Healthcare provider profile · identity verified

Colene I Andersen, MD

Internal Medicine · LAKE OSWEGO, OR · NPI 1710932421

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
Levothyroxine SodiumLevothyroxine Sodium692165
Atorvastatin CalciumAtorvastatin Calcium645182
Losartan PotassiumLosartan Potassium525146
Rosuvastatin CalciumRosuvastatin Calcium502142
Amlodipine BesylateAmlodipine Besylate431120
OmeprazoleOmeprazole359114
LisinoprilLisinopril33385
Trazodone HclTrazodone Hcl27077
HydrochlorothiazideHydrochlorothiazide24773
Metoprolol SuccinateMetoprolol Succinate21157
GabapentinGabapentin19957
Escitalopram OxalateEscitalopram Oxalate18143
EliquisApixaban16736
Metformin Hcl ErMetformin Hcl15950
Oxycodone HclOxycodone Hcl14924
FurosemideFurosemide14544
Potassium ChloridePotassium Chloride12340
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11924
Duloxetine HclDuloxetine Hcl10926
Sertraline HclSertraline Hcl10730
AllopurinolAllopurinol10532
Pantoprazole SodiumPantoprazole Sodium9630
Bupropion XlBupropion Hcl8822
Alendronate SodiumAlendronate Sodium8425
Zolpidem TartrateZolpidem Tartrate8221
EzetimibeEzetimibe8024
AlprazolamAlprazolam7923
Metformin HclMetformin Hcl7624
OzempicSemaglutide7517
SynthroidLevothyroxine Sodium7419
Pravastatin SodiumPravastatin Sodium7020
EstradiolEstradiol6930
Metoprolol TartrateMetoprolol Tartrate6518
Tamsulosin HclTamsulosin Hcl6323
Albuterol Sulfate HfaAlbuterol Sulfate6238
Fluticasone PropionateFluticasone Propionate5920
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid5914
CephalexinCephalexin5826
LorazepamLorazepam5821
CarvedilolCarvedilol5516
Fluoxetine HclFluoxetine Hcl5416
Montelukast SodiumMontelukast Sodium5417
MirtazapineMirtazapine5316
LovastatinLovastatin5213
Propranolol HclPropranolol Hcl5016
SpironolactoneSpironolactone4913
PrednisonePrednisone4732
Citalopram HbrCitalopram Hydrobromide4614
ClopidogrelClopidogrel Bisulfate4512
Lantus SolostarInsulin Glargine,hum.Rec.Anlog45suppressed
SimvastatinSimvastatin4316
FinasterideFinasteride4113
Tizanidine HclTizanidine Hcl4120
Buspirone HclBuspirone Hcl4015
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide40suppressed
Memantine HclMemantine Hcl40suppressed
ValacyclovirValacyclovir Hcl3913
AtenololAtenolol3813
ValsartanValsartan37suppressed
IrbesartanIrbesartan3513
Morphine Sulfate ErMorphine Sulfate33suppressed
Olmesartan MedoxomilOlmesartan Medoxomil33suppressed
Sumatriptan SuccinateSumatriptan Succinate3313
Donepezil HclDonepezil Hcl32suppressed
JanuviaSitagliptin Phosphate32suppressed
FamotidineFamotidine3113
Venlafaxine Hcl ErVenlafaxine Hcl30suppressed
PregabalinPregabalin2912
Tramadol HclTramadol Hcl2713
TrulicityDulaglutide27suppressed
ChlorthalidoneChlorthalidone26suppressed
Ondansetron OdtOndansetron2612
Paroxetine HclParoxetine Hcl26suppressed
Warfarin SodiumWarfarin Sodium2611
Diltiazem 24hr Er (Cd)Diltiazem Hcl25suppressed
MounjaroTirzepatide25suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl25suppressed
AcyclovirAcyclovir2411
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide24suppressed
RamiprilRamipril24suppressed
LamotrigineLamotrigine23suppressed
TorsemideTorsemide23suppressed
XareltoRivaroxaban23suppressed
Bupropion Hcl SrBupropion Hcl21suppressed
Humalog Kwikpen U-100Insulin Lispro21suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate21suppressed
BaclofenBaclofen20suppressed
Benazepril HclBenazepril Hcl20suppressed
Ropinirole HclRopinirole Hcl20suppressed
Insulin Degludec Pen (U-100)Insulin Degludec19suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1912
Verapamil ErVerapamil Hcl19suppressed
Dexlansoprazole DrDexlansoprazole18suppressed
GlipizideGlipizide18suppressed
CelecoxibCelecoxib17suppressed
LansoprazoleLansoprazole17suppressed
Enalapril MaleateEnalapril Maleate16suppressed
MeloxicamMeloxicam16suppressed
TelmisartanTelmisartan16suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl15suppressed
Droplet Pen NeedlePen Needle, Diabetic15suppressed
FluconazoleFluconazole1511
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog14suppressed
Divalproex SodiumDivalproex Sodium14suppressed
FenofibrateFenofibrate14suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol14suppressed
Humulin 70-30Insulin Nph Hum/Reg Insulin Hm14suppressed
Klor-Con M20Potassium Chloride14suppressed
PremarinEstrogens, Conjugated14suppressed
Propranolol Hcl ErPropranolol Hcl14suppressed
Amitriptyline HclAmitriptyline Hcl13suppressed
ClonazepamClonazepam13suppressed
Glipizide ErGlipizide13suppressed
JardianceEmpagliflozin13suppressed
Quetiapine FumarateQuetiapine Fumarate13suppressed
Tolterodine TartrateTolterodine Tartrate13suppressed
Venlafaxine HclVenlafaxine Hcl13suppressed
Diclofenac SodiumDiclofenac Sodium12suppressed
Hydralazine HclHydralazine Hcl12suppressed
Hydroxyzine HclHydroxyzine Hcl12suppressed
Memantine Hcl ErMemantine Hcl12suppressed
NystatinNystatin12suppressed
Doxycycline HyclateDoxycycline Hyclate11suppressed
NitroglycerinNitroglycerin1111

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