Healthcare provider profile · identity verified

John R Armbruster, FNP

Nurse Practitioner · BLOOMFIELD, MO · NPI 1003207242

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
Rosuvastatin CalciumRosuvastatin Calcium62528
Levothyroxine SodiumLevothyroxine Sodium30914
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride29918
GabapentinGabapentin28713
Pantoprazole SodiumPantoprazole Sodium27012
ValsartanValsartan23412
FamotidineFamotidine230suppressed
LisinoprilLisinopril22312
Amlodipine BesylateAmlodipine Besylate19116
Metformin HclMetformin Hcl19014
MeloxicamMeloxicam188suppressed
Montelukast SodiumMontelukast Sodium18114
HydrochlorothiazideHydrochlorothiazide17211
Potassium ChloridePotassium Chloride132suppressed
Metoprolol SuccinateMetoprolol Succinate90suppressed
Duloxetine HclDuloxetine Hcl86suppressed
Oxybutynin ChlorideOxybutynin Chloride84suppressed
OmeprazoleOmeprazole73suppressed
GlimepirideGlimepiride71suppressed
EliquisApixaban70suppressed
Fluticasone PropionateFluticasone Propionate6817
Doxycycline HyclateDoxycycline Hyclate67suppressed
Trazodone HclTrazodone Hcl66suppressed
Prenatal Vitamin Plus Low IronPnv,calcium 72/Iron/Folic Acid64suppressed
Losartan PotassiumLosartan Potassium63suppressed
Atorvastatin CalciumAtorvastatin Calcium60suppressed
Tamsulosin HclTamsulosin Hcl59suppressed
CelecoxibCelecoxib56suppressed
Desmopressin AcetateDesmopressin Acetate52suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl52suppressed
Nifedipine ErNifedipine52suppressed
Ammonium LactateAmmonium Lactate51suppressed
EzetimibeEzetimibe51suppressed
Metoprolol TartrateMetoprolol Tartrate48suppressed
TopiramateTopiramate47suppressed
HydrocortisoneHydrocortisone46suppressed
FenofibrateFenofibrate45suppressed
Buspirone HclBuspirone Hcl42suppressed
Propranolol HclPropranolol Hcl42suppressed
FenofibrateFenofibrate Nanocrystallized37suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl36suppressed
FurosemideFurosemide35suppressed
LevetiracetamLevetiracetam33suppressed
VascepaIcosapent Ethyl31suppressed
IrbesartanIrbesartan30suppressed
JardianceEmpagliflozin30suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide30suppressed
XareltoRivaroxaban30suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide28suppressed
LoperamideLoperamide Hcl27suppressed
TradjentaLinagliptin27suppressed
SucralfateSucralfate26suppressed
Tizanidine HclTizanidine Hcl26suppressed
Colesevelam HclColesevelam Hcl25suppressed
IbuprofenIbuprofen23suppressed
MirtazapineMirtazapine23suppressed
Albuterol Sulfate HfaAlbuterol Sulfate21suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog20suppressed
Alendronate SodiumAlendronate Sodium19suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate19suppressed
Clonidine HclClonidine Hcl16suppressed
Hydralazine HclHydralazine Hcl16suppressed
Single Use SwabAlcohol Antiseptic Pads16suppressed
Glipizide ErGlipizide14suppressed
Quetiapine FumarateQuetiapine Fumarate13suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter12suppressed
Breztri AerosphereBudesonide/Glycopyr/Formoterol11suppressed
Diclofenac SodiumDiclofenac Sodium11suppressed
LidocaineLidocaine11suppressed
RizatriptanRizatriptan Benzoate11suppressed
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