Healthcare provider profile · identity verified

Khanh Gia Do, M.D.

Internal Medicine · SAN ANTONIO, TX · NPI 1174672927

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
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen28735
Atorvastatin CalciumAtorvastatin Calcium16742
Montelukast SodiumMontelukast Sodium12230
Amlodipine BesylateAmlodipine Besylate11225
Losartan PotassiumLosartan Potassium10325
GabapentinGabapentin10224
FurosemideFurosemide9321
Albuterol Sulfate HfaAlbuterol Sulfate9226
Fluticasone PropionateFluticasone Propionate8731
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride8624
Tizanidine HclTizanidine Hcl7817
Metoprolol SuccinateMetoprolol Succinate6911
Pantoprazole SodiumPantoprazole Sodium6713
Pravastatin SodiumPravastatin Sodium6713
Tamsulosin HclTamsulosin Hcl6513
Tramadol HclTramadol Hcl6514
Nifedipine ErNifedipine6317
FamotidineFamotidine5814
Alendronate SodiumAlendronate Sodium5512
Pioglitazone HclPioglitazone Hcl5513
Enalapril MaleateEnalapril Maleate5211
Levothyroxine SodiumLevothyroxine Sodium51suppressed
Zolpidem TartrateZolpidem Tartrate51suppressed
Duloxetine HclDuloxetine Hcl43suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium43suppressed
Metformin Hcl ErMetformin Hcl42suppressed
OmeprazoleOmeprazole42suppressed
ClonazepamClonazepam40suppressed
GlimepirideGlimepiride39suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3813
Metformin HclMetformin Hcl3812
Rosuvastatin CalciumRosuvastatin Calcium3813
Trazodone HclTrazodone Hcl38suppressed
CarvedilolCarvedilol37suppressed
AlprazolamAlprazolam35suppressed
JardianceEmpagliflozin34suppressed
MeloxicamMeloxicam3412
Quetiapine FumarateQuetiapine Fumarate34suppressed
EzetimibeEzetimibe33suppressed
MethotrexateMethotrexate Sodium33suppressed
Buspirone HclBuspirone Hcl32suppressed
Hydroxyzine HclHydroxyzine Hcl3211
Acetaminophen-CodeineAcetaminophen With Codeine31suppressed
EliquisApixaban31suppressed
Metoclopramide HclMetoclopramide Hcl3114
NaproxenNaproxen31suppressed
TopiramateTopiramate31suppressed
IbuprofenIbuprofen30suppressed
Advair HfaFluticasone Propion/Salmeterol28suppressed
JanuviaSitagliptin Phosphate28suppressed
PregabalinPregabalin28suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide27suppressed
DesloratadineDesloratadine26suppressed
Fluoxetine HclFluoxetine Hcl26suppressed
SimvastatinSimvastatin26suppressed
Diclofenac SodiumDiclofenac Sodium2511
Ketorolac TromethamineKetorolac Tromethamine24suppressed
Propranolol HclPropranolol Hcl24suppressed
Triamcinolone AcetonideTriamcinolone Acetonide23suppressed
CelecoxibCelecoxib22suppressed
LorazepamLorazepam22suppressed
AllopurinolAllopurinol21suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2118
AzithromycinAzithromycin2117
Clonidine HclClonidine Hcl21suppressed
SulfasalazineSulfasalazine21suppressed
HydrochlorothiazideHydrochlorothiazide20suppressed
Olmesartan MedoxomilOlmesartan Medoxomil20suppressed
BaclofenBaclofen19suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl19suppressed
Potassium ChloridePotassium Chloride19suppressed
TelmisartanTelmisartan19suppressed
Dicyclomine HclDicyclomine Hcl18suppressed
LinzessLinaclotide18suppressed
Amitriptyline HclAmitriptyline Hcl17suppressed
Meclizine HclMeclizine Hcl16suppressed
Sertraline HclSertraline Hcl16suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim16suppressed
TradjentaLinagliptin16suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril15suppressed
CephalexinCephalexin1512
Diltiazem 24hr ErDiltiazem Hcl15suppressed
Glyburide-Metformin HclGlyburide/Metformin Hcl15suppressed
LisinoprilLisinopril15suppressed
SpironolactoneSpironolactone15suppressed
Labetalol HclLabetalol Hcl14suppressed
Metoprolol TartrateMetoprolol Tartrate14suppressed
Venlafaxine Hcl ErVenlafaxine Hcl14suppressed
Clobetasol PropionateClobetasol Propionate13suppressed
Oxybutynin ChlorideOxybutynin Chloride13suppressed
PrednisonePrednisone1312
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip12suppressed
Doxepin HclDoxepin Hcl12suppressed
Escitalopram OxalateEscitalopram Oxalate12suppressed
FenofibrateFenofibrate12suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended12suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine11suppressed
LansoprazoleLansoprazole11suppressed
Nortriptyline HclNortriptyline Hcl11suppressed
OtezlaApremilast11suppressed
Zolpidem Tartrate ErZolpidem Tartrate11suppressed

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