Healthcare provider profile · identity verified

Antonio Meraz, MD

Family Practice · WOODLAND, CA · NPI 1831251768

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 Calcium622192
LisinoprilLisinopril396126
Losartan PotassiumLosartan Potassium317107
Metformin HclMetformin Hcl28594
GabapentinGabapentin26685
Amlodipine BesylateAmlodipine Besylate25694
OmeprazoleOmeprazole24668
HydrochlorothiazideHydrochlorothiazide20468
Levothyroxine SodiumLevothyroxine Sodium19558
Tamsulosin HclTamsulosin Hcl16054
Pioglitazone HclPioglitazone Hcl15551
Metoprolol SuccinateMetoprolol Succinate13445
Alendronate SodiumAlendronate Sodium11935
Trazodone HclTrazodone Hcl11126
Fluticasone PropionateFluticasone Propionate10238
SimvastatinSimvastatin9935
Metformin Hcl ErMetformin Hcl8635
FurosemideFurosemide8426
Metoprolol TartrateMetoprolol Tartrate8324
Albuterol Sulfate HfaAlbuterol Sulfate7831
GlimepirideGlimepiride7319
AtenololAtenolol7221
Rosuvastatin CalciumRosuvastatin Calcium6520
Sertraline HclSertraline Hcl6322
JanuviaSitagliptin Phosphate6219
JardianceEmpagliflozin5917
LovastatinLovastatin5717
Montelukast SodiumMontelukast Sodium5716
FamotidineFamotidine5317
IbuprofenIbuprofen5323
OzempicSemaglutide5220
TrulicityDulaglutide51suppressed
Citalopram HbrCitalopram Hydrobromide5014
Pantoprazole SodiumPantoprazole Sodium5018
Potassium ChloridePotassium Chloride5012
XareltoRivaroxaban4912
Warfarin SodiumWarfarin Sodium4612
Fluoxetine HclFluoxetine Hcl4511
EliquisApixaban44suppressed
Diclofenac SodiumDiclofenac Sodium4017
Hydroxyzine HclHydroxyzine Hcl3711
Clonidine HclClonidine Hcl3611
Glipizide ErGlipizide3616
Doxazosin MesylateDoxazosin Mesylate34suppressed
Hydralazine HclHydralazine Hcl34suppressed
ClopidogrelClopidogrel Bisulfate3212
ClotrimazoleClotrimazole3219
LevetiracetamLevetiracetam32suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide32suppressed
PregabalinPregabalin32suppressed
Sumatriptan SuccinateSumatriptan Succinate30suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl29suppressed
FinasterideFinasteride29suppressed
Azelastine HclAzelastine Hcl2814
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid28suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2711
Pravastatin SodiumPravastatin Sodium2711
AllopurinolAllopurinol26suppressed
Tramadol HclTramadol Hcl2613
ValsartanValsartan26suppressed
CarvedilolCarvedilol2511
Advair HfaFluticasone Propion/Salmeterol22suppressed
Benazepril HclBenazepril Hcl22suppressed
Enalapril MaleateEnalapril Maleate22suppressed
Escitalopram OxalateEscitalopram Oxalate22suppressed
GlipizideGlipizide22suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic2113
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog20suppressed
Duloxetine HclDuloxetine Hcl20suppressed
Paroxetine HclParoxetine Hcl20suppressed
SpironolactoneSpironolactone20suppressed
LactuloseLactulose19suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog19suppressed
Terazosin HclTerazosin Hcl19suppressed
Buspirone HclBuspirone Hcl18suppressed
DigoxinDigoxin17suppressed
Tizanidine HclTizanidine Hcl17suppressed
TopiramateTopiramate17suppressed
AripiprazoleAripiprazole16suppressed
AzithromycinAzithromycin1615
Dilt-XrDiltiazem Hcl16suppressed
BaclofenBaclofen15suppressed
Triamcinolone AcetonideTriamcinolone Acetonide15suppressed
Amitriptyline HclAmitriptyline Hcl14suppressed
AmoxicillinAmoxicillin1411
Meclizine HclMeclizine Hcl14suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst14suppressed
NaproxenNaproxen13suppressed
SucralfateSucralfate13suppressed
Venlafaxine Hcl ErVenlafaxine Hcl13suppressed
Carbamazepine ErCarbamazepine12suppressed
Doxepin HclDoxepin Hcl12suppressed
Sotalol AfSotalol Hcl12suppressed
CelecoxibCelecoxib11suppressed
CephalexinCephalexin11suppressed
EstradiolEstradiol11suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol11suppressed
Imipramine HclImipramine Hcl11suppressed
KetoconazoleKetoconazole11suppressed
Nifedipine ErNifedipine11suppressed
Ventolin HfaAlbuterol Sulfate11suppressed

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