Healthcare provider profile · identity verified

John P Flanagan, M.D.

Family Practice · GRAND JUNCTION, CO · NPI 1326097106

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 Calcium461129
Losartan PotassiumLosartan Potassium28482
Levothyroxine SodiumLevothyroxine Sodium26470
Amlodipine BesylateAmlodipine Besylate22761
GabapentinGabapentin19444
LisinoprilLisinopril17654
EliquisApixaban16731
SimvastatinSimvastatin15142
Metoprolol SuccinateMetoprolol Succinate14143
Tamsulosin HclTamsulosin Hcl13330
Pravastatin SodiumPravastatin Sodium13135
Pantoprazole SodiumPantoprazole Sodium12632
Trazodone HclTrazodone Hcl11926
Metformin HclMetformin Hcl11229
HydrochlorothiazideHydrochlorothiazide10933
Alendronate SodiumAlendronate Sodium10833
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide8927
Metoprolol TartrateMetoprolol Tartrate8720
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen8522
AlprazolamAlprazolam8131
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide7822
OmeprazoleOmeprazole7820
Escitalopram OxalateEscitalopram Oxalate7617
Tramadol HclTramadol Hcl7425
Memantine HclMemantine Hcl6912
Albuterol Sulfate HfaAlbuterol Sulfate6827
OzempicSemaglutide67suppressed
CarvedilolCarvedilol6412
EstradiolEstradiol6320
MounjaroTirzepatide61suppressed
Pioglitazone HclPioglitazone Hcl5814
Zolpidem TartrateZolpidem Tartrate5618
Buspirone HclBuspirone Hcl53suppressed
Duloxetine HclDuloxetine Hcl5311
FurosemideFurosemide5315
LamotrigineLamotrigine51suppressed
AllopurinolAllopurinol4914
Fluoxetine HclFluoxetine Hcl4915
Sertraline HclSertraline Hcl47suppressed
Rosuvastatin CalciumRosuvastatin Calcium4615
Potassium ChloridePotassium Chloride4511
Bupropion XlBupropion Hcl4311
LorazepamLorazepam4315
AzithromycinAzithromycin4221
Ipratropium BromideIpratropium Bromide42suppressed
Citalopram HbrCitalopram Hydrobromide4012
PrednisonePrednisone3922
MirtazapineMirtazapine38suppressed
Warfarin SodiumWarfarin Sodium3812
FinasterideFinasteride36suppressed
CelecoxibCelecoxib35suppressed
Ibandronate SodiumIbandronate Sodium35suppressed
Oxycodone HclOxycodone Hcl33suppressed
CephalexinCephalexin3216
Divalproex SodiumDivalproex Sodium32suppressed
Fluticasone PropionateFluticasone Propionate32suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog31suppressed
ClopidogrelClopidogrel Bisulfate30suppressed
RisperidoneRisperidone30suppressed
SpironolactoneSpironolactone30suppressed
SynthroidLevothyroxine Sodium29suppressed
BumetanideBumetanide28suppressed
GlimepirideGlimepiride28suppressed
JardianceEmpagliflozin27suppressed
SilodosinSilodosin27suppressed
XareltoRivaroxaban27suppressed
AcyclovirAcyclovir25suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr25suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2521
FarxigaDapagliflozin Propanediol24suppressed
IbuprofenIbuprofen24suppressed
Tizanidine HclTizanidine Hcl24suppressed
Venlafaxine Hcl ErVenlafaxine Hcl24suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2318
Felodipine ErFelodipine23suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol23suppressed
LovastatinLovastatin23suppressed
Metformin Hcl ErMetformin Hcl23suppressed
BaclofenBaclofen22suppressed
LactuloseLactulose22suppressed
DiazepamDiazepam21suppressed
Amitriptyline HclAmitriptyline Hcl19suppressed
Hydroxyzine HclHydroxyzine Hcl19suppressed
TemazepamTemazepam19suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine18suppressed
EzetimibeEzetimibe18suppressed
FamotidineFamotidine18suppressed
Paroxetine HclParoxetine Hcl18suppressed
Terbinafine HclTerbinafine Hcl18suppressed
IrbesartanIrbesartan17suppressed
TestosteroneTestosterone17suppressed
FluconazoleFluconazole16suppressed
Montelukast SodiumMontelukast Sodium16suppressed
Ondansetron OdtOndansetron16suppressed
Sumatriptan SuccinateSumatriptan Succinate16suppressed
AtenololAtenolol15suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl15suppressed
MyrbetriqMirabegron15suppressed
TrulicityDulaglutide15suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine14suppressed
EntrestoSacubitril/Valsartan14suppressed
LubiprostoneLubiprostone14suppressed
MinoxidilMinoxidil14suppressed
OlanzapineOlanzapine14suppressed
Olmesartan MedoxomilOlmesartan Medoxomil14suppressed
PregabalinPregabalin14suppressed
Advair HfaFluticasone Propion/Salmeterol13suppressed
BriviactBrivaracetam13suppressed
ClonazepamClonazepam13suppressed
ColchicineColchicine13suppressed
Emtricitabine-Tenofovir DisopEmtricitabine/Tenofovir (Tdf)13suppressed
EplerenoneEplerenone13suppressed
Estradiol (Once Weekly)Estradiol13suppressed
Armour ThyroidThyroid,pork12suppressed
Clonidine HclClonidine Hcl12suppressed
Doxycycline HyclateDoxycycline Hyclate1212
HumalogInsulin Lispro12suppressed
HydrocortisoneHydrocortisone12suppressed
Insulin LisproInsulin Lispro12suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate12suppressed
LidocaineLidocaine12suppressed
Paliperidone ErPaliperidone12suppressed
TopiramateTopiramate12suppressed
Varenicline TartrateVarenicline Tartrate12suppressed
Vilazodone HclVilazodone Hcl12suppressed
AmoxicillinAmoxicillin11suppressed
Breo ElliptaFluticasone/Vilanterol11suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl11suppressed
LinzessLinaclotide11suppressed
MeloxicamMeloxicam11suppressed
Methadone HclMethadone Hcl11suppressed
MethimazoleMethimazole11suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic11suppressed
Ondansetron HclOndansetron 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