Healthcare provider profile · identity verified

Charles Anthony Nelson, M.D.

Family Practice · BAINBRIDGE ISLAND, WA · NPI 1184863193

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 Calcium17251
Rosuvastatin CalciumRosuvastatin Calcium14141
Amlodipine BesylateAmlodipine Besylate13136
Losartan PotassiumLosartan Potassium12633
Levothyroxine SodiumLevothyroxine Sodium12534
GabapentinGabapentin10932
LisinoprilLisinopril10531
Fluoxetine HclFluoxetine Hcl8116
OmeprazoleOmeprazole6719
Metoprolol SuccinateMetoprolol Succinate5922
Trazodone HclTrazodone Hcl5618
Escitalopram OxalateEscitalopram Oxalate5413
HydrochlorothiazideHydrochlorothiazide4714
Tamsulosin HclTamsulosin Hcl4618
EliquisApixaban4514
MeloxicamMeloxicam4514
Pantoprazole SodiumPantoprazole Sodium4314
Sertraline HclSertraline Hcl38suppressed
CelecoxibCelecoxib3613
Zolpidem TartrateZolpidem Tartrate3111
AllopurinolAllopurinol30suppressed
PrednisonePrednisone2924
SpironolactoneSpironolactone29suppressed
TrulicityDulaglutide29suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2820
Bupropion XlBupropion Hcl27suppressed
EzetimibeEzetimibe27suppressed
OzempicSemaglutide26suppressed
SimvastatinSimvastatin25suppressed
CephalexinCephalexin2417
Citalopram HbrCitalopram Hydrobromide24suppressed
XareltoRivaroxaban24suppressed
Albuterol Sulfate HfaAlbuterol Sulfate2316
Doxycycline HyclateDoxycycline Hyclate2318
Metformin HclMetformin Hcl23suppressed
Triamcinolone AcetonideTriamcinolone Acetonide23suppressed
AlprazolamAlprazolam22suppressed
FinasterideFinasteride22suppressed
FurosemideFurosemide22suppressed
ValacyclovirValacyclovir Hcl22suppressed
Ipratropium BromideIpratropium Bromide2111
PaxlovidNirmatrelvir/Ritonavir2121
SynthroidLevothyroxine Sodium20suppressed
Alendronate SodiumAlendronate Sodium19suppressed
AzithromycinAzithromycin1816
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen18suppressed
Metformin Hcl ErMetformin Hcl18suppressed
LorazepamLorazepam17suppressed
MupirocinMupirocin1714
Pravastatin SodiumPravastatin Sodium17suppressed
ClozapineClozapine16suppressed
EstradiolEstradiol16suppressed
Potassium ChloridePotassium Chloride16suppressed
ClopidogrelClopidogrel Bisulfate15suppressed
Diclofenac SodiumDiclofenac Sodium15suppressed
MetronidazoleMetronidazole15suppressed
Montelukast SodiumMontelukast Sodium15suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst15suppressed
Testosterone CypionateTestosterone Cypionate15suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim14suppressed
Amitriptyline HclAmitriptyline Hcl13suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol13suppressed
LoperamideLoperamide Hcl13suppressed
Venlafaxine Hcl ErVenlafaxine Hcl13suppressed
Warfarin SodiumWarfarin Sodium13suppressed
Cyanocobalamin InjectionCyanocobalamin (Vitamin B-12)12suppressed
Midodrine HclMidodrine Hcl12suppressed
Tizanidine HclTizanidine Hcl12suppressed
AtenololAtenolol11suppressed
CarvedilolCarvedilol11suppressed
Ciprofloxacin HclCiprofloxacin Hcl11suppressed
FamotidineFamotidine11suppressed
Fluticasone PropionateFluticasone Propionate11suppressed
Liothyronine SodiumLiothyronine Sodium11suppressed
Ondansetron OdtOndansetron11suppressed
Tramadol HclTramadol 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