Healthcare provider profile · identity verified

Michael Patrick Quirk, PA

Physician Assistant · PHOENIX, AZ · NPI 1689783722

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 Sodium45875
Trazodone HclTrazodone Hcl45783
Atorvastatin CalciumAtorvastatin Calcium37361
Amlodipine BesylateAmlodipine Besylate36753
GabapentinGabapentin32354
Quetiapine FumarateQuetiapine Fumarate27343
FurosemideFurosemide26360
Sertraline HclSertraline Hcl24236
Tamsulosin HclTamsulosin Hcl22639
Pantoprazole SodiumPantoprazole Sodium22237
LisinoprilLisinopril22139
Escitalopram OxalateEscitalopram Oxalate21035
Donepezil HclDonepezil Hcl20534
EliquisApixaban20133
Divalproex SodiumDivalproex Sodium19029
OmeprazoleOmeprazole18829
Potassium ChloridePotassium Chloride18045
Memantine HclMemantine Hcl17927
Metoprolol SuccinateMetoprolol Succinate17731
Losartan PotassiumLosartan Potassium17032
HydrochlorothiazideHydrochlorothiazide15327
Metformin HclMetformin Hcl13229
Metoprolol TartrateMetoprolol Tartrate13022
SimvastatinSimvastatin12921
Tramadol HclTramadol Hcl12635
Rosuvastatin CalciumRosuvastatin Calcium12018
MirtazapineMirtazapine11524
Duloxetine HclDuloxetine Hcl11217
ClopidogrelClopidogrel Bisulfate11016
RisperidoneRisperidone10014
FamotidineFamotidine9612
Oxybutynin Chloride ErOxybutynin Chloride9215
Pravastatin SodiumPravastatin Sodium92suppressed
CarvedilolCarvedilol9018
FinasterideFinasteride8911
Hydralazine HclHydralazine Hcl8117
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst7842
CephalexinCephalexin7451
Carbidopa-LevodopaCarbidopa/Levodopa7211
SpironolactoneSpironolactone6913
Citalopram HbrCitalopram Hydrobromide6612
Montelukast SodiumMontelukast Sodium65suppressed
XareltoRivaroxaban65suppressed
LorazepamLorazepam5921
LevetiracetamLevetiracetam57suppressed
ClonazepamClonazepam5611
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5514
MyrbetriqMirabegron55suppressed
Amiodarone HclAmiodarone Hcl51suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4912
AlprazolamAlprazolam4817
Fluticasone PropionateFluticasone Propionate4814
Nifedipine ErNifedipine47suppressed
AtenololAtenolol46suppressed
Solifenacin SuccinateSolifenacin Succinate46suppressed
LatanoprostLatanoprost4514
Diclofenac SodiumDiclofenac Sodium43suppressed
OlanzapineOlanzapine41suppressed
Fluoxetine HclFluoxetine Hcl39suppressed
AzithromycinAzithromycin3834
JanuviaSitagliptin Phosphate38suppressed
Ciprofloxacin HclCiprofloxacin Hcl3735
AllopurinolAllopurinol36suppressed
CarbamazepineCarbamazepine36suppressed
Buspirone HclBuspirone Hcl35suppressed
Glipizide ErGlipizide34suppressed
NystatinNystatin3423
Oxybutynin ChlorideOxybutynin Chloride34suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc33suppressed
Clonidine HclClonidine Hcl33suppressed
MeloxicamMeloxicam31suppressed
ValsartanValsartan31suppressed
Verapamil ErVerapamil Hcl31suppressed
Folic AcidFolic Acid30suppressed
LamotrigineLamotrigine30suppressed
Midodrine HclMidodrine Hcl30suppressed
Paroxetine HclParoxetine Hcl30suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim3027
Ondansetron HclOndansetron Hcl2918
Oxycodone HclOxycodone Hcl28suppressed
PregabalinPregabalin28suppressed
Diltiazem HclDiltiazem Hcl27suppressed
RivastigmineRivastigmine27suppressed
HaloperidolHaloperidol26suppressed
MupirocinMupirocin2611
Alendronate SodiumAlendronate Sodium25suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate25suppressed
LoperamideLoperamide Hcl25suppressed
Quetiapine Fumarate ErQuetiapine Fumarate25suppressed
EntrestoSacubitril/Valsartan24suppressed
PrednisonePrednisone2313
Terazosin HclTerazosin Hcl23suppressed
Propranolol HclPropranolol Hcl22suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter22suppressed
Albuterol Sulfate HfaAlbuterol Sulfate2114
LubiprostoneLubiprostone21suppressed
BumetanideBumetanide20suppressed
Doxycycline HyclateDoxycycline Hyclate2014
Memantine Hcl ErMemantine Hcl20suppressed
AripiprazoleAripiprazole19suppressed
BaclofenBaclofen19suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium19suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1813
Bupropion XlBupropion Hcl18suppressed
ChlorthalidoneChlorthalidone18suppressed
JardianceEmpagliflozin18suppressed
Ondansetron OdtOndansetron18suppressed
AcyclovirAcyclovir17suppressed
Alfuzosin Hcl ErAlfuzosin Hcl17suppressed
Colestipol HclColestipol Hcl17suppressed
LactuloseLactulose17suppressed
Ropinirole HclRopinirole Hcl17suppressed
Bupropion HclBupropion Hcl16suppressed
EzetimibeEzetimibe16suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol16suppressed
Isosorbide DinitrateIsosorbide Dinitrate16suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen16suppressed
Ranolazine ErRanolazine16suppressed
Zolpidem TartrateZolpidem Tartrate16suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl15suppressed
DofetilideDofetilide15suppressed
GlimepirideGlimepiride15suppressed
Hydroxyzine HclHydroxyzine Hcl15suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide15suppressed
Olmesartan MedoxomilOlmesartan Medoxomil15suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters15suppressed
Prazosin HclPrazosin Hcl15suppressed
Venlafaxine Hcl ErVenlafaxine Hcl15suppressed
Warfarin SodiumWarfarin Sodium15suppressed
FluconazoleFluconazole14suppressed
Liothyronine SodiumLiothyronine Sodium14suppressed
LovastatinLovastatin14suppressed
MethotrexateMethotrexate Sodium14suppressed
Raloxifene HclRaloxifene Hcl14suppressed
Triamcinolone AcetonideTriamcinolone Acetonide14suppressed
AmantadineAmantadine Hcl13suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril13suppressed
DesloratadineDesloratadine13suppressed
DutasterideDutasteride13suppressed
HydrocortisoneHydrocortisone13suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate13suppressed
Opium TinctureOpium Tincture13suppressed
Pioglitazone HclPioglitazone Hcl13suppressed
SotalolSotalol Hcl13suppressed
Tolterodine Tartrate ErTolterodine Tartrate13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic13suppressed
Benazepril HclBenazepril Hcl12suppressed
Betamethasone DipropionateBetamethasone Dipropionate12suppressed
BrilintaTicagrelor12suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride12suppressed
Megestrol AcetateMegestrol Acetate12suppressed
Spironolactone-HctzSpironolact/Hydrochlorothiazid12suppressed
Timolol MaleateTimolol Maleate12suppressed
TrulicityDulaglutide12suppressed
AnastrozoleAnastrozole11suppressed
Atomoxetine HclAtomoxetine Hcl11suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl11suppressed
Desmopressin AcetateDesmopressin Acetate11suppressed
Dicyclomine HclDicyclomine Hcl11suppressed
Invega SustennaPaliperidone Palmitate11suppressed
InvokanaCanagliflozin11suppressed
LacosamideLacosamide11suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide11suppressed
XifaxanRifaximin11suppressed

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