Healthcare provider profile · identity verified

Michael Richman, M.D.

Internal Medicine · CHICAGO, IL · NPI 1033452966

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 Calcium28194
Amlodipine BesylateAmlodipine Besylate20068
EliquisApixaban11534
Losartan PotassiumLosartan Potassium9537
Metoprolol SuccinateMetoprolol Succinate9236
Pantoprazole SodiumPantoprazole Sodium9234
CarvedilolCarvedilol9036
AllopurinolAllopurinol8929
FurosemideFurosemide8642
SpironolactoneSpironolactone8431
Tamsulosin HclTamsulosin Hcl8235
OzempicSemaglutide7521
GabapentinGabapentin6931
JardianceEmpagliflozin6625
Potassium ChloridePotassium Chloride6623
Levothyroxine SodiumLevothyroxine Sodium6423
TorsemideTorsemide5921
Trelegy ElliptaFluticasone/Umeclidin/Vilanter5913
LisinoprilLisinopril5617
Albuterol Sulfate HfaAlbuterol Sulfate5427
Fluticasone PropionateFluticasone Propionate5326
Hydralazine HclHydralazine Hcl4720
Alendronate SodiumAlendronate Sodium4412
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4212
Metformin HclMetformin Hcl4221
XareltoRivaroxaban4012
OmeprazoleOmeprazole3711
Rosuvastatin CalciumRosuvastatin Calcium3713
Diclofenac SodiumDiclofenac Sodium3515
Metoprolol TartrateMetoprolol Tartrate35suppressed
ClopidogrelClopidogrel Bisulfate3413
Memantine HclMemantine Hcl33suppressed
EntrestoSacubitril/Valsartan3111
Meclizine HclMeclizine Hcl31suppressed
Donepezil HclDonepezil Hcl2811
Duloxetine HclDuloxetine Hcl2813
Escitalopram OxalateEscitalopram Oxalate28suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate2711
Warfarin SodiumWarfarin Sodium2712
FarxigaDapagliflozin Propanediol25suppressed
SimvastatinSimvastatin24suppressed
HydrocortisoneHydrocortisone23suppressed
PrednisonePrednisone2314
FinasterideFinasteride22suppressed
Montelukast SodiumMontelukast Sodium22suppressed
Nifedipine ErNifedipine22suppressed
Amiodarone HclAmiodarone Hcl21suppressed
Acetaminophen-CodeineAcetaminophen With Codeine2013
DigoxinDigoxin20suppressed
LactuloseLactulose20suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog20suppressed
Trazodone HclTrazodone Hcl20suppressed
FamotidineFamotidine17suppressed
LevetiracetamLevetiracetam17suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1712
Tramadol HclTramadol Hcl16suppressed
Ventolin HfaAlbuterol Sulfate16suppressed
IrbesartanIrbesartan15suppressed
MirtazapineMirtazapine15suppressed
MounjaroTirzepatide15suppressed
Sertraline HclSertraline Hcl15suppressed
ValsartanValsartan15suppressed
HydrochlorothiazideHydrochlorothiazide14suppressed
VyndaqelTafamidis Meglumine14suppressed
IbuprofenIbuprofen13suppressed
Ondansetron HclOndansetron Hcl13suppressed
FluocinonideFluocinonide12suppressed
LidocaineLidocaine12suppressed
Metformin Hcl ErMetformin Hcl12suppressed
Dropsafe Prep PadsAlcohol Antiseptic Pads11suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic11suppressed
Varenicline TartrateVarenicline Tartrate11suppressed
Vitamin D2Ergocalciferol (Vitamin D2)11suppressed

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