Healthcare provider profile · identity verified

David Campbell Allison, MD

Family Practice · MONROE, NC · NPI 1285602730

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	631	175
Amlodipine Besylate	Amlodipine Besylate	576	162
Levothyroxine Sodium	Levothyroxine Sodium	465	101
Rosuvastatin Calcium	Rosuvastatin Calcium	418	121
Lisinopril	Lisinopril	397	117
Pravastatin Sodium	Pravastatin Sodium	311	89
Famotidine	Famotidine	228	67
Losartan Potassium	Losartan Potassium	226	71
Metformin Hcl Er	Metformin Hcl	225	64
Gabapentin	Gabapentin	197	56
Mirtazapine	Mirtazapine	194	48
Duloxetine Hcl	Duloxetine Hcl	189	44
Pantoprazole Sodium	Pantoprazole Sodium	189	59
Metformin Hcl	Metformin Hcl	187	60
Montelukast Sodium	Montelukast Sodium	177	51
Metoprolol Succinate	Metoprolol Succinate	175	52
Alendronate Sodium	Alendronate Sodium	167	40
Omeprazole	Omeprazole	162	51
Allopurinol	Allopurinol	157	41
Tamsulosin Hcl	Tamsulosin Hcl	156	41
Hydrochlorothiazide	Hydrochlorothiazide	148	45
Jardiance	Empagliflozin	129	25
Trazodone Hcl	Trazodone Hcl	129	35
Sertraline Hcl	Sertraline Hcl	123	36
Fluticasone Propionate	Fluticasone Propionate	122	43
Ezetimibe	Ezetimibe	120	34
Potassium Chloride	Potassium Chloride	120	31
Tramadol Hcl	Tramadol Hcl	119	23
Ozempic	Semaglutide	114	21
Furosemide	Furosemide	105	32
Escitalopram Oxalate	Escitalopram Oxalate	100	25
Tizanidine Hcl	Tizanidine Hcl	96	36
Buspirone Hcl	Buspirone Hcl	93	27
Metoprolol Tartrate	Metoprolol Tartrate	92	29
Carvedilol	Carvedilol	78	30
Finasteride	Finasteride	77	22
Albuterol Sulfate Hfa	Albuterol Sulfate	73	35
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	72	63
Donepezil Hcl	Donepezil Hcl	70	14
Synthroid	Levothyroxine Sodium	68	11
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	67	22
Ropinirole Hcl	Ropinirole Hcl	67	16
Trulicity	Dulaglutide	61	suppressed
Glimepiride	Glimepiride	60	20
Doxycycline Monohydrate	Doxycycline Monohydrate	59	48
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	59	18
Meloxicam	Meloxicam	58	16
Celecoxib	Celecoxib	55	12
Myrbetriq	Mirabegron	54	suppressed
Prednisone	Prednisone	53	51
Clopidogrel	Clopidogrel Bisulfate	49	19
Simvastatin	Simvastatin	49	14
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	48	19
Mounjaro	Tirzepatide	48	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	48	13
Eliquis	Apixaban	47	12
Ipratropium Bromide	Ipratropium Bromide	47	23
Tresiba Flextouch U-100	Insulin Degludec	47	12
Tradjenta	Linagliptin	45	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	44	suppressed
Valsartan	Valsartan	44	15
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	41	11
Bupropion Xl	Bupropion Hcl	39	12
Hydroxyzine Hcl	Hydroxyzine Hcl	38	18
Pioglitazone Hcl	Pioglitazone Hcl	38	14
Fluoxetine Hcl	Fluoxetine Hcl	37	12
Alprazolam	Alprazolam	36	13
Telmisartan	Telmisartan	36	12
Zolpidem Tartrate	Zolpidem Tartrate	34	suppressed
Benazepril Hcl	Benazepril Hcl	32	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	32	suppressed
Clonazepam	Clonazepam	29	suppressed
Valacyclovir	Valacyclovir Hcl	29	13
Irbesartan	Irbesartan	28	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	28	suppressed
Xarelto	Rivaroxaban	28	suppressed
Azelastine Hcl	Azelastine Hcl	27	suppressed
Januvia	Sitagliptin Phosphate	27	suppressed
Lorazepam	Lorazepam	27	suppressed
Cephalexin	Cephalexin	25	17
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	25	suppressed
Telmisartan-Hydrochlorothiazid	Telmisartan/Hydrochlorothiazid	25	suppressed
Baclofen	Baclofen	24	suppressed
Citalopram Hbr	Citalopram Hydrobromide	24	suppressed
Glipizide Er	Glipizide	24	suppressed
Meclizine Hcl	Meclizine Hcl	24	13
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	23	suppressed
Chlorthalidone	Chlorthalidone	22	suppressed
Labetalol Hcl	Labetalol Hcl	22	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	22	suppressed
Memantine Hcl	Memantine Hcl	22	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	22	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	21	suppressed
Mometasone Furoate	Mometasone Furoate	21	16
Olmesartan Medoxomil	Olmesartan Medoxomil	21	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	21	suppressed
Doxepin Hcl	Doxepin Hcl	20	suppressed
Propranolol Hcl	Propranolol Hcl	19	suppressed
Symbicort	Budesonide/Formoterol Fumarate	18	suppressed
Bupropion Hcl Sr	Bupropion Hcl	17	suppressed
Glipizide	Glipizide	17	suppressed
Novolog	Insulin Aspart	17	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	16	suppressed
Ondansetron Hcl	Ondansetron Hcl	16	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	16	16
Potassium Citrate Er	Potassium Citrate	16	suppressed
Terazosin Hcl	Terazosin Hcl	16	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	15	suppressed
Nitroglycerin	Nitroglycerin	15	suppressed
Ondansetron Odt	Ondansetron	15	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	15	suppressed
Propranolol Hcl Er	Propranolol Hcl	15	suppressed
Febuxostat	Febuxostat	14	suppressed
Lidocaine	Lidocaine	14	suppressed
Lovastatin	Lovastatin	14	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	14	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	14	suppressed
Diazepam	Diazepam	13	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	13	suppressed
Klor-Con M20	Potassium Chloride	13	suppressed
Rybelsus	Semaglutide	13	suppressed
Clonidine	Clonidine	12	suppressed
Farxiga	Dapagliflozin Propanediol	12	suppressed
Fluconazole	Fluconazole	12	suppressed
Gemtesa	Vibegron	12	suppressed
Midodrine Hcl	Midodrine Hcl	12	suppressed
Novolog Flexpen	Insulin Aspart	12	suppressed
Prolia	Denosumab	12	suppressed
Creon	Lipase/Protease/Amylase	11	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	11	suppressed
Indapamide	Indapamide	11	suppressed
Paroxetine Hcl	Paroxetine Hcl	11	suppressed
Raloxifene Hcl	Raloxifene Hcl	11	suppressed
Risedronate Sodium	Risedronate Sodium	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

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