Healthcare provider profile · identity verified

Michael H. Clark, M.D.

Family Practice · NEW CASTLE, ME · NPI 1982685459

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	469	116
Lisinopril	Lisinopril	358	93
Rosuvastatin Calcium	Rosuvastatin Calcium	273	73
Levothyroxine Sodium	Levothyroxine Sodium	254	66
Losartan Potassium	Losartan Potassium	254	60
Amlodipine Besylate	Amlodipine Besylate	235	64
Metoprolol Succinate	Metoprolol Succinate	172	48
Sertraline Hcl	Sertraline Hcl	147	33
Gabapentin	Gabapentin	138	33
Lorazepam	Lorazepam	138	42
Eliquis	Apixaban	137	40
Hydrochlorothiazide	Hydrochlorothiazide	124	39
Ozempic	Semaglutide	120	15
Albuterol Sulfate Hfa	Albuterol Sulfate	117	36
Tramadol Hcl	Tramadol Hcl	115	23
Tamsulosin Hcl	Tamsulosin Hcl	114	31
Escitalopram Oxalate	Escitalopram Oxalate	112	25
Simvastatin	Simvastatin	112	31
Omeprazole	Omeprazole	109	32
Metformin Hcl Er	Metformin Hcl	106	28
Alprazolam	Alprazolam	92	16
Bupropion Xl	Bupropion Hcl	77	25
Duloxetine Hcl	Duloxetine Hcl	76	17
Pantoprazole Sodium	Pantoprazole Sodium	71	18
Atenolol	Atenolol	70	19
Famotidine	Famotidine	69	19
Finasteride	Finasteride	69	17
Prednisone	Prednisone	63	23
Allopurinol	Allopurinol	60	18
Citalopram Hbr	Citalopram Hydrobromide	60	13
Irbesartan	Irbesartan	58	12
Donepezil Hcl	Donepezil Hcl	54	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	54	14
Jardiance	Empagliflozin	51	11
Ezetimibe	Ezetimibe	49	13
Fluoxetine Hcl	Fluoxetine Hcl	49	12
Shingrix	Varicella-Zoster Ge/As01b/Pf	47	36
Clonazepam	Clonazepam	46	suppressed
Diazepam	Diazepam	46	suppressed
Furosemide	Furosemide	45	12
Doxycycline Hyclate	Doxycycline Hyclate	44	37
Trazodone Hcl	Trazodone Hcl	44	11
Mounjaro	Tirzepatide	43	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	42	12
Synthroid	Levothyroxine Sodium	41	suppressed
Meloxicam	Meloxicam	39	suppressed
Metformin Hcl	Metformin Hcl	39	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	39	suppressed
Oxycodone Hcl	Oxycodone Hcl	38	13
Ketoconazole	Ketoconazole	37	15
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	36	11
Tizanidine Hcl	Tizanidine Hcl	36	17
Buspirone Hcl	Buspirone Hcl	34	suppressed
Abrysvo	Rsv Vacc, Pref A And Pref B/Pf	33	33
Sumatriptan Succinate	Sumatriptan Succinate	33	suppressed
Valacyclovir	Valacyclovir Hcl	33	13
Metoprolol Tartrate	Metoprolol Tartrate	32	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	31	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	31	19
Warfarin Sodium	Warfarin Sodium	31	suppressed
Potassium Chloride	Potassium Chloride	30	12
Pravastatin Sodium	Pravastatin Sodium	30	suppressed
Carvedilol	Carvedilol	29	suppressed
Celecoxib	Celecoxib	29	suppressed
Glipizide Er	Glipizide	29	12
Nortriptyline Hcl	Nortriptyline Hcl	28	suppressed
Boostrix Tdap	Diphth,pertuss(Acell),tet Vac	27	27
Azithromycin	Azithromycin	26	23
Cephalexin	Cephalexin	25	18
Methadone Hcl	Methadone Hcl	24	suppressed
Clopidogrel	Clopidogrel Bisulfate	23	suppressed
Fluticasone Propionate	Fluticasone Propionate	23	suppressed
Lansoprazole	Lansoprazole	23	suppressed
Lexapro	Escitalopram Oxalate	23	suppressed
Spironolactone	Spironolactone	23	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	23	15
Valsartan	Valsartan	23	suppressed
Xarelto	Rivaroxaban	23	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	23	suppressed
Alendronate Sodium	Alendronate Sodium	22	suppressed
Amoxicillin	Amoxicillin	22	12
Baclofen	Baclofen	22	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	22	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	22	suppressed
Fluconazole	Fluconazole	21	suppressed
Lamotrigine	Lamotrigine	21	suppressed
Mupirocin	Mupirocin	21	15
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	21	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	20	15
Ondansetron Odt	Ondansetron	20	14
Spiriva Handihaler	Tiotropium Bromide	20	suppressed
Benazepril Hcl	Benazepril Hcl	19	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	19	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	19	suppressed
Bumetanide	Bumetanide	18	suppressed
Solifenacin Succinate	Solifenacin Succinate	18	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	18	14
Verapamil Er	Verapamil Hcl	18	suppressed
Montelukast Sodium	Montelukast Sodium	17	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	17	suppressed
Risperidone	Risperidone	16	suppressed
Advair Diskus	Fluticasone Propion/Salmeterol	15	suppressed
Clobetasol Propionate	Clobetasol Propionate	15	11
Enalapril Maleate	Enalapril Maleate	15	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	14	suppressed
Diclofenac Sodium	Diclofenac Sodium	14	suppressed
Paroxetine Hcl	Paroxetine Hcl	14	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	14	suppressed
Aripiprazole	Aripiprazole	13	suppressed
Candesartan Cilexetil	Candesartan Cilexetil	13	suppressed
Creon	Lipase/Protease/Amylase	13	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	13	suppressed
Novolog Flexpen	Insulin Aspart	13	suppressed
Oxycontin	Oxycodone Hcl	13	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	13	13
Chlorthalidone	Chlorthalidone	12	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	12	suppressed
Meclizine Hcl	Meclizine Hcl	12	suppressed
Nitroglycerin	Nitroglycerin	12	suppressed
Pregabalin	Pregabalin	12	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	12	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	12	suppressed
Clonidine	Clonidine	11	suppressed
Estradiol	Estradiol	11	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	11	suppressed
Verapamil Er Pm	Verapamil 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