Healthcare provider profile · identity verified

Marcello Caso, MD, DC

Family Practice · FOLSOM, CA · NPI 1629238027

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 Calcium16378
Losartan PotassiumLosartan Potassium13753
Amlodipine BesylateAmlodipine Besylate13157
LisinoprilLisinopril13058
Levothyroxine SodiumLevothyroxine Sodium11345
FurosemideFurosemide8634
Albuterol Sulfate HfaAlbuterol Sulfate8140
Fluticasone PropionateFluticasone Propionate8129
Pantoprazole SodiumPantoprazole Sodium7926
Rosuvastatin CalciumRosuvastatin Calcium7842
GabapentinGabapentin7626
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen7521
Metoprolol SuccinateMetoprolol Succinate6232
Metoprolol TartrateMetoprolol Tartrate6230
Metformin HclMetformin Hcl6030
HydrochlorothiazideHydrochlorothiazide5930
Duloxetine HclDuloxetine Hcl5722
FamotidineFamotidine4918
Tamsulosin HclTamsulosin Hcl4819
Potassium ChloridePotassium Chloride4623
OmeprazoleOmeprazole4528
AlvescoCiclesonide4214
SimvastatinSimvastatin4014
Alendronate SodiumAlendronate Sodium3919
Oxycodone HclOxycodone Hcl39suppressed
Hydroxyzine HclHydroxyzine Hcl38suppressed
IbuprofenIbuprofen3815
Trazodone HclTrazodone Hcl3617
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf3232
MirtazapineMirtazapine3011
Pravastatin SodiumPravastatin Sodium3014
Sertraline HclSertraline Hcl3013
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide2914
Ropinirole HclRopinirole Hcl29suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen28suppressed
Ondansetron HclOndansetron Hcl26suppressed
PradaxaDabigatran Etexilate Mesylate26suppressed
PrednisonePrednisone2516
NystatinNystatin24suppressed
Triamcinolone AcetonideTriamcinolone Acetonide24suppressed
Metformin Hcl ErMetformin Hcl23suppressed
Montelukast SodiumMontelukast Sodium23suppressed
Nortriptyline HclNortriptyline Hcl23suppressed
Tizanidine HclTizanidine Hcl2314
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2220
AtenololAtenolol2212
ClopidogrelClopidogrel Bisulfate22suppressed
Escitalopram OxalateEscitalopram Oxalate21suppressed
MeloxicamMeloxicam21suppressed
Quetiapine FumarateQuetiapine Fumarate2113
Ondansetron OdtOndansetron20suppressed
Propranolol HclPropranolol Hcl20suppressed
CarvedilolCarvedilol19suppressed
EliquisApixaban18suppressed
Hydralazine HclHydralazine Hcl17suppressed
MethocarbamolMethocarbamol17suppressed
OzempicSemaglutide17suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1615
GlipizideGlipizide16suppressed
JardianceEmpagliflozin16suppressed
Azelastine HclAzelastine Hcl15suppressed
LovastatinLovastatin15suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl14suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl14suppressed
EzetimibeEzetimibe13suppressed
Fluoxetine HclFluoxetine Hcl13suppressed
Trospium ChlorideTrospium Chloride13suppressed
AllopurinolAllopurinol12suppressed
BaclofenBaclofen12suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide12suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim12suppressed
Zolpidem TartrateZolpidem Tartrate12suppressed
AzithromycinAzithromycin1111
Ciprofloxacin HclCiprofloxacin Hcl11suppressed
Venlafaxine Hcl ErVenlafaxine 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