Healthcare provider profile · identity verified

Harold Alan Barnard, D O

Family Practice · GREENVILLE, TX · NPI 1710074612

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

Brand	Generic	Claims	Beneficiaries
Atorvastatin Calcium	Atorvastatin Calcium	232	73
Rosuvastatin Calcium	Rosuvastatin Calcium	214	69
Levothyroxine Sodium	Levothyroxine Sodium	202	64
Tamsulosin Hcl	Tamsulosin Hcl	197	65
Lisinopril	Lisinopril	183	65
Pantoprazole Sodium	Pantoprazole Sodium	179	63
Amlodipine Besylate	Amlodipine Besylate	172	54
Losartan Potassium	Losartan Potassium	163	45
Carvedilol	Carvedilol	134	44
Gabapentin	Gabapentin	131	43
Torsemide	Torsemide	122	36
Trazodone Hcl	Trazodone Hcl	120	38
Alendronate Sodium	Alendronate Sodium	111	38
Omeprazole	Omeprazole	106	37
Simvastatin	Simvastatin	104	30
Glipizide	Glipizide	96	24
Pravastatin Sodium	Pravastatin Sodium	94	30
Albuterol Sulfate Hfa	Albuterol Sulfate	93	37
Montelukast Sodium	Montelukast Sodium	92	36
Escitalopram Oxalate	Escitalopram Oxalate	91	32
Metformin Hcl	Metformin Hcl	91	29
Ezetimibe	Ezetimibe	82	25
Prednisone	Prednisone	81	56
Baclofen	Baclofen	77	31
Liothyronine Sodium	Liothyronine Sodium	76	23
Valsartan	Valsartan	76	21
Meloxicam	Meloxicam	73	34
Metoprolol Succinate	Metoprolol Succinate	70	22
Clopidogrel	Clopidogrel Bisulfate	62	23
Furosemide	Furosemide	59	22
Metoprolol Tartrate	Metoprolol Tartrate	59	25
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	58	11
Methocarbamol	Methocarbamol	55	27
Sertraline Hcl	Sertraline Hcl	55	19
Ozempic	Semaglutide	54	suppressed
Azithromycin	Azithromycin	53	43
Tramadol Hcl	Tramadol Hcl	53	15
Glimepiride	Glimepiride	52	18
Eliquis	Apixaban	49	17
Hydroxyzine Hcl	Hydroxyzine Hcl	48	18
Memantine Hcl	Memantine Hcl	48	14
Donepezil Hcl	Donepezil Hcl	47	16
Hydrochlorothiazide	Hydrochlorothiazide	45	16
Potassium Chloride	Potassium Chloride	45	14
Duloxetine Hcl	Duloxetine Hcl	44	11
Olmesartan Medoxomil	Olmesartan Medoxomil	42	14
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	38	17
Allopurinol	Allopurinol	37	12
Fluticasone Propionate	Fluticasone Propionate	37	15
Pregabalin	Pregabalin	36	11
Finasteride	Finasteride	33	11
Spironolactone	Spironolactone	33	12
Venlafaxine Hcl Er	Venlafaxine Hcl	33	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	31	18
Famotidine	Famotidine	31	11
Buspirone Hcl	Buspirone Hcl	29	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	29	suppressed
Nifedipine Er	Nifedipine	29	suppressed
Estradiol	Estradiol	28	suppressed
Levofloxacin	Levofloxacin	28	23
Amoxicillin	Amoxicillin	27	25
Doxazosin Mesylate	Doxazosin Mesylate	27	suppressed
Bupropion Xl	Bupropion Hcl	26	suppressed
Glipizide Er	Glipizide	26	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	26	21
Telmisartan	Telmisartan	26	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	25	suppressed
Lovastatin	Lovastatin	25	suppressed
Metformin Hcl Er	Metformin Hcl	24	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	24	suppressed
Tizanidine Hcl	Tizanidine Hcl	24	suppressed
Alprazolam	Alprazolam	23	12
Clindamycin Hcl	Clindamycin Hcl	23	15
Hydralazine Hcl	Hydralazine Hcl	23	suppressed
Lamotrigine	Lamotrigine	23	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	23	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	23	suppressed
Synthroid	Levothyroxine Sodium	23	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	22	suppressed
Bupropion Hcl Sr	Bupropion Hcl	21	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	21	suppressed
Ondansetron Odt	Ondansetron	20	12
Fenofibrate	Fenofibrate	19	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	19	suppressed
Lansoprazole	Lansoprazole	19	suppressed
Myrbetriq	Mirabegron	19	suppressed
Solifenacin Succinate	Solifenacin Succinate	19	suppressed
Atenolol	Atenolol	18	suppressed
Farxiga	Dapagliflozin Propanediol	18	suppressed
Januvia	Sitagliptin Phosphate	18	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	18	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	17	suppressed
Ropinirole Hcl	Ropinirole Hcl	17	suppressed
Ventolin Hfa	Albuterol Sulfate	17	12
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	16	12
Benazepril Hcl	Benazepril Hcl	16	suppressed
Propranolol Hcl	Propranolol Hcl	16	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	16	suppressed
Warfarin Sodium	Warfarin Sodium	16	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	15	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	15	suppressed
Trulicity	Dulaglutide	15	suppressed
Citalopram Hbr	Citalopram Hydrobromide	14	suppressed
Dexlansoprazole Dr	Dexlansoprazole	14	suppressed
Diazepam	Diazepam	14	suppressed
Enalapril Maleate	Enalapril Maleate	14	suppressed
Janumet Xr	Sitagliptin Phos/Metformin Hcl	14	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	14	11
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Clonidine Hcl	Clonidine Hcl	13	suppressed
Fluconazole	Fluconazole	13	suppressed
Incruse Ellipta	Umeclidinium Bromide	13	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	13	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	13	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	12	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	11	suppressed
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	11	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	11	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	11	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	11	11

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.

Year	General Payments	Main payer	Explicit products	Company overlaps	Part D coverage
2025	—	—	—	—	—
2024	—	—	—	—	Complete

Questions to ask

Questions you could discuss with your doctor

Are there reasonable alternatives I should understand when we discuss treatment options?
How should I interpret the industry-payment records shown here in the context of my care?

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Payment and Medicare prescribing data can cover different years; every comparison shows both years explicitly.
Part D does not represent a doctor’s entire practice; it excludes many patients and is subject to CMS public-release thresholds.
Company–drug relationships must have an auditable source, a precise relationship type, and a valid evidence period. Unresolved mappings are not published.
Generic drug claims are not attributed to a specific manufacturer without manufacturer-level evidence.
When a source extract is incomplete, missing rows are never treated as proof of no payments or no prescriptions.

Loaded source releases

Dataset	Year	Publication	Source
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