Healthcare provider profile · identity verified

Andrew Masters, DO

Family Practice · KNOXVILLE, TN · NPI 1588291819

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 Calcium30394
Levothyroxine SodiumLevothyroxine Sodium27573
OmeprazoleOmeprazole14639
Rosuvastatin CalciumRosuvastatin Calcium14148
Amlodipine BesylateAmlodipine Besylate13553
Pantoprazole SodiumPantoprazole Sodium11229
Losartan PotassiumLosartan Potassium10736
LisinoprilLisinopril10633
Fluticasone PropionateFluticasone Propionate10536
GabapentinGabapentin9122
Metformin Hcl ErMetformin Hcl7932
Alendronate SodiumAlendronate Sodium7516
FamotidineFamotidine7323
Duloxetine HclDuloxetine Hcl7225
Metoprolol SuccinateMetoprolol Succinate6620
Metformin HclMetformin Hcl6316
Potassium ChloridePotassium Chloride6317
HydrochlorothiazideHydrochlorothiazide6022
EliquisApixaban5815
Trazodone HclTrazodone Hcl5822
Tamsulosin HclTamsulosin Hcl5317
Doxepin HclDoxepin Hcl47suppressed
EzetimibeEzetimibe4614
MeloxicamMeloxicam4315
Buspirone HclBuspirone Hcl41suppressed
GlimepirideGlimepiride4017
Albuterol Sulfate HfaAlbuterol Sulfate3917
FarxigaDapagliflozin Propanediol39suppressed
SimvastatinSimvastatin39suppressed
OzempicSemaglutide3611
Oxybutynin Chloride ErOxybutynin Chloride35suppressed
AllopurinolAllopurinol3413
ClopidogrelClopidogrel Bisulfate3413
FurosemideFurosemide3315
JardianceEmpagliflozin3314
RybelsusSemaglutide3211
SpironolactoneSpironolactone3211
Montelukast SodiumMontelukast Sodium3111
CarvedilolCarvedilol3013
Sertraline HclSertraline Hcl3011
Tramadol HclTramadol Hcl30suppressed
Chlorhexidine GluconateChlorhexidine Gluconate29suppressed
Metoprolol TartrateMetoprolol Tartrate2914
Olmesartan MedoxomilOlmesartan Medoxomil2914
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid28suppressed
PrednisonePrednisone2721
Trelegy ElliptaFluticasone/Umeclidin/Vilanter27suppressed
FenofibrateFenofibrate25suppressed
Citalopram HbrCitalopram Hydrobromide24suppressed
Testosterone CypionateTestosterone Cypionate24suppressed
Bupropion XlBupropion Hcl23suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl23suppressed
Fluoxetine HclFluoxetine Hcl23suppressed
Zolpidem TartrateZolpidem Tartrate23suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen22suppressed
MirtazapineMirtazapine22suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide22suppressed
Venlafaxine Hcl ErVenlafaxine Hcl22suppressed
AtenololAtenolol21suppressed
LevetiracetamLevetiracetam21suppressed
LovastatinLovastatin21suppressed
TrulicityDulaglutide21suppressed
Diclofenac SodiumDiclofenac Sodium20suppressed
KetoconazoleKetoconazole2011
TopiramateTopiramate20suppressed
Benazepril HclBenazepril Hcl18suppressed
Mometasone FuroateMometasone Furoate18suppressed
MyrbetriqMirabegron18suppressed
Doxycycline HyclateDoxycycline Hyclate1713
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide17suppressed
AlprazolamAlprazolam16suppressed
CryselleNorgestrel-Ethinyl Estradiol16suppressed
Doxazosin MesylateDoxazosin Mesylate16suppressed
BaclofenBaclofen15suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1513
OxcarbazepineOxcarbazepine15suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl15suppressed
ValacyclovirValacyclovir Hcl15suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide15suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog14suppressed
MounjaroTirzepatide14suppressed
Bupropion Hcl SrBupropion Hcl13suppressed
Donepezil HclDonepezil Hcl13suppressed
Escitalopram OxalateEscitalopram Oxalate13suppressed
FinasterideFinasteride13suppressed
Icosapent EthylIcosapent Ethyl13suppressed
JanuviaSitagliptin Phosphate13suppressed
PremarinEstrogens, Conjugated13suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl13suppressed
Tizanidine HclTizanidine Hcl13suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril12suppressed
CarbamazepineCarbamazepine12suppressed
Clonidine HclClonidine Hcl12suppressed
Diclofenac Sodium-MisoprostolDiclofenac Sodium/Misoprostol12suppressed
Hydralazine HclHydralazine Hcl12suppressed
LidocaineLidocaine12suppressed
Ondansetron OdtOndansetron12suppressed
Pravastatin SodiumPravastatin Sodium12suppressed
Promethazine HclPromethazine Hcl12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
Amitriptyline HclAmitriptyline Hcl11suppressed
CelecoxibCelecoxib11suppressed
Ciprofloxacin HclCiprofloxacin Hcl11suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
LactuloseLactulose11suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide11suppressed
MupirocinMupirocin11suppressed
Norgestimate-Ethinyl EstradiolNorgestimate-Ethinyl Estradiol11suppressed
XareltoRivaroxaban11suppressed

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