Healthcare provider profile · identity verified

Phetsamong Nhonthachit, M.D.

Family Practice · HOUSTON, TX · NPI 1750814232

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 Calcium19073
Amlodipine BesylateAmlodipine Besylate9839
Tizanidine HclTizanidine Hcl9843
Levothyroxine SodiumLevothyroxine Sodium9232
Losartan PotassiumLosartan Potassium9132
GabapentinGabapentin7732
LisinoprilLisinopril7128
Rosuvastatin CalciumRosuvastatin Calcium7029
Metformin HclMetformin Hcl6527
Metoprolol SuccinateMetoprolol Succinate6227
OmeprazoleOmeprazole6031
Albuterol Sulfate HfaAlbuterol Sulfate5625
Pantoprazole SodiumPantoprazole Sodium5624
Trazodone HclTrazodone Hcl5524
Triamcinolone AcetonideTriamcinolone Acetonide5534
OzempicSemaglutide5311
HydrochlorothiazideHydrochlorothiazide4820
Fluticasone PropionateFluticasone Propionate4624
Tamsulosin HclTamsulosin Hcl4619
AlprazolamAlprazolam4513
FurosemideFurosemide4121
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen39suppressed
PrednisonePrednisone3934
Tramadol HclTramadol Hcl33suppressed
Escitalopram OxalateEscitalopram Oxalate3116
Sertraline HclSertraline Hcl3112
SimvastatinSimvastatin3112
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog29suppressed
Oxybutynin Chloride ErOxybutynin Chloride28suppressed
Diclofenac SodiumDiclofenac Sodium2716
PregabalinPregabalin27suppressed
AzithromycinAzithromycin2423
KetoconazoleKetoconazole2316
BaclofenBaclofen22suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide22suppressed
Metformin Hcl ErMetformin Hcl22suppressed
MupirocinMupirocin2216
JardianceEmpagliflozin21suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2020
LorazepamLorazepam20suppressed
MeloxicamMeloxicam20suppressed
Nifedipine ErNifedipine20suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf2018
Vitamin D2Ergocalciferol (Vitamin D2)20suppressed
GlimepirideGlimepiride19suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog19suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide19suppressed
Acetaminophen-CodeineAcetaminophen With Codeine1815
EliquisApixaban18suppressed
Ondansetron OdtOndansetron18suppressed
ValacyclovirValacyclovir Hcl1812
IbuprofenIbuprofen1711
Montelukast SodiumMontelukast Sodium17suppressed
Pravastatin SodiumPravastatin Sodium16suppressed
MethylprednisoloneMethylprednisolone1513
Sildenafil CitrateSildenafil Citrate15suppressed
Glipizide ErGlipizide14suppressed
MounjaroTirzepatide14suppressed
Quetiapine FumarateQuetiapine Fumarate14suppressed
Warfarin SodiumWarfarin Sodium14suppressed
CarvedilolCarvedilol13suppressed
CelecoxibCelecoxib13suppressed
EzetimibeEzetimibe13suppressed
ClonazepamClonazepam12suppressed
Duloxetine HclDuloxetine Hcl12suppressed
Lisdexamfetamine DimesylateLisdexamfetamine Dimesylate12suppressed
NystatinNystatin12suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril11suppressed
ClopidogrelClopidogrel Bisulfate11suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip11suppressed
FarxigaDapagliflozin Propanediol11suppressed
ValsartanValsartan11suppressed

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