Healthcare provider profile · identity verified

Wei Song, MD

Family Practice · MASON CITY, IA · NPI 1083879001

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 Calcium626241
Amlodipine BesylateAmlodipine Besylate417142
LisinoprilLisinopril356123
Losartan PotassiumLosartan Potassium27999
Levothyroxine SodiumLevothyroxine Sodium21072
GabapentinGabapentin18462
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen17748
AtenololAtenolol16854
Metformin Hcl ErMetformin Hcl15859
Metoprolol TartrateMetoprolol Tartrate15049
FurosemideFurosemide13952
SimvastatinSimvastatin13742
Tizanidine HclTizanidine Hcl13368
GlipizideGlipizide12535
Terazosin HclTerazosin Hcl12436
Albuterol Sulfate HfaAlbuterol Sulfate12267
Metformin HclMetformin Hcl12143
HydrochlorothiazideHydrochlorothiazide11942
Metoprolol SuccinateMetoprolol Succinate11740
IbuprofenIbuprofen11147
Alendronate SodiumAlendronate Sodium10837
Tamsulosin HclTamsulosin Hcl10848
Fluticasone PropionateFluticasone Propionate10545
AlvescoCiclesonide10443
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide9936
Trazodone HclTrazodone Hcl9235
FamotidineFamotidine8638
OmeprazoleOmeprazole8230
Potassium ChloridePotassium Chloride7630
Hydralazine HclHydralazine Hcl7017
Pantoprazole SodiumPantoprazole Sodium7025
JardianceEmpagliflozin6925
AllopurinolAllopurinol5522
PradaxaDabigatran Etexilate Mesylate5420
CarvedilolCarvedilol5319
MeloxicamMeloxicam5329
LovastatinLovastatin5020
Fluoxetine HclFluoxetine Hcl4917
OzempicSemaglutide4913
Sumatriptan SuccinateSumatriptan Succinate44suppressed
ChlorthalidoneChlorthalidone4314
Sertraline HclSertraline Hcl4320
Humulin NInsulin Nph Human Isophane3916
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen39suppressed
ColchicineColchicine3820
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3811
Morphine Sulfate ErMorphine Sulfate38suppressed
Wixela InhubFluticasone Propion/Salmeterol38suppressed
AcyclovirAcyclovir3614
AmoxicillinAmoxicillin3616
Rosuvastatin CalciumRosuvastatin Calcium3618
ClopidogrelClopidogrel Bisulfate34suppressed
Spiriva RespimatTiotropium Bromide3413
Escitalopram OxalateEscitalopram Oxalate3312
HydrocortisoneHydrocortisone3327
LactuloseLactulose33suppressed
CephalexinCephalexin3131
Glipizide ErGlipizide3114
Isosorbide Mononitrate ErIsosorbide Mononitrate31suppressed
FluocinonideFluocinonide2920
LorazepamLorazepam29suppressed
Azelastine HclAzelastine Hcl2812
Clindamycin PhosphateClindamycin Phosphate27suppressed
Clobetasol PropionateClobetasol Propionate27suppressed
PrednisonePrednisone2625
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml26suppressed
AzithromycinAzithromycin2524
BaclofenBaclofen25suppressed
Combivent RespimatIpratropium/Albuterol Sulfate25suppressed
Humulin RInsulin Regular, Human25suppressed
LatanoprostLatanoprost25suppressed
Ondansetron HclOndansetron Hcl25suppressed
Oxycodone HclOxycodone Hcl24suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2415
NaproxenNaproxen23suppressed
FinasterideFinasteride22suppressed
Citalopram HbrCitalopram Hydrobromide21suppressed
Clonidine HclClonidine Hcl21suppressed
Doxycycline MonohydrateDoxycycline Monohydrate2112
Montelukast SodiumMontelukast Sodium21suppressed
Pravastatin SodiumPravastatin Sodium21suppressed
TopiramateTopiramate21suppressed
Humulin N KwikpenInsulin Nph Human Isophane20suppressed
Venlafaxine Hcl ErVenlafaxine Hcl20suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn19suppressed
Tramadol HclTramadol Hcl19suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic19suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1817
GemfibrozilGemfibrozil17suppressed
SpironolactoneSpironolactone17suppressed
NystatinNystatin16suppressed
Warfarin SodiumWarfarin Sodium16suppressed
Acetaminophen-CodeineAcetaminophen With Codeine15suppressed
DigoxinDigoxin15suppressed
MupirocinMupirocin1512
Oxybutynin ChlorideOxybutynin Chloride15suppressed
Nortriptyline HclNortriptyline Hcl14suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended14suppressed
PrimidonePrimidone14suppressed
Quetiapine FumarateQuetiapine Fumarate14suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic14suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1313
ClonidineClonidine13suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl13suppressed
FenofibrateFenofibrate13suppressed
KetoconazoleKetoconazole12suppressed
Proctofoam-HcHydrocortisone/Pramoxine12suppressed
Chlorhexidine GluconateChlorhexidine Gluconate11suppressed
Duloxetine HclDuloxetine Hcl11suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst11suppressed
Pioglitazone HclPioglitazone 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