Healthcare provider profile · identity verified

Brian C Yocks, M.D.

Family Practice · MONTICELLO, IL · NPI 1811954878

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 Sodium27371
Atorvastatin CalciumAtorvastatin Calcium22163
Losartan PotassiumLosartan Potassium21057
Amlodipine BesylateAmlodipine Besylate18452
HydrochlorothiazideHydrochlorothiazide16142
LisinoprilLisinopril14943
Pantoprazole SodiumPantoprazole Sodium14439
SimvastatinSimvastatin13637
OmeprazoleOmeprazole12630
Tamsulosin HclTamsulosin Hcl12239
Tramadol HclTramadol Hcl12028
Metoprolol SuccinateMetoprolol Succinate11032
Rosuvastatin CalciumRosuvastatin Calcium10632
Metformin Hcl ErMetformin Hcl9930
Sertraline HclSertraline Hcl9824
MeloxicamMeloxicam9234
GabapentinGabapentin8721
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen8521
Montelukast SodiumMontelukast Sodium8426
Zolpidem TartrateZolpidem Tartrate8417
Azelastine HclAzelastine Hcl7229
Metformin HclMetformin Hcl6616
CarvedilolCarvedilol6420
OzempicSemaglutide62suppressed
JanuviaSitagliptin Phosphate6018
Citalopram HbrCitalopram Hydrobromide5914
Escitalopram OxalateEscitalopram Oxalate5618
Albuterol Sulfate HfaAlbuterol Sulfate5120
Duloxetine HclDuloxetine Hcl4813
Pravastatin SodiumPravastatin Sodium4713
AllopurinolAllopurinol4413
GlimepirideGlimepiride4114
Potassium ChloridePotassium Chloride4113
Fluoxetine HclFluoxetine Hcl38suppressed
Fluticasone PropionateFluticasone Propionate3714
ClonazepamClonazepam36suppressed
ClopidogrelClopidogrel Bisulfate3513
Metoprolol TartrateMetoprolol Tartrate35suppressed
AlprazolamAlprazolam34suppressed
Ropinirole HclRopinirole Hcl34suppressed
Trazodone HclTrazodone Hcl34suppressed
JardianceEmpagliflozin33suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog31suppressed
SynthroidLevothyroxine Sodium30suppressed
Donepezil HclDonepezil Hcl29suppressed
Paroxetine HclParoxetine Hcl28suppressed
Pioglitazone HclPioglitazone Hcl2811
AripiprazoleAripiprazole26suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide26suppressed
BaclofenBaclofen25suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog24suppressed
CelecoxibCelecoxib24suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol24suppressed
FurosemideFurosemide24suppressed
SymbicortBudesonide/Formoterol Fumarate24suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid23suppressed
MounjaroTirzepatide22suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen21suppressed
AtenololAtenolol20suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl20suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide20suppressed
Buspirone HclBuspirone Hcl19suppressed
Ondansetron HclOndansetron Hcl1911
Oxybutynin Chloride ErOxybutynin Chloride19suppressed
Verapamil ErVerapamil Hcl18suppressed
Warfarin SodiumWarfarin Sodium18suppressed
Doxazosin MesylateDoxazosin Mesylate17suppressed
AzithromycinAzithromycin1616
EliquisApixaban16suppressed
PrednisonePrednisone16suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1513
FenofibrateFenofibrate Nanocrystallized15suppressed
Testosterone CypionateTestosterone Cypionate15suppressed
EzetimibeEzetimibe14suppressed
Memantine HclMemantine Hcl14suppressed
NabumetoneNabumetone14suppressed
TestosteroneTestosterone14suppressed
Alendronate SodiumAlendronate Sodium13suppressed
Bupropion Hcl SrBupropion Hcl13suppressed
FamotidineFamotidine13suppressed
IrbesartanIrbesartan13suppressed
MirtazapineMirtazapine13suppressed
SpironolactoneSpironolactone13suppressed
Dicyclomine HclDicyclomine Hcl12suppressed
Doxycycline MonohydrateDoxycycline Monohydrate12suppressed
FluconazoleFluconazole12suppressed
LansoprazoleLansoprazole12suppressed
LorazepamLorazepam12suppressed
LovastatinLovastatin12suppressed
Naratriptan HclNaratriptan Hcl12suppressed
OxcarbazepineOxcarbazepine12suppressed
Verapamil SrVerapamil Hcl12suppressed
Alfuzosin Hcl ErAlfuzosin Hcl11suppressed
CephalexinCephalexin11suppressed
CholestyramineCholestyramine (With Sugar)11suppressed
Clobetasol PropionateClobetasol Propionate11suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium11suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst11suppressed
Novolog FlexpenInsulin Aspart11suppressed
TopiramateTopiramate11suppressed
Triamcinolone AcetonideTriamcinolone Acetonide11suppressed

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