Healthcare provider profile · identity verified

Robert K. Dyo, M.D.

Family Practice · RICHARDSON, TX · NPI 1821005646

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 Calcium18050
Rosuvastatin CalciumRosuvastatin Calcium12538
Montelukast SodiumMontelukast Sodium10634
Pravastatin SodiumPravastatin Sodium9229
Amlodipine BesylateAmlodipine Besylate8626
LisinoprilLisinopril6618
SimvastatinSimvastatin6315
Fluticasone PropionateFluticasone Propionate5827
Trazodone HclTrazodone Hcl5815
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav5541
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide5313
AzithromycinAzithromycin5235
MethylprednisoloneMethylprednisolone4740
Losartan PotassiumLosartan Potassium4517
Duloxetine HclDuloxetine Hcl41suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4114
Escitalopram OxalateEscitalopram Oxalate38suppressed
Levothyroxine SodiumLevothyroxine Sodium3711
SynthroidLevothyroxine Sodium3612
Fluoxetine HclFluoxetine Hcl29suppressed
AllopurinolAllopurinol28suppressed
PaxlovidNirmatrelvir/Ritonavir2828
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2823
AtenololAtenolol25suppressed
Metformin HclMetformin Hcl25suppressed
Tamsulosin HclTamsulosin Hcl23suppressed
Metformin Hcl ErMetformin Hcl20suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide20suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide20suppressed
AmoxicillinAmoxicillin1916
Sertraline HclSertraline Hcl19suppressed
Doxycycline HyclateDoxycycline Hyclate1814
Metoprolol SuccinateMetoprolol Succinate18suppressed
Olmesartan MedoxomilOlmesartan Medoxomil17suppressed
Citalopram HbrCitalopram Hydrobromide16suppressed
IrbesartanIrbesartan16suppressed
ValacyclovirValacyclovir Hcl16suppressed
MeloxicamMeloxicam14suppressed
Venlafaxine Hcl ErVenlafaxine Hcl14suppressed
Telmisartan-HydrochlorothiazidTelmisartan/Hydrochlorothiazid12suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril11suppressed
Azelastine HclAzelastine Hcl11suppressed
Mometasone FuroateMometasone Furoate11suppressed

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