Healthcare provider profile · identity verified

W Mackey Watkins, M.D.

Nephrology · DENISON, TX · NPI 1679527527

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	544	140
Levothyroxine Sodium	Levothyroxine Sodium	441	116
Losartan Potassium	Losartan Potassium	438	112
Metoprolol Succinate	Metoprolol Succinate	429	121
Amlodipine Besylate	Amlodipine Besylate	393	108
Pantoprazole Sodium	Pantoprazole Sodium	283	81
Furosemide	Furosemide	278	91
Gabapentin	Gabapentin	267	77
Tamsulosin Hcl	Tamsulosin Hcl	262	73
Omeprazole	Omeprazole	235	66
Pravastatin Sodium	Pravastatin Sodium	234	65
Tramadol Hcl	Tramadol Hcl	223	48
Metformin Hcl	Metformin Hcl	213	64
Clopidogrel	Clopidogrel Bisulfate	210	58
Mounjaro	Tirzepatide	193	25
Metoprolol Tartrate	Metoprolol Tartrate	190	47
Spironolactone	Spironolactone	186	53
Prednisone	Prednisone	160	79
Rosuvastatin Calcium	Rosuvastatin Calcium	160	46
Alprazolam	Alprazolam	158	36
Doxycycline Hyclate	Doxycycline Hyclate	157	120
Eliquis	Apixaban	156	31
Allopurinol	Allopurinol	155	42
Trazodone Hcl	Trazodone Hcl	154	44
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	147	43
Lisinopril	Lisinopril	138	43
Glipizide	Glipizide	131	37
Glimepiride	Glimepiride	125	34
Ozempic	Semaglutide	124	29
Alendronate Sodium	Alendronate Sodium	123	33
Simvastatin	Simvastatin	122	30
Carvedilol	Carvedilol	116	31
Jardiance	Empagliflozin	112	21
Duloxetine Hcl	Duloxetine Hcl	111	31
Hydrochlorothiazide	Hydrochlorothiazide	110	29
Potassium Chloride	Potassium Chloride	90	25
Azithromycin	Azithromycin	86	73
Ropinirole Hcl	Ropinirole Hcl	82	21
Buspirone Hcl	Buspirone Hcl	75	16
Finasteride	Finasteride	75	22
Sertraline Hcl	Sertraline Hcl	74	21
Irbesartan	Irbesartan	72	16
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	72	21
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	70	23
Meloxicam	Meloxicam	68	17
Albuterol Sulfate Hfa	Albuterol Sulfate	67	25
Farxiga	Dapagliflozin Propanediol	67	14
Methylprednisolone	Methylprednisolone	67	53
Pioglitazone Hcl	Pioglitazone Hcl	67	16
Ezetimibe	Ezetimibe	66	20
Doxepin Hcl	Doxepin Hcl	61	14
Estradiol	Estradiol	61	20
Montelukast Sodium	Montelukast Sodium	60	21
Clonazepam	Clonazepam	58	suppressed
Synthroid	Levothyroxine Sodium	58	13
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	57	17
Pregabalin	Pregabalin	54	19
Clonidine Hcl	Clonidine Hcl	53	16
Ciprofloxacin Hcl	Ciprofloxacin Hcl	52	41
Olmesartan Medoxomil	Olmesartan Medoxomil	51	13
Zolpidem Tartrate	Zolpidem Tartrate	50	14
Citalopram Hbr	Citalopram Hydrobromide	49	16
Famotidine	Famotidine	49	16
Bupropion Xl	Bupropion Hcl	48	suppressed
Myrbetriq	Mirabegron	48	suppressed
Amiloride Hcl	Amiloride Hcl	47	16
Hydroxyzine Hcl	Hydroxyzine Hcl	45	suppressed
Spironolactone-Hctz	Spironolact/Hydrochlorothiazid	45	13
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	45	14
Escitalopram Oxalate	Escitalopram Oxalate	43	14
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	41	12
Tizanidine Hcl	Tizanidine Hcl	41	21
Lansoprazole	Lansoprazole	40	suppressed
Mirtazapine	Mirtazapine	40	13
Nifedipine Er	Nifedipine	40	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	40	30
Atenolol	Atenolol	39	12
Fluticasone Propionate	Fluticasone Propionate	38	14
Kerendia	Finerenone	38	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	37	27
Warfarin Sodium	Warfarin Sodium	36	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	35	suppressed
Paroxetine Hcl	Paroxetine Hcl	35	suppressed
Donepezil Hcl	Donepezil Hcl	34	12
Ipratropium Bromide	Ipratropium Bromide	34	suppressed
Telmisartan	Telmisartan	34	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	33	suppressed
Januvia	Sitagliptin Phosphate	33	suppressed
Valacyclovir	Valacyclovir Hcl	33	17
Paxlovid	Nirmatrelvir/Ritonavir	32	32
Xarelto	Rivaroxaban	32	suppressed
Diclofenac Sodium	Diclofenac Sodium	31	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	31	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	30	suppressed
Cefdinir	Cefdinir	30	23
Terazosin Hcl	Terazosin Hcl	30	suppressed
Bupropion Hcl	Bupropion Hcl	29	suppressed
Bupropion Hcl Sr	Bupropion Hcl	29	suppressed
Midodrine Hcl	Midodrine Hcl	29	suppressed
Neomycin-Polymyxin-Dexameth	Neomycin/Polymyxin B/Dexametha	29	27
Rybelsus	Semaglutide	29	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	28	11
Venlafaxine Hcl Er	Venlafaxine Hcl	27	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	26	22
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	25	suppressed
Testosterone Cypionate	Testosterone Cypionate	25	suppressed
Entresto	Sacubitril/Valsartan	24	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	24	suppressed
Aripiprazole	Aripiprazole	23	suppressed
Lovastatin	Lovastatin	23	suppressed
Nitroglycerin	Nitroglycerin	22	suppressed
Ondansetron Hcl	Ondansetron Hcl	22	14
Ranolazine Er	Ranolazine	22	suppressed
Diazepam	Diazepam	21	suppressed
Dutasteride	Dutasteride	21	suppressed
Linzess	Linaclotide	21	suppressed
Propranolol Hcl	Propranolol Hcl	21	suppressed
Amoxicillin	Amoxicillin	20	16
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	20	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	20	suppressed
Hydralazine Hcl	Hydralazine Hcl	20	suppressed
Levofloxacin	Levofloxacin	20	13
Sucralfate	Sucralfate	20	suppressed
Dexlansoprazole Dr	Dexlansoprazole	19	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	19	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	19	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	19	suppressed
Benazepril Hcl	Benazepril Hcl	18	suppressed
Colestipol Hcl	Colestipol Hcl	18	suppressed
Digoxin	Digoxin	18	suppressed
Ibandronate Sodium	Ibandronate Sodium	18	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	18	suppressed
Metformin Hcl Er	Metformin Hcl	18	suppressed
Nebivolol Hcl	Nebivolol Hcl	18	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	18	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	17	suppressed
Temazepam	Temazepam	17	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	16	suppressed
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	16	suppressed
Dexamethasone	Dexamethasone	16	16
Janumet	Sitagliptin Phos/Metformin Hcl	16	suppressed
Lorazepam	Lorazepam	16	suppressed
Ondansetron Odt	Ondansetron	16	13
Celecoxib	Celecoxib	15	suppressed
Felodipine Er	Felodipine	15	suppressed
Flecainide Acetate	Flecainide Acetate	15	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	15	suppressed
Levetiracetam	Levetiracetam	15	suppressed
Breo Ellipta	Fluticasone/Vilanterol	14	suppressed
Bumetanide	Bumetanide	14	suppressed
Colesevelam Hcl	Colesevelam Hcl	14	suppressed
Enalapril Maleate	Enalapril Maleate	14	suppressed
Fluconazole	Fluconazole	14	suppressed
Novolog Flexpen	Insulin Aspart	14	suppressed
Nystatin	Nystatin	14	suppressed
Zafirlukast	Zafirlukast	14	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	13	suppressed
Amiodarone Hcl	Amiodarone Hcl	13	suppressed
Anastrozole	Anastrozole	13	suppressed
Guanfacine Hcl	Guanfacine Hcl	13	suppressed
Hydroxyurea	Hydroxyurea	13	suppressed
Methocarbamol	Methocarbamol	13	suppressed
Movantik	Naloxegol Oxalate	13	suppressed
Mupirocin	Mupirocin	13	12
Acyclovir	Acyclovir	12	suppressed
Benazepril-Hydrochlorothiazide	Benazepril/Hydrochlorothiazide	12	suppressed
Dilt-Xr	Diltiazem Hcl	12	suppressed
Gemtesa	Vibegron	12	suppressed
Hydrocortisone	Hydrocortisone	12	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	12	suppressed
Solifenacin Succinate	Solifenacin Succinate	12	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Valsartan	Valsartan	12	suppressed
Azelastine Hcl	Azelastine Hcl	11	suppressed
Baclofen	Baclofen	11	suppressed
Colchicine	Colchicine	11	suppressed
Fenofibrate	Fenofibrate	11	suppressed
Fenofibrate	Fenofibrate,micronized	11	suppressed
Glipizide Er	Glipizide	11	suppressed
Janumet Xr	Sitagliptin Phos/Metformin Hcl	11	suppressed
Mirabegron Er	Mirabegron	11	suppressed
Prasugrel Hcl	Prasugrel Hcl	11	suppressed
Sotalol	Sotalol Hcl	11	suppressed
Spiriva Handihaler	Tiotropium Bromide	11	suppressed
Topiramate	Topiramate	11	suppressed
Ultra-Fine Nano Pen Needle	Pen Needle, Diabetic	11	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	11	suppressed

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