Healthcare provider profile · identity verified

David Graham, FNP-C

Nurse Practitioner · STOCKTON, CA · NPI 1821381179

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 Calcium415129
LisinoprilLisinopril30590
Amlodipine BesylateAmlodipine Besylate29994
GabapentinGabapentin29070
Metformin HclMetformin Hcl28085
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen22826
HydrochlorothiazideHydrochlorothiazide15446
OmeprazoleOmeprazole15338
FamotidineFamotidine13932
Tramadol HclTramadol Hcl12324
Albuterol Sulfate HfaAlbuterol Sulfate11330
Tamsulosin HclTamsulosin Hcl11039
Diclofenac SodiumDiclofenac Sodium10136
JardianceEmpagliflozin9927
Losartan PotassiumLosartan Potassium9636
SimvastatinSimvastatin9022
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog8819
FurosemideFurosemide8732
Metoprolol SuccinateMetoprolol Succinate8527
Levothyroxine SodiumLevothyroxine Sodium7924
EliquisApixaban7515
ClopidogrelClopidogrel Bisulfate7018
BaclofenBaclofen6411
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic6216
JanuviaSitagliptin Phosphate6119
Trazodone HclTrazodone Hcl6117
CarvedilolCarvedilol6022
IbuprofenIbuprofen6023
Metoprolol TartrateMetoprolol Tartrate5918
Fluticasone PropionateFluticasone Propionate5623
Pantoprazole SodiumPantoprazole Sodium5414
Montelukast SodiumMontelukast Sodium50suppressed
Hydralazine HclHydralazine Hcl48suppressed
GlimepirideGlimepiride4612
TradjentaLinagliptin45suppressed
Alendronate SodiumAlendronate Sodium4412
Meclizine HclMeclizine Hcl4411
NaproxenNaproxen43suppressed
Triamcinolone AcetonideTriamcinolone Acetonide4212
Combivent RespimatIpratropium/Albuterol Sulfate38suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3813
MeloxicamMeloxicam37suppressed
Benazepril HclBenazepril Hcl36suppressed
Sertraline HclSertraline Hcl3412
Paroxetine HclParoxetine Hcl33suppressed
AllopurinolAllopurinol32suppressed
Pioglitazone HclPioglitazone Hcl3011
Amitriptyline HclAmitriptyline Hcl29suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen28suppressed
Sumatriptan SuccinateSumatriptan Succinate28suppressed
GlipizideGlipizide25suppressed
HydrocortisoneHydrocortisone2411
Donepezil HclDonepezil Hcl23suppressed
Potassium ChloridePotassium Chloride23suppressed
Quetiapine FumarateQuetiapine Fumarate21suppressed
FinasterideFinasteride20suppressed
Ventolin HfaAlbuterol Sulfate20suppressed
Breo ElliptaFluticasone/Vilanterol19suppressed
LinzessLinaclotide19suppressed
Buspirone HclBuspirone Hcl18suppressed
Fluoxetine HclFluoxetine Hcl18suppressed
RybelsusSemaglutide18suppressed
AtenololAtenolol17suppressed
Droplet Pen NeedlePen Needle, Diabetic17suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide17suppressed
Novolog FlexpenInsulin Aspart17suppressed
Ammonium LactateAmmonium Lactate15suppressed
ClonazepamClonazepam15suppressed
ClotrimazoleClotrimazole15suppressed
PrednisonePrednisone1515
Tolterodine TartrateTolterodine Tartrate14suppressed
Venlafaxine HclVenlafaxine Hcl14suppressed
Venlafaxine Hcl ErVenlafaxine Hcl14suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr13suppressed
Doxazosin MesylateDoxazosin Mesylate13suppressed
Oxybutynin ChlorideOxybutynin Chloride13suppressed
Oxycodone HclOxycodone Hcl13suppressed
Wixela InhubFluticasone Propion/Salmeterol13suppressed
Arnuity ElliptaFluticasone Furoate12suppressed
BreynaBudesonide/Formoterol Fumarate12suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl12suppressed
Fiasp FlextouchInsulin Aspart (Niacinamide)12suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide12suppressed
RisperidoneRisperidone12suppressed
Rosuvastatin CalciumRosuvastatin Calcium12suppressed
Toujeo Max SolostarInsulin Glargine,hum.Rec.Anlog12suppressed
AtivanLorazepam11suppressed
Enalapril MaleateEnalapril Maleate11suppressed
GemfibrozilGemfibrozil11suppressed
Humalog Kwikpen U-100Insulin Lispro11suppressed
Isosorbide DinitrateIsosorbide Dinitrate11suppressed
LovastatinLovastatin11suppressed
SpironolactoneSpironolactone11suppressed

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