Healthcare provider profile · identity verified

Preston Sereg, MD

Family Practice · DES MOINES, IA · NPI 1215428115

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
Atorvastatin CalciumAtorvastatin Calcium23565
Amlodipine BesylateAmlodipine Besylate22460
OmeprazoleOmeprazole20255
LisinoprilLisinopril12440
Rosuvastatin CalciumRosuvastatin Calcium12342
Levothyroxine SodiumLevothyroxine Sodium11842
Losartan PotassiumLosartan Potassium9829
Tramadol HclTramadol Hcl9719
GabapentinGabapentin8219
FurosemideFurosemide6919
SimvastatinSimvastatin6815
Potassium ChloridePotassium Chloride6417
Albuterol Sulfate HfaAlbuterol Sulfate6326
HydrochlorothiazideHydrochlorothiazide6321
Sertraline HclSertraline Hcl6223
Tamsulosin HclTamsulosin Hcl6224
AllopurinolAllopurinol6012
Metoprolol TartrateMetoprolol Tartrate6018
Trazodone HclTrazodone Hcl5818
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid5614
AlprazolamAlprazolam53suppressed
EliquisApixaban5317
Metformin Hcl ErMetformin Hcl5315
Pantoprazole SodiumPantoprazole Sodium5315
Metoprolol SuccinateMetoprolol Succinate5113
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5013
Metformin HclMetformin Hcl4712
Escitalopram OxalateEscitalopram Oxalate4113
Benazepril HclBenazepril Hcl40suppressed
Warfarin SodiumWarfarin Sodium3911
MeloxicamMeloxicam3812
XareltoRivaroxaban38suppressed
CarvedilolCarvedilol37suppressed
SpironolactoneSpironolactone35suppressed
Fluticasone PropionateFluticasone Propionate3211
Montelukast SodiumMontelukast Sodium31suppressed
Alendronate SodiumAlendronate Sodium29suppressed
Fluoxetine HclFluoxetine Hcl29suppressed
AzithromycinAzithromycin2824
Citalopram HbrCitalopram Hydrobromide27suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl26suppressed
Oxybutynin Chloride ErOxybutynin Chloride25suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr24suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl24suppressed
AtenololAtenolol23suppressed
ClopidogrelClopidogrel Bisulfate22suppressed
FinasterideFinasteride22suppressed
PrednisonePrednisone2115
Bupropion XlBupropion Hcl20suppressed
Zolpidem TartrateZolpidem Tartrate20suppressed
GlimepirideGlimepiride19suppressed
LorazepamLorazepam19suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol18suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog18suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide18suppressed
OzempicSemaglutide18suppressed
Ventolin HfaAlbuterol Sulfate18suppressed
Duloxetine HclDuloxetine Hcl17suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1614
Triamcinolone AcetonideTriamcinolone Acetonide16suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1514
Cyclobenzaprine HclCyclobenzaprine Hcl1511
FamotidineFamotidine15suppressed
JardianceEmpagliflozin15suppressed
AmoxicillinAmoxicillin1412
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen14suppressed
PregabalinPregabalin14suppressed
Diclofenac SodiumDiclofenac Sodium13suppressed
Divalproex SodiumDivalproex Sodium13suppressed
Donepezil HclDonepezil Hcl13suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium13suppressed
Hydroxyzine HclHydroxyzine Hcl13suppressed
Pravastatin SodiumPravastatin Sodium13suppressed
CelecoxibCelecoxib12suppressed
CephalexinCephalexin12suppressed
ChlorthalidoneChlorthalidone12suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate12suppressed
Klor-Con M10Potassium Chloride12suppressed
Oxycodone HclOxycodone Hcl12suppressed
Solifenacin SuccinateSolifenacin Succinate12suppressed
ClonidineClonidine11suppressed
DayvigoLemborexant11suppressed
Doxycycline MonohydrateDoxycycline Monohydrate11suppressed
Enalapril MaleateEnalapril Maleate11suppressed
MupirocinMupirocin11suppressed
Omnipod 5 Dexg7g6 Pods (Gen 5)Insulin Pump Cart,auto,bt,g6/711suppressed
Tresiba Flextouch U-200Insulin Degludec11suppressed

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