Healthcare provider profile · identity verified

Mark Capkin, MD

Internal Medicine · PHILADELPHIA, PA · NPI 1114994258

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 Besylate635173
Atorvastatin CalciumAtorvastatin Calcium623184
GabapentinGabapentin31071
Losartan PotassiumLosartan Potassium29178
Albuterol Sulfate HfaAlbuterol Sulfate29063
HydrochlorothiazideHydrochlorothiazide27674
Pantoprazole SodiumPantoprazole Sodium26769
LisinoprilLisinopril26068
Metformin HclMetformin Hcl25773
Nifedipine ErNifedipine23454
OmeprazoleOmeprazole21854
Montelukast SodiumMontelukast Sodium17037
FurosemideFurosemide16544
Metoprolol SuccinateMetoprolol Succinate16143
Levothyroxine SodiumLevothyroxine Sodium15841
Fluticasone PropionateFluticasone Propionate15740
Metoprolol TartrateMetoprolol Tartrate14835
EliquisApixaban14729
CarvedilolCarvedilol13636
Potassium ChloridePotassium Chloride13637
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen11717
ClopidogrelClopidogrel Bisulfate10028
Pravastatin SodiumPravastatin Sodium10026
Warfarin SodiumWarfarin Sodium9217
Rosuvastatin CalciumRosuvastatin Calcium8925
SimvastatinSimvastatin8623
FamotidineFamotidine7819
Tamsulosin HclTamsulosin Hcl7832
Hydralazine HclHydralazine Hcl7520
EzetimibeEzetimibe7422
Lantus SolostarInsulin Glargine,hum.Rec.Anlog7123
Trazodone HclTrazodone Hcl7016
BaclofenBaclofen69suppressed
TrulicityDulaglutide6712
SpironolactoneSpironolactone6419
PregabalinPregabalin60suppressed
Glipizide ErGlipizide5913
Escitalopram OxalateEscitalopram Oxalate5812
AtenololAtenolol5411
Novolog FlexpenInsulin Aspart5313
Tramadol HclTramadol Hcl5312
IbuprofenIbuprofen5016
Oxycodone HclOxycodone Hcl50suppressed
KetoconazoleKetoconazole47suppressed
LevetiracetamLevetiracetam47suppressed
PrednisonePrednisone4718
Sertraline HclSertraline Hcl47suppressed
AllopurinolAllopurinol4614
LorazepamLorazepam46suppressed
RisperidoneRisperidone46suppressed
Diclofenac SodiumDiclofenac Sodium4519
Alendronate SodiumAlendronate Sodium44suppressed
AlprazolamAlprazolam4413
Duloxetine HclDuloxetine Hcl44suppressed
JanuviaSitagliptin Phosphate4411
Cyclobenzaprine HclCyclobenzaprine Hcl4212
XareltoRivaroxaban42suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate4012
SynthroidLevothyroxine Sodium40suppressed
EndocetOxycodone Hcl/Acetaminophen39suppressed
JardianceEmpagliflozin38suppressed
BumetanideBumetanide3712
Betamethasone DipropionateBetamethasone Dipropionate3613
Fluticasone-SalmeterolFluticasone Propion/Salmeterol36suppressed
ClonazepamClonazepam35suppressed
NaproxenNaproxen35suppressed
Droplet Pen NeedlePen Needle, Diabetic33suppressed
LansoprazoleLansoprazole32suppressed
MeloxicamMeloxicam32suppressed
Meclizine HclMeclizine Hcl31suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic3011
Oxybutynin ChlorideOxybutynin Chloride30suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid29suppressed
ValsartanValsartan28suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads27suppressed
Zolpidem TartrateZolpidem Tartrate27suppressed
LovastatinLovastatin26suppressed
CelecoxibCelecoxib25suppressed
ChlorthalidoneChlorthalidone25suppressed
ColchicineColchicine25suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic25suppressed
Donepezil HclDonepezil Hcl24suppressed
OzempicSemaglutide24suppressed
TradjentaLinagliptin24suppressed
FarxigaDapagliflozin Propanediol23suppressed
GlipizideGlipizide23suppressed
Clonidine HclClonidine Hcl22suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide22suppressed
Enalapril MaleateEnalapril Maleate21suppressed
Mycophenolate MofetilMycophenolate Mofetil21suppressed
ClotrimazoleClotrimazole20suppressed
LatanoprostLatanoprost20suppressed
Rabeprazole SodiumRabeprazole Sodium20suppressed
Ammonium LactateAmmonium Lactate19suppressed
AcyclovirAcyclovir18suppressed
AmoxicillinAmoxicillin1813
Advair HfaFluticasone Propion/Salmeterol17suppressed
FinasterideFinasteride17suppressed
MyrbetriqMirabegron17suppressed
Nortriptyline HclNortriptyline Hcl17suppressed
Azelastine HclAzelastine Hcl16suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate16suppressed
Hydroxyzine HclHydroxyzine Hcl16suppressed
Ventolin HfaAlbuterol Sulfate16suppressed
Amitriptyline HclAmitriptyline Hcl15suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl15suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide15suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril14suppressed
Citalopram HbrCitalopram Hydrobromide14suppressed
Midodrine HclMidodrine Hcl14suppressed
Ondansetron HclOndansetron Hcl14suppressed
Oxybutynin Chloride ErOxybutynin Chloride14suppressed
Tizanidine HclTizanidine Hcl14suppressed
AzithromycinAzithromycin1312
EntrestoSacubitril/Valsartan13suppressed
HydrocortisoneHydrocortisone13suppressed
Incruse ElliptaUmeclidinium Bromide13suppressed
Medroxyprogesterone AcetateMedroxyprogesterone Acetate13suppressed
Metformin Hcl ErMetformin Hcl13suppressed
ModafinilModafinil13suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst13suppressed
Humulin 70/30 KwikpenInsulin Nph Hum/Reg Insulin Hm12suppressed
Memantine HclMemantine Hcl12suppressed
Paroxetine HclParoxetine Hcl12suppressed
Sumatriptan SuccinateSumatriptan Succinate12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
Humalog Kwikpen U-100Insulin Lispro11suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate11suppressed
LetrozoleLetrozole11suppressed
LoperamideLoperamide Hcl11suppressed
OxycontinOxycodone Hcl11suppressed
Sildenafil CitrateSildenafil Citrate11suppressed

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