Healthcare provider profile · identity verified

Randolph E. Schumacher, M.D.

Internal Medicine · FLINT, MI · NPI 1912002999

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 Calcium16675
Levothyroxine SodiumLevothyroxine Sodium13564
Amlodipine BesylateAmlodipine Besylate11847
LisinoprilLisinopril11150
EliquisApixaban8524
Losartan PotassiumLosartan Potassium8434
Potassium ChloridePotassium Chloride8020
Metoprolol TartrateMetoprolol Tartrate7834
ClopidogrelClopidogrel Bisulfate7422
Tamsulosin HclTamsulosin Hcl7227
OmeprazoleOmeprazole6637
Metformin HclMetformin Hcl6436
Pantoprazole SodiumPantoprazole Sodium6221
SimvastatinSimvastatin5831
Duloxetine HclDuloxetine Hcl4518
Divalproex Sodium ErDivalproex Sodium44suppressed
Nifedipine ErNifedipine3916
Sertraline HclSertraline Hcl3814
Donepezil HclDonepezil Hcl3718
Oxybutynin ChlorideOxybutynin Chloride36suppressed
RisperidoneRisperidone35suppressed
FurosemideFurosemide3320
Buspirone HclBuspirone Hcl32suppressed
Doxazosin MesylateDoxazosin Mesylate32suppressed
Clonidine HclClonidine Hcl31suppressed
BumetanideBumetanide30suppressed
MeloxicamMeloxicam30suppressed
Trazodone HclTrazodone Hcl3015
AllopurinolAllopurinol2911
PhenytoinPhenytoin28suppressed
FamotidineFamotidine2713
Metoprolol SuccinateMetoprolol Succinate2615
AtenololAtenolol24suppressed
HydrochlorothiazideHydrochlorothiazide2411
Isosorbide Mononitrate ErIsosorbide Mononitrate24suppressed
LactuloseLactulose24suppressed
Montelukast SodiumMontelukast Sodium2412
Ropinirole HclRopinirole Hcl23suppressed
Bupropion XlBupropion Hcl20suppressed
Hydralazine HclHydralazine Hcl2011
Memantine HclMemantine Hcl20suppressed
PhenytekPhenytoin Sodium Extended20suppressed
Carbamazepine ErCarbamazepine19suppressed
Albuterol Sulfate HfaAlbuterol Sulfate1811
Divalproex SodiumDivalproex Sodium18suppressed
MirtazapineMirtazapine18suppressed
Fluticasone PropionateFluticasone Propionate17suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
OxcarbazepineOxcarbazepine17suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads16suppressed
AptiomEslicarbazepine Acetate16suppressed
BaclofenBaclofen15suppressed
Escitalopram OxalateEscitalopram Oxalate15suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium15suppressed
LevetiracetamLevetiracetam15suppressed
Quetiapine FumarateQuetiapine Fumarate15suppressed
XareltoRivaroxaban15suppressed
Dicyclomine HclDicyclomine Hcl14suppressed
Ranolazine ErRanolazine14suppressed
Ventolin HfaAlbuterol Sulfate14suppressed
Citalopram HbrCitalopram Hydrobromide13suppressed
Humalog Kwikpen U-100Insulin Lispro13suppressed
JanuviaSitagliptin Phosphate13suppressed
Paroxetine HclParoxetine Hcl13suppressed
Amiodarone HclAmiodarone Hcl12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
GabapentinGabapentin12suppressed
Pravastatin SodiumPravastatin Sodium12suppressed
TrulicityDulaglutide12suppressed
Alendronate SodiumAlendronate Sodium11suppressed
Bethanechol ChlorideBethanechol Chloride11suppressed
CarvedilolCarvedilol11suppressed
ChlorthalidoneChlorthalidone11suppressed
GlipizideGlipizide11suppressed
IbuprofenIbuprofen11suppressed
LamotrigineLamotrigine11suppressed
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