Healthcare provider profile · identity verified

Tuc To, MD

Internal Medicine · LANCASTER, PA · NPI 1134651946

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 Calcium33496
Rosuvastatin CalciumRosuvastatin Calcium24370
Levothyroxine SodiumLevothyroxine Sodium20852
Amlodipine BesylateAmlodipine Besylate15453
Losartan PotassiumLosartan Potassium13036
LisinoprilLisinopril12740
OmeprazoleOmeprazole12639
HydrochlorothiazideHydrochlorothiazide9727
Metoprolol SuccinateMetoprolol Succinate9734
Tamsulosin HclTamsulosin Hcl9428
FamotidineFamotidine9029
Metformin HclMetformin Hcl9024
Pantoprazole SodiumPantoprazole Sodium9035
GabapentinGabapentin7626
ClonazepamClonazepam7524
CarvedilolCarvedilol7318
EzetimibeEzetimibe6616
Sertraline HclSertraline Hcl6616
EliquisApixaban6318
Metformin Hcl ErMetformin Hcl6316
SimvastatinSimvastatin6321
LorazepamLorazepam6127
FurosemideFurosemide6026
MounjaroTirzepatide59suppressed
Tramadol HclTramadol Hcl5726
AlprazolamAlprazolam5633
Escitalopram OxalateEscitalopram Oxalate56suppressed
Olmesartan MedoxomilOlmesartan Medoxomil5616
Fluticasone PropionateFluticasone Propionate5533
Montelukast SodiumMontelukast Sodium5413
Zolpidem TartrateZolpidem Tartrate5026
Fluoxetine HclFluoxetine Hcl4913
Buspirone HclBuspirone Hcl45suppressed
PrednisonePrednisone4434
OzempicSemaglutide43suppressed
Albuterol Sulfate HfaAlbuterol Sulfate4211
Azelastine HclAzelastine Hcl4126
SpironolactoneSpironolactone41suppressed
AllopurinolAllopurinol4012
CelecoxibCelecoxib3912
Citalopram HbrCitalopram Hydrobromide39suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3732
Metoprolol TartrateMetoprolol Tartrate3715
Duloxetine HclDuloxetine Hcl3612
Bupropion XlBupropion Hcl35suppressed
Glipizide ErGlipizide35suppressed
Hydroxyzine HclHydroxyzine Hcl3512
Amitriptyline HclAmitriptyline Hcl34suppressed
TrulicityDulaglutide33suppressed
Doxepin HclDoxepin Hcl31suppressed
Venlafaxine Hcl ErVenlafaxine Hcl31suppressed
XareltoRivaroxaban31suppressed
Alendronate SodiumAlendronate Sodium30suppressed
Diclofenac SodiumDiclofenac Sodium3015
JardianceEmpagliflozin3011
AzithromycinAzithromycin2922
ClopidogrelClopidogrel Bisulfate28suppressed
Doxycycline HyclateDoxycycline Hyclate2826
MirtazapineMirtazapine28suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2825
Pravastatin SodiumPravastatin Sodium2712
Fluticasone-SalmeterolFluticasone Propion/Salmeterol26suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog26suppressed
Trazodone HclTrazodone Hcl24suppressed
Enalapril MaleateEnalapril Maleate23suppressed
Sumatriptan SuccinateSumatriptan Succinate23suppressed
Warfarin SodiumWarfarin Sodium23suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine22suppressed
DiazepamDiazepam20suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide20suppressed
Hydralazine HclHydralazine Hcl19suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide19suppressed
Cefpodoxime ProxetilCefpodoxime Proxetil1815
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip18suppressed
FinasterideFinasteride18suppressed
Oxycodone HclOxycodone Hcl1811
Tizanidine HclTizanidine Hcl18suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate17suppressed
ErythromycinErythromycin Base1713
LansoprazoleLansoprazole17suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide17suppressed
SymbicortBudesonide/Formoterol Fumarate17suppressed
SynthroidLevothyroxine Sodium17suppressed
TestosteroneTestosterone17suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter17suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate16suppressed
IrbesartanIrbesartan15suppressed
PregabalinPregabalin15suppressed
Varenicline TartrateVarenicline Tartrate15suppressed
AtenololAtenolol14suppressed
RexultiBrexpiprazole14suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic14suppressed
Benazepril HclBenazepril Hcl13suppressed
EszopicloneEszopiclone13suppressed
Potassium ChloridePotassium Chloride13suppressed
Tresiba Flextouch U-100Insulin Degludec13suppressed
BiktarvyBictegrav/Emtricit/Tenofov Ala12suppressed
Ondansetron OdtOndansetron12suppressed
AcyclovirAcyclovir11suppressed
Alfuzosin Hcl ErAlfuzosin Hcl11suppressed
Ciprofloxacin HclCiprofloxacin Hcl1111
Clobetasol PropionateClobetasol Propionate11suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl11suppressed
DexamethasoneDexamethasone11suppressed
FenofibrateFenofibrate Nanocrystallized11suppressed
NaproxenNaproxen11suppressed
PaxlovidNirmatrelvir/Ritonavir1111
TemazepamTemazepam11suppressed
Triamcinolone AcetonideTriamcinolone Acetonide11suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide11suppressed

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