Healthcare provider profile · identity verified

Cassandra Marie Muxen, MD

Internal Medicine · NORTH HAVEN, CT · NPI 1346744513

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 Calcium371165
Amlodipine BesylateAmlodipine Besylate324143
Rosuvastatin CalciumRosuvastatin Calcium321128
Levothyroxine SodiumLevothyroxine Sodium295112
LisinoprilLisinopril18973
Losartan PotassiumLosartan Potassium16867
GabapentinGabapentin14051
HydrochlorothiazideHydrochlorothiazide12656
Metformin Hcl ErMetformin Hcl12347
OzempicSemaglutide12322
Metoprolol SuccinateMetoprolol Succinate11955
MeloxicamMeloxicam11253
Trazodone HclTrazodone Hcl10338
OmeprazoleOmeprazole9937
Olmesartan MedoxomilOlmesartan Medoxomil9540
Albuterol Sulfate HfaAlbuterol Sulfate8846
Sertraline HclSertraline Hcl8129
Escitalopram OxalateEscitalopram Oxalate7831
Metformin HclMetformin Hcl7834
Duloxetine HclDuloxetine Hcl7333
ValsartanValsartan7232
Pantoprazole SodiumPantoprazole Sodium6825
EliquisApixaban6622
FamotidineFamotidine6424
SimvastatinSimvastatin6322
Amlodipine-ValsartanAmlodipine Besylate/Valsartan6120
Citalopram HbrCitalopram Hydrobromide5625
MirtazapineMirtazapine5622
CarvedilolCarvedilol5525
Montelukast SodiumMontelukast Sodium5119
CelecoxibCelecoxib4816
EzetimibeEzetimibe4721
Tamsulosin HclTamsulosin Hcl4721
LorazepamLorazepam4614
AllopurinolAllopurinol4416
FurosemideFurosemide4426
Cyclobenzaprine HclCyclobenzaprine Hcl4325
PrednisonePrednisone4228
Metoprolol TartrateMetoprolol Tartrate4116
AlprazolamAlprazolam4014
Fluticasone PropionateFluticasone Propionate3819
AtenololAtenolol3713
Pravastatin SodiumPravastatin Sodium3515
Alendronate SodiumAlendronate Sodium3417
Potassium ChloridePotassium Chloride3412
Tramadol HclTramadol Hcl3416
Fluoxetine HclFluoxetine Hcl3314
Tizanidine HclTizanidine Hcl3325
Zolpidem TartrateZolpidem Tartrate33suppressed
Bupropion XlBupropion Hcl3216
MounjaroTirzepatide31suppressed
PregabalinPregabalin3011
ChlorthalidoneChlorthalidone2916
DiazepamDiazepam2912
XareltoRivaroxaban29suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog2811
Pioglitazone HclPioglitazone Hcl2813
Buspirone HclBuspirone Hcl2711
JanuviaSitagliptin Phosphate2712
ClopidogrelClopidogrel Bisulfate2611
Diltiazem 24hr Er (Cd)Diltiazem Hcl2613
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide26suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide2612
JardianceEmpagliflozin2514
Fluticasone-SalmeterolFluticasone Propion/Salmeterol23suppressed
SpironolactoneSpironolactone2313
Doxycycline MonohydrateDoxycycline Monohydrate2218
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride22suppressed
GlimepirideGlimepiride21suppressed
MethocarbamolMethocarbamol2115
SynthroidLevothyroxine Sodium2111
Donepezil HclDonepezil Hcl20suppressed
Glipizide ErGlipizide20suppressed
ValacyclovirValacyclovir Hcl2013
Hydroxyzine HclHydroxyzine Hcl1912
Amitriptyline HclAmitriptyline Hcl18suppressed
Clobetasol PropionateClobetasol Propionate18suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide18suppressed
Oxybutynin Chloride ErOxybutynin Chloride18suppressed
TrulicityDulaglutide18suppressed
Wixela InhubFluticasone Propion/Salmeterol18suppressed
ClonazepamClonazepam17suppressed
FenofibrateFenofibrate Nanocrystallized17suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1712
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1614
Doxepin HclDoxepin Hcl16suppressed
Hydralazine HclHydralazine Hcl16suppressed
Solifenacin SuccinateSolifenacin Succinate16suppressed
TemazepamTemazepam16suppressed
Venlafaxine Hcl ErVenlafaxine Hcl16suppressed
Meclizine HclMeclizine Hcl1512
TopiramateTopiramate15suppressed
BaclofenBaclofen14suppressed
MupirocinMupirocin14suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic14suppressed
NaproxenNaproxen14suppressed
Ondansetron OdtOndansetron14suppressed
Quetiapine FumarateQuetiapine Fumarate14suppressed
TradjentaLinagliptin14suppressed
AcyclovirAcyclovir13suppressed
AripiprazoleAripiprazole13suppressed
FluconazoleFluconazole1311
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1313
Ondansetron HclOndansetron Hcl13suppressed
RamiprilRamipril13suppressed
AmoxicillinAmoxicillin12suppressed
Arnuity ElliptaFluticasone Furoate12suppressed
AzithromycinAzithromycin1212
Diclofenac SodiumDiclofenac Sodium12suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog12suppressed
Azelastine HclAzelastine Hcl11suppressed
EszopicloneEszopiclone11suppressed
NystatinNystatin11suppressed
Paroxetine HclParoxetine Hcl11suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim11suppressed
TelmisartanTelmisartan11suppressed
Testosterone CypionateTestosterone Cypionate11suppressed

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