Healthcare provider profile · identity verified

Nathan Atkinson, MD

Family Practice · APTOS, CA · NPI 1114038064

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 Calcium359107
Amlodipine BesylateAmlodipine Besylate24467
Losartan PotassiumLosartan Potassium17950
LisinoprilLisinopril17755
Levothyroxine SodiumLevothyroxine Sodium17039
Metformin HclMetformin Hcl14639
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13831
Zolpidem TartrateZolpidem Tartrate13639
GabapentinGabapentin13045
SimvastatinSimvastatin12435
OmeprazoleOmeprazole12130
Sertraline HclSertraline Hcl10026
Tamsulosin HclTamsulosin Hcl8427
Alendronate SodiumAlendronate Sodium7925
HydrochlorothiazideHydrochlorothiazide7527
Rosuvastatin CalciumRosuvastatin Calcium6317
Bupropion XlBupropion Hcl6118
EliquisApixaban5412
DiazepamDiazepam5314
ChlorthalidoneChlorthalidone5213
Escitalopram OxalateEscitalopram Oxalate5215
PregabalinPregabalin52suppressed
LorazepamLorazepam5017
OzempicSemaglutide48suppressed
AllopurinolAllopurinol47suppressed
Oxybutynin Chloride ErOxybutynin Chloride4611
Cyclobenzaprine HclCyclobenzaprine Hcl43suppressed
Potassium ChloridePotassium Chloride43suppressed
ValacyclovirValacyclovir Hcl4216
ClonazepamClonazepam41suppressed
Fluoxetine HclFluoxetine Hcl37suppressed
Pravastatin SodiumPravastatin Sodium34suppressed
Metoprolol SuccinateMetoprolol Succinate3311
MirtazapineMirtazapine3311
Trazodone HclTrazodone Hcl33suppressed
Duloxetine HclDuloxetine Hcl3111
Albuterol Sulfate HfaAlbuterol Sulfate3016
FarxigaDapagliflozin Propanediol30suppressed
ClopidogrelClopidogrel Bisulfate29suppressed
FurosemideFurosemide2911
IbuprofenIbuprofen29suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen29suppressed
Oxycodone HclOxycodone Hcl28suppressed
TemazepamTemazepam27suppressed
Tramadol HclTramadol Hcl27suppressed
AlprazolamAlprazolam2612
Fluticasone PropionateFluticasone Propionate26suppressed
Metoprolol TartrateMetoprolol Tartrate26suppressed
JardianceEmpagliflozin24suppressed
FinasterideFinasteride23suppressed
LovastatinLovastatin23suppressed
Metformin Hcl ErMetformin Hcl2311
Montelukast SodiumMontelukast Sodium23suppressed
NaproxenNaproxen23suppressed
FamotidineFamotidine22suppressed
Glipizide ErGlipizide22suppressed
Chlorhexidine GluconateChlorhexidine Gluconate20suppressed
Pantoprazole SodiumPantoprazole Sodium20suppressed
RytaryCarbidopa/Levodopa19suppressed
TrulicityDulaglutide19suppressed
CelecoxibCelecoxib18suppressed
CephalexinCephalexin1811
Donepezil HclDonepezil Hcl18suppressed
Quetiapine FumarateQuetiapine Fumarate18suppressed
Breo ElliptaFluticasone/Vilanterol17suppressed
DigoxinDigoxin17suppressed
AcyclovirAcyclovir16suppressed
Benazepril HclBenazepril Hcl16suppressed
Diclofenac SodiumDiclofenac Sodium16suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1613
GlipizideGlipizide15suppressed
MyrbetriqMirabegron15suppressed
SpironolactoneSpironolactone15suppressed
ValsartanValsartan14suppressed
BaclofenBaclofen13suppressed
EzetimibeEzetimibe13suppressed
PaxlovidNirmatrelvir/Ritonavir1313
TorsemideTorsemide13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
Citalopram HbrCitalopram Hydrobromide12suppressed
EstradiolEstradiol12suppressed
LamotrigineLamotrigine12suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide12suppressed
AzithromycinAzithromycin11suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine11suppressed
Dicyclomine HclDicyclomine Hcl11suppressed
Ibandronate SodiumIbandronate Sodium11suppressed
KetoconazoleKetoconazole11suppressed
MeloxicamMeloxicam11suppressed
Morphine Sulfate ErMorphine Sulfate11suppressed
Ondansetron HclOndansetron Hcl11suppressed
Terazosin HclTerazosin Hcl11suppressed
TestosteroneTestosterone11suppressed
Venlafaxine Hcl ErVenlafaxine 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