Healthcare provider profile · identity verified

Dat Q. Vo, MD

Geriatric Medicine · BELLFLOWER, CA · NPI 1497822407

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 Calcium22031
FamotidineFamotidine18325
Amlodipine BesylateAmlodipine Besylate15628
FurosemideFurosemide14317
Levothyroxine SodiumLevothyroxine Sodium14016
LevetiracetamLevetiracetam13311
PradaxaDabigatran Etexilate Mesylate131suppressed
Tamsulosin HclTamsulosin Hcl10914
Potassium ChloridePotassium Chloride10516
GabapentinGabapentin10314
Metoprolol TartrateMetoprolol Tartrate10314
LisinoprilLisinopril9814
Rosuvastatin CalciumRosuvastatin Calcium9313
Memantine HclMemantine Hcl90suppressed
EliquisApixaban88suppressed
Pantoprazole SodiumPantoprazole Sodium8713
Losartan PotassiumLosartan Potassium8312
OmeprazoleOmeprazole7614
Hydralazine HclHydralazine Hcl73suppressed
Metformin HclMetformin Hcl67suppressed
Sertraline HclSertraline Hcl59suppressed
Warfarin SodiumWarfarin Sodium59suppressed
Bisoprolol FumarateBisoprolol Fumarate58suppressed
ClopidogrelClopidogrel Bisulfate57suppressed
Monoject Insulin SyringeSyringe-Needle,insulin,0.5 Ml5612
MirtazapineMirtazapine5413
Humulin RInsulin Regular, Human5111
AlvescoCiclesonide46suppressed
GlipizideGlipizide44suppressed
Donepezil HclDonepezil Hcl43suppressed
Clonidine HclClonidine Hcl41suppressed
Brimonidine TartrateBrimonidine Tartrate37suppressed
Alendronate SodiumAlendronate Sodium36suppressed
Fluticasone PropionateFluticasone Propionate36suppressed
Tramadol HclTramadol Hcl36suppressed
Diclofenac SodiumDiclofenac Sodium3512
PrednisonePrednisone3411
DigoxinDigoxin33suppressed
EntrestoSacubitril/Valsartan33suppressed
Dorzolamide HclDorzolamide Hcl32suppressed
FinasterideFinasteride32suppressed
Trazodone HclTrazodone Hcl32suppressed
EnuloseLactulose30suppressed
Fluoxetine HclFluoxetine Hcl30suppressed
Humulin N KwikpenInsulin Nph Human Isophane30suppressed
CarvedilolCarvedilol28suppressed
SimvastatinSimvastatin28suppressed
Montelukast SodiumMontelukast Sodium27suppressed
AtenololAtenolol26suppressed
Carbidopa-Levodopa-EntacaponeCarbidopa/Levodopa/Entacapone25suppressed
Terazosin HclTerazosin Hcl25suppressed
Amiodarone HclAmiodarone Hcl24suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl24suppressed
Divalproex SodiumDivalproex Sodium24suppressed
XareltoRivaroxaban24suppressed
DapagliflozinDapagliflozin Propanediol23suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2314
LamotrigineLamotrigine23suppressed
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate2211
Spiriva RespimatTiotropium Bromide22suppressed
Albuterol SulfateAlbuterol Sulfate21suppressed
LorazepamLorazepam2111
Morphine Sulfate ErMorphine Sulfate21suppressed
Doxycycline HyclateDoxycycline Hyclate20suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate20suppressed
MeloxicamMeloxicam19suppressed
Novolog Mix 70-30 FlexpenInsulin Aspart Prot/Insuln Asp19suppressed
RisperidoneRisperidone17suppressed
Betaxolol HclBetaxolol Hcl16suppressed
Duloxetine HclDuloxetine Hcl16suppressed
JardianceEmpagliflozin16suppressed
Cefpodoxime ProxetilCefpodoxime Proxetil1512
Escitalopram OxalateEscitalopram Oxalate15suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn15suppressed
LactuloseLactulose15suppressed
Levobunolol HclLevobunolol Hcl15suppressed
SpironolactoneSpironolactone15suppressed
Amjevita(Cf) AutoinjectorAdalimumab-Atto14suppressed
Benazepril HclBenazepril Hcl14suppressed
Carbidopa-LevodopaCarbidopa/Levodopa14suppressed
Pravastatin SodiumPravastatin Sodium14suppressed
Sevelamer CarbonateSevelamer Carbonate14suppressed
AcarboseAcarbose13suppressed
EzetimibeEzetimibe13suppressed
Humulin NInsulin Nph Human Isophane13suppressed
Ipratropium BromideIpratropium Bromide13suppressed
MethotrexateMethotrexate Sodium13suppressed
PhenytoinPhenytoin13suppressed
BudesonideBudesonide12suppressed
BumetanideBumetanide12suppressed
DescovyEmtricitabine/Tenofov Alafenam12suppressed
EntacaponeEntacapone12suppressed
LatanoprostLatanoprost12suppressed
Ropinirole HclRopinirole Hcl12suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim12suppressed
TivicayDolutegravir Sodium12suppressed
TopiramateTopiramate12suppressed
CarbamazepineCarbamazepine11suppressed
CephalexinCephalexin11suppressed
HydrocortisoneHydrocortisone11suppressed
Ibandronate SodiumIbandronate Sodium11suppressed
Valproic AcidValproic Acid (As Sodium Salt)11suppressed

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