Healthcare provider profile · identity verified

Robert A Margraf, M.D.

Family Practice · SPOKANE, WA · NPI 1740218445

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 Calcium347114
LisinoprilLisinopril20968
Levothyroxine SodiumLevothyroxine Sodium18858
Losartan PotassiumLosartan Potassium17665
HydrochlorothiazideHydrochlorothiazide14447
OmeprazoleOmeprazole13949
Amlodipine BesylateAmlodipine Besylate13548
Tamsulosin HclTamsulosin Hcl10835
Metoprolol SuccinateMetoprolol Succinate9832
Metformin HclMetformin Hcl9734
Trazodone HclTrazodone Hcl9341
SimvastatinSimvastatin8324
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen7319
GabapentinGabapentin6621
Rosuvastatin CalciumRosuvastatin Calcium6620
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6520
Pantoprazole SodiumPantoprazole Sodium5019
AllopurinolAllopurinol4814
Metformin Hcl ErMetformin Hcl4617
Potassium ChloridePotassium Chloride4617
Citalopram HbrCitalopram Hydrobromide4317
Venlafaxine Hcl ErVenlafaxine Hcl42suppressed
Sertraline HclSertraline Hcl4013
AtenololAtenolol33suppressed
Alendronate SodiumAlendronate Sodium32suppressed
Albuterol Sulfate HfaAlbuterol Sulfate3121
Metoprolol TartrateMetoprolol Tartrate29suppressed
AlvescoCiclesonide2814
Fluoxetine HclFluoxetine Hcl2811
Fluticasone PropionateFluticasone Propionate26suppressed
Bupropion XlBupropion Hcl25suppressed
FamotidineFamotidine2512
GlipizideGlipizide25suppressed
Humalog Kwikpen U-100Insulin Lispro25suppressed
SpironolactoneSpironolactone25suppressed
Ziprasidone HclZiprasidone Hcl24suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn23suppressed
LorazepamLorazepam23suppressed
Escitalopram OxalateEscitalopram Oxalate22suppressed
Sumatriptan SuccinateSumatriptan Succinate21suppressed
Glipizide ErGlipizide20suppressed
MeloxicamMeloxicam20suppressed
PrednisonePrednisone20suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide19suppressed
RisperidoneRisperidone19suppressed
Duloxetine HclDuloxetine Hcl1811
JardianceEmpagliflozin18suppressed
LovastatinLovastatin18suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended18suppressed
Pravastatin SodiumPravastatin Sodium18suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic18suppressed
Bupropion Hcl SrBupropion Hcl17suppressed
Buspirone HclBuspirone Hcl17suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl17suppressed
Terazosin HclTerazosin Hcl17suppressed
XareltoRivaroxaban17suppressed
EstradiolEstradiol16suppressed
Propranolol HclPropranolol Hcl16suppressed
Tramadol HclTramadol Hcl1613
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid16suppressed
Clindamycin PhosphateClindamycin Phosphate15suppressed
Divalproex SodiumDivalproex Sodium15suppressed
FinasterideFinasteride15suppressed
GlimepirideGlimepiride15suppressed
Montelukast SodiumMontelukast Sodium15suppressed
PradaxaDabigatran Etexilate Mesylate15suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf1515
Amiodarone HclAmiodarone Hcl14suppressed
ClopidogrelClopidogrel Bisulfate14suppressed
FurosemideFurosemide14suppressed
Humulin N KwikpenInsulin Nph Human Isophane14suppressed
HydrocortisoneHydrocortisone14suppressed
YuvafemEstradiol14suppressed
CarbamazepineCarbamazepine13suppressed
CarvedilolCarvedilol13suppressed
Clonidine HclClonidine Hcl13suppressed
Ondansetron OdtOndansetron13suppressed
Oxybutynin Chloride ErOxybutynin Chloride13suppressed
Spiriva RespimatTiotropium Bromide13suppressed
TenivacTetanus-Diphtheria Toxoids/Pf1313
Clobetasol PropionateClobetasol Propionate12suppressed
Donepezil HclDonepezil Hcl12suppressed
Doxazosin MesylateDoxazosin Mesylate12suppressed
Quetiapine FumarateQuetiapine Fumarate12suppressed
BreynaBudesonide/Formoterol Fumarate11suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol11suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1111
Verapamil ErVerapamil 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