Healthcare provider profile · identity verified

Mark R. Lentz, M.D.

Internal Medicine · DANVILLE, PA · NPI 1881655165

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 Calcium370106
Amlodipine BesylateAmlodipine Besylate31788
OmeprazoleOmeprazole26471
Losartan PotassiumLosartan Potassium25570
Rosuvastatin CalciumRosuvastatin Calcium25474
LisinoprilLisinopril25068
Levothyroxine SodiumLevothyroxine Sodium24853
HydrochlorothiazideHydrochlorothiazide18757
GabapentinGabapentin14453
Metformin Hcl ErMetformin Hcl12134
Metformin HclMetformin Hcl11732
Metoprolol SuccinateMetoprolol Succinate11333
Tramadol HclTramadol Hcl10232
Sertraline HclSertraline Hcl10126
Montelukast SodiumMontelukast Sodium9524
Oxycodone HclOxycodone Hcl9523
SpironolactoneSpironolactone9234
CarvedilolCarvedilol9127
Metoprolol TartrateMetoprolol Tartrate9025
Albuterol Sulfate HfaAlbuterol Sulfate8240
FamotidineFamotidine8122
FurosemideFurosemide8122
Warfarin SodiumWarfarin Sodium7824
Duloxetine HclDuloxetine Hcl7117
EliquisApixaban7125
Trazodone HclTrazodone Hcl7016
JardianceEmpagliflozin6716
ClopidogrelClopidogrel Bisulfate6418
AllopurinolAllopurinol6315
ValsartanValsartan6220
EzetimibeEzetimibe5917
Pantoprazole SodiumPantoprazole Sodium5920
Tamsulosin HclTamsulosin Hcl5920
AtenololAtenolol5614
Citalopram HbrCitalopram Hydrobromide5518
Alendronate SodiumAlendronate Sodium5415
Potassium ChloridePotassium Chloride5420
GlimepirideGlimepiride52suppressed
PregabalinPregabalin4617
IrbesartanIrbesartan4311
OzempicSemaglutide4115
TorsemideTorsemide4116
MirtazapineMirtazapine3911
Buspirone HclBuspirone Hcl3815
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3713
CelecoxibCelecoxib36suppressed
SimvastatinSimvastatin3612
BaclofenBaclofen35suppressed
ChlorthalidoneChlorthalidone3511
Bupropion Hcl SrBupropion Hcl33suppressed
ClonazepamClonazepam33suppressed
FinasterideFinasteride33suppressed
LorazepamLorazepam3316
Ondansetron OdtOndansetron33suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3121
ColchicineColchicine28suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl28suppressed
FluconazoleFluconazole27suppressed
JantovenWarfarin Sodium27suppressed
Novolog FlexpenInsulin Aspart27suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium26suppressed
PrednisonePrednisone2614
Venlafaxine Hcl ErVenlafaxine Hcl26suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl25suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol25suppressed
Ondansetron HclOndansetron Hcl25suppressed
AmoxicillinAmoxicillin24suppressed
Fluticasone PropionateFluticasone Propionate2412
Morphine Sulfate ErMorphine Sulfate24suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen24suppressed
Pravastatin SodiumPravastatin Sodium24suppressed
Fluoxetine HclFluoxetine Hcl23suppressed
Ropinirole HclRopinirole Hcl22suppressed
Ventolin HfaAlbuterol Sulfate22suppressed
Methadone HclMethadone Hcl20suppressed
Paroxetine HclParoxetine Hcl20suppressed
Ipratropium BromideIpratropium Bromide19suppressed
MeloxicamMeloxicam19suppressed
NitroglycerinNitroglycerin1913
Bupropion XlBupropion Hcl18suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl18suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen17suppressed
JanuviaSitagliptin Phosphate17suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate16suppressed
SynthroidLevothyroxine Sodium16suppressed
Tizanidine HclTizanidine Hcl16suppressed
DigoxinDigoxin15suppressed
MounjaroTirzepatide15suppressed
Breo ElliptaFluticasone/Vilanterol14suppressed
Escitalopram OxalateEscitalopram Oxalate14suppressed
LatanoprostLatanoprost14suppressed
Memantine HclMemantine Hcl14suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1414
NystatinNystatin14suppressed
Quetiapine FumarateQuetiapine Fumarate14suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter14suppressed
Unifine PentipsPen Needle, Diabetic14suppressed
Amitriptyline HclAmitriptyline Hcl13suppressed
Bupropion HclBupropion Hcl13suppressed
Candesartan CilexetilCandesartan Cilexetil13suppressed
Oxybutynin Chloride ErOxybutynin Chloride13suppressed
BumetanideBumetanide12suppressed
DiazepamDiazepam12suppressed
Diclofenac SodiumDiclofenac Sodium12suppressed
Klor-Con M20Potassium Chloride12suppressed
Meclizine HclMeclizine Hcl12suppressed
Olmesartan MedoxomilOlmesartan Medoxomil12suppressed
Propranolol Hcl ErPropranolol Hcl12suppressed
Pyridostigmine Bromide ErPyridostigmine Bromide12suppressed
Terazosin HclTerazosin Hcl12suppressed
GlipizideGlipizide11suppressed
Levorphanol TartrateLevorphanol Tartrate11suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide11suppressed
RepaglinideRepaglinide11suppressed
TopiramateTopiramate11suppressed

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