Healthcare provider profile · identity verified

Mark Montefolka, MD

Family Practice · PEORIA HEIGHTS, IL · NPI 1114026754

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
Losartan PotassiumLosartan Potassium24064
Levothyroxine SodiumLevothyroxine Sodium19349
Amlodipine BesylateAmlodipine Besylate14446
Metoprolol SuccinateMetoprolol Succinate12936
Metformin HclMetformin Hcl12744
SimvastatinSimvastatin11838
Atorvastatin CalciumAtorvastatin Calcium11337
Montelukast SodiumMontelukast Sodium11141
Escitalopram OxalateEscitalopram Oxalate10834
Rosuvastatin CalciumRosuvastatin Calcium10029
LisinoprilLisinopril9631
PrednisonePrednisone8666
Tramadol HclTramadol Hcl8520
HydrochlorothiazideHydrochlorothiazide8429
Alendronate SodiumAlendronate Sodium7116
Albuterol Sulfate HfaAlbuterol Sulfate6831
AzithromycinAzithromycin6658
OmeprazoleOmeprazole6417
EliquisApixaban6313
FurosemideFurosemide6015
Tamsulosin HclTamsulosin Hcl5821
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5619
Metformin Hcl ErMetformin Hcl5616
Zolpidem TartrateZolpidem Tartrate5611
Cyclobenzaprine HclCyclobenzaprine Hcl5515
FamotidineFamotidine5420
MeloxicamMeloxicam5420
GabapentinGabapentin5023
Lantus SolostarInsulin Glargine,hum.Rec.Anlog46suppressed
Oxybutynin Chloride ErOxybutynin Chloride4512
CefdinirCefdinir4438
OzempicSemaglutide40suppressed
Ciprofloxacin HclCiprofloxacin Hcl3735
CephalexinCephalexin3531
AllopurinolAllopurinol3411
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen3418
Doxycycline MonohydrateDoxycycline Monohydrate3330
Metoprolol TartrateMetoprolol Tartrate3312
Triamcinolone AcetonideTriamcinolone Acetonide3326
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3212
ClopidogrelClopidogrel Bisulfate30suppressed
JanuviaSitagliptin Phosphate30suppressed
Sertraline HclSertraline Hcl30suppressed
CarvedilolCarvedilol28suppressed
TradjentaLinagliptin28suppressed
LinzessLinaclotide27suppressed
Pantoprazole SodiumPantoprazole Sodium27suppressed
Citalopram HbrCitalopram Hydrobromide26suppressed
Dicyclomine HclDicyclomine Hcl23suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl23suppressed
Bupropion XlBupropion Hcl22suppressed
Clonidine HclClonidine Hcl22suppressed
Donepezil HclDonepezil Hcl21suppressed
FluconazoleFluconazole2112
Potassium ChloridePotassium Chloride20suppressed
Warfarin SodiumWarfarin Sodium20suppressed
FenofibrateFenofibrate Nanocrystallized19suppressed
GlyburideGlyburide18suppressed
JardianceEmpagliflozin18suppressed
Pravastatin SodiumPravastatin Sodium18suppressed
SpironolactoneSpironolactone18suppressed
Terbinafine HclTerbinafine Hcl1812
FinasterideFinasteride17suppressed
GlipizideGlipizide17suppressed
MirtazapineMirtazapine17suppressed
Glipizide ErGlipizide16suppressed
Ipratropium BromideIpratropium Bromide1613
AcyclovirAcyclovir15suppressed
FamciclovirFamciclovir15suppressed
Sildenafil CitrateSildenafil Citrate15suppressed
Diclofenac SodiumDiclofenac Sodium14suppressed
Ondansetron OdtOndansetron14suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl14suppressed
Trazodone HclTrazodone Hcl14suppressed
Adderall XrDextroamphetamine/Amphetamine13suppressed
MinoxidilMinoxidil13suppressed
PregabalinPregabalin13suppressed
Propranolol Hcl ErPropranolol Hcl13suppressed
Amitriptyline HclAmitriptyline Hcl12suppressed
Breo ElliptaFluticasone/Vilanterol12suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol12suppressed
Midodrine HclMidodrine Hcl12suppressed
PaxlovidNirmatrelvir/Ritonavir1212
AlprazolamAlprazolam11suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril11suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1111
Arnuity ElliptaFluticasone Furoate11suppressed
BaclofenBaclofen11suppressed
Benazepril HclBenazepril Hcl11suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa11suppressed
EstradiolEstradiol11suppressed
EzetimibeEzetimibe11suppressed
GlimepirideGlimepiride11suppressed
Promethazine HclPromethazine 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