Healthcare provider profile · identity verified

Rick A Erdman, MD

Internal Medicine · TOMAH, WI · NPI 1952306011

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 Calcium780184
Metoprolol SuccinateMetoprolol Succinate478119
LisinoprilLisinopril42398
Metformin Hcl ErMetformin Hcl34792
Levothyroxine SodiumLevothyroxine Sodium34063
OmeprazoleOmeprazole32484
Amlodipine BesylateAmlodipine Besylate28383
EliquisApixaban21643
Rosuvastatin CalciumRosuvastatin Calcium19962
SimvastatinSimvastatin19546
Tamsulosin HclTamsulosin Hcl19253
FurosemideFurosemide16437
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide15337
ChlorthalidoneChlorthalidone13233
Losartan PotassiumLosartan Potassium12036
AllopurinolAllopurinol11329
GabapentinGabapentin10633
Duloxetine HclDuloxetine Hcl10126
Sertraline HclSertraline Hcl9618
Metoprolol TartrateMetoprolol Tartrate9427
Pantoprazole SodiumPantoprazole Sodium9320
HydrochlorothiazideHydrochlorothiazide9026
Metformin HclMetformin Hcl8720
Isosorbide Mononitrate ErIsosorbide Mononitrate8320
TrulicityDulaglutide8319
Escitalopram OxalateEscitalopram Oxalate7615
JardianceEmpagliflozin7518
GlimepirideGlimepiride7216
ClopidogrelClopidogrel Bisulfate7013
XareltoRivaroxaban7015
Memantine HclMemantine Hcl67suppressed
Venlafaxine Hcl ErVenlafaxine Hcl6717
Warfarin SodiumWarfarin Sodium6513
LamotrigineLamotrigine63suppressed
NitroglycerinNitroglycerin6341
ShingrixVaricella-Zoster Ge/As01b/Pf6346
Trazodone HclTrazodone Hcl6316
Albuterol Sulfate HfaAlbuterol Sulfate6225
FinasterideFinasteride6117
Fluoxetine HclFluoxetine Hcl6012
Quetiapine FumarateQuetiapine Fumarate56suppressed
Potassium ChloridePotassium Chloride5513
CarvedilolCarvedilol5413
Doxazosin MesylateDoxazosin Mesylate5213
Fluticasone PropionateFluticasone Propionate5027
MirtazapineMirtazapine4713
LorazepamLorazepam46suppressed
Tramadol HclTramadol Hcl4615
AtenololAtenolol44suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4215
Lantus SolostarInsulin Glargine,hum.Rec.Anlog41suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid41suppressed
FamotidineFamotidine4011
Nano 2nd Gen Pen NeedlePen Needle, Diabetic4015
OlanzapineOlanzapine38suppressed
Atropine SulfateAtropine Sulfate37suppressed
LovastatinLovastatin36suppressed
SpironolactoneSpironolactone36suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog35suppressed
PregabalinPregabalin35suppressed
Pravastatin SodiumPravastatin Sodium34suppressed
Buspirone HclBuspirone Hcl32suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl31suppressed
Oxybutynin Chloride ErOxybutynin Chloride31suppressed
Ropinirole HclRopinirole Hcl31suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3121
AripiprazoleAripiprazole30suppressed
Bupropion Hcl SrBupropion Hcl30suppressed
Benazepril HclBenazepril Hcl29suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium29suppressed
EzetimibeEzetimibe29suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn29suppressed
BumetanideBumetanide28suppressed
Paroxetine HclParoxetine Hcl28suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter28suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol27suppressed
AbrysvoRsv Vacc, Pref A And Pref B/Pf2626
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide26suppressed
Montelukast SodiumMontelukast Sodium26suppressed
PrednisonePrednisone2519
Insulin Aspart FlexpenInsulin Aspart24suppressed
MeloxicamMeloxicam24suppressed
Citalopram HbrCitalopram Hydrobromide23suppressed
Diclofenac SodiumDiclofenac Sodium23suppressed
Glipizide ErGlipizide23suppressed
SynthroidLevothyroxine Sodium23suppressed
FarxigaDapagliflozin Propanediol22suppressed
Incruse ElliptaUmeclidinium Bromide22suppressed
RamiprilRamipril22suppressed
Clonidine HclClonidine Hcl21suppressed
TenivacTetanus-Diphtheria Toxoids/Pf2121
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril20suppressed
MesalamineMesalamine20suppressed
OzempicSemaglutide20suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide20suppressed
ArexvyRsvpref3 Antigen/As01e/Pf1919
ClozapineClozapine19suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim19suppressed
Alendronate SodiumAlendronate Sodium18suppressed
CarbamazepineCarbamazepine18suppressed
Enalapril MaleateEnalapril Maleate18suppressed
Hydralazine HclHydralazine Hcl18suppressed
LevetiracetamLevetiracetam18suppressed
AlprazolamAlprazolam17suppressed
BaclofenBaclofen17suppressed
Hydroxyzine HclHydroxyzine Hcl17suppressed
Memantine Hcl ErMemantine Hcl17suppressed
Tizanidine HclTizanidine Hcl17suppressed
Zolpidem TartrateZolpidem Tartrate17suppressed
Bupropion XlBupropion Hcl16suppressed
Candesartan CilexetilCandesartan Cilexetil15suppressed
DigoxinDigoxin15suppressed
NystatinNystatin15suppressed
NystopNystatin15suppressed
TorsemideTorsemide15suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro14suppressed
Olmesartan MedoxomilOlmesartan Medoxomil14suppressed
Sumatriptan SuccinateSumatriptan Succinate14suppressed
Ventolin HfaAlbuterol Sulfate14suppressed
Balsalazide DisodiumBalsalazide Disodium13suppressed
CephalexinCephalexin13suppressed
Fluphenazine HclFluphenazine Hcl13suppressed
GlycopyrrolateGlycopyrrolate13suppressed
LoxapineLoxapine Succinate13suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters13suppressed
Raloxifene HclRaloxifene Hcl13suppressed
Semglee (Yfgn) PenInsulin Glargine-Yfgn13suppressed
ValsartanValsartan13suppressed
Dicyclomine HclDicyclomine Hcl12suppressed
Divalproex Sodium ErDivalproex Sodium12suppressed
Insulin Degludec Pen (U-100)Insulin Degludec12suppressed
IrbesartanIrbesartan12suppressed
Novolog FlexpenInsulin Aspart12suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl12suppressed
Tetracycline HclTetracycline Hcl12suppressed
TradjentaLinagliptin12suppressed
Venlafaxine HclVenlafaxine Hcl12suppressed
ClonazepamClonazepam11suppressed
Metoclopramide HclMetoclopramide Hcl11suppressed
Oxybutynin ChlorideOxybutynin Chloride11suppressed
Oxycodone HclOxycodone Hcl11suppressed
Propranolol Hcl ErPropranolol Hcl11suppressed
Terazosin HclTerazosin Hcl11suppressed
Tolterodine Tartrate ErTolterodine Tartrate11suppressed
Verapamil ErVerapamil Hcl11suppressed

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