Healthcare provider profile · identity verified

Paul Clark, MD

Internal Medicine · CONCORD, NH · NPI 1558305367

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	443	117
Amlodipine Besylate	Amlodipine Besylate	315	87
Lisinopril	Lisinopril	300	83
Losartan Potassium	Losartan Potassium	297	75
Levothyroxine Sodium	Levothyroxine Sodium	242	64
Metoprolol Succinate	Metoprolol Succinate	237	61
Furosemide	Furosemide	180	47
Eliquis	Apixaban	166	39
Hydrochlorothiazide	Hydrochlorothiazide	153	44
Omeprazole	Omeprazole	146	38
Tamsulosin Hcl	Tamsulosin Hcl	146	38
Jardiance	Empagliflozin	142	40
Pantoprazole Sodium	Pantoprazole Sodium	141	43
Metoprolol Tartrate	Metoprolol Tartrate	138	35
Simvastatin	Simvastatin	135	36
Gabapentin	Gabapentin	129	34
Sertraline Hcl	Sertraline Hcl	129	29
Spironolactone	Spironolactone	122	37
Rosuvastatin Calcium	Rosuvastatin Calcium	110	33
Xarelto	Rivaroxaban	101	13
Metformin Hcl	Metformin Hcl	98	31
Warfarin Sodium	Warfarin Sodium	93	21
Enalapril Maleate	Enalapril Maleate	88	21
Allopurinol	Allopurinol	83	24
Duloxetine Hcl	Duloxetine Hcl	81	20
Albuterol Sulfate Hfa	Albuterol Sulfate	78	34
Famotidine	Famotidine	76	15
Metformin Hcl Er	Metformin Hcl	73	23
Trazodone Hcl	Trazodone Hcl	73	21
Pravastatin Sodium	Pravastatin Sodium	72	17
Lorazepam	Lorazepam	69	28
Potassium Chloride	Potassium Chloride	66	18
Oxycodone Hcl	Oxycodone Hcl	64	19
Tramadol Hcl	Tramadol Hcl	62	19
Donepezil Hcl	Donepezil Hcl	61	20
Paroxetine Hcl	Paroxetine Hcl	60	22
Carvedilol	Carvedilol	59	17
Mirtazapine	Mirtazapine	59	19
Clopidogrel	Clopidogrel Bisulfate	56	16
Prednisone	Prednisone	54	21
Zolpidem Tartrate	Zolpidem Tartrate	53	18
Atenolol	Atenolol	47	15
Clonazepam	Clonazepam	46	suppressed
Chlorthalidone	Chlorthalidone	42	14
Escitalopram Oxalate	Escitalopram Oxalate	42	suppressed
Fluticasone Propionate	Fluticasone Propionate	42	16
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	42	12
Ozempic	Semaglutide	42	16
Citalopram Hbr	Citalopram Hydrobromide	40	13
Venlafaxine Hcl Er	Venlafaxine Hcl	40	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	39	suppressed
Synthroid	Levothyroxine Sodium	38	14
Alendronate Sodium	Alendronate Sodium	35	13
Quetiapine Fumarate	Quetiapine Fumarate	35	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	34	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	31	suppressed
Bupropion Xl	Bupropion Hcl	31	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	31	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	31	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	31	13
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	30	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	30	18
Isosorbide Mononitrate Er	Isosorbide Mononitrate	28	suppressed
Cephalexin	Cephalexin	27	16
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	27	suppressed
Divalproex Sodium Er	Divalproex Sodium	26	suppressed
Finasteride	Finasteride	26	suppressed
Montelukast Sodium	Montelukast Sodium	26	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	25	11
Alprazolam	Alprazolam	24	11
Amoxicillin	Amoxicillin	23	19
Wixela Inhub	Fluticasone Propion/Salmeterol	23	suppressed
Diclofenac Sodium	Diclofenac Sodium	21	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	21	suppressed
Irbesartan	Irbesartan	21	suppressed
Lansoprazole	Lansoprazole	21	suppressed
Myrbetriq	Mirabegron	21	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	20	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	20	suppressed
Januvia	Sitagliptin Phosphate	19	suppressed
Propranolol Hcl	Propranolol Hcl	19	suppressed
Diazepam	Diazepam	18	suppressed
Ezetimibe	Ezetimibe	18	suppressed
Glyburide	Glyburide	18	suppressed
Hydralazine Hcl	Hydralazine Hcl	18	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	18	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	18	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	18	suppressed
Bupropion Hcl Sr	Bupropion Hcl	17	suppressed
Glimepiride	Glimepiride	17	suppressed
Humalog Kwikpen U-100	Insulin Lispro	17	suppressed
Klor-Con M10	Potassium Chloride	17	suppressed
Memantine Hcl	Memantine Hcl	17	suppressed
Nitroglycerin	Nitroglycerin	17	13
Nystatin	Nystatin	17	12
Dicyclomine Hcl	Dicyclomine Hcl	16	suppressed
Mounjaro	Tirzepatide	16	suppressed
Aripiprazole	Aripiprazole	15	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	15	suppressed
Torsemide	Torsemide	15	suppressed
Baclofen	Baclofen	14	suppressed
Budesonide Dr	Budesonide	14	suppressed
Farxiga	Dapagliflozin Propanediol	14	suppressed
Rexulti	Brexpiprazole	14	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	13	suppressed
Arnuity Ellipta	Fluticasone Furoate	13	suppressed
Telmisartan	Telmisartan	13	suppressed
Terazosin Hcl	Terazosin Hcl	13	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	12	suppressed
Clonidine Hcl	Clonidine Hcl	12	suppressed
Clotrimazole	Clotrimazole	12	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	12	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	12	suppressed
Ibuprofen	Ibuprofen	12	suppressed
Jantoven	Warfarin Sodium	12	suppressed
Pregabalin	Pregabalin	12	suppressed
Acyclovir	Acyclovir	11	suppressed
Breo Ellipta	Fluticasone/Vilanterol	11	suppressed
Carbamazepine Er	Carbamazepine	11	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	11	11
Dutasteride	Dutasteride	11	suppressed
Estradiol	Estradiol	11	suppressed
Glipizide Er	Glipizide	11	suppressed
Nadolol	Nadolol	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