DONALD P. BERLING MD
Prescription History 1710927421
Internal Medicine - Nephrology in Charlotte, NC

Active since June 08, 2006PECOS EnrolledAccepts Medicare Assignment
3158 FREEDOM DR STE 3101, CHARLOTTE, NC 28208(704) 348-2992(704) 334-3061 Get Directions

NPPES record last updated: April 2, 2025. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Apr 2, 2025, Jul 5, 2023, Jul 21, 2020 (3 updates tracked since 2020).

Medicare Part D Prescription History

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for DONALD P. BERLING MD, an active Nephrology specialist practicing in Charlotte, NC. Our medical registry currently tracks 8 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 122 documented patient claims. Among these therapy options, the most frequently utilized medication is Hydralazine Hcl, which accounts for 26 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.

8
Medications
122
Total Claims
220
30-Day Fills
Hydralazine Hcl
Most Prescribed · 26 claims
View details
8 medications · 2023 Medicare Part D
Medicare Part D medications prescribed by DONALD P. BERLING MD in 2023, with prescription volumes, average cost per fill, and NC state comparisons
Medication Prescriptions (2023)Rx (2023) Avg Cost per FillCost / Fill Vs. Other NC PrescribersVs. NC Avg

About Hydralazine Hcl: Hydralazine 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. Hydralazine is called a vasodilator. It works by relaxing blood vessels so blood can flow through the body more easily.

In 2023, this provider wrote 26 Medicare prescriptions for Hydralazine Hcl, about 65% of the volume of the typical North Carolina prescriber of this medication (40). Medicare paid an average of $13.18 per fill, versus $20.92 statewide.

How often this provider prescribes it

This provider
26
NC average
40.0

This provider prescribes this medication less often than the average NC prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$13.18
NC average
$20.92

This provider's average cost per fill is below the NC average for this medication.

32
30-Day Fills
standardized to 30-day supplies
954
Days of Medication
total across all patients in 2023

About Torsemide: Torsemide 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. Torsemide is a water pill (diuretic) that causes you to make more urine. This helps your body get rid of extra water and salt. A pyridine and sulfonamide derivative that acts as a sodium-potassium chloride symporter inhibitor (loop diuretic). It is used for the treatment of EDEMA associated with CONGESTIVE HEART FAILURE; CHRONIC RENAL INSUFFICIENCY; and LIVER DISEASES. It is also used for the management of HYPERTENSION.

In 2023, this provider wrote 22 Medicare prescriptions for Torsemide, about 61% of the volume of the typical North Carolina prescriber of this medication (36). Medicare paid an average of $14.97 per fill, versus $26.34 statewide.

How often this provider prescribes it

This provider
22
NC average
36.0

This provider prescribes this medication less often than the average NC prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$14.97
NC average
$26.34

This provider's average cost per fill is below the NC average for this medication.

34
30-Day Fills
standardized to 30-day supplies
1,020
Days of Medication
total across all patients in 2023

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 15 Medicare prescriptions for Furosemide, about 18% of the volume of the typical North Carolina prescriber of this medication (84). Medicare paid an average of $4.45 per fill, versus $6.11 statewide.

How often this provider prescribes it

This provider
15
NC average
84.0

This provider prescribes this medication less often than the average NC prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$4.45
NC average
$6.11

This provider's average cost per fill is below the NC average for this medication.

23.7
30-Day Fills
standardized to 30-day supplies
656
Days of Medication
total across all patients in 2023

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 14 Medicare prescriptions for Calcitriol, about a third of the volume of the typical North Carolina prescriber of this medication (37). Medicare paid an average of $9.80 per fill, versus $24.44 statewide.

How often this provider prescribes it

This provider
14
NC average
37.0

This provider prescribes this medication less often than the average NC prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$9.80
NC average
$24.44

This provider's average cost per fill is below the NC average for this medication.

15.8
30-Day Fills
standardized to 30-day supplies
474
Days of Medication
total across all patients in 2023

About Hydrochlorothiazide: This medication is used to treat high blood pressure. Show more ▾

Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Hydrochlorothiazide belongs to a class of drugs known as diuretics/water pills. It works by causing you to make more urine. This helps your body get rid of extra salt and water. This medication also reduces extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, or kidney disease. This can lessen symptoms such as shortness of breath or swelling in your ankles or feet. A thiazide diuretic often considered the prototypical member of this class. It reduces the reabsorption of electrolytes from the renal tubules. This results in increased excretion of water and electrolytes, including sodium, potassium, chloride, and magnesium. It is used in the treatment of several disorders including edema, hypertension, diabetes insipidus, and hypoparathyroidism.

In 2023, this provider wrote 12 Medicare prescriptions for Hydrochlorothiazide, about 15% of the volume of the typical North Carolina prescriber of this medication (82). Medicare paid an average of $5.29 per fill, versus $4.90 statewide.

How often this provider prescribes it

This provider
12
NC average
82.0

This provider prescribes this medication less often than the average NC prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$5.29
NC average
$4.90

Gross Part D cost per fill; not the patient's out-of-pocket price.

36
30-Day Fills
standardized to 30-day supplies
1,080
Days of Medication
total across all patients in 2023

About Clonidine Hcl: This medication is used alone or with other medications to treat high blood pressure (hypertension). Show more ▾

Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Clonidine belongs to a class of drugs (central alpha agonists) that act in the brain to lower blood pressure. It works by relaxing blood vessels so blood can flow more easily.

In 2023, this provider wrote 11 Medicare prescriptions for Clonidine Hcl, about a third of the volume of the typical North Carolina prescriber of this medication (28). Medicare paid an average of $9.40 per fill, versus $9.99 statewide.

How often this provider prescribes it

This provider
11
NC average
28.0

This provider prescribes this medication less often than the average NC prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$9.40
NC average
$9.99

This provider's average cost per fill is below the NC average for this medication.

33
30-Day Fills
standardized to 30-day supplies
990
Days of Medication
total across all patients in 2023

About Clopidogrel: 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). Show more ▾

It is also used with aspirin to treat new/worsening chest pain (new heart attack, unstable angina) and to keep blood vessels open and prevent blood clots after certain procedures (such as cardiac stent). Clopidogrel works by blocking platelets from sticking together and prevents them from forming harmful clots. It is an antiplatelet drug. It helps keep blood flowing smoothly in your body. A ticlopidine analog and platelet purinergic P2Y receptor antagonist that inhibits adenosine diphosphate-mediated PLATELET AGGREGATION. It is used to prevent THROMBOEMBOLISM in patients with ARTERIAL OCCLUSIVE DISEASES; MYOCARDIAL INFARCTION; STROKE; or ATRIAL FIBRILLATION.

In 2023, this provider wrote 11 Medicare prescriptions for Clopidogrel, about 19% of the volume of the typical North Carolina prescriber of this medication (57). Medicare paid an average of $7.45 per fill, versus $15.68 statewide.

How often this provider prescribes it

This provider
11
NC average
57.0

This provider prescribes this medication less often than the average NC prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$7.45
NC average
$15.68

This provider's average cost per fill is below the NC average for this medication.

15
30-Day Fills
standardized to 30-day supplies
450
Days of Medication
total across all patients in 2023

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 11 Medicare prescriptions for Losartan Potassium, about 11% of the volume of the typical North Carolina prescriber of this medication (102). Medicare paid an average of $9.40 per fill, versus $10.52 statewide.

How often this provider prescribes it

This provider
11
NC average
102.0

This provider prescribes this medication less often than the average NC prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$9.40
NC average
$10.52

This provider's average cost per fill is below the NC average for this medication.

30.7
30-Day Fills
standardized to 30-day supplies
920
Days of Medication
total across all patients in 2023
No medications match the current filters.
= the 5 medications this provider prescribes most.▲ More than typical≈ Typical▼ Less than typical= prescription volume vs the average NC prescriber of the same medication; volume reflects practice size as well as clinical preference.Green cost= below the NC average cost per fill.

About this data. The prescription history for DONALD P. BERLING MD 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 Charlotte, NC 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 NC prescribers of the same medication. Always confirm current medications and costs directly with the provider and your plan.