Healthcare provider profile · identity verified

Barbara A Bergdolt, MD

Internal Medicine · CHAPEL HILL, NC · NPI 1558459719

Profile state: partd only Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

We did not find matching Open Payments records for this doctor in 2025.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

There is no payer-company set available for this comparison.

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

BrandGenericClaimsBeneficiaries
Amlodipine BesylateAmlodipine Besylate34897
Atorvastatin CalciumAtorvastatin Calcium33991
Losartan PotassiumLosartan Potassium23564
Rosuvastatin CalciumRosuvastatin Calcium18957
GabapentinGabapentin18349
Levothyroxine SodiumLevothyroxine Sodium18249
Metformin Hcl ErMetformin Hcl14438
Metoprolol SuccinateMetoprolol Succinate14038
LisinoprilLisinopril12835
Pravastatin SodiumPravastatin Sodium12233
Duloxetine HclDuloxetine Hcl11838
EliquisApixaban10322
OmeprazoleOmeprazole10231
HydrochlorothiazideHydrochlorothiazide9533
Pantoprazole SodiumPantoprazole Sodium9426
Fluticasone PropionateFluticasone Propionate8232
Trazodone HclTrazodone Hcl7430
Escitalopram OxalateEscitalopram Oxalate6820
CelecoxibCelecoxib6717
OzempicSemaglutide66suppressed
ValsartanValsartan6618
JardianceEmpagliflozin6512
Zolpidem TartrateZolpidem Tartrate6418
FurosemideFurosemide6224
Tamsulosin HclTamsulosin Hcl5918
Bupropion XlBupropion Hcl5717
MyrbetriqMirabegron55suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5413
Sertraline HclSertraline Hcl5319
Ibandronate SodiumIbandronate Sodium5016
SynthroidLevothyroxine Sodium4913
ChlorthalidoneChlorthalidone4613
Albuterol Sulfate HfaAlbuterol Sulfate4525
TrulicityDulaglutide45suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide44suppressed
FinasterideFinasteride4313
Advair HfaFluticasone Propion/Salmeterol4212
CarvedilolCarvedilol4212
FamotidineFamotidine4117
LorazepamLorazepam40suppressed
MeloxicamMeloxicam4017
ValacyclovirValacyclovir Hcl3718
PregabalinPregabalin36suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog35suppressed
PrednisonePrednisone3515
XareltoRivaroxaban35suppressed
Metformin HclMetformin Hcl34suppressed
EstradiolEstradiol3316
Montelukast SodiumMontelukast Sodium31suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen30suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium29suppressed
Azelastine HclAzelastine Hcl2812
Memantine HclMemantine Hcl28suppressed
SimvastatinSimvastatin28suppressed
Tramadol HclTramadol Hcl28suppressed
Armour ThyroidThyroid,pork26suppressed
AtenololAtenolol26suppressed
JanuviaSitagliptin Phosphate26suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2622
MirtazapineMirtazapine25suppressed
AzithromycinAzithromycin2411
Doxycycline HyclateDoxycycline Hyclate2418
ClonazepamClonazepam23suppressed
Potassium ChloridePotassium Chloride23suppressed
Diclofenac SodiumDiclofenac Sodium22suppressed
Pioglitazone HclPioglitazone Hcl22suppressed
CephalexinCephalexin21suppressed
EntrestoSacubitril/Valsartan21suppressed
Metoprolol TartrateMetoprolol Tartrate21suppressed
SpironolactoneSpironolactone21suppressed
SymbicortBudesonide/Formoterol Fumarate21suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide21suppressed
Buspirone HclBuspirone Hcl20suppressed
DiazepamDiazepam20suppressed
Bupropion Hcl SrBupropion Hcl19suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride19suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1815
EzetimibeEzetimibe18suppressed
Fluoxetine HclFluoxetine Hcl17suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen17suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate17suppressed
PremarinEstrogens, Conjugated17suppressed
PaxlovidNirmatrelvir/Ritonavir1616
Alendronate SodiumAlendronate Sodium15suppressed
AllopurinolAllopurinol15suppressed
ColchicineColchicine15suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters15suppressed
Oxycodone HclOxycodone Hcl15suppressed
TelmisartanTelmisartan15suppressed
Ciprofloxacin HclCiprofloxacin Hcl1414
Citalopram HbrCitalopram Hydrobromide14suppressed
GlimepirideGlimepiride14suppressed
HydrocortisoneHydrocortisone14suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic14suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter14suppressed
Venlafaxine Hcl ErVenlafaxine Hcl14suppressed
Morphine Sulfate ErMorphine Sulfate13suppressed
MounjaroTirzepatide13suppressed
Promethazine HclPromethazine Hcl13suppressed
Amlodipine-ValsartanAmlodipine Besylate/Valsartan12suppressed
ClopidogrelClopidogrel Bisulfate12suppressed
ConcertaMethylphenidate Hcl12suppressed
ErythromycinErythromycin Base12suppressed
FenofibrateFenofibrate Nanocrystallized12suppressed
FentanylFentanyl12suppressed
MethimazoleMethimazole12suppressed
Morphine SulfateMorphine Sulfate12suppressed
AcyclovirAcyclovir11suppressed
LamotrigineLamotrigine11suppressed
Propranolol HclPropranolol Hcl11suppressed
RybelsusSemaglutide11suppressed
Solifenacin SuccinateSolifenacin Succinate11suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
CMS Open Payments — General Payments 2025 2026-06-30 Original source
Medicare Part D Prescribers by Provider and Drug 2024 2026-05-06 Original source
NPPES Data Dissemination V2 current / reference data 2026-08-10 Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error