Healthcare provider profile · identity verified

Ambria Williams, FNP

Nurse Practitioner · CORPUS CHRISTI, TX · NPI 1417458340

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
Donepezil HclDonepezil Hcl33851
Atorvastatin CalciumAtorvastatin Calcium31054
Levothyroxine SodiumLevothyroxine Sodium29160
Losartan PotassiumLosartan Potassium27049
Amlodipine BesylateAmlodipine Besylate22043
Memantine HclMemantine Hcl21539
FurosemideFurosemide17751
EliquisApixaban16228
Metformin HclMetformin Hcl14123
MirtazapineMirtazapine13929
ClopidogrelClopidogrel Bisulfate13519
Pantoprazole SodiumPantoprazole Sodium13031
Trazodone HclTrazodone Hcl12935
FamotidineFamotidine12521
LisinoprilLisinopril12428
GabapentinGabapentin12125
Divalproex SodiumDivalproex Sodium11521
Tamsulosin HclTamsulosin Hcl11519
Metoprolol SuccinateMetoprolol Succinate10522
Potassium ChloridePotassium Chloride9726
Sertraline HclSertraline Hcl9621
OmeprazoleOmeprazole8416
CarvedilolCarvedilol8214
Pravastatin SodiumPravastatin Sodium7511
Tramadol HclTramadol Hcl7517
Citalopram HbrCitalopram Hydrobromide7414
LevetiracetamLevetiracetam74suppressed
Quetiapine FumarateQuetiapine Fumarate6916
JardianceEmpagliflozin66suppressed
Metoprolol TartrateMetoprolol Tartrate5620
LorazepamLorazepam5413
Midodrine HclMidodrine Hcl49suppressed
Escitalopram OxalateEscitalopram Oxalate4713
Alendronate SodiumAlendronate Sodium46suppressed
TorsemideTorsemide46suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide42suppressed
Oxybutynin Chloride ErOxybutynin Chloride42suppressed
Buspirone HclBuspirone Hcl40suppressed
Duloxetine HclDuloxetine Hcl4011
MethocarbamolMethocarbamol4011
JanuviaSitagliptin Phosphate39suppressed
SpironolactoneSpironolactone39suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro38suppressed
NystatinNystatin3513
AllopurinolAllopurinol34suppressed
Ciprofloxacin HclCiprofloxacin Hcl3428
LatanoprostLatanoprost33suppressed
Hydroxyzine HclHydroxyzine Hcl3214
RisperidoneRisperidone31suppressed
Acetaminophen-CodeineAcetaminophen With Codeine30suppressed
Hydralazine HclHydralazine Hcl3011
Ondansetron HclOndansetron Hcl3023
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim3027
FenofibrateFenofibrate Nanocrystallized29suppressed
Fluticasone PropionateFluticasone Propionate2911
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2825
Memantine Hcl ErMemantine Hcl28suppressed
Carbidopa-LevodopaCarbidopa/Levodopa27suppressed
MyrbetriqMirabegron27suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2725
BaclofenBaclofen26suppressed
BudesonideBudesonide26suppressed
FinasterideFinasteride24suppressed
EzetimibeEzetimibe23suppressed
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate2313
Lantus SolostarInsulin Glargine,hum.Rec.Anlog23suppressed
Bupropion XlBupropion Hcl22suppressed
MeloxicamMeloxicam22suppressed
Doxycycline HyclateDoxycycline Hyclate2118
Ropinirole HclRopinirole Hcl21suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog20suppressed
HydrochlorothiazideHydrochlorothiazide20suppressed
Enalapril MaleateEnalapril Maleate19suppressed
Megestrol AcetateMegestrol Acetate19suppressed
AtenololAtenolol18suppressed
ValsartanValsartan18suppressed
Amiodarone HclAmiodarone Hcl17suppressed
Fluoxetine HclFluoxetine Hcl17suppressed
Rosuvastatin CalciumRosuvastatin Calcium17suppressed
AnastrozoleAnastrozole16suppressed
AzithromycinAzithromycin1614
CelecoxibCelecoxib16suppressed
LactuloseLactulose16suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters16suppressed
RivastigmineRivastigmine Tartrate16suppressed
Tolterodine TartrateTolterodine Tartrate16suppressed
Albuterol Sulfate HfaAlbuterol Sulfate15suppressed
AlprazolamAlprazolam15suppressed
AripiprazoleAripiprazole15suppressed
Metformin Hcl ErMetformin Hcl15suppressed
TrulicityDulaglutide15suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl14suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium14suppressed
Ethambutol HclEthambutol Hcl14suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl14suppressed
RifampinRifampin14suppressed
BrilintaTicagrelor13suppressed
IngrezzaValbenazine Tosylate13suppressed
KetoconazoleKetoconazole13suppressed
Clonidine HclClonidine Hcl12suppressed
FenofibrateFenofibrate,micronized12suppressed
Klor-Con 10Potassium Chloride12suppressed
Mesalamine DrMesalamine12suppressed
Oxybutynin ChlorideOxybutynin Chloride12suppressed
Solifenacin SuccinateSolifenacin Succinate12suppressed
Tizanidine HclTizanidine Hcl12suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide12suppressed
BreynaBudesonide/Formoterol Fumarate11suppressed
Diclofenac SodiumDiclofenac Sodium11suppressed
Dicyclomine HclDicyclomine Hcl11suppressed
PrednisonePrednisone11suppressed
SimvastatinSimvastatin11suppressed
SucralfateSucralfate11suppressed
TradjentaLinagliptin11suppressed

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