Healthcare provider profile · identity verified

John Lloyd Loewen, M.D.

Allopathic & Osteopathic Physicians|Family Medicine · NIAGARA, WI · NPI 1376693770

Profile state: payments and partd 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

CMS Open Payments records show John Lloyd Loewen, M.D. received $101.49 in general payments during 2025 across 5 reported records.

Vanda Pharmaceuticals Inc. accounted for 43.6% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 5 associated products.

Lilly USA, LLC reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported JARDIANCE as an associated drug or biological on 47708 records involving 23833 distinct recipient NPIs. Public Medicare Part D data also shows 66 claims for Jardiance by this doctor in 2024.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$101.49

5 reported records · 4 companies

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.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
Vanda Pharmaceuticals Inc. Unresolved — no canonical attribution shown $44.2243.6%22025
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) Unresolved — no canonical attribution shown $23.1922.9%12025
Exact Sciences Corporation Unresolved — no canonical attribution shown $19.3419.1%12025
Lilly USA, LLC Unresolved — no canonical attribution shown $14.7414.5%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$101.495

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Reported productTypeReported companyRelated amount*RecordsYear
FANAPT
Normalized: fanapt
Drug Vanda Pharmaceuticals Inc. $44.22 2 2025
Source payment records
CAPLYTA
Normalized: caplyta
Drug ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $23.19 1 2025
Source payment records
The Cologuard Plus Collection Kit
Normalized: the cologuard plus collection kit
Device Exact Sciences Corporation $19.34 1 2025
Source payment records
MOUNJARO
Normalized: mounjaro
Drug Lilly USA, LLC $14.74 1 2025
Source payment records
ZEPBOUND
Normalized: zepbound
Drug Lilly USA, LLC $14.74 1 2025
Source payment records

* Product-associated amounts are non-additive because one payment record may name more than one product.

These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.

Public prescribing for products named in payments

No exact normalized or approved-alias overlap was found in the loaded Part D year. This does not mean the doctor never prescribed the product.

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.

Paying companyPayment yearDrug reported by same entityOpen Payments evidencePart DClaimsBeneficiaries
Lilly USA, LLC
Exact reporting entity; no affiliate inference
2025 JARDIANCE
open payments reported associated product
CMS Open Payments — General Payments
47708 supporting records · 23833 recipient NPIs · example record 1186464557
Jardiance · 2024
Exact normalized brand match · 1 Part D row
66 15

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
Pravastatin SodiumPravastatin Sodium29073
Metoprolol SuccinateMetoprolol Succinate22953
Levothyroxine SodiumLevothyroxine Sodium21653
Pantoprazole SodiumPantoprazole Sodium20960
PrednisonePrednisone17892
Metformin HclMetformin Hcl17746
Metoprolol TartrateMetoprolol Tartrate16343
EliquisApixaban15926
LisinoprilLisinopril14942
Rosuvastatin CalciumRosuvastatin Calcium14240
Sertraline HclSertraline Hcl13841
Tamsulosin HclTamsulosin Hcl13738
Atorvastatin CalciumAtorvastatin Calcium13033
LorazepamLorazepam12634
AllopurinolAllopurinol10224
BumetanideBumetanide10228
ClopidogrelClopidogrel Bisulfate9922
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen9814
Warfarin SodiumWarfarin Sodium9416
Losartan PotassiumLosartan Potassium8922
Escitalopram OxalateEscitalopram Oxalate8113
OmeprazoleOmeprazole7621
TemazepamTemazepam7519
Amlodipine BesylateAmlodipine Besylate7419
GabapentinGabapentin7217
AzithromycinAzithromycin6947
Quetiapine FumarateQuetiapine Fumarate6813
Isosorbide Mononitrate ErIsosorbide Mononitrate6715
JardianceEmpagliflozin6615
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6217
Fluticasone PropionateFluticasone Propionate6027
SpironolactoneSpironolactone6017
FurosemideFurosemide5715
Memantine HclMemantine Hcl5715
Alendronate SodiumAlendronate Sodium4911
Doxycycline HyclateDoxycycline Hyclate4837
EzetimibeEzetimibe4812
Trelegy ElliptaFluticasone/Umeclidin/Vilanter48suppressed
Trazodone HclTrazodone Hcl4613
NaproxenNaproxen4518
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4311
PregabalinPregabalin4314
GlimepirideGlimepiride4212
MeloxicamMeloxicam4119
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine39suppressed
OlanzapineOlanzapine38suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3625
SucralfateSucralfate3521
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip3421
Ropinirole HclRopinirole Hcl34suppressed
Tramadol HclTramadol Hcl34suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim3218
CarvedilolCarvedilol31suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl31suppressed
VascepaIcosapent Ethyl31suppressed
CephalexinCephalexin3019
Fesoterodine Fumarate ErFesoterodine Fumarate30suppressed
HydrochlorothiazideHydrochlorothiazide30suppressed
Citalopram HbrCitalopram Hydrobromide29suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide29suppressed
Ciprofloxacin HclCiprofloxacin Hcl2818
Duloxetine HclDuloxetine Hcl28suppressed
Verapamil HclVerapamil Hcl28suppressed
SimvastatinSimvastatin27suppressed
DigoxinDigoxin26suppressed
DutasterideDutasteride26suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate25suppressed
Albuterol Sulfate HfaAlbuterol Sulfate24suppressed
Diclofenac SodiumDiclofenac Sodium2411
Meclizine HclMeclizine Hcl24suppressed
Clonidine HclClonidine Hcl23suppressed
Rabeprazole SodiumRabeprazole Sodium23suppressed
Donepezil HclDonepezil Hcl21suppressed
MethotrexateMethotrexate Sodium21suppressed
Clobetasol PropionateClobetasol Propionate2018
Potassium ChloridePotassium Chloride20suppressed
Clindamycin HclClindamycin Hcl1913
Diclofenac PotassiumDiclofenac Potassium1914
FluconazoleFluconazole1911
MupirocinMupirocin1916
Breo ElliptaFluticasone/Vilanterol18suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine18suppressed
ColchicineColchicine17suppressed
Nebivolol HclNebivolol Hcl17suppressed
Sumatriptan SuccinateSumatriptan Succinate17suppressed
FenofibrateFenofibrate Nanocrystallized16suppressed
Diltiazem HclDiltiazem Hcl15suppressed
EszopicloneEszopiclone15suppressed
FentanylFentanyl15suppressed
IbuprofenIbuprofen15suppressed
Icosapent EthylIcosapent Ethyl15suppressed
JantovenWarfarin Sodium15suppressed
LovastatinLovastatin15suppressed
SymbicortBudesonide/Formoterol Fumarate15suppressed
Triamcinolone AcetonideTriamcinolone Acetonide15suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium14suppressed
FarxigaDapagliflozin Propanediol14suppressed
Fluoxetine HclFluoxetine Hcl14suppressed
Montelukast SodiumMontelukast Sodium14suppressed
OzempicSemaglutide14suppressed
XareltoRivaroxaban14suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr13suppressed
Bupropion Hcl SrBupropion Hcl13suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol13suppressed
Oxybutynin ChlorideOxybutynin Chloride13suppressed
SynthroidLevothyroxine Sodium13suppressed
Venlafaxine Hcl ErVenlafaxine Hcl13suppressed
Carbidopa-LevodopaCarbidopa/Levodopa12suppressed
Dicyclomine HclDicyclomine Hcl12suppressed
FamotidineFamotidine12suppressed
Nifedipine ErNifedipine12suppressed
FenofibrateFenofibrate,micronized11suppressed
LevofloxacinLevofloxacin11suppressed
MethocarbamolMethocarbamol11suppressed

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 $101.49 · 5 records Vanda Pharmaceuticals Inc. CAPLYTA, FANAPT, MOUNJARO, The Cologuard Plus Collection Kit, ZEPBOUND 1
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