Healthcare provider profile · identity verified

Casey Morris Nelson, M.D.

Family Practice · SANTA ANA, CA · NPI 1407117302

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 Calcium331121
Losartan PotassiumLosartan Potassium12147
Levothyroxine SodiumLevothyroxine Sodium11535
LisinoprilLisinopril9837
Terazosin HclTerazosin Hcl9326
Amlodipine BesylateAmlodipine Besylate9040
Pantoprazole SodiumPantoprazole Sodium7725
FinasterideFinasteride7424
Metformin Hcl ErMetformin Hcl7326
OmeprazoleOmeprazole7234
Tamsulosin HclTamsulosin Hcl7021
Metformin HclMetformin Hcl6824
Rosuvastatin CalciumRosuvastatin Calcium6832
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6728
Bisoprolol FumarateBisoprolol Fumarate6323
MeloxicamMeloxicam5915
HydrochlorothiazideHydrochlorothiazide5724
SimvastatinSimvastatin5017
Clindamycin PhosphateClindamycin Phosphate4731
Alendronate SodiumAlendronate Sodium4513
JardianceEmpagliflozin4313
Albuterol Sulfate HfaAlbuterol Sulfate4220
AtenololAtenolol4116
PradaxaDabigatran Etexilate Mesylate4112
FurosemideFurosemide3915
PrednisonePrednisone3921
Metoprolol TartrateMetoprolol Tartrate3618
Trazodone HclTrazodone Hcl3612
Duloxetine HclDuloxetine Hcl3511
AllopurinolAllopurinol3413
GlipizideGlipizide3312
Montelukast SodiumMontelukast Sodium31suppressed
GabapentinGabapentin2812
Glipizide ErGlipizide27suppressed
OzempicSemaglutide26suppressed
AmoxicillinAmoxicillin2517
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen24suppressed
Potassium ChloridePotassium Chloride24suppressed
Fluoxetine HclFluoxetine Hcl22suppressed
Ipratropium BromideIpratropium Bromide2213
AzithromycinAzithromycin2020
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen20suppressed
Gavilyte-CPeg3350/Sod Sulf,bicarb,cl/Kcl1919
Sertraline HclSertraline Hcl19suppressed
EzetimibeEzetimibe18suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic18suppressed
CarvedilolCarvedilol17suppressed
Humulin NInsulin Nph Human Isophane17suppressed
LorazepamLorazepam17suppressed
AlvescoCiclesonide1612
Ciprofloxacin HclCiprofloxacin Hcl1612
ClopidogrelClopidogrel Bisulfate16suppressed
Veo Insulin SyringeSyrge-Ndl,ins 0.3 Ml Half Mark16suppressed
Wixela InhubFluticasone Propion/Salmeterol16suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide15suppressed
NystatinNystatin15suppressed
RizatriptanRizatriptan Benzoate15suppressed
EliquisApixaban14suppressed
Pravastatin SodiumPravastatin Sodium14suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1311
CephalexinCephalexin13suppressed
AbrysvoRsv Vacc, Pref A And Pref B/Pf1212
AlprazolamAlprazolam12suppressed
Memantine HclMemantine Hcl12suppressed
Pioglitazone HclPioglitazone Hcl12suppressed
Azelastine HclAzelastine Hcl11suppressed
Clobetasol PropionateClobetasol Propionate11suppressed
Doxycycline MonohydrateDoxycycline Monohydrate11suppressed
Escitalopram OxalateEscitalopram Oxalate11suppressed
EstradiolEstradiol11suppressed
KonvomepOmeprazole/Sodium Bicarbonate11suppressed
MupirocinMupirocin11suppressed
Spiriva RespimatTiotropium Bromide11suppressed
TacrolimusTacrolimus11suppressed
Tramadol HclTramadol Hcl11suppressed
Triamcinolone AcetonideTriamcinolone Acetonide11suppressed
Victoza 2-PakLiraglutide11suppressed

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