Healthcare provider profile · identity verified

Christopher Franklin Due, MD

Internal Medicine · DOVER, PA · NPI 1558464644

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	446	123
Levothyroxine Sodium	Levothyroxine Sodium	365	106
Metoprolol Succinate	Metoprolol Succinate	306	87
Amlodipine Besylate	Amlodipine Besylate	265	75
Lisinopril	Lisinopril	217	64
Losartan Potassium	Losartan Potassium	217	57
Simvastatin	Simvastatin	183	54
Eliquis	Apixaban	164	33
Metformin Hcl	Metformin Hcl	157	44
Valsartan	Valsartan	153	43
Furosemide	Furosemide	148	49
Pravastatin Sodium	Pravastatin Sodium	146	38
Hydrochlorothiazide	Hydrochlorothiazide	141	40
Omeprazole	Omeprazole	129	38
Gabapentin	Gabapentin	126	33
Pantoprazole Sodium	Pantoprazole Sodium	125	33
Famotidine	Famotidine	119	34
Metformin Hcl Er	Metformin Hcl	118	33
Montelukast Sodium	Montelukast Sodium	115	30
Rosuvastatin Calcium	Rosuvastatin Calcium	111	31
Glipizide Er	Glipizide	110	32
Allopurinol	Allopurinol	94	27
Tamsulosin Hcl	Tamsulosin Hcl	94	26
Albuterol Sulfate Hfa	Albuterol Sulfate	92	33
Metoprolol Tartrate	Metoprolol Tartrate	91	22
Donepezil Hcl	Donepezil Hcl	87	14
Duloxetine Hcl	Duloxetine Hcl	84	21
Isosorbide Mononitrate Er	Isosorbide Mononitrate	82	18
Clopidogrel	Clopidogrel Bisulfate	78	27
Lorazepam	Lorazepam	76	29
Finasteride	Finasteride	75	19
Sertraline Hcl	Sertraline Hcl	75	21
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	69	19
Atenolol	Atenolol	68	15
Nortriptyline Hcl	Nortriptyline Hcl	67	22
Escitalopram Oxalate	Escitalopram Oxalate	65	19
Hydralazine Hcl	Hydralazine Hcl	65	17
Spironolactone	Spironolactone	63	16
Januvia	Sitagliptin Phosphate	58	suppressed
Carvedilol	Carvedilol	56	17
Azithromycin	Azithromycin	55	50
Potassium Chloride	Potassium Chloride	54	17
Citalopram Hbr	Citalopram Hydrobromide	53	16
Triamcinolone Acetonide	Triamcinolone Acetonide	53	22
Xarelto	Rivaroxaban	52	suppressed
Fluticasone Propionate	Fluticasone Propionate	51	19
Meloxicam	Meloxicam	48	17
Prednisone	Prednisone	48	36
Glipizide	Glipizide	46	12
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	44	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	44	13
Jardiance	Empagliflozin	41	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	41	suppressed
Meclizine Hcl	Meclizine Hcl	40	22
Tramadol Hcl	Tramadol Hcl	40	suppressed
Breo Ellipta	Fluticasone/Vilanterol	39	suppressed
Buspirone Hcl	Buspirone Hcl	39	14
Zolpidem Tartrate	Zolpidem Tartrate	39	11
Ropinirole Hcl	Ropinirole Hcl	36	suppressed
Propranolol Hcl Er	Propranolol Hcl	33	suppressed
Paroxetine Hcl	Paroxetine Hcl	32	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	32	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	31	suppressed
Enalapril Maleate	Enalapril Maleate	30	suppressed
Chlorthalidone	Chlorthalidone	29	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	28	22
Oxycodone Hcl	Oxycodone Hcl	28	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	26	21
Ozempic	Semaglutide	26	suppressed
Trulicity	Dulaglutide	26	suppressed
Pregabalin	Pregabalin	25	suppressed
Tizanidine Hcl	Tizanidine Hcl	25	12
Olmesartan Medoxomil	Olmesartan Medoxomil	24	suppressed
Warfarin Sodium	Warfarin Sodium	24	suppressed
Alprazolam	Alprazolam	23	suppressed
Bupropion Xl	Bupropion Hcl	23	suppressed
Celecoxib	Celecoxib	23	suppressed
Mirtazapine	Mirtazapine	23	11
Nitroglycerin	Nitroglycerin	23	12
Alendronate Sodium	Alendronate Sodium	22	suppressed
Irbesartan	Irbesartan	22	suppressed
Amoxicillin	Amoxicillin	21	12
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	21	suppressed
Trazodone Hcl	Trazodone Hcl	21	suppressed
Benazepril Hcl	Benazepril Hcl	20	suppressed
Diclofenac Sodium	Diclofenac Sodium	20	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	20	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	19	suppressed
Lovastatin	Lovastatin	19	suppressed
Mometasone Furoate	Mometasone Furoate	19	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	19	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	19	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	18	suppressed
Levofloxacin	Levofloxacin	18	17
Nifedipine Er	Nifedipine	18	suppressed
Ondansetron Hcl	Ondansetron Hcl	18	suppressed
Clonazepam	Clonazepam	16	suppressed
Clonidine Hcl	Clonidine Hcl	16	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	15	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	15	suppressed
Dilt-Xr	Diltiazem Hcl	15	suppressed
Fluconazole	Fluconazole	15	suppressed
Fluocinonide	Fluocinonide	15	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	15	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	14	suppressed
Bumetanide	Bumetanide	14	suppressed
Ezetimibe	Ezetimibe	14	suppressed
Levetiracetam	Levetiracetam	14	suppressed
Farxiga	Dapagliflozin Propanediol	13	suppressed
Fenofibrate	Fenofibrate	13	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	13	suppressed
Levalbuterol Tartrate Hfa	Levalbuterol Tartrate	13	suppressed
Midodrine Hcl	Midodrine Hcl	13	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	13	12
Quetiapine Fumarate	Quetiapine Fumarate	13	suppressed
Valacyclovir	Valacyclovir Hcl	13	suppressed
Acyclovir	Acyclovir	12	suppressed
Cephalexin	Cephalexin	12	12
Crestor	Rosuvastatin Calcium	12	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	12	suppressed
Glimepiride	Glimepiride	12	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	12	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Ramipril	Ramipril	12	suppressed
Synthroid	Levothyroxine Sodium	12	suppressed
Aripiprazole	Aripiprazole	11	suppressed
Clindamycin Phosphate	Clindamycin Phosphate	11	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	11	suppressed
Digoxin	Digoxin	11	suppressed
Lagevrio (Eua)	Molnupiravir	11	11
Topiramate	Topiramate	11	suppressed
Tradjenta	Linagliptin	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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