Healthcare provider profile · identity verified

Robert Ryan Riech, M.D., MPH

Internal Medicine · CHILLICOTHE, IL · NPI 1437225935

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 Calcium654207
Amlodipine BesylateAmlodipine Besylate429121
Losartan PotassiumLosartan Potassium31889
Levothyroxine SodiumLevothyroxine Sodium29186
LisinoprilLisinopril25584
OmeprazoleOmeprazole24174
Rosuvastatin CalciumRosuvastatin Calcium18860
HydrochlorothiazideHydrochlorothiazide18558
Metformin HclMetformin Hcl12645
Sertraline HclSertraline Hcl12148
GabapentinGabapentin11944
Metoprolol TartrateMetoprolol Tartrate10222
Tramadol HclTramadol Hcl10033
SimvastatinSimvastatin8932
Pantoprazole SodiumPantoprazole Sodium8826
EliquisApixaban8519
OzempicSemaglutide8217
Metoprolol SuccinateMetoprolol Succinate8123
Tamsulosin HclTamsulosin Hcl8131
JardianceEmpagliflozin7724
FamotidineFamotidine7519
Alendronate SodiumAlendronate Sodium6917
GlimepirideGlimepiride6521
Escitalopram OxalateEscitalopram Oxalate6428
Metformin Hcl ErMetformin Hcl6423
ClopidogrelClopidogrel Bisulfate6217
Duloxetine HclDuloxetine Hcl6226
AlprazolamAlprazolam6015
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril5818
FurosemideFurosemide5618
Montelukast SodiumMontelukast Sodium5618
Trazodone HclTrazodone Hcl5628
Buspirone HclBuspirone Hcl5322
LovastatinLovastatin5319
Albuterol Sulfate HfaAlbuterol Sulfate4826
Fluticasone PropionateFluticasone Propionate4523
Venlafaxine Hcl ErVenlafaxine Hcl4415
Potassium ChloridePotassium Chloride4113
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4023
Pioglitazone HclPioglitazone Hcl4013
MeloxicamMeloxicam3915
SpironolactoneSpironolactone3811
Fluoxetine HclFluoxetine Hcl3613
LorazepamLorazepam3520
AllopurinolAllopurinol3413
CarvedilolCarvedilol3412
Bupropion XlBupropion Hcl3213
Glipizide ErGlipizide3111
Pravastatin SodiumPravastatin Sodium3011
Warfarin SodiumWarfarin Sodium3011
Benazepril HclBenazepril Hcl28suppressed
XareltoRivaroxaban26suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl2511
Divalproex SodiumDivalproex Sodium24suppressed
IrbesartanIrbesartan24suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide24suppressed
CarbamazepineCarbamazepine22suppressed
Donepezil HclDonepezil Hcl22suppressed
Paroxetine HclParoxetine Hcl22suppressed
SynthroidLevothyroxine Sodium22suppressed
Ropinirole HclRopinirole Hcl21suppressed
AtenololAtenolol20suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl20suppressed
FinasterideFinasteride20suppressed
HydrocortisoneHydrocortisone20suppressed
ValsartanValsartan20suppressed
Oxybutynin ChlorideOxybutynin Chloride19suppressed
Oxycodone HclOxycodone Hcl18suppressed
Tizanidine HclTizanidine Hcl1811
LyumjevInsulin Lispro-Aabc16suppressed
Olmesartan MedoxomilOlmesartan Medoxomil16suppressed
Zolpidem TartrateZolpidem Tartrate16suppressed
Amitriptyline HclAmitriptyline Hcl15suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog15suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide15suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate14suppressed
CephalexinCephalexin1411
Isosorbide Mononitrate ErIsosorbide Mononitrate14suppressed
PregabalinPregabalin14suppressed
Triamcinolone AcetonideTriamcinolone Acetonide14suppressed
CelecoxibCelecoxib13suppressed
Citalopram HbrCitalopram Hydrobromide13suppressed
ClonazepamClonazepam13suppressed
SymbicortBudesonide/Formoterol Fumarate13suppressed
Doxycycline MonohydrateDoxycycline Monohydrate12suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol12suppressed
Sumatriptan SuccinateSumatriptan Succinate12suppressed
Tobramycin-DexamethasoneTobramycin/Dexamethasone12suppressed
PrednisonePrednisone11suppressed

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