Healthcare provider profile · identity verified

Clayton Timothy Pierce

Osteopathic Manipulative Medicine · PHOENIX, AZ · NPI 1235691593

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 Calcium360126
Levothyroxine SodiumLevothyroxine Sodium31399
LisinoprilLisinopril27192
Metformin HclMetformin Hcl26390
Losartan PotassiumLosartan Potassium23282
Amlodipine BesylateAmlodipine Besylate21378
GabapentinGabapentin20073
Tamsulosin HclTamsulosin Hcl18462
Albuterol Sulfate HfaAlbuterol Sulfate16555
Fluticasone PropionateFluticasone Propionate16368
OmeprazoleOmeprazole15056
Pantoprazole SodiumPantoprazole Sodium14650
Cyclobenzaprine HclCyclobenzaprine Hcl12645
HydrochlorothiazideHydrochlorothiazide11840
Rosuvastatin CalciumRosuvastatin Calcium11439
Zolpidem TartrateZolpidem Tartrate11128
FurosemideFurosemide10541
Hydroxyzine HclHydroxyzine Hcl10045
Tramadol HclTramadol Hcl9732
OzempicSemaglutide9121
Metoprolol SuccinateMetoprolol Succinate8731
Montelukast SodiumMontelukast Sodium8632
Pravastatin SodiumPravastatin Sodium8624
Potassium ChloridePotassium Chloride7829
EliquisApixaban7623
Trazodone HclTrazodone Hcl7628
MeloxicamMeloxicam7428
NaproxenNaproxen7334
Ondansetron OdtOndansetron7026
Metoprolol TartrateMetoprolol Tartrate6919
Sertraline HclSertraline Hcl6424
Pioglitazone HclPioglitazone Hcl6223
Duloxetine HclDuloxetine Hcl5823
Alendronate SodiumAlendronate Sodium5623
LorazepamLorazepam5515
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen5514
CarvedilolCarvedilol5321
SymbicortBudesonide/Formoterol Fumarate52suppressed
FinasterideFinasteride5115
AlprazolamAlprazolam5023
GlimepirideGlimepiride5013
TemazepamTemazepam49suppressed
SimvastatinSimvastatin4718
Triamcinolone AcetonideTriamcinolone Acetonide4728
AtenololAtenolol4613
Escitalopram OxalateEscitalopram Oxalate4617
AllopurinolAllopurinol4414
IbuprofenIbuprofen4316
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst4331
Amitriptyline HclAmitriptyline Hcl4211
Tizanidine HclTizanidine Hcl4217
Citalopram HbrCitalopram Hydrobromide41suppressed
GlipizideGlipizide3615
JardianceEmpagliflozin3612
Propranolol HclPropranolol Hcl3612
TrulicityDulaglutide36suppressed
ValacyclovirValacyclovir Hcl3412
PrednisonePrednisone3312
Azelastine HclAzelastine Hcl32suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine32suppressed
JanuviaSitagliptin Phosphate32suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3212
ClopidogrelClopidogrel Bisulfate3014
FamotidineFamotidine2916
Meclizine HclMeclizine Hcl2913
PregabalinPregabalin2812
Quetiapine FumarateQuetiapine Fumarate28suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter28suppressed
Venlafaxine Hcl ErVenlafaxine Hcl28suppressed
XareltoRivaroxaban28suppressed
Fluoxetine HclFluoxetine Hcl2711
KetoconazoleKetoconazole27suppressed
BaclofenBaclofen26suppressed
Bupropion XlBupropion Hcl26suppressed
Carbamazepine ErCarbamazepine26suppressed
ClonazepamClonazepam26suppressed
FenofibrateFenofibrate26suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog26suppressed
Sumatriptan SuccinateSumatriptan Succinate2614
Warfarin SodiumWarfarin Sodium26suppressed
Diclofenac SodiumDiclofenac Sodium2514
Metformin Hcl ErMetformin Hcl2513
AcyclovirAcyclovir24suppressed
AzithromycinAzithromycin2414
SpironolactoneSpironolactone24suppressed
CelecoxibCelecoxib23suppressed
MirtazapineMirtazapine23suppressed
ValsartanValsartan23suppressed
LantusInsulin Glargine,hum.Rec.Anlog22suppressed
Neomycin-Polymyxin-HcNeomycin/Polymyxin B/Hydrocort2217
Sildenafil CitrateSildenafil Citrate22suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl21suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine21suppressed
FarxigaDapagliflozin Propanediol21suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen21suppressed
LovastatinLovastatin21suppressed
MethylprednisoloneMethylprednisolone21suppressed
Oxybutynin ChlorideOxybutynin Chloride20suppressed
Oxybutynin Chloride ErOxybutynin Chloride20suppressed
SynthroidLevothyroxine Sodium20suppressed
CiclopiroxCiclopirox19suppressed
DiazepamDiazepam19suppressed
EzetimibeEzetimibe19suppressed
LevetiracetamLevetiracetam19suppressed
Oxycodone HclOxycodone Hcl19suppressed
Clonidine HclClonidine Hcl18suppressed
ClotrimazoleClotrimazole18suppressed
Doxazosin MesylateDoxazosin Mesylate18suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol18suppressed
PaxlovidNirmatrelvir/Ritonavir1817
Benazepril HclBenazepril Hcl17suppressed
Bupropion Hcl SrBupropion Hcl17suppressed
EstradiolEstradiol17suppressed
IrbesartanIrbesartan17suppressed
MupirocinMupirocin1716
Buspirone HclBuspirone Hcl16suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip16suppressed
Donepezil HclDonepezil Hcl16suppressed
Paroxetine HclParoxetine Hcl15suppressed
Amiodarone HclAmiodarone Hcl14suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate14suppressed
MyrbetriqMirabegron14suppressed
RizatriptanRizatriptan Benzoate14suppressed
TopiramateTopiramate14suppressed
Tresiba Flextouch U-100Insulin Degludec14suppressed
Enalapril MaleateEnalapril Maleate13suppressed
FluconazoleFluconazole13suppressed
IbuIbuprofen13suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide13suppressed
MethimazoleMethimazole13suppressed
Midodrine HclMidodrine Hcl13suppressed
NitroglycerinNitroglycerin13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
Butalbital-Aspirin-CaffeineButalbital/Aspirin/Caffeine12suppressed
CarisoprodolCarisoprodol12suppressed
CephalexinCephalexin12suppressed
CimetidineCimetidine12suppressed
Ropinirole HclRopinirole Hcl12suppressed
TadalafilTadalafil12suppressed
Doxycycline HyclateDoxycycline Hyclate11suppressed
FenofibrateFenofibrate,micronized11suppressed
LactuloseLactulose11suppressed
LinzessLinaclotide11suppressed
MethocarbamolMethocarbamol11suppressed
Methylphenidate HclMethylphenidate Hcl11suppressed
MounjaroTirzepatide11suppressed
RisperidoneRisperidone11suppressed

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