Healthcare provider profile · identity verified

Rachael L Chambers, DO

Family Practice · HAYWARD, WI · NPI 1912976952

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 Calcium25276
LisinoprilLisinopril22070
Losartan PotassiumLosartan Potassium19449
Amlodipine BesylateAmlodipine Besylate18960
OmeprazoleOmeprazole16541
Levothyroxine SodiumLevothyroxine Sodium16045
SimvastatinSimvastatin14234
Metoprolol SuccinateMetoprolol Succinate12633
Citalopram HbrCitalopram Hydrobromide12117
Metformin HclMetformin Hcl12130
GabapentinGabapentin11532
FurosemideFurosemide10322
HydrochlorothiazideHydrochlorothiazide9933
EliquisApixaban9515
Metoprolol TartrateMetoprolol Tartrate9023
Albuterol Sulfate HfaAlbuterol Sulfate8831
LorazepamLorazepam6915
Potassium ChloridePotassium Chloride6915
Sertraline HclSertraline Hcl6714
OzempicSemaglutide62suppressed
MeloxicamMeloxicam6115
DigoxinDigoxin55suppressed
Montelukast SodiumMontelukast Sodium5215
Rosuvastatin CalciumRosuvastatin Calcium5221
Trazodone HclTrazodone Hcl5213
Carbidopa-Levodopa ErCarbidopa/Levodopa48suppressed
AllopurinolAllopurinol43suppressed
Pantoprazole SodiumPantoprazole Sodium4311
Ropinirole HclRopinirole Hcl4311
ClopidogrelClopidogrel Bisulfate4213
Tramadol HclTramadol Hcl42suppressed
Carbidopa-LevodopaCarbidopa/Levodopa41suppressed
Fluoxetine HclFluoxetine Hcl4115
Fluticasone-SalmeterolFluticasone Propion/Salmeterol41suppressed
Metformin Hcl ErMetformin Hcl40suppressed
Venlafaxine Hcl ErVenlafaxine Hcl39suppressed
FamotidineFamotidine3712
LevetiracetamLevetiracetam37suppressed
Bupropion XlBupropion Hcl36suppressed
GlimepirideGlimepiride35suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen35suppressed
AtenololAtenolol34suppressed
Tamsulosin HclTamsulosin Hcl34suppressed
Fluticasone PropionateFluticasone Propionate3315
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide33suppressed
Amitriptyline HclAmitriptyline Hcl32suppressed
SpironolactoneSpironolactone3211
CarvedilolCarvedilol31suppressed
Methadone HclMethadone Hcl31suppressed
Duloxetine HclDuloxetine Hcl2911
Trelegy ElliptaFluticasone/Umeclidin/Vilanter29suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl28suppressed
Warfarin SodiumWarfarin Sodium27suppressed
Pravastatin SodiumPravastatin Sodium26suppressed
Oxycodone HclOxycodone Hcl25suppressed
Paroxetine HclParoxetine Hcl25suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid25suppressed
EstradiolEstradiol2412
XareltoRivaroxaban24suppressed
MounjaroTirzepatide22suppressed
ChlorthalidoneChlorthalidone21suppressed
Escitalopram OxalateEscitalopram Oxalate21suppressed
LovastatinLovastatin21suppressed
BaclofenBaclofen20suppressed
EzetimibeEzetimibe20suppressed
PrednisonePrednisone20suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl19suppressed
Oxybutynin Chloride ErOxybutynin Chloride19suppressed
Quetiapine FumarateQuetiapine Fumarate19suppressed
Semglee (Yfgn) PenInsulin Glargine-Yfgn19suppressed
Spiriva HandihalerTiotropium Bromide19suppressed
CelecoxibCelecoxib17suppressed
ClonazepamClonazepam17suppressed
NaproxenNaproxen17suppressed
Donepezil HclDonepezil Hcl15suppressed
AlprazolamAlprazolam14suppressed
LamotrigineLamotrigine14suppressed
Nortriptyline HclNortriptyline Hcl14suppressed
Alendronate SodiumAlendronate Sodium13suppressed
NystatinNystatin13suppressed
Promethazine HclPromethazine Hcl13suppressed
SynthroidLevothyroxine Sodium13suppressed
TrulicityDulaglutide13suppressed
Buspirone HclBuspirone Hcl12suppressed
Diclofenac SodiumDiclofenac Sodium12suppressed
Memantine HclMemantine Hcl12suppressed
Oxybutynin ChlorideOxybutynin Chloride12suppressed
OxycontinOxycodone Hcl12suppressed
PregabalinPregabalin12suppressed
Tizanidine HclTizanidine Hcl12suppressed
IndomethacinIndomethacin11suppressed
Ketorolac TromethamineKetorolac Tromethamine11suppressed
MethocarbamolMethocarbamol11suppressed
Prenatal PlusPnv,calcium 72/Iron/Folic Acid11suppressed
Triamcinolone AcetonideTriamcinolone Acetonide11suppressed
Zolpidem TartrateZolpidem Tartrate11suppressed

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