Healthcare provider profile · identity verified

Sonja Irene Olson, MD

Family Practice · SEATTLE, WA · NPI 1629296751

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 Calcium20553
GabapentinGabapentin11421
Albuterol Sulfate HfaAlbuterol Sulfate9824
LisinoprilLisinopril8623
Losartan PotassiumLosartan Potassium8622
Levothyroxine SodiumLevothyroxine Sodium8225
OmeprazoleOmeprazole7819
Bupropion XlBupropion Hcl7215
Fluticasone PropionateFluticasone Propionate7025
Amlodipine BesylateAmlodipine Besylate6820
Duloxetine HclDuloxetine Hcl67suppressed
FamotidineFamotidine6315
Metformin HclMetformin Hcl5512
Ondansetron OdtOndansetron4614
Trazodone HclTrazodone Hcl45suppressed
SpironolactoneSpironolactone43suppressed
Tamsulosin HclTamsulosin Hcl40suppressed
ClonazepamClonazepam39suppressed
Metoprolol SuccinateMetoprolol Succinate37suppressed
Hydroxyzine PamoateHydroxyzine Pamoate36suppressed
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl35suppressed
JardianceEmpagliflozin3513
Metformin Hcl ErMetformin Hcl35suppressed
EzetimibeEzetimibe34suppressed
MethocarbamolMethocarbamol34suppressed
HydrochlorothiazideHydrochlorothiazide3312
Pantoprazole SodiumPantoprazole Sodium33suppressed
NaproxenNaproxen32suppressed
Fluoxetine HclFluoxetine Hcl29suppressed
Zolpidem TartrateZolpidem Tartrate29suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen27suppressed
BiktarvyBictegrav/Emtricit/Tenofov Ala26suppressed
Oxycodone HclOxycodone Hcl26suppressed
Diclofenac SodiumDiclofenac Sodium2413
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide24suppressed
Sertraline HclSertraline Hcl24suppressed
AripiprazoleAripiprazole23suppressed
FurosemideFurosemide23suppressed
KetoconazoleKetoconazole23suppressed
Naltrexone HclNaltrexone Hcl22suppressed
Triamcinolone AcetonideTriamcinolone Acetonide22suppressed
DescovyEmtricitabine/Tenofov Alafenam21suppressed
LidocaineLidocaine21suppressed
PrednisonePrednisone2111
AllopurinolAllopurinol20suppressed
Montelukast SodiumMontelukast Sodium20suppressed
AtenololAtenolol19suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine19suppressed
Hydroxyzine HclHydroxyzine Hcl19suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide19suppressed
Nortriptyline HclNortriptyline Hcl18suppressed
Clobetasol PropionateClobetasol Propionate17suppressed
OzempicSemaglutide17suppressed
Quetiapine FumarateQuetiapine Fumarate16suppressed
Tramadol HclTramadol Hcl16suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter16suppressed
ValacyclovirValacyclovir Hcl16suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl15suppressed
FinasterideFinasteride15suppressed
IbuprofenIbuprofen15suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf1511
SulfasalazineSulfasalazine15suppressed
Terbinafine HclTerbinafine Hcl15suppressed
Citalopram HbrCitalopram Hydrobromide14suppressed
GlipizideGlipizide14suppressed
Leucovorin CalciumLeucovorin Calcium14suppressed
MetronidazoleMetronidazole14suppressed
Potassium ChloridePotassium Chloride14suppressed
TrulicityDulaglutide14suppressed
Armour ThyroidThyroid,pork13suppressed
Doxycycline HyclateDoxycycline Hyclate13suppressed
Escitalopram OxalateEscitalopram Oxalate13suppressed
FluconazoleFluconazole13suppressed
PregabalinPregabalin13suppressed
Ammonium LactateAmmonium Lactate12suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog12suppressed
BreynaBudesonide/Formoterol Fumarate12suppressed
BumetanideBumetanide12suppressed
Bupropion HclBupropion Hcl12suppressed
FarxigaDapagliflozin Propanediol12suppressed
Incruse ElliptaUmeclidinium Bromide12suppressed
JulucaDolutegravir/Rilpivirine12suppressed
Nevirapine ErNevirapine12suppressed
Oxymorphone HclOxymorphone Hcl12suppressed
SimvastatinSimvastatin12suppressed
Tizanidine HclTizanidine Hcl12suppressed
Alendronate SodiumAlendronate Sodium11suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate11suppressed
CelecoxibCelecoxib11suppressed
Diclofenac PotassiumDiclofenac Potassium11suppressed
FentanylFentanyl11suppressed
LactuloseLactulose11suppressed
LyricaPregabalin11suppressed
XifaxanRifaximin11suppressed

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