Healthcare provider profile · identity verified

Benjamin David Herring, M.D.

Family Practice · VANCOUVER, WA · NPI 1770727224

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 Calcium743217
Amlodipine BesylateAmlodipine Besylate350102
LisinoprilLisinopril317100
Losartan PotassiumLosartan Potassium28492
Metformin HclMetformin Hcl25078
Levothyroxine SodiumLevothyroxine Sodium22561
Rosuvastatin CalciumRosuvastatin Calcium22175
SimvastatinSimvastatin21560
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen20836
Metoprolol TartrateMetoprolol Tartrate18860
Trazodone HclTrazodone Hcl17058
Tamsulosin HclTamsulosin Hcl16059
PradaxaDabigatran Etexilate Mesylate14146
GlipizideGlipizide13747
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12738
Albuterol Sulfate HfaAlbuterol Sulfate12662
Oxycodone HclOxycodone Hcl12629
ValsartanValsartan12439
SpironolactoneSpironolactone11039
Pantoprazole SodiumPantoprazole Sodium10937
Potassium ChloridePotassium Chloride10833
Pravastatin SodiumPravastatin Sodium10131
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide9932
GabapentinGabapentin9030
OmeprazoleOmeprazole9029
FurosemideFurosemide8736
AllopurinolAllopurinol8323
Metoprolol SuccinateMetoprolol Succinate8125
Warfarin SodiumWarfarin Sodium8127
Duloxetine HclDuloxetine Hcl7922
Sertraline HclSertraline Hcl7825
Bisoprolol FumarateBisoprolol Fumarate7624
Humulin NInsulin Nph Human Isophane7524
Metformin Hcl ErMetformin Hcl7124
MirtazapineMirtazapine6816
AtenololAtenolol6621
ClopidogrelClopidogrel Bisulfate6423
HydrochlorothiazideHydrochlorothiazide6325
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen6313
Terazosin HclTerazosin Hcl5516
Alendronate SodiumAlendronate Sodium5424
Spiriva RespimatTiotropium Bromide5319
JardianceEmpagliflozin5015
CarvedilolCarvedilol4914
FinasterideFinasteride4816
OzempicSemaglutide39suppressed
NystatinNystatin3812
TorsemideTorsemide3614
ChlorthalidoneChlorthalidone33suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf3331
Wixela InhubFluticasone Propion/Salmeterol3316
MethocarbamolMethocarbamol32suppressed
Ondansetron OdtOndansetron32suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid3211
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml3212
Escitalopram OxalateEscitalopram Oxalate31suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide3012
Fluticasone PropionateFluticasone Propionate2912
Nifedipine ErNifedipine29suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl29suppressed
FamotidineFamotidine2811
Humulin RInsulin Regular, Human28suppressed
PregabalinPregabalin2714
ValacyclovirValacyclovir Hcl27suppressed
MeloxicamMeloxicam26suppressed
Zolpidem TartrateZolpidem Tartrate25suppressed
AlvescoCiclesonide24suppressed
Nortriptyline HclNortriptyline Hcl24suppressed
PrednisonePrednisone2419
Veo Insulin SyringeSyringe And Needle,insulin,1ml24suppressed
Fluoxetine HclFluoxetine Hcl23suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate23suppressed
Tramadol HclTramadol Hcl23suppressed
HydrocortisoneHydrocortisone2213
Insulin Glargine-YfgnInsulin Glargine-Yfgn2211
EliquisApixaban21suppressed
Ipratropium BromideIpratropium Bromide21suppressed
Morphine SulfateMorphine Sulfate21suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2113
Bupropion XlBupropion Hcl20suppressed
Donepezil HclDonepezil Hcl20suppressed
Venlafaxine Hcl ErVenlafaxine Hcl19suppressed
Azelastine HclAzelastine Hcl18suppressed
LovastatinLovastatin18suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic18suppressed
Humulin N KwikpenInsulin Nph Human Isophane16suppressed
Mometasone FuroateMometasone Furoate16suppressed
Quetiapine FumarateQuetiapine Fumarate16suppressed
Verapamil ErVerapamil Hcl16suppressed
Buspirone HclBuspirone Hcl15suppressed
FluconazoleFluconazole15suppressed
KetoconazoleKetoconazole15suppressed
NitroglycerinNitroglycerin15suppressed
Pioglitazone HclPioglitazone Hcl15suppressed
EstradiolEstradiol14suppressed
LorazepamLorazepam14suppressed
Dabigatran EtexilateDabigatran Etexilate Mesylate1313
DigoxinDigoxin13suppressed
EzetimibeEzetimibe13suppressed
Morphine Sulfate ErMorphine Sulfate13suppressed
Olmesartan MedoxomilOlmesartan Medoxomil13suppressed
Acetaminophen-CodeineAcetaminophen With Codeine12suppressed
Bupropion Hcl SrBupropion Hcl12suppressed
Citalopram HbrCitalopram Hydrobromide12suppressed
Humulin 70-30Insulin Nph Hum/Reg Insulin Hm12suppressed
Naloxone HclNaloxone Hcl1211
Sumatriptan SuccinateSumatriptan Succinate12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1111
Memantine HclMemantine Hcl11suppressed
Montelukast SodiumMontelukast Sodium11suppressed

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