Healthcare provider profile · identity verified

Kelvin Dan, M.D.

Internal Medicine · FORT DEFIANCE, AZ · NPI 1639602733

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 Calcium12937
GabapentinGabapentin9830
LisinoprilLisinopril8926
Single Use SwabAlcohol Antiseptic Pads8833
Amlodipine BesylateAmlodipine Besylate8619
Losartan PotassiumLosartan Potassium7818
FurosemideFurosemide7224
SynthroidLevothyroxine Sodium6416
GlipizideGlipizide5912
Albuterol Sulfate HfaAlbuterol Sulfate5418
OmeprazoleOmeprazole5419
OzempicSemaglutide5215
CarvedilolCarvedilol4611
Metformin Hcl ErMetformin Hcl4515
Tamsulosin HclTamsulosin Hcl4515
FinasterideFinasteride44suppressed
SimvastatinSimvastatin42suppressed
HydrochlorothiazideHydrochlorothiazide34suppressed
ClopidogrelClopidogrel Bisulfate33suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3312
Metoprolol SuccinateMetoprolol Succinate31suppressed
Metoprolol TartrateMetoprolol Tartrate31suppressed
PrednisonePrednisone31suppressed
LevetiracetamLevetiracetam30suppressed
IbuprofenIbuprofen27suppressed
Diclofenac SodiumDiclofenac Sodium2512
Novofine 32Pen Needle, Diabetic24suppressed
Sevelamer CarbonateSevelamer Carbonate24suppressed
Tramadol HclTramadol Hcl23suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic23suppressed
Alendronate SodiumAlendronate Sodium22suppressed
Pantoprazole SodiumPantoprazole Sodium21suppressed
Pioglitazone HclPioglitazone Hcl20suppressed
Fluticasone PropionateFluticasone Propionate19suppressed
AllopurinolAllopurinol18suppressed
EliquisApixaban17suppressed
Sertraline HclSertraline Hcl17suppressed
Midodrine HclMidodrine Hcl16suppressed
BaclofenBaclofen15suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl14suppressed
LatanoprostLatanoprost14suppressed
SpironolactoneSpironolactone14suppressed
AtenololAtenolol13suppressed
FamotidineFamotidine13suppressed
Levemir FlexpenInsulin Detemir13suppressed
LoperamideLoperamide Hcl13suppressed
NystopNystatin13suppressed
Duloxetine HclDuloxetine Hcl12suppressed
Citalopram HbrCitalopram Hydrobromide11suppressed
JardianceEmpagliflozin11suppressed
Nortriptyline HclNortriptyline Hcl11suppressed
Ondansetron HclOndansetron Hcl11suppressed
PhenobarbitalPhenobarbital11suppressed

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