Healthcare provider profile · identity verified

Mark Allen Wallingford, MD

Internal Medicine · MAYSVILLE, KY · NPI 1205919875

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	635	186
Lisinopril	Lisinopril	507	145
Levothyroxine Sodium	Levothyroxine Sodium	490	131
Rosuvastatin Calcium	Rosuvastatin Calcium	465	134
Omeprazole	Omeprazole	405	129
Amlodipine Besylate	Amlodipine Besylate	365	116
Pantoprazole Sodium	Pantoprazole Sodium	360	117
Alprazolam	Alprazolam	331	66
Metoprolol Succinate	Metoprolol Succinate	316	92
Furosemide	Furosemide	313	85
Losartan Potassium	Losartan Potassium	306	88
Clopidogrel	Clopidogrel Bisulfate	294	81
Potassium Chloride	Potassium Chloride	279	79
Carvedilol	Carvedilol	241	64
Gabapentin	Gabapentin	214	53
Metformin Hcl	Metformin Hcl	205	57
Pioglitazone Hcl	Pioglitazone Hcl	196	51
Duloxetine Hcl	Duloxetine Hcl	195	53
Prednisone	Prednisone	189	119
Tamsulosin Hcl	Tamsulosin Hcl	175	56
Hydrochlorothiazide	Hydrochlorothiazide	164	52
Citalopram Hbr	Citalopram Hydrobromide	142	44
Allopurinol	Allopurinol	132	40
Tramadol Hcl	Tramadol Hcl	129	28
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	124	25
Metformin Hcl Er	Metformin Hcl	122	35
Nifedipine Er	Nifedipine	121	27
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	111	33
Metoprolol Tartrate	Metoprolol Tartrate	109	31
Eliquis	Apixaban	106	31
Simvastatin	Simvastatin	106	31
Diclofenac Sodium	Diclofenac Sodium	105	41
Donepezil Hcl	Donepezil Hcl	96	29
Albuterol Sulfate Hfa	Albuterol Sulfate	93	33
Fluticasone Propionate	Fluticasone Propionate	85	34
Alendronate Sodium	Alendronate Sodium	84	34
Warfarin Sodium	Warfarin Sodium	84	13
Montelukast Sodium	Montelukast Sodium	83	26
Etodolac	Etodolac	81	30
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	80	27
Trazodone Hcl	Trazodone Hcl	80	21
Doxazosin Mesylate	Doxazosin Mesylate	79	19
Isosorbide Mononitrate Er	Isosorbide Mononitrate	79	21
Zolpidem Tartrate	Zolpidem Tartrate	79	15
Synthroid	Levothyroxine Sodium	77	24
Esomeprazole Magnesium	Esomeprazole Magnesium	75	24
Meloxicam	Meloxicam	72	22
Bupropion Xl	Bupropion Hcl	71	21
Spironolactone	Spironolactone	70	22
Venlafaxine Hcl Er	Venlafaxine Hcl	70	20
Pravastatin Sodium	Pravastatin Sodium	65	22
Pregabalin	Pregabalin	65	19
Valsartan	Valsartan	61	19
Ozempic	Semaglutide	60	14
Cefuroxime	Cefuroxime Axetil	59	50
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	57	13
Jardiance	Empagliflozin	56	14
Lorazepam	Lorazepam	56	15
Ropinirole Hcl	Ropinirole Hcl	54	16
Celecoxib	Celecoxib	52	16
Famotidine	Famotidine	52	15
Glipizide	Glipizide	51	13
Trulicity	Dulaglutide	50	suppressed
Diclofenac Sodium Er	Diclofenac Sodium	49	17
Cefdinir	Cefdinir	44	39
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	44	13
Raloxifene Hcl	Raloxifene Hcl	43	12
Azithromycin	Azithromycin	41	37
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	41	13
Ciprofloxacin Hcl	Ciprofloxacin Hcl	40	32
Xarelto	Rivaroxaban	40	13
Diazepam	Diazepam	39	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	39	21
Sertraline Hcl	Sertraline Hcl	37	13
Tresiba Flextouch U-200	Insulin Degludec	37	suppressed
Gemfibrozil	Gemfibrozil	36	11
Estradiol	Estradiol	34	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	34	11
Amiodarone Hcl	Amiodarone Hcl	33	12
Tizanidine Hcl	Tizanidine Hcl	33	suppressed
Breo Ellipta	Fluticasone/Vilanterol	32	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	32	suppressed
Janumet Xr	Sitagliptin Phos/Metformin Hcl	32	suppressed
Meclizine Hcl	Meclizine Hcl	32	13
Memantine Hcl	Memantine Hcl	32	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	31	suppressed
Entresto	Sacubitril/Valsartan	31	suppressed
Finasteride	Finasteride	31	suppressed
Paroxetine Hcl	Paroxetine Hcl	31	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	31	suppressed
Buspirone Hcl	Buspirone Hcl	30	suppressed
Farxiga	Dapagliflozin Propanediol	30	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	29	suppressed
Valacyclovir	Valacyclovir Hcl	29	14
Ondansetron Odt	Ondansetron	28	15
Ezetimibe	Ezetimibe	27	suppressed
Klor-Con M20	Potassium Chloride	27	suppressed
Liothyronine Sodium	Liothyronine Sodium	27	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	26	11
Hydralazine Hcl	Hydralazine Hcl	26	suppressed
Lamotrigine	Lamotrigine	26	suppressed
Quetiapine Fumarate Er	Quetiapine Fumarate	26	suppressed
Glimepiride	Glimepiride	25	suppressed
Propranolol Hcl Er	Propranolol Hcl	25	suppressed
Benazepril Hcl	Benazepril Hcl	24	suppressed
Methotrexate	Methotrexate Sodium	24	suppressed
Bupropion Hcl Sr	Bupropion Hcl	23	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	23	suppressed
Primidone	Primidone	23	suppressed
Ramipril	Ramipril	23	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	22	suppressed
Glipizide Er	Glipizide	22	suppressed
Mounjaro	Tirzepatide	22	suppressed
Nadolol	Nadolol	22	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	21	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	21	16
Torsemide	Torsemide	21	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	21	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	20	suppressed
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	20	suppressed
Digoxin	Digoxin	19	suppressed
Nitroglycerin	Nitroglycerin	19	11
Rabeprazole Sodium	Rabeprazole Sodium	19	suppressed
Divalproex Sodium	Divalproex Sodium	18	suppressed
Levetiracetam	Levetiracetam	18	suppressed
Nebivolol Hcl	Nebivolol Hcl	18	suppressed
Tresiba Flextouch U-100	Insulin Degludec	18	suppressed
Clonazepam	Clonazepam	17	suppressed
Diltiazem 24hr Er (Xr)	Diltiazem Hcl	17	suppressed
Mirtazapine	Mirtazapine	17	suppressed
Vascepa	Icosapent Ethyl	17	suppressed
Fluconazole	Fluconazole	16	suppressed
Januvia	Sitagliptin Phosphate	16	suppressed
Mupirocin	Mupirocin	16	15
Piroxicam	Piroxicam	16	suppressed
Aliskiren	Aliskiren Hemifumarate	15	suppressed
Ketoconazole	Ketoconazole	15	suppressed
Topiramate	Topiramate	15	suppressed
Amoxicillin	Amoxicillin	14	13
Calcitriol	Calcitriol	14	suppressed
Cevimeline Hcl	Cevimeline Hcl	14	suppressed
Lansoprazole	Lansoprazole	14	suppressed
Phenobarbital	Phenobarbital	14	suppressed
Ventolin Hfa	Albuterol Sulfate	14	suppressed
Baclofen	Baclofen	13	suppressed
Bumetanide	Bumetanide	13	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	13	suppressed
Dilantin	Phenytoin Sodium Extended	13	suppressed
Emgality Pen	Galcanezumab-Gnlm	13	suppressed
Irbesartan	Irbesartan	13	suppressed
Clonidine Hcl	Clonidine Hcl	12	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Lubiprostone	Lubiprostone	12	suppressed
Methimazole	Methimazole	12	suppressed
Methylphenidate Er	Methylphenidate Hcl	12	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	12	suppressed
Acyclovir	Acyclovir	11	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	11	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	11	suppressed
Sotalol	Sotalol 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