Healthcare provider profile · identity verified

Jason P Collins, M.D.

Family Practice · KNOXVILLE, TN · NPI 1801908165

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 Sodium36887
Losartan PotassiumLosartan Potassium32090
Amlodipine BesylateAmlodipine Besylate26067
Atorvastatin CalciumAtorvastatin Calcium24972
Rosuvastatin CalciumRosuvastatin Calcium21053
OmeprazoleOmeprazole16952
Metformin Hcl ErMetformin Hcl15238
GabapentinGabapentin12124
Tamsulosin HclTamsulosin Hcl12032
SimvastatinSimvastatin11336
HydrochlorothiazideHydrochlorothiazide10331
AllopurinolAllopurinol10226
Metoprolol SuccinateMetoprolol Succinate10231
Pantoprazole SodiumPantoprazole Sodium9325
Zolpidem TartrateZolpidem Tartrate8611
Escitalopram OxalateEscitalopram Oxalate8316
LisinoprilLisinopril8325
Fluticasone PropionateFluticasone Propionate8028
GlimepirideGlimepiride7821
Pravastatin SodiumPravastatin Sodium7624
AlprazolamAlprazolam7513
Metformin HclMetformin Hcl7523
MeloxicamMeloxicam6921
Trazodone HclTrazodone Hcl6418
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide6219
EszopicloneEszopiclone55suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5516
Albuterol Sulfate HfaAlbuterol Sulfate4913
FurosemideFurosemide4814
Montelukast SodiumMontelukast Sodium4715
CarvedilolCarvedilol4411
EliquisApixaban4412
Potassium ChloridePotassium Chloride4414
SynthroidLevothyroxine Sodium43suppressed
Bupropion XlBupropion Hcl4111
PregabalinPregabalin40suppressed
Sertraline HclSertraline Hcl3911
Duloxetine HclDuloxetine Hcl38suppressed
Metoprolol TartrateMetoprolol Tartrate3813
FenofibrateFenofibrate35suppressed
AtenololAtenolol34suppressed
Citalopram HbrCitalopram Hydrobromide34suppressed
ClopidogrelClopidogrel Bisulfate34suppressed
CelecoxibCelecoxib3311
TrulicityDulaglutide32suppressed
Buspirone HclBuspirone Hcl3011
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide30suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl29suppressed
Hydroxyzine HclHydroxyzine Hcl28suppressed
OzempicSemaglutide28suppressed
ClonazepamClonazepam27suppressed
Ibandronate SodiumIbandronate Sodium27suppressed
Paroxetine HclParoxetine Hcl26suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium24suppressed
FinasterideFinasteride24suppressed
Tramadol HclTramadol Hcl24suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid24suppressed
EzetimibeEzetimibe23suppressed
JardianceEmpagliflozin23suppressed
Terazosin HclTerazosin Hcl23suppressed
LovastatinLovastatin21suppressed
MethylprednisoloneMethylprednisolone2118
Zolpidem Tartrate ErZolpidem Tartrate21suppressed
Donepezil HclDonepezil Hcl20suppressed
Doxepin HclDoxepin Hcl20suppressed
Fluoxetine HclFluoxetine Hcl20suppressed
IrbesartanIrbesartan20suppressed
XareltoRivaroxaban20suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril19suppressed
FenofibrateFenofibrate Nanocrystallized19suppressed
Oxybutynin Chloride ErOxybutynin Chloride19suppressed
PrimidonePrimidone19suppressed
Raloxifene HclRaloxifene Hcl19suppressed
Alendronate SodiumAlendronate Sodium18suppressed
Benazepril HclBenazepril Hcl18suppressed
Clonidine HclClonidine Hcl18suppressed
TestosteroneTestosterone18suppressed
Triamcinolone AcetonideTriamcinolone Acetonide18suppressed
ValacyclovirValacyclovir Hcl18suppressed
SpironolactoneSpironolactone17suppressed
MounjaroTirzepatide15suppressed
Nebivolol HclNebivolol Hcl15suppressed
Propranolol Hcl ErPropranolol Hcl15suppressed
ValsartanValsartan15suppressed
CefdinirCefdinir14suppressed
Enalapril MaleateEnalapril Maleate14suppressed
EstradiolEstradiol14suppressed
FamotidineFamotidine14suppressed
JanumetSitagliptin Phos/Metformin Hcl14suppressed
ModafinilModafinil14suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1413
Pramipexole DihydrochloridePramipexole Di-Hcl14suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1312
Azelastine HclAzelastine Hcl13suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine13suppressed
Diclofenac SodiumDiclofenac Sodium13suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol13suppressed
IbuprofenIbuprofen13suppressed
Tizanidine HclTizanidine Hcl13suppressed
GlipizideGlipizide12suppressed
Doxycycline HyclateDoxycycline Hyclate11suppressed
Hydralazine HclHydralazine Hcl11suppressed
LorazepamLorazepam11suppressed
NaproxenNaproxen11suppressed
Spiriva HandihalerTiotropium Bromide11suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim11suppressed

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