Healthcare provider profile · identity verified

Terence J Knowles, MD

Family Practice · NEW ULM, MN · NPI 1962502047

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 Calcium495124
LisinoprilLisinopril31191
Amlodipine BesylateAmlodipine Besylate27777
SimvastatinSimvastatin23061
Metformin HclMetformin Hcl17844
HydrochlorothiazideHydrochlorothiazide16950
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide16744
OmeprazoleOmeprazole16651
Tamsulosin HclTamsulosin Hcl15946
Metoprolol SuccinateMetoprolol Succinate15646
Metoprolol TartrateMetoprolol Tartrate15537
Levothyroxine SodiumLevothyroxine Sodium11830
Warfarin SodiumWarfarin Sodium11828
Losartan PotassiumLosartan Potassium11230
AtenololAtenolol11133
FurosemideFurosemide10826
AllopurinolAllopurinol9826
Rosuvastatin CalciumRosuvastatin Calcium8822
Potassium ChloridePotassium Chloride8421
Citalopram HbrCitalopram Hydrobromide8222
Zolpidem TartrateZolpidem Tartrate8011
ClopidogrelClopidogrel Bisulfate7918
Sertraline HclSertraline Hcl7916
GabapentinGabapentin7821
ChlorthalidoneChlorthalidone7317
Fluticasone PropionateFluticasone Propionate7319
Pantoprazole SodiumPantoprazole Sodium7220
Tramadol HclTramadol Hcl72suppressed
Metformin Hcl ErMetformin Hcl6618
Lantus SolostarInsulin Glargine,hum.Rec.Anlog62suppressed
OzempicSemaglutide61suppressed
Albuterol Sulfate HfaAlbuterol Sulfate6020
EliquisApixaban5514
Diltiazem 24hr Er (Cd)Diltiazem Hcl5412
CarvedilolCarvedilol4613
Pravastatin SodiumPravastatin Sodium4414
AzithromycinAzithromycin4239
Trazodone HclTrazodone Hcl4215
XareltoRivaroxaban42suppressed
Fluoxetine HclFluoxetine Hcl41suppressed
Glipizide ErGlipizide38suppressed
FamotidineFamotidine3711
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide37suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen36suppressed
Escitalopram OxalateEscitalopram Oxalate35suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol34suppressed
Donepezil HclDonepezil Hcl33suppressed
Ventolin HfaAlbuterol Sulfate33suppressed
GlimepirideGlimepiride32suppressed
MeloxicamMeloxicam3217
Alendronate SodiumAlendronate Sodium29suppressed
FinasterideFinasteride29suppressed
Quetiapine FumarateQuetiapine Fumarate29suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog28suppressed
Clonidine HclClonidine Hcl28suppressed
MirtazapineMirtazapine28suppressed
PrednisonePrednisone2824
Triamcinolone AcetonideTriamcinolone Acetonide2818
Cyclobenzaprine HclCyclobenzaprine Hcl27suppressed
SpironolactoneSpironolactone26suppressed
EzetimibeEzetimibe25suppressed
LovastatinLovastatin24suppressed
Oxycodone HclOxycodone Hcl24suppressed
GlipizideGlipizide21suppressed
LorazepamLorazepam20suppressed
NitroglycerinNitroglycerin2017
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid20suppressed
AmoxicillinAmoxicillin1917
Doxycycline HyclateDoxycycline Hyclate18suppressed
Humalog Kwikpen U-100Insulin Lispro18suppressed
Incruse ElliptaUmeclidinium Bromide18suppressed
Paroxetine HclParoxetine Hcl18suppressed
Venlafaxine Hcl ErVenlafaxine Hcl18suppressed
Breo ElliptaFluticasone/Vilanterol17suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen17suppressed
TrulicityDulaglutide17suppressed
Atomoxetine HclAtomoxetine Hcl16suppressed
LevetiracetamLevetiracetam16suppressed
TorsemideTorsemide16suppressed
Ciprofloxacin HclCiprofloxacin Hcl1515
Fosinopril SodiumFosinopril Sodium15suppressed
IbuprofenIbuprofen15suppressed
JardianceEmpagliflozin15suppressed
Novolog FlexpenInsulin Aspart15suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl15suppressed
PregabalinPregabalin15suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine14suppressed
Sumatriptan SuccinateSumatriptan Succinate14suppressed
DigoxinDigoxin13suppressed
Memantine HclMemantine Hcl13suppressed
Methylphenidate HclMethylphenidate Hcl13suppressed
Prazosin HclPrazosin Hcl13suppressed
Ropinirole HclRopinirole Hcl13suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter13suppressed
AlprazolamAlprazolam12suppressed
Benazepril HclBenazepril Hcl12suppressed
Doxycycline MonohydrateDoxycycline Monohydrate12suppressed
Montelukast SodiumMontelukast Sodium12suppressed
ValsartanValsartan12suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav11suppressed
Bupropion Hcl SrBupropion Hcl11suppressed
Guanfacine Hcl ErGuanfacine Hcl11suppressed
MethotrexateMethotrexate Sodium11suppressed

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