Healthcare provider profile · identity verified

Mark E Oberlies, MD

Internal Medicine · OMAHA, NE · NPI 1194883298

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
Rosuvastatin CalciumRosuvastatin Calcium35494
Levothyroxine SodiumLevothyroxine Sodium23852
Amlodipine BesylateAmlodipine Besylate16048
Losartan PotassiumLosartan Potassium14535
OmeprazoleOmeprazole13336
EliquisApixaban13019
Atorvastatin CalciumAtorvastatin Calcium12533
Tamsulosin HclTamsulosin Hcl11623
AlprazolamAlprazolam10520
Trazodone HclTrazodone Hcl9822
Potassium ChloridePotassium Chloride9317
Metoprolol SuccinateMetoprolol Succinate8726
Zolpidem TartrateZolpidem Tartrate8617
LisinoprilLisinopril8423
MethylprednisoloneMethylprednisolone8251
GabapentinGabapentin7221
Metformin HclMetformin Hcl7119
TorsemideTorsemide7013
Escitalopram OxalateEscitalopram Oxalate6815
FurosemideFurosemide6820
Sertraline HclSertraline Hcl6617
Tramadol HclTramadol Hcl6414
Pravastatin SodiumPravastatin Sodium6312
Pantoprazole SodiumPantoprazole Sodium5413
SpironolactoneSpironolactone5315
Doxycycline HyclateDoxycycline Hyclate5140
HydrochlorothiazideHydrochlorothiazide5013
Pramipexole DihydrochloridePramipexole Di-Hcl49suppressed
EzetimibeEzetimibe4716
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid45suppressed
MeloxicamMeloxicam38suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl3512
RamiprilRamipril35suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3423
GlimepirideGlimepiride34suppressed
Memantine HclMemantine Hcl33suppressed
ClonazepamClonazepam32suppressed
LorazepamLorazepam31suppressed
Duloxetine HclDuloxetine Hcl30suppressed
AzithromycinAzithromycin2924
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen29suppressed
Metoprolol TartrateMetoprolol Tartrate29suppressed
MounjaroTirzepatide29suppressed
MirtazapineMirtazapine28suppressed
Montelukast SodiumMontelukast Sodium28suppressed
PrednisonePrednisone2824
Donepezil HclDonepezil Hcl27suppressed
Fluoxetine HclFluoxetine Hcl27suppressed
LivaloPitavastatin Calcium26suppressed
AllopurinolAllopurinol25suppressed
Oxybutynin ChlorideOxybutynin Chloride25suppressed
Oxycodone HclOxycodone Hcl25suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2519
SynthroidLevothyroxine Sodium25suppressed
Acetaminophen-CodeineAcetaminophen With Codeine24suppressed
GlipizideGlipizide23suppressed
Ranolazine ErRanolazine23suppressed
FentanylFentanyl22suppressed
Fluticasone PropionateFluticasone Propionate22suppressed
SimvastatinSimvastatin22suppressed
Albuterol Sulfate HfaAlbuterol Sulfate21suppressed
Glipizide ErGlipizide21suppressed
Venlafaxine Hcl ErVenlafaxine Hcl20suppressed
Ondansetron OdtOndansetron1911
Bupropion XlBupropion Hcl18suppressed
Citalopram HbrCitalopram Hydrobromide18suppressed
Diltiazem 24hr ErDiltiazem Hcl18suppressed
NexletolBempedoic Acid18suppressed
Benazepril HclBenazepril Hcl17suppressed
Bupropion Hcl SrBupropion Hcl17suppressed
DiazepamDiazepam17suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium17suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen17suppressed
TelmisartanTelmisartan17suppressed
ValacyclovirValacyclovir Hcl16suppressed
ClopidogrelClopidogrel Bisulfate15suppressed
FenofibrateFenofibrate15suppressed
FinasterideFinasteride15suppressed
Np ThyroidThyroid,pork15suppressed
OzempicSemaglutide15suppressed
CarvedilolCarvedilol14suppressed
FenofibrateFenofibrate Nanocrystallized14suppressed
Olmesartan-Amlodipine-HctzOlmesartan/Amlodipin/Hcthiazid14suppressed
AmoxicillinAmoxicillin13suppressed
Armour ThyroidThyroid,pork13suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine13suppressed
EszopicloneEszopiclone13suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog13suppressed
PremarinEstrogens, Conjugated13suppressed
Solifenacin SuccinateSolifenacin Succinate13suppressed
Azelastine HclAzelastine Hcl12suppressed
CelecoxibCelecoxib12suppressed
CrestorRosuvastatin Calcium12suppressed
Doxazosin MesylateDoxazosin Mesylate12suppressed
Novolog Mix 70-30 FlexpenInsulin Aspart Prot/Insuln Asp12suppressed
Olmesartan MedoxomilOlmesartan Medoxomil12suppressed
Venlafaxine HclVenlafaxine Hcl12suppressed
Carbidopa-LevodopaCarbidopa/Levodopa11suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate11suppressed
Quetiapine FumarateQuetiapine Fumarate11suppressed
Tramadol Hcl ErTramadol Hcl11suppressed

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