Healthcare provider profile · identity verified

William A. Carrasco, MD

Internal Medicine · SACRAMENTO, CA · NPI 1740368281

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 Calcium543189
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen48285
LisinoprilLisinopril392132
Amlodipine BesylateAmlodipine Besylate31097
Levothyroxine SodiumLevothyroxine Sodium29490
Losartan PotassiumLosartan Potassium26988
Pantoprazole SodiumPantoprazole Sodium23266
Fluticasone PropionateFluticasone Propionate19567
Terazosin HclTerazosin Hcl19248
Albuterol Sulfate HfaAlbuterol Sulfate19072
Trazodone HclTrazodone Hcl17551
HydrochlorothiazideHydrochlorothiazide15253
Tamsulosin HclTamsulosin Hcl14849
OzempicSemaglutide14127
GabapentinGabapentin13547
Alendronate SodiumAlendronate Sodium12838
SimvastatinSimvastatin12744
Metoprolol TartrateMetoprolol Tartrate12340
Metoprolol SuccinateMetoprolol Succinate11742
FurosemideFurosemide11553
Metformin HclMetformin Hcl11036
NabumetoneNabumetone10443
GlipizideGlipizide10336
IbuprofenIbuprofen9630
AlvescoCiclesonide9529
OmeprazoleOmeprazole9333
MeloxicamMeloxicam8831
AtenololAtenolol8430
AllopurinolAllopurinol7624
Spiriva RespimatTiotropium Bromide7221
Tizanidine HclTizanidine Hcl72suppressed
FamotidineFamotidine7125
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen7113
Metformin Hcl ErMetformin Hcl7030
Zolpidem TartrateZolpidem Tartrate69suppressed
Citalopram HbrCitalopram Hydrobromide6826
Ondansetron HclOndansetron Hcl6521
Triamcinolone AcetonideTriamcinolone Acetonide6528
Rosuvastatin CalciumRosuvastatin Calcium6422
Duloxetine HclDuloxetine Hcl6219
JardianceEmpagliflozin6123
Potassium ChloridePotassium Chloride6118
PrednisonePrednisone5838
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5319
Wixela InhubFluticasone Propion/Salmeterol4915
CarvedilolCarvedilol4616
Fluoxetine HclFluoxetine Hcl4617
EliquisApixaban4518
Methadone HclMethadone Hcl36suppressed
Warfarin SodiumWarfarin Sodium3611
Doxycycline MonohydrateDoxycycline Monohydrate3528
Acetaminophen-CodeineAcetaminophen With Codeine34suppressed
ClopidogrelClopidogrel Bisulfate3413
AcyclovirAcyclovir3311
ColchicineColchicine3313
DuleraMometasone/Formoterol33suppressed
Montelukast SodiumMontelukast Sodium33suppressed
Venlafaxine Hcl ErVenlafaxine Hcl3315
MirtazapineMirtazapine3215
AmoxicillinAmoxicillin3116
Morphine Sulfate ErMorphine Sulfate31suppressed
Oxycodone HclOxycodone Hcl31suppressed
Sertraline HclSertraline Hcl3113
Clobetasol PropionateClobetasol Propionate2917
Ipratropium BromideIpratropium Bromide29suppressed
NystatinNystatin2915
NaproxenNaproxen27suppressed
Donepezil HclDonepezil Hcl26suppressed
Escitalopram OxalateEscitalopram Oxalate26suppressed
XareltoRivaroxaban26suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2521
LovastatinLovastatin25suppressed
Sumatriptan SuccinateSumatriptan Succinate25suppressed
Trospium ChlorideTrospium Chloride2511
Memantine HclMemantine Hcl24suppressed
Propranolol HclPropranolol Hcl24suppressed
Ropinirole HclRopinirole Hcl24suppressed
FluocinonideFluocinonide2315
Neomycin-Polymyxin-DexamethNeomycin/Polymyxin B/Dexametha2315
PradaxaDabigatran Etexilate Mesylate22suppressed
LatanoprostLatanoprost21suppressed
SpironolactoneSpironolactone21suppressed
Buspirone HclBuspirone Hcl20suppressed
Dicyclomine HclDicyclomine Hcl20suppressed
FinasterideFinasteride20suppressed
AlprazolamAlprazolam19suppressed
Humulin NInsulin Nph Human Isophane19suppressed
Ondansetron OdtOndansetron19suppressed
Prochlorperazine MaleateProchlorperazine Maleate19suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1818
CefadroxilCefadroxil1816
Cefpodoxime ProxetilCefpodoxime Proxetil1816
Isosorbide Mononitrate ErIsosorbide Mononitrate18suppressed
KetoconazoleKetoconazole18suppressed
Methylphenidate HclMethylphenidate Hcl18suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl18suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl18suppressed
Humulin N KwikpenInsulin Nph Human Isophane17suppressed
Hydralazine HclHydralazine Hcl17suppressed
LorazepamLorazepam1711
BreynaBudesonide/Formoterol Fumarate16suppressed
Ciprofloxacin HclCiprofloxacin Hcl1612
Clonidine HclClonidine Hcl16suppressed
EstradiolEstradiol16suppressed
Humalog Kwikpen U-100Insulin Lispro16suppressed
Hydroxyzine HclHydroxyzine Hcl16suppressed
MethocarbamolMethocarbamol16suppressed
Humulin RInsulin Regular, Human15suppressed
Hydromorphone HclHydromorphone Hcl15suppressed
PregabalinPregabalin15suppressed
Quetiapine FumarateQuetiapine Fumarate15suppressed
CarbamazepineCarbamazepine14suppressed
CephalexinCephalexin1413
FenofibrateFenofibrate14suppressed
Glipizide ErGlipizide14suppressed
LevetiracetamLevetiracetam14suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide14suppressed
Pravastatin SodiumPravastatin Sodium14suppressed
Bisoprolol FumarateBisoprolol Fumarate13suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl13suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml13suppressed
HydrocortisoneHydrocortisone12suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn12suppressed
PhenobarbitalPhenobarbital11suppressed
Testosterone CypionateTestosterone Cypionate11suppressed

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