Healthcare provider profile · identity verified

Mark H Shelley, M.D.

Family Practice · PORT ALLEGANY, PA · NPI 1336106954

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
Levothyroxine SodiumLevothyroxine Sodium106340
SpironolactoneSpironolactone76534
FurosemideFurosemide72727
Quetiapine FumarateQuetiapine Fumarate68219
LisinoprilLisinopril66333
GabapentinGabapentin55529
Potassium ChloridePotassium Chloride49124
EliquisApixaban48421
Tamsulosin HclTamsulosin Hcl46718
Isosorbide Mononitrate ErIsosorbide Mononitrate40918
Methenamine HippurateMethenamine Hippurate40719
Citalopram HbrCitalopram Hydrobromide34012
Carbidopa-LevodopaCarbidopa/Levodopa31012
Trazodone HclTrazodone Hcl28615
Sertraline HclSertraline Hcl28415
Pantoprazole SodiumPantoprazole Sodium27425
Warfarin SodiumWarfarin Sodium273suppressed
AllopurinolAllopurinol26213
CeftriaxoneCeftriaxone Sodium25458
DigoxinDigoxin24913
Metformin HclMetformin Hcl24216
HaloperidolHaloperidol237suppressed
LevetiracetamLevetiracetam236suppressed
Duloxetine HclDuloxetine Hcl216suppressed
Metoprolol SuccinateMetoprolol Succinate20113
OlanzapineOlanzapine199suppressed
Metoprolol TartrateMetoprolol Tartrate19816
LactuloseLactulose19228
LorazepamLorazepam18626
Venlafaxine Hcl ErVenlafaxine Hcl169suppressed
Losartan PotassiumLosartan Potassium161suppressed
SucralfateSucralfate158suppressed
Donepezil HclDonepezil Hcl150suppressed
Benztropine MesylateBenztropine Mesylate147suppressed
Memantine HclMemantine Hcl147suppressed
Heparin SodiumHeparin Sodium,porcine14615
AmoxicillinAmoxicillin14439
Fluoxetine HclFluoxetine Hcl144suppressed
Ciprofloxacin HclCiprofloxacin Hcl14241
CarvedilolCarvedilol141suppressed
Lidocaine HclLidocaine Hcl13953
ClopidogrelClopidogrel Bisulfate129suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav11937
LamotrigineLamotrigine109suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim10832
CreonLipase/Protease/Amylase107suppressed
Theophylline ErTheophylline Anhydrous104suppressed
Amlodipine BesylateAmlodipine Besylate103suppressed
Montelukast SodiumMontelukast Sodium103suppressed
Divalproex SodiumDivalproex Sodium100suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen9517
BaclofenBaclofen92suppressed
Ziprasidone HclZiprasidone Hcl91suppressed
Escitalopram OxalateEscitalopram Oxalate85suppressed
IbuprofenIbuprofen84suppressed
OmeprazoleOmeprazole8411
FamotidineFamotidine83suppressed
FluconazoleFluconazole8121
BumetanideBumetanide80suppressed
Paroxetine HclParoxetine Hcl76suppressed
AzithromycinAzithromycin7533
Gentamicin SulfateGentamicin Sulfate7429
Bupropion Hcl SrBupropion Hcl71suppressed
PrednisonePrednisone6816
MethotrexateMethotrexate Sodium67suppressed
AnastrozoleAnastrozole64suppressed
EnuloseLactulose64suppressed
PentoxifyllinePentoxifylline64suppressed
ClonazepamClonazepam63suppressed
MirtazapineMirtazapine61suppressed
Buspirone HclBuspirone Hcl58suppressed
Cyanocobalamin InjectionCyanocobalamin (Vitamin B-12)56suppressed
EstradiolEstradiol54suppressed
AlprazolamAlprazolam53suppressed
Isosorbide MononitrateIsosorbide Mononitrate53suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended53suppressed
CelecoxibCelecoxib52suppressed
Diltiazem 24hr ErDiltiazem Hcl52suppressed
RisperidoneRisperidone52suppressed
LantusInsulin Glargine,hum.Rec.Anlog51suppressed
ZonisamideZonisamide51suppressed
Clomipramine HclClomipramine Hcl50suppressed
Isosorbide DinitrateIsosorbide Dinitrate50suppressed
Tizanidine HclTizanidine Hcl50suppressed
TopiramateTopiramate50suppressed
Valproic AcidValproic Acid50suppressed
Megestrol AcetateMegestrol Acetate49suppressed
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate48suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen48suppressed
PrimidonePrimidone48suppressed
LubiprostoneLubiprostone47suppressed
Ondansetron HclOndansetron Hcl4722
CaplytaLumateperone Tosylate46suppressed
XareltoRivaroxaban46suppressed
Albuterol SulfateAlbuterol Sulfate4522
MetolazoneMetolazone45suppressed
Ropinirole HclRopinirole Hcl45suppressed
FentanylFentanyl44suppressed
Tramadol HclTramadol Hcl4411
Bupropion HclBupropion Hcl43suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium43suppressed
MetronidazoleMetronidazole4316
AripiprazoleAripiprazole42suppressed
Amitriptyline HclAmitriptyline Hcl39suppressed
Doxycycline HyclateDoxycycline Hyclate3920
DesloratadineDesloratadine38suppressed
Theo-24Theophylline Anhydrous37suppressed
AtenololAtenolol33suppressed
Meclizine HclMeclizine Hcl32suppressed
GlipizideGlipizide31suppressed
SulfasalazineSulfasalazine31suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa29suppressed
CephalexinCephalexin2913
Thioridazine HclThioridazine Hcl29suppressed
HydrochlorothiazideHydrochlorothiazide28suppressed
Sodium Chloride0.9 % Sodium Chloride2816
MesalamineMesalamine27suppressed
NaproxenNaproxen27suppressed
NystatinNystatin27suppressed
PregabalinPregabalin27suppressed
GlimepirideGlimepiride24suppressed
SsdSilver Sulfadiazine24suppressed
Doxepin HclDoxepin Hcl21suppressed
IvermectinIvermectin21suppressed
LatanoprostLatanoprost21suppressed
Oxycodone HclOxycodone Hcl21suppressed
Oxybutynin ChlorideOxybutynin Chloride20suppressed
NyamycNystatin19suppressed
Triamcinolone AcetonideTriamcinolone Acetonide19suppressed
Alphagan PBrimonidine Tartrate18suppressed
Incruse ElliptaUmeclidinium Bromide18suppressed
Lithium Carbonate ErLithium Carbonate18suppressed
Quetiapine Fumarate ErQuetiapine Fumarate18suppressed
Clindamycin HclClindamycin Hcl17suppressed
Dextrose 5%-0.45% NaclDextrose 5 %-0.45 % Sod Chlord17suppressed
Terazosin HclTerazosin Hcl17suppressed
Albuterol Sulfate HfaAlbuterol Sulfate16suppressed
Breo ElliptaFluticasone/Vilanterol16suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl16suppressed
Morphine Sulfate ErMorphine Sulfate16suppressed
ZenpepLipase/Protease/Amylase16suppressed
EprontiaTopiramate15suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol15suppressed
Glipizide ErGlipizide15suppressed
Nortriptyline HclNortriptyline Hcl15suppressed
ClonidineClonidine14suppressed
Haloperidol LactateHaloperidol Lactate14suppressed
Metformin Hcl ErMetformin Hcl14suppressed
Prazosin HclPrazosin Hcl14suppressed
Restasis MultidoseCyclosporine14suppressed
Ventolin HfaAlbuterol Sulfate14suppressed
Atorvastatin CalciumAtorvastatin Calcium13suppressed
CholestyramineCholestyramine (With Sugar)13suppressed
HumalogInsulin Lispro13suppressed
HydrocortisoneHydrocortisone13suppressed
ImiquimodImiquimod13suppressed
LacosamideLacosamide13suppressed
TobramycinTobramycin13suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog12suppressed
Betamethasone ValerateBetamethasone Valerate12suppressed
Clonidine HclClonidine Hcl12suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate12suppressed
Hydroxyzine HclHydroxyzine Hcl12suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst12suppressed
Novolin NInsulin Nph Human Isophane12suppressed
Fluticasone-VilanterolFluticasone/Vilanterol11suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn11suppressed
Lidocaine HclLidocaine Hcl/Pf11suppressed
MupirocinMupirocin11suppressed
Timolol MaleateTimolol Maleate11suppressed
Valproic AcidValproic Acid (As Sodium Salt)11suppressed

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