Healthcare provider profile · identity verified

Robert G Sperry, MD

Family Practice · BELLINGHAM, WA · NPI 1417045550

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 Calcium18484
Levothyroxine SodiumLevothyroxine Sodium18364
LisinoprilLisinopril14461
Losartan PotassiumLosartan Potassium12853
OmeprazoleOmeprazole12864
Rosuvastatin CalciumRosuvastatin Calcium12054
Metoprolol SuccinateMetoprolol Succinate11042
Amlodipine BesylateAmlodipine Besylate10446
Metformin HclMetformin Hcl9648
Tamsulosin HclTamsulosin Hcl8740
GabapentinGabapentin8542
Albuterol Sulfate HfaAlbuterol Sulfate8242
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen7932
SimvastatinSimvastatin6933
Zolpidem TartrateZolpidem Tartrate6835
HydrochlorothiazideHydrochlorothiazide6333
Oxycodone HclOxycodone Hcl5417
JardianceEmpagliflozin5318
Potassium ChloridePotassium Chloride5321
Tramadol HclTramadol Hcl5225
Bupropion XlBupropion Hcl4713
Cyclobenzaprine HclCyclobenzaprine Hcl4725
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4521
Sertraline HclSertraline Hcl4420
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav4241
Metoprolol TartrateMetoprolol Tartrate4215
Trazodone HclTrazodone Hcl4221
CephalexinCephalexin4139
FurosemideFurosemide3813
ChlorthalidoneChlorthalidone3712
FinasterideFinasteride3711
GlipizideGlipizide3518
Bupropion Hcl SrBupropion Hcl3416
Pantoprazole SodiumPantoprazole Sodium3419
Warfarin SodiumWarfarin Sodium3311
Citalopram HbrCitalopram Hydrobromide3213
Clonidine HclClonidine Hcl3215
MethylprednisoloneMethylprednisolone3232
PrednisonePrednisone3227
AlprazolamAlprazolam3117
EliquisApixaban2912
FenofibrateFenofibrate29suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2920
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog28suppressed
AllopurinolAllopurinol2613
Ciprofloxacin HclCiprofloxacin Hcl2322
Duloxetine HclDuloxetine Hcl23suppressed
MeloxicamMeloxicam23suppressed
XareltoRivaroxaban23suppressed
Fluticasone PropionateFluticasone Propionate22suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen22suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl22suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2221
Glipizide ErGlipizide2111
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2119
Terazosin HclTerazosin Hcl20suppressed
SpironolactoneSpironolactone1911
FluconazoleFluconazole1812
LovastatinLovastatin18suppressed
OlanzapineOlanzapine18suppressed
Olmesartan MedoxomilOlmesartan Medoxomil18suppressed
ClonazepamClonazepam17suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl17suppressed
FamotidineFamotidine17suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
Montelukast SodiumMontelukast Sodium17suppressed
NitroglycerinNitroglycerin17suppressed
ValacyclovirValacyclovir Hcl17suppressed
Carbidopa-LevodopaCarbidopa/Levodopa16suppressed
CarvedilolCarvedilol16suppressed
Donepezil HclDonepezil Hcl16suppressed
EstradiolEstradiol16suppressed
Memantine HclMemantine Hcl16suppressed
EzetimibeEzetimibe15suppressed
KetoconazoleKetoconazole1513
OzempicSemaglutide15suppressed
SynthroidLevothyroxine Sodium15suppressed
Tresiba Flextouch U-200Insulin Degludec14suppressed
Sumatriptan SuccinateSumatriptan Succinate13suppressed
Tizanidine HclTizanidine Hcl13suppressed
ClopidogrelClopidogrel Bisulfate12suppressed
DiazepamDiazepam12suppressed
Escitalopram OxalateEscitalopram Oxalate12suppressed
LamotrigineLamotrigine12suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide12suppressed
MirtazapineMirtazapine12suppressed
Venlafaxine Hcl ErVenlafaxine Hcl12suppressed
Alendronate SodiumAlendronate Sodium11suppressed
AzithromycinAzithromycin1111
Nifedipine ErNifedipine11suppressed
PaxlovidNirmatrelvir/Ritonavir1111
Pravastatin SodiumPravastatin Sodium11suppressed
Testosterone CypionateTestosterone Cypionate11suppressed

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