Healthcare provider profile · identity verified

Paul E. Vassil, MD

Family Practice · LITITZ, PA · NPI 1821023730

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
Amlodipine BesylateAmlodipine Besylate419114
Rosuvastatin CalciumRosuvastatin Calcium35899
GabapentinGabapentin33165
Atorvastatin CalciumAtorvastatin Calcium33095
Levothyroxine SodiumLevothyroxine Sodium33079
LisinoprilLisinopril28181
Metoprolol SuccinateMetoprolol Succinate23862
OmeprazoleOmeprazole23175
Pantoprazole SodiumPantoprazole Sodium21250
Metformin Hcl ErMetformin Hcl20348
Tamsulosin HclTamsulosin Hcl19657
Sertraline HclSertraline Hcl19046
SimvastatinSimvastatin17945
Losartan PotassiumLosartan Potassium15247
EliquisApixaban15023
LorazepamLorazepam15035
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen14623
Oxycodone HclOxycodone Hcl13622
AlprazolamAlprazolam13423
Pravastatin SodiumPravastatin Sodium13336
ClonazepamClonazepam12918
FamotidineFamotidine12228
HydrochlorothiazideHydrochlorothiazide11634
FurosemideFurosemide11438
Glipizide ErGlipizide11024
Duloxetine HclDuloxetine Hcl10932
Escitalopram OxalateEscitalopram Oxalate10830
Metformin HclMetformin Hcl10632
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide10428
GlimepirideGlimepiride10027
Alendronate SodiumAlendronate Sodium9825
Albuterol Sulfate HfaAlbuterol Sulfate9750
AllopurinolAllopurinol9523
Bupropion XlBupropion Hcl9224
CarvedilolCarvedilol9124
ClopidogrelClopidogrel Bisulfate9129
Trazodone HclTrazodone Hcl9121
Cyclobenzaprine HclCyclobenzaprine Hcl8920
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen8713
Fluticasone PropionateFluticasone Propionate8636
Doxazosin MesylateDoxazosin Mesylate8521
MirtazapineMirtazapine8519
TrulicityDulaglutide7812
Fluoxetine HclFluoxetine Hcl7618
Metoprolol TartrateMetoprolol Tartrate7123
XareltoRivaroxaban7014
Benazepril HclBenazepril Hcl6815
Montelukast SodiumMontelukast Sodium6716
Nortriptyline HclNortriptyline Hcl6411
Diltiazem 24hr Er (Cd)Diltiazem Hcl6318
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide6313
PrednisonePrednisone6225
SpironolactoneSpironolactone6220
MeloxicamMeloxicam6113
FenofibrateFenofibrate6015
Tramadol HclTramadol Hcl6019
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl59suppressed
JanuviaSitagliptin Phosphate57suppressed
Potassium ChloridePotassium Chloride5711
Venlafaxine Hcl ErVenlafaxine Hcl5712
Citalopram HbrCitalopram Hydrobromide5415
Tizanidine HclTizanidine Hcl5421
LamotrigineLamotrigine52suppressed
Azelastine HclAzelastine Hcl5029
JardianceEmpagliflozin49suppressed
BaclofenBaclofen4820
EzetimibeEzetimibe4817
Amitriptyline HclAmitriptyline Hcl47suppressed
Morphine Sulfate ErMorphine Sulfate47suppressed
FentanylFentanyl46suppressed
Glipizide-MetforminGlipizide/Metformin Hcl43suppressed
Tresiba Flextouch U-200Insulin Degludec43suppressed
Ondansetron OdtOndansetron42suppressed
Ropinirole HclRopinirole Hcl42suppressed
Zolpidem TartrateZolpidem Tartrate42suppressed
PregabalinPregabalin41suppressed
Quetiapine FumarateQuetiapine Fumarate41suppressed
Donepezil HclDonepezil Hcl40suppressed
Hydroxyzine HclHydroxyzine Hcl40suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril3913
Bupropion Hcl SrBupropion Hcl3812
Buspirone HclBuspirone Hcl3812
DiazepamDiazepam37suppressed
Verapamil ErVerapamil Hcl37suppressed
FenofibrateFenofibrate Nanocrystallized35suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr34suppressed
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide34suppressed
FinasterideFinasteride3412
TopiramateTopiramate34suppressed
CelecoxibCelecoxib3312
Clonidine HclClonidine Hcl33suppressed
AtenololAtenolol32suppressed
AmoxicillinAmoxicillin3115
Doxycycline HyclateDoxycycline Hyclate3130
Esomeprazole MagnesiumEsomeprazole Magnesium31suppressed
Memantine HclMemantine Hcl31suppressed
MetronidazoleMetronidazole3012
Pioglitazone HclPioglitazone Hcl30suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl30suppressed
Breo ElliptaFluticasone/Vilanterol29suppressed
HydrocortisoneHydrocortisone29suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter29suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2824
ChlorthalidoneChlorthalidone27suppressed
Dicyclomine HclDicyclomine Hcl27suppressed
BumetanideBumetanide26suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol26suppressed
LinzessLinaclotide26suppressed
Methadone HclMethadone Hcl26suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine24suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide24suppressed
OzempicSemaglutide24suppressed
SulindacSulindac24suppressed
TorsemideTorsemide24suppressed
Alfuzosin Hcl ErAlfuzosin Hcl23suppressed
CefdinirCefdinir2321
Amiodarone HclAmiodarone Hcl22suppressed
AzithromycinAzithromycin2219
Carbidopa-Levodopa ErCarbidopa/Levodopa22suppressed
JantovenWarfarin Sodium22suppressed
LevetiracetamLevetiracetam22suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2216
NitroglycerinNitroglycerin2217
NystatinNystatin22suppressed
TelmisartanTelmisartan22suppressed
Hydralazine HclHydralazine Hcl21suppressed
IrbesartanIrbesartan21suppressed
OnfiClobazam21suppressed
SynthroidLevothyroxine Sodium21suppressed
LidocaineLidocaine20suppressed
Doxepin HclDoxepin Hcl19suppressed
Methylphenidate HclMethylphenidate Hcl19suppressed
Bisoprolol FumarateBisoprolol Fumarate18suppressed
Diclofenac SodiumDiclofenac Sodium18suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate18suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog18suppressed
ModafinilModafinil18suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters18suppressed
Paroxetine HclParoxetine Hcl18suppressed
Propranolol Hcl ErPropranolol Hcl18suppressed
Spironolactone-HctzSpironolact/Hydrochlorothiazid18suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic18suppressed
Advair HfaFluticasone Propion/Salmeterol17suppressed
GlipizideGlipizide17suppressed
Hydromorphone HclHydromorphone Hcl17suppressed
MethylprednisoloneMethylprednisolone1713
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
EstradiolEstradiol16suppressed
Incruse ElliptaUmeclidinium Bromide16suppressed
LoperamideLoperamide Hcl16suppressed
Novolog FlexpenInsulin Aspart16suppressed
PentoxifyllinePentoxifylline16suppressed
RamiprilRamipril16suppressed
SotalolSotalol Hcl16suppressed
Acetaminophen-CodeineAcetaminophen With Codeine15suppressed
CarbamazepineCarbamazepine15suppressed
Divalproex SodiumDivalproex Sodium15suppressed
Humalog Mix 75-25 KwikpenInsulin Lispro Protamin/Lispro15suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate15suppressed
Ammonium LactateAmmonium Lactate14suppressed
AripiprazoleAripiprazole14suppressed
Benazepril-HydrochlorothiazideBenazepril/Hydrochlorothiazide14suppressed
EszopicloneEszopiclone14suppressed
FarxigaDapagliflozin Propanediol14suppressed
JanumetSitagliptin Phos/Metformin Hcl14suppressed
Janumet XrSitagliptin Phos/Metformin Hcl14suppressed
KetoconazoleKetoconazole14suppressed
MupirocinMupirocin1412
Valproic AcidValproic Acid14suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate13suppressed
Bydureon BciseExenatide Microspheres13suppressed
ClotrimazoleClotrimazole13suppressed
Hydromorphone HclHydromorphone Hcl/Pf13suppressed
Propranolol HclPropranolol Hcl13suppressed
Spiriva RespimatTiotropium Bromide13suppressed
CarisoprodolCarisoprodol12suppressed
Clindamycin HclClindamycin Hcl12suppressed
Combivent RespimatIpratropium/Albuterol Sulfate12suppressed
LevofloxacinLevofloxacin12suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic12suppressed
RoxicodoneOxycodone Hcl12suppressed
TemazepamTemazepam12suppressed
Tresiba Flextouch U-100Insulin Degludec12suppressed
Verapamil SrVerapamil Hcl12suppressed
CephalexinCephalexin11suppressed
CimetidineCimetidine11suppressed
Fluvoxamine MaleateFluvoxamine Maleate11suppressed
LactuloseLactulose11suppressed
LansoprazoleLansoprazole11suppressed
NadololNadolol11suppressed
PrimidonePrimidone11suppressed
RizatriptanRizatriptan Benzoate11suppressed
ValacyclovirValacyclovir Hcl11suppressed

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