PORTIA MPONYANA NLEYA MD
Prescription History 1124602321
Internal Medicine in Chapel Hill, NC

Active since May 12, 2021PECOS EnrolledAccepts Medicare Assignment
100 EASTOWNE DR, CHAPEL HILL, NC 27514(984) 974-4462 Get Directions

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 23, 2026, May 12, 2021 (2 updates tracked since 2021).

Medicare Part D Prescription History

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for PORTIA MPONYANA NLEYA MD, an active Internal Medicine specialist practicing in Chapel Hill, NC. Our medical registry currently tracks 5 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 91 documented patient claims. Among these therapy options, the most frequently utilized medication is Amlodipine Besylate, which accounts for 31 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.

5
Medications
91
Total Claims
165
30-Day Fills
Amlodipine Besylate
Most Prescribed · 31 claims
View details
5 medications · 2023 Medicare Part D
Medicare Part D medications prescribed by PORTIA MPONYANA NLEYA 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 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 31 Medicare prescriptions for Amlodipine Besylate, about a quarter of the volume of the typical North Carolina prescriber of this medication (146). Medicare paid an average of $7.66 per fill, versus $7.33 statewide.

How often this provider prescribes it

This provider
31
NC average
146.0

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
$7.66
NC average
$7.33

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

48
30-Day Fills
standardized to 30-day supplies
1,424
Days of Medication
total across all patients in 2023

About Atorvastatin Calcium: 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. Show more ▾

It belongs to a group of drugs known as statins. It works by reducing the amount of cholesterol made by the liver. Lowering bad cholesterol and triglycerides and raising good cholesterol decreases the risk of heart disease and helps prevent strokes and heart attacks. In addition to eating a proper diet (such as a low-cholesterol/low-fat diet), other lifestyle changes that may help this medication work better include exercising, losing weight if overweight, and stopping smoking. Consult your doctor for more details. A pyrrole and heptanoic acid derivative, HYDROXYMETHYLGLUTARYL-COA REDUCTASE INHIBITOR (statin), and ANTICHOLESTEREMIC AGENT that is used to reduce serum levels of LDL-CHOLESTEROL; APOLIPOPROTEIN B; and TRIGLYCERIDES. It is used to increase serum levels of HDL-CHOLESTEROL in the treatment of HYPERLIPIDEMIAS, and for the prevention of CARDIOVASCULAR DISEASES in patients with multiple risk factors.

In 2023, this provider wrote 24 Medicare prescriptions for Atorvastatin Calcium, about 14% of the volume of the typical North Carolina prescriber of this medication (170). Medicare paid an average of $17.36 per fill, versus $11.92 statewide.

How often this provider prescribes it

This provider
24
NC average
170.0

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
$17.36
NC average
$11.92

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

52
30-Day Fills
standardized to 30-day supplies
1,542
Days of Medication
total across all patients in 2023

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

Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. This product contains two medications: lisinopril and hydrochlorothiazide. Lisinopril is an ACE inhibitor and works by relaxing blood vessels so that blood can flow more easily. Hydrochlorothiazide is a water pill (diuretic) that causes you to make more urine, which helps your body get rid of extra salt and water. This product is used when one drug is not controlling your blood pressure. Your doctor may direct you to take the individual medications first, and then switch you to this combination product. Do not continue taking the individual medications (lisinopril and/or hydrochlorothiazide) after you start this medication.

In 2023, this provider wrote 13 Medicare prescriptions for Lisinopril-Hydrochlorothiazide, about a third of the volume of the typical North Carolina prescriber of this medication (44). Medicare paid an average of $30.23 per fill, versus $8.49 statewide.

How often this provider prescribes it

This provider
13
NC average
44.0

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
$30.23
NC average
$8.49

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

19
30-Day Fills
standardized to 30-day supplies
552
Days of Medication
total across all patients in 2023

About Levothyroxine Sodium: Levothyroxine is used to treat an underactive thyroid (hypothyroidism). Show more ▾

It replaces or provides more thyroid hormone, which is normally produced by the thyroid gland. Low thyroid hormone levels can occur naturally or when the thyroid gland is injured by radiation/medications or removed by surgery. Having enough thyroid hormone is important for maintaining normal mental and physical activity. In children, having enough thyroid hormone is important for normal mental and physical development. This medication is also used to treat other types of thyroid disorders (such as thyroid cancer). This medication should not be used to treat infertility unless it is caused by low thyroid hormone levels. The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyrosines (MONOIODOTYROSINE) and the coupling of iodotyrosines (DIIODOTYROSINE) in the THYROGLOBULIN. Thyroxine is released from thyroglobulin by proteolysis and secreted into the blood. Thyroxine is peripherally deiodinated to form TRIIODOTHYRONINE which exerts a broad spectrum of stimulatory effects on cell metabolism.

In 2023, this provider wrote 12 Medicare prescriptions for Levothyroxine Sodium, about 9% of the volume of the typical North Carolina prescriber of this medication (141). Medicare paid an average of $20.79 per fill, versus $16.06 statewide.

How often this provider prescribes it

This provider
12
NC average
141.0

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
$20.79
NC average
$16.06

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

25
30-Day Fills
standardized to 30-day supplies
750
Days of Medication
total across all patients in 2023

About Gabapentin: Gabapentin is used with other medications to prevent and control seizures. Show more ▾

It is also used to relieve nerve pain following shingles (a painful rash due to herpes zoster infection) in adults. Gabapentin is known as an anticonvulsant or antiepileptic drug. A cyclohexane-gamma-aminobutyric acid derivative that is used for the treatment of PARTIAL SEIZURES; NEURALGIA; and RESTLESS LEGS SYNDROME.

In 2023, this provider wrote 11 Medicare prescriptions for Gabapentin, about 11% of the volume of the typical North Carolina prescriber of this medication (101). Medicare paid an average of $37.91 per fill, versus $21.91 statewide.

How often this provider prescribes it

This provider
11
NC average
101.0

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
$37.91
NC average
$21.91

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

21
30-Day Fills
standardized to 30-day supplies
622
Days of Medication
total across all patients in 2023
No medications match the current filters.
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 PORTIA MPONYANA NLEYA 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 Internal Medicine prescribing approach at this Chapel Hill, 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.