Healthcare provider profile · identity verified

Patrick T Armstrong, PA-C

Physician Assistant · CHESTER, MT · NPI 1063468015

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
Levothyroxine SodiumLevothyroxine Sodium17541
Losartan PotassiumLosartan Potassium17439
Rosuvastatin CalciumRosuvastatin Calcium15436
Atorvastatin CalciumAtorvastatin Calcium14438
Amlodipine BesylateAmlodipine Besylate13230
Metoprolol SuccinateMetoprolol Succinate12731
Pantoprazole SodiumPantoprazole Sodium11724
FurosemideFurosemide9922
Potassium ChloridePotassium Chloride9122
Tamsulosin HclTamsulosin Hcl8721
HydrochlorothiazideHydrochlorothiazide8616
AllopurinolAllopurinol7315
SpironolactoneSpironolactone7019
SimvastatinSimvastatin6719
Escitalopram OxalateEscitalopram Oxalate6612
Trazodone HclTrazodone Hcl6113
Pravastatin SodiumPravastatin Sodium6014
OmeprazoleOmeprazole5713
EzetimibeEzetimibe54suppressed
LisinoprilLisinopril5416
EliquisApixaban5212
Metformin HclMetformin Hcl4713
Metoprolol TartrateMetoprolol Tartrate4113
Montelukast SodiumMontelukast Sodium41suppressed
ChlorthalidoneChlorthalidone4011
FinasterideFinasteride40suppressed
Pioglitazone HclPioglitazone Hcl38suppressed
FamotidineFamotidine35suppressed
PregabalinPregabalin35suppressed
CarvedilolCarvedilol31suppressed
PrednisonePrednisone31suppressed
CelecoxibCelecoxib30suppressed
Warfarin SodiumWarfarin Sodium29suppressed
Citalopram HbrCitalopram Hydrobromide28suppressed
Fluticasone PropionateFluticasone Propionate28suppressed
Alendronate SodiumAlendronate Sodium27suppressed
Duloxetine HclDuloxetine Hcl27suppressed
Venlafaxine Hcl ErVenlafaxine Hcl27suppressed
Bupropion XlBupropion Hcl26suppressed
TradjentaLinagliptin25suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide24suppressed
Metformin Hcl ErMetformin Hcl24suppressed
TrulicityDulaglutide23suppressed
Amitriptyline HclAmitriptyline Hcl22suppressed
GabapentinGabapentin22suppressed
XareltoRivaroxaban22suppressed
Sertraline HclSertraline Hcl20suppressed
ClonazepamClonazepam19suppressed
DutasterideDutasteride19suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl18suppressed
Nebivolol HclNebivolol Hcl18suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide17suppressed
MirtazapineMirtazapine17suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter17suppressed
Buspirone HclBuspirone Hcl16suppressed
ColchicineColchicine16suppressed
FarxigaDapagliflozin Propanediol16suppressed
GlyxambiEmpagliflozin/Linagliptin16suppressed
MeloxicamMeloxicam16suppressed
Ropinirole HclRopinirole Hcl16suppressed
OzempicSemaglutide15suppressed
RamiprilRamipril15suppressed
Venlafaxine HclVenlafaxine Hcl15suppressed
BelsomraSuvorexant14suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen14suppressed
Propranolol HclPropranolol Hcl14suppressed
Zolpidem TartrateZolpidem Tartrate14suppressed
ClopidogrelClopidogrel Bisulfate13suppressed
Fluoxetine HclFluoxetine Hcl13suppressed
LatanoprostLatanoprost13suppressed
Repatha SureclickEvolocumab13suppressed
Benazepril HclBenazepril Hcl12suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium12suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog12suppressed
Olmesartan MedoxomilOlmesartan Medoxomil12suppressed
Doxazosin MesylateDoxazosin Mesylate11suppressed
DuleraMometasone/Formoterol11suppressed
MetolazoneMetolazone11suppressed

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