Healthcare provider profile · identity verified

Marilyn Halder, M.D.

Family Practice · SALEM, OR · NPI 1619138351

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 Calcium546143
Levothyroxine SodiumLevothyroxine Sodium484103
Amlodipine BesylateAmlodipine Besylate405115
LisinoprilLisinopril33996
Losartan PotassiumLosartan Potassium29285
OmeprazoleOmeprazole28281
GabapentinGabapentin26069
HydrochlorothiazideHydrochlorothiazide21257
Metoprolol SuccinateMetoprolol Succinate21256
Alendronate SodiumAlendronate Sodium20746
FurosemideFurosemide18444
Escitalopram OxalateEscitalopram Oxalate17743
Pravastatin SodiumPravastatin Sodium15941
Sertraline HclSertraline Hcl15431
EliquisApixaban14826
Fluoxetine HclFluoxetine Hcl14731
Trazodone HclTrazodone Hcl14236
Albuterol Sulfate HfaAlbuterol Sulfate13758
Citalopram HbrCitalopram Hydrobromide13736
Potassium ChloridePotassium Chloride12131
SimvastatinSimvastatin10931
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen10135
Metformin Hcl ErMetformin Hcl10132
Metformin HclMetformin Hcl9630
Pantoprazole SodiumPantoprazole Sodium9626
Donepezil HclDonepezil Hcl8818
LovastatinLovastatin8722
Tramadol HclTramadol Hcl8735
Rosuvastatin CalciumRosuvastatin Calcium8624
Bupropion XlBupropion Hcl7825
Metoprolol TartrateMetoprolol Tartrate6722
FamotidineFamotidine6618
PrednisonePrednisone6657
Quetiapine FumarateQuetiapine Fumarate6412
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav6257
AtenololAtenolol6218
Tamsulosin HclTamsulosin Hcl6217
LamotrigineLamotrigine60suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl5922
Duloxetine HclDuloxetine Hcl5914
GlimepirideGlimepiride5616
MeloxicamMeloxicam5615
AlprazolamAlprazolam5528
Montelukast SodiumMontelukast Sodium5516
SpironolactoneSpironolactone55suppressed
Ciprofloxacin HclCiprofloxacin Hcl5139
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4714
Propranolol HclPropranolol Hcl4712
Zolpidem TartrateZolpidem Tartrate4712
ClonazepamClonazepam4511
PregabalinPregabalin4512
CarvedilolCarvedilol43suppressed
EstradiolEstradiol4216
Oxybutynin Chloride ErOxybutynin Chloride42suppressed
Tizanidine HclTizanidine Hcl42suppressed
Ondansetron HclOndansetron Hcl4119
Warfarin SodiumWarfarin Sodium4111
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip3725
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3714
MirtazapineMirtazapine37suppressed
Venlafaxine Hcl ErVenlafaxine Hcl37suppressed
FenofibrateFenofibrate36suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst3526
Fluticasone PropionateFluticasone Propionate3419
Oxycodone HclOxycodone Hcl3417
Doxazosin MesylateDoxazosin Mesylate33suppressed
Glipizide ErGlipizide33suppressed
AcyclovirAcyclovir3211
Buspirone HclBuspirone Hcl3211
CelecoxibCelecoxib31suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3124
AllopurinolAllopurinol30suppressed
BaclofenBaclofen30suppressed
SynthroidLevothyroxine Sodium30suppressed
IbuprofenIbuprofen29suppressed
AripiprazoleAripiprazole28suppressed
ClopidogrelClopidogrel Bisulfate28suppressed
JardianceEmpagliflozin27suppressed
Oxybutynin ChlorideOxybutynin Chloride27suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid27suppressed
Hydralazine HclHydralazine Hcl26suppressed
Hydroxyzine HclHydroxyzine Hcl26suppressed
LevetiracetamLevetiracetam25suppressed
Qvar RedihalerBeclomethasone Dipropionate25suppressed
Ropinirole HclRopinirole Hcl25suppressed
FluconazoleFluconazole2414
MethocarbamolMethocarbamol24suppressed
Niacin ErNiacin24suppressed
TemazepamTemazepam24suppressed
MyrbetriqMirabegron23suppressed
TrulicityDulaglutide23suppressed
Benazepril HclBenazepril Hcl22suppressed
Nifedipine ErNifedipine22suppressed
OlanzapineOlanzapine22suppressed
TelmisartanTelmisartan22suppressed
Ondansetron OdtOndansetron21suppressed
Hydroxyzine PamoateHydroxyzine Pamoate20suppressed
LorazepamLorazepam20suppressed
OzempicSemaglutide20suppressed
Sumatriptan SuccinateSumatriptan Succinate20suppressed
Verapamil ErVerapamil Hcl20suppressed
TopiramateTopiramate19suppressed
ChlorthalidoneChlorthalidone18suppressed
Clonidine HclClonidine Hcl18suppressed
EszopicloneEszopiclone18suppressed
Fluticasone Propionate HfaFluticasone Propionate18suppressed
Memantine HclMemantine Hcl18suppressed
GlipizideGlipizide17suppressed
PaxlovidNirmatrelvir/Ritonavir1717
Fluticasone-SalmeterolFluticasone Propion/Salmeterol16suppressed
Liothyronine SodiumLiothyronine Sodium16suppressed
Midodrine HclMidodrine Hcl16suppressed
NystatinNystatin16suppressed
PrimidonePrimidone16suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine15suppressed
DigoxinDigoxin15suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl15suppressed
Labetalol HclLabetalol Hcl15suppressed
Lithium Carbonate ErLithium Carbonate15suppressed
Sildenafil CitrateSildenafil Citrate15suppressed
TorsemideTorsemide15suppressed
Amiodarone HclAmiodarone Hcl14suppressed
Amitriptyline HclAmitriptyline Hcl14suppressed
Azelastine HclAzelastine Hcl14suppressed
BumetanideBumetanide14suppressed
LansoprazoleLansoprazole14suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog14suppressed
NaproxenNaproxen14suppressed
PremarinEstrogens, Conjugated14suppressed
AzithromycinAzithromycin1312
Incruse ElliptaUmeclidinium Bromide13suppressed
Insulin Aspart FlexpenInsulin Aspart13suppressed
LatanoprostLatanoprost13suppressed
Meclizine HclMeclizine Hcl13suppressed
Breo ElliptaFluticasone/Vilanterol12suppressed
Clindamycin HclClindamycin Hcl1211
Diclofenac SodiumDiclofenac Sodium12suppressed
EzetimibeEzetimibe12suppressed
JanuviaSitagliptin Phosphate12suppressed
Lithium CarbonateLithium Carbonate12suppressed
NabumetoneNabumetone12suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen12suppressed
Paroxetine HclParoxetine Hcl12suppressed
Ultiguard Safepack-Pen NeedlePen Needle, Diabetic,disp Unit12suppressed
XareltoRivaroxaban12suppressed
Bupropion Hcl SrBupropion Hcl11suppressed
Doxycycline HyclateDoxycycline Hyclate11suppressed
TetrabenazineTetrabenazine11suppressed
ValsartanValsartan11suppressed

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