Healthcare provider profile · identity verified

Ellen Cayman Pacson, M.D.

Family Practice · RIVERSIDE, CA · NPI 1184940678

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 Calcium577200
Amlodipine BesylateAmlodipine Besylate27089
LisinoprilLisinopril25093
Losartan PotassiumLosartan Potassium23886
Levothyroxine SodiumLevothyroxine Sodium23275
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen16438
Albuterol Sulfate HfaAlbuterol Sulfate16071
Metformin Hcl ErMetformin Hcl13754
SimvastatinSimvastatin13646
Trazodone HclTrazodone Hcl11932
AtenololAtenolol11840
PrednisonePrednisone11880
Potassium ChloridePotassium Chloride11455
OmeprazoleOmeprazole10956
HydrochlorothiazideHydrochlorothiazide10240
MeloxicamMeloxicam10160
Alendronate SodiumAlendronate Sodium9233
GabapentinGabapentin9139
GlipizideGlipizide9035
Metoprolol TartrateMetoprolol Tartrate8931
AllopurinolAllopurinol8131
Triamcinolone AcetonideTriamcinolone Acetonide7847
Rosuvastatin CalciumRosuvastatin Calcium7526
Spiriva RespimatTiotropium Bromide7522
Azelastine HclAzelastine Hcl7327
FurosemideFurosemide7235
CephalexinCephalexin7154
IbuprofenIbuprofen7126
LactuloseLactulose7023
Montelukast SodiumMontelukast Sodium6530
AzithromycinAzithromycin6455
Metformin HclMetformin Hcl6223
Wixela InhubFluticasone Propion/Salmeterol6232
Pravastatin SodiumPravastatin Sodium6122
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6026
Pantoprazole SodiumPantoprazole Sodium6029
Nano 2nd Gen Pen NeedlePen Needle, Diabetic5515
Terazosin HclTerazosin Hcl5320
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide5120
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen48suppressed
AlprazolamAlprazolam47suppressed
Humulin N KwikpenInsulin Nph Human Isophane4616
Tamsulosin HclTamsulosin Hcl4418
Acetaminophen-CodeineAcetaminophen With Codeine4316
PradaxaDabigatran Etexilate Mesylate4314
OzempicSemaglutide42suppressed
NystatinNystatin3922
CarvedilolCarvedilol3512
JardianceEmpagliflozin3411
SpironolactoneSpironolactone3311
Tramadol HclTramadol Hcl33suppressed
FamotidineFamotidine3216
Sertraline HclSertraline Hcl3214
AlvescoCiclesonide2914
AmoxicillinAmoxicillin2920
Fluticasone PropionateFluticasone Propionate2812
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2724
Duloxetine HclDuloxetine Hcl2711
EliquisApixaban27suppressed
Trospium ChlorideTrospium Chloride26suppressed
Bisoprolol FumarateBisoprolol Fumarate2511
Neomycin-Polymyxin-DexamethNeomycin/Polymyxin B/Dexametha2518
AcyclovirAcyclovir23suppressed
EstradiolEstradiol2311
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2319
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid23suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf2222
ClopidogrelClopidogrel Bisulfate22suppressed
EzetimibeEzetimibe22suppressed
Ondansetron OdtOndansetron2211
Sumatriptan SuccinateSumatriptan Succinate22suppressed
Econazole NitrateEconazole Nitrate2113
Quetiapine FumarateQuetiapine Fumarate21suppressed
SucralfateSucralfate21suppressed
TemazepamTemazepam21suppressed
Betamethasone Diprop AugmentedBetamethasone/Propylene Glyc20suppressed
HydrocortisoneHydrocortisone2011
Ipratropium BromideIpratropium Bromide2014
Bupropion XlBupropion Hcl19suppressed
FluconazoleFluconazole1916
Fluocinolone AcetonideFluocinolone/Shower Cap19suppressed
Metoprolol SuccinateMetoprolol Succinate19suppressed
PregabalinPregabalin19suppressed
Citalopram HbrCitalopram Hydrobromide17suppressed
Humulin RInsulin Regular, Human17suppressed
Ondansetron HclOndansetron Hcl17suppressed
Nortriptyline HclNortriptyline Hcl16suppressed
DigoxinDigoxin15suppressed
Humulin NInsulin Nph Human Isophane15suppressed
RizatriptanRizatriptan Benzoate15suppressed
ArexvyRsvpref3 Antigen/As01e/Pf1414
LidocaineLidocaine14suppressed
Morphine Sulfate ErMorphine Sulfate14suppressed
ValacyclovirValacyclovir Hcl14suppressed
Venlafaxine Hcl ErVenlafaxine Hcl14suppressed
Clobetasol PropionateClobetasol Propionate13suppressed
FinasterideFinasteride13suppressed
KetoconazoleKetoconazole13suppressed
LatanoprostLatanoprost13suppressed
Naratriptan HclNaratriptan Hcl13suppressed
Fluoxetine HclFluoxetine Hcl12suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn12suppressed
LorazepamLorazepam12suppressed
MirtazapineMirtazapine12suppressed
OxcarbazepineOxcarbazepine12suppressed
RisperidoneRisperidone12suppressed
Victoza 2-PakLiraglutide12suppressed
Benazepril HclBenazepril Hcl11suppressed
CyclosporineCyclosporine11suppressed
Ibandronate SodiumIbandronate Sodium11suppressed
LovastatinLovastatin11suppressed
MyrbetriqMirabegron11suppressed
Veo Insulin SyringeSyrge-Ndl,ins 0.3 Ml Half Mark11suppressed
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