber Public Use File for calendar year 2023, the most recent federal release. Figures cover prescriptions filled for Medicare Part D beneficiaries only; prescriptions under private insurance, Medicaid, or self-pay plans are not included. Because prescribing decisions are generally consistent across coverage types, this record offers a useful view of the overall Nephrology prescribing approach at this Nashville, TN practice.
Reading the costs. Drug costs are gross amounts paid to pharmacies under Part D, including both plan and beneficiary payments. They are not the price a patient pays at the pharmacy counter. Medications with fewer than 11 claims are excluded from the federal source data, and state comparisons use the average volume among TN prescribers of the same medication. Always confirm current medications and costs directly with the provider and your plan.
