Healthcare provider profile · identity verified

Dan Eugene Fisher, MD

Internal Medicine · OAK HARBOR, WA · NPI 1548242928

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
Losartan PotassiumLosartan Potassium387122
Atorvastatin CalciumAtorvastatin Calcium31095
Amlodipine BesylateAmlodipine Besylate18567
Metformin HclMetformin Hcl18261
Levothyroxine SodiumLevothyroxine Sodium16861
Oxycodone HclOxycodone Hcl15619
Tamsulosin HclTamsulosin Hcl15041
HydrochlorothiazideHydrochlorothiazide14951
LisinoprilLisinopril14848
Metoprolol SuccinateMetoprolol Succinate14441
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen14328
Rosuvastatin CalciumRosuvastatin Calcium13251
GabapentinGabapentin12142
OmeprazoleOmeprazole10833
Trazodone HclTrazodone Hcl9330
AlprazolamAlprazolam8420
Albuterol Sulfate HfaAlbuterol Sulfate8130
Sertraline HclSertraline Hcl7825
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen7715
SimvastatinSimvastatin7526
Zolpidem TartrateZolpidem Tartrate6921
Cyclobenzaprine HclCyclobenzaprine Hcl6614
FurosemideFurosemide6125
Metoprolol TartrateMetoprolol Tartrate6117
Pantoprazole SodiumPantoprazole Sodium6020
LorazepamLorazepam5812
Alendronate SodiumAlendronate Sodium5717
Methadone HclMethadone Hcl57suppressed
Duloxetine HclDuloxetine Hcl5214
MeloxicamMeloxicam5013
ClonazepamClonazepam49suppressed
Ondansetron HclOndansetron Hcl49suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4812
PrednisonePrednisone4820
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine46suppressed
Escitalopram OxalateEscitalopram Oxalate4618
Ipratropium BromideIpratropium Bromide4514
GlipizideGlipizide4415
FinasterideFinasteride4212
MethocarbamolMethocarbamol41suppressed
ClopidogrelClopidogrel Bisulfate3813
SpironolactoneSpironolactone3714
Tramadol HclTramadol Hcl3711
EliquisApixaban3611
Warfarin SodiumWarfarin Sodium35suppressed
Bupropion XlBupropion Hcl33suppressed
OzempicSemaglutide33suppressed
AllopurinolAllopurinol32suppressed
Montelukast SodiumMontelukast Sodium3212
JardianceEmpagliflozin31suppressed
Morphine Sulfate ErMorphine Sulfate31suppressed
Fluticasone PropionateFluticasone Propionate3012
Hydralazine HclHydralazine Hcl29suppressed
EstradiolEstradiol28suppressed
CarvedilolCarvedilol27suppressed
DiazepamDiazepam27suppressed
Propranolol HclPropranolol Hcl25suppressed
TemazepamTemazepam24suppressed
AtenololAtenolol23suppressed
Fluoxetine HclFluoxetine Hcl23suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide23suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid23suppressed
AcyclovirAcyclovir22suppressed
BaclofenBaclofen22suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol22suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2213
Metformin Hcl ErMetformin Hcl21suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog20suppressed
Ventolin HfaAlbuterol Sulfate20suppressed
Wixela InhubFluticasone Propion/Salmeterol19suppressed
Amitriptyline HclAmitriptyline Hcl18suppressed
Oxybutynin Chloride ErOxybutynin Chloride18suppressed
ChlorthalidoneChlorthalidone17suppressed
Citalopram HbrCitalopram Hydrobromide17suppressed
MupirocinMupirocin17suppressed
CelecoxibCelecoxib16suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate16suppressed
SynthroidLevothyroxine Sodium16suppressed
Trospium ChlorideTrospium Chloride16suppressed
Bupropion HclBupropion Hcl15suppressed
Bupropion Hcl SrBupropion Hcl15suppressed
Buspirone HclBuspirone Hcl15suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn15suppressed
RizatriptanRizatriptan Benzoate15suppressed
Spiriva RespimatTiotropium Bromide15suppressed
LamotrigineLamotrigine14suppressed
Pravastatin SodiumPravastatin Sodium14suppressed
Promethazine HclPromethazine Hcl14suppressed
Oxybutynin ChlorideOxybutynin Chloride13suppressed
Venlafaxine Hcl ErVenlafaxine Hcl13suppressed
Benazepril HclBenazepril Hcl12suppressed
Doxazosin MesylateDoxazosin Mesylate12suppressed
Droplet Pen NeedlePen Needle, Diabetic12suppressed
Glipizide ErGlipizide12suppressed
Ropinirole HclRopinirole Hcl12suppressed
Tizanidine HclTizanidine Hcl12suppressed
TopiramateTopiramate12suppressed
ValacyclovirValacyclovir Hcl12suppressed
EzetimibeEzetimibe11suppressed

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