Healthcare provider profile · identity verified

Dyllan Tiburzi

Family Practice · SOUTH BEND, IN · NPI 1326536095

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 Calcium395145
Levothyroxine SodiumLevothyroxine Sodium29375
Amlodipine BesylateAmlodipine Besylate24072
LisinoprilLisinopril22171
Duloxetine HclDuloxetine Hcl14444
GabapentinGabapentin14145
Pantoprazole SodiumPantoprazole Sodium14146
Losartan PotassiumLosartan Potassium12949
MeloxicamMeloxicam12956
HydrochlorothiazideHydrochlorothiazide12744
Metformin HclMetformin Hcl11539
OmeprazoleOmeprazole10336
EliquisApixaban10022
Metoprolol SuccinateMetoprolol Succinate9427
OzempicSemaglutide9317
SimvastatinSimvastatin8722
Trazodone HclTrazodone Hcl7936
Albuterol Sulfate HfaAlbuterol Sulfate7826
Rosuvastatin CalciumRosuvastatin Calcium7730
Pravastatin SodiumPravastatin Sodium7626
FurosemideFurosemide7519
PrednisonePrednisone6649
Fluticasone PropionateFluticasone Propionate6241
Potassium ChloridePotassium Chloride6219
Hydroxyzine HclHydroxyzine Hcl6029
Sertraline HclSertraline Hcl6023
CephalexinCephalexin5945
Buspirone HclBuspirone Hcl5716
Trelegy ElliptaFluticasone/Umeclidin/Vilanter5717
Tamsulosin HclTamsulosin Hcl5618
Glipizide ErGlipizide5518
Metformin Hcl ErMetformin Hcl5418
Carbidopa-LevodopaCarbidopa/Levodopa53suppressed
MounjaroTirzepatide53suppressed
Amitriptyline HclAmitriptyline Hcl5214
GlipizideGlipizide5012
FamotidineFamotidine48suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav4740
Metoprolol TartrateMetoprolol Tartrate4717
PregabalinPregabalin4615
CarbidopaCarbidopa45suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl4526
Propafenone HclPropafenone Hcl44suppressed
AripiprazoleAripiprazole4315
Bupropion XlBupropion Hcl4211
Escitalopram OxalateEscitalopram Oxalate41suppressed
JardianceEmpagliflozin4115
Oxybutynin Chloride ErOxybutynin Chloride41suppressed
Alendronate SodiumAlendronate Sodium4015
Venlafaxine Hcl ErVenlafaxine Hcl4013
Triamcinolone AcetonideTriamcinolone Acetonide3828
ChlorthalidoneChlorthalidone3713
Citalopram HbrCitalopram Hydrobromide3711
CelecoxibCelecoxib35suppressed
AzithromycinAzithromycin3327
Fluoxetine HclFluoxetine Hcl33suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3312
Montelukast SodiumMontelukast Sodium3213
AllopurinolAllopurinol30suppressed
JanuviaSitagliptin Phosphate30suppressed
CarvedilolCarvedilol2912
XareltoRivaroxaban29suppressed
Breo ElliptaFluticasone/Vilanterol26suppressed
FluconazoleFluconazole2617
IrbesartanIrbesartan26suppressed
ClopidogrelClopidogrel Bisulfate25suppressed
FinasterideFinasteride24suppressed
ClotrimazoleClotrimazole2314
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide23suppressed
AtenololAtenolol22suppressed
EzetimibeEzetimibe2212
BaclofenBaclofen21suppressed
Propranolol HclPropranolol Hcl21suppressed
SynthroidLevothyroxine Sodium21suppressed
ValsartanValsartan21suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride20suppressed
Promethazine HclPromethazine Hcl20suppressed
Zolpidem TartrateZolpidem Tartrate20suppressed
Doxycycline HyclateDoxycycline Hyclate1917
SpironolactoneSpironolactone19suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1813
GlimepirideGlimepiride18suppressed
Tizanidine HclTizanidine Hcl18suppressed
Meclizine HclMeclizine Hcl17suppressed
Nifedipine ErNifedipine17suppressed
DiazepamDiazepam16suppressed
Diclofenac SodiumDiclofenac Sodium1612
Hydralazine HclHydralazine Hcl16suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst16suppressed
RamelteonRamelteon16suppressed
Ropinirole HclRopinirole Hcl16suppressed
LoperamideLoperamide Hcl15suppressed
LovastatinLovastatin15suppressed
NaproxenNaproxen15suppressed
Ondansetron OdtOndansetron1511
Paroxetine HclParoxetine Hcl15suppressed
SavellaMilnacipran Hcl15suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate14suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide14suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic14suppressed
KetoconazoleKetoconazole13suppressed
MupirocinMupirocin1311
RamiprilRamipril13suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1313
TopiramateTopiramate13suppressed
Quetiapine FumarateQuetiapine Fumarate12suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11suppressed
Ondansetron HclOndansetron Hcl11suppressed
Oxybutynin ChlorideOxybutynin Chloride11suppressed
Praluent PenAlirocumab11suppressed
PrimidonePrimidone11suppressed
RybelsusSemaglutide11suppressed
Sumatriptan SuccinateSumatriptan Succinate11suppressed

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