Healthcare provider profile · identity verified

John Michael Rinker, M.D.

Internal Medicine · PONTIAC, IL · NPI 1316173636

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
Atorvastatin CalciumAtorvastatin Calcium774202
Levothyroxine SodiumLevothyroxine Sodium661131
Metoprolol SuccinateMetoprolol Succinate40684
LisinoprilLisinopril376106
Amlodipine BesylateAmlodipine Besylate369100
FurosemideFurosemide36065
GabapentinGabapentin35380
SimvastatinSimvastatin31894
OmeprazoleOmeprazole31186
AlprazolamAlprazolam28967
Losartan PotassiumLosartan Potassium27077
Rosuvastatin CalciumRosuvastatin Calcium26475
Pantoprazole SodiumPantoprazole Sodium25550
Potassium ChloridePotassium Chloride24536
Metformin HclMetformin Hcl22865
JardianceEmpagliflozin22557
Donepezil HclDonepezil Hcl21227
HydrochlorothiazideHydrochlorothiazide20259
ClopidogrelClopidogrel Bisulfate19034
Duloxetine HclDuloxetine Hcl18118
Escitalopram OxalateEscitalopram Oxalate17852
EliquisApixaban14830
Sertraline HclSertraline Hcl14740
Warfarin SodiumWarfarin Sodium14537
Tamsulosin HclTamsulosin Hcl14239
Albuterol Sulfate HfaAlbuterol Sulfate14148
Metformin Hcl ErMetformin Hcl14144
AllopurinolAllopurinol13935
Enalapril MaleateEnalapril Maleate13737
SpironolactoneSpironolactone12936
Tramadol HclTramadol Hcl11949
CarvedilolCarvedilol11826
Lantus SolostarInsulin Glargine,hum.Rec.Anlog11832
Trazodone HclTrazodone Hcl10632
Metoprolol TartrateMetoprolol Tartrate10432
LorazepamLorazepam10321
Fluticasone PropionateFluticasone Propionate10235
Memantine HclMemantine Hcl10214
OzempicSemaglutide10121
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen9430
EzetimibeEzetimibe9230
Montelukast SodiumMontelukast Sodium9127
Alendronate SodiumAlendronate Sodium8724
Fluticasone-SalmeterolFluticasone Propion/Salmeterol8721
Triamcinolone AcetonideTriamcinolone Acetonide7836
Pravastatin SodiumPravastatin Sodium7723
Quetiapine FumarateQuetiapine Fumarate77suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide7625
AtenololAtenolol7320
PregabalinPregabalin7220
Bupropion XlBupropion Hcl7017
AbrysvoRsv Vacc, Pref A And Pref B/Pf6666
IbuprofenIbuprofen6319
Paroxetine HclParoxetine Hcl6315
CephalexinCephalexin6122
GlimepirideGlimepiride5818
Pramipexole DihydrochloridePramipexole Di-Hcl5814
XareltoRivaroxaban5815
GlipizideGlipizide5712
MeloxicamMeloxicam5720
Zolpidem TartrateZolpidem Tartrate5715
Citalopram HbrCitalopram Hydrobromide5520
MirtazapineMirtazapine5511
Diltiazem 24hr Er (Cd)Diltiazem Hcl5311
PrednisonePrednisone5339
AripiprazoleAripiprazole5214
FenofibrateFenofibrate Nanocrystallized5217
JanuviaSitagliptin Phosphate52suppressed
TrulicityDulaglutide51suppressed
Doxepin HclDoxepin Hcl41suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim4027
Tresiba Flextouch U-100Insulin Degludec40suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic4015
AzithromycinAzithromycin3933
ClonazepamClonazepam39suppressed
JantovenWarfarin Sodium39suppressed
FenofibrateFenofibrate38suppressed
Hydroxyzine HclHydroxyzine Hcl38suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium37suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl3621
Klor-Con M20Potassium Chloride3615
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3413
BumetanideBumetanide32suppressed
Fluoxetine HclFluoxetine Hcl3213
CelecoxibCelecoxib3111
NaproxenNaproxen31suppressed
Ropinirole HclRopinirole Hcl31suppressed
Venlafaxine Hcl ErVenlafaxine Hcl31suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3028
NystatinNystatin3018
SymbicortBudesonide/Formoterol Fumarate30suppressed
Ondansetron HclOndansetron Hcl2919
ShingrixVaricella-Zoster Ge/As01b/Pf2921
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril28suppressed
IrbesartanIrbesartan28suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog27suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac2727
TorsemideTorsemide27suppressed
ValacyclovirValacyclovir Hcl2711
Glipizide ErGlipizide26suppressed
Incruse ElliptaUmeclidinium Bromide26suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid26suppressed
Hydralazine HclHydralazine Hcl25suppressed
Ondansetron OdtOndansetron25suppressed
PrimidonePrimidone25suppressed
LevetiracetamLevetiracetam24suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2420
TemazepamTemazepam24suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate23suppressed
Olmesartan MedoxomilOlmesartan Medoxomil23suppressed
Spiriva HandihalerTiotropium Bromide23suppressed
SucralfateSucralfate23suppressed
Amitriptyline HclAmitriptyline Hcl22suppressed
LansoprazoleLansoprazole22suppressed
MyrbetriqMirabegron22suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide22suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine21suppressed
Ventolin HfaAlbuterol Sulfate2111
Wixela InhubFluticasone Propion/Salmeterol21suppressed
Doxycycline HyclateDoxycycline Hyclate20suppressed
Midodrine HclMidodrine Hcl20suppressed
MounjaroTirzepatide19suppressed
Acebutolol HclAcebutolol Hcl18suppressed
Bupropion Hcl SrBupropion Hcl18suppressed
Dropsafe Prep PadsAlcohol Antiseptic Pads18suppressed
FamotidineFamotidine18suppressed
LantusInsulin Glargine,hum.Rec.Anlog18suppressed
LoperamideLoperamide Hcl18suppressed
LovastatinLovastatin18suppressed
Oxybutynin Chloride ErOxybutynin Chloride18suppressed
Propranolol HclPropranolol Hcl18suppressed
Benazepril HclBenazepril Hcl17suppressed
Meclizine HclMeclizine Hcl17suppressed
ArexvyRsvpref3 Antigen/As01e/Pf1616
Propranolol Hcl ErPropranolol Hcl16suppressed
RamiprilRamipril16suppressed
LacosamideLacosamide15suppressed
LinzessLinaclotide15suppressed
Pioglitazone HclPioglitazone Hcl15suppressed
TravoprostTravoprost15suppressed
AcyclovirAcyclovir14suppressed
FarxigaDapagliflozin Propanediol14suppressed
FinasterideFinasteride14suppressed
LatanoprostLatanoprost14suppressed
Novolog FlexpenInsulin Aspart14suppressed
PaxlovidNirmatrelvir/Ritonavir1414
PentoxifyllinePentoxifylline14suppressed
SynthroidLevothyroxine Sodium14suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter14suppressed
ValsartanValsartan14suppressed
BaclofenBaclofen13suppressed
EstradiolEstradiol13suppressed
Fosinopril SodiumFosinopril Sodium13suppressed
Nifedipine ErNifedipine13suppressed
Spiriva RespimatTiotropium Bromide13suppressed
Carbidopa-LevodopaCarbidopa/Levodopa12suppressed
Clonidine HclClonidine Hcl12suppressed
DigoxinDigoxin12suppressed
Easy Touch Alcohol Prep PadsAlcohol Antiseptic Pads12suppressed
GemfibrozilGemfibrozil12suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic12suppressed
Oxybutynin ChlorideOxybutynin Chloride12suppressed
Tizanidine HclTizanidine Hcl12suppressed
MetolazoneMetolazone11suppressed
NabumetoneNabumetone11suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen11suppressed

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