Healthcare provider profile · identity verified

Maria D Fan, MD

Internal Medicine · SEATTLE, WA · NPI 1497020580

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 Calcium25169
Levothyroxine SodiumLevothyroxine Sodium15947
Amlodipine BesylateAmlodipine Besylate15344
Rosuvastatin CalciumRosuvastatin Calcium14137
Losartan PotassiumLosartan Potassium12339
GabapentinGabapentin9135
Metformin Hcl ErMetformin Hcl8828
Duloxetine HclDuloxetine Hcl7926
Trazodone HclTrazodone Hcl7520
Alendronate SodiumAlendronate Sodium7120
LisinoprilLisinopril6819
Metoprolol SuccinateMetoprolol Succinate6721
JardianceEmpagliflozin6419
OmeprazoleOmeprazole6115
Bupropion XlBupropion Hcl6019
FamotidineFamotidine5424
MirtazapineMirtazapine5213
Sertraline HclSertraline Hcl5019
Isosorbide Mononitrate ErIsosorbide Mononitrate48suppressed
Citalopram HbrCitalopram Hydrobromide4712
Escitalopram OxalateEscitalopram Oxalate4516
HydrochlorothiazideHydrochlorothiazide4112
CarvedilolCarvedilol4012
OzempicSemaglutide40suppressed
Pantoprazole SodiumPantoprazole Sodium3812
Albuterol Sulfate HfaAlbuterol Sulfate3714
Memantine HclMemantine Hcl37suppressed
IrbesartanIrbesartan3411
EliquisApixaban33suppressed
Metformin HclMetformin Hcl33suppressed
Venlafaxine Hcl ErVenlafaxine Hcl33suppressed
AllopurinolAllopurinol32suppressed
SimvastatinSimvastatin30suppressed
EzetimibeEzetimibe28suppressed
Donepezil HclDonepezil Hcl25suppressed
Fluoxetine HclFluoxetine Hcl24suppressed
MounjaroTirzepatide23suppressed
Pravastatin SodiumPravastatin Sodium23suppressed
Triamcinolone AcetonideTriamcinolone Acetonide22suppressed
Fluticasone PropionateFluticasone Propionate21suppressed
FurosemideFurosemide21suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog20suppressed
Azelastine HclAzelastine Hcl17suppressed
PrednisonePrednisone17suppressed
Tamsulosin HclTamsulosin Hcl17suppressed
Metoprolol TartrateMetoprolol Tartrate16suppressed
RisperidoneRisperidone16suppressed
SymbicortBudesonide/Formoterol Fumarate16suppressed
Acetaminophen-CodeineAcetaminophen With Codeine15suppressed
ChlorthalidoneChlorthalidone15suppressed
LovastatinLovastatin15suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter15suppressed
Montelukast SodiumMontelukast Sodium14suppressed
ValacyclovirValacyclovir Hcl14suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1313
Memantine Hcl ErMemantine Hcl13suppressed
PaxlovidNirmatrelvir/Ritonavir1313
TrulicityDulaglutide13suppressed
XareltoRivaroxaban13suppressed
AcyclovirAcyclovir12suppressed
BaclofenBaclofen12suppressed
SpironolactoneSpironolactone12suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl12suppressed
Zolpidem TartrateZolpidem Tartrate12suppressed
Amitriptyline HclAmitriptyline Hcl11suppressed
Dexlansoprazole DrDexlansoprazole11suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11suppressed
LinzessLinaclotide11suppressed
Pioglitazone HclPioglitazone Hcl11suppressed
Propranolol HclPropranolol 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