Healthcare provider profile · identity verified

Michael E Martin, M.D.

Internal Medicine · PORTSMOUTH, OH · NPI 1629170600

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
Levothyroxine Sodium	Levothyroxine Sodium	592	144
Atorvastatin Calcium	Atorvastatin Calcium	491	134
Amlodipine Besylate	Amlodipine Besylate	478	124
Lisinopril	Lisinopril	390	110
Gabapentin	Gabapentin	279	67
Metformin Hcl	Metformin Hcl	267	72
Pantoprazole Sodium	Pantoprazole Sodium	259	70
Losartan Potassium	Losartan Potassium	254	68
Metoprolol Succinate	Metoprolol Succinate	223	63
Omeprazole	Omeprazole	217	55
Potassium Chloride	Potassium Chloride	197	56
Simvastatin	Simvastatin	172	45
Rosuvastatin Calcium	Rosuvastatin Calcium	170	54
Furosemide	Furosemide	162	43
Duloxetine Hcl	Duloxetine Hcl	151	30
Carvedilol	Carvedilol	150	39
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	146	22
Montelukast Sodium	Montelukast Sodium	135	37
Hydrochlorothiazide	Hydrochlorothiazide	134	41
Tamsulosin Hcl	Tamsulosin Hcl	133	37
Sertraline Hcl	Sertraline Hcl	129	37
Chlorthalidone	Chlorthalidone	127	41
Tramadol Hcl	Tramadol Hcl	122	24
Allopurinol	Allopurinol	121	31
Spironolactone	Spironolactone	116	28
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	111	30
Clopidogrel	Clopidogrel Bisulfate	109	33
Ezetimibe	Ezetimibe	94	25
Synthroid	Levothyroxine Sodium	92	25
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	91	18
Ozempic	Semaglutide	89	15
Eliquis	Apixaban	83	22
Lorazepam	Lorazepam	83	21
Famotidine	Famotidine	80	32
Fluticasone Propionate	Fluticasone Propionate	79	26
Glimepiride	Glimepiride	79	21
Farxiga	Dapagliflozin Propanediol	78	15
Xarelto	Rivaroxaban	76	14
Albuterol Sulfate Hfa	Albuterol Sulfate	73	23
Tizanidine Hcl	Tizanidine Hcl	73	13
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	70	suppressed
Jardiance	Empagliflozin	69	14
Donepezil Hcl	Donepezil Hcl	67	20
Quetiapine Fumarate	Quetiapine Fumarate	66	14
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	62	18
Valsartan	Valsartan	62	15
Alprazolam	Alprazolam	59	11
Metoprolol Tartrate	Metoprolol Tartrate	59	12
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	58	17
Celecoxib	Celecoxib	57	21
Ropinirole Hcl	Ropinirole Hcl	57	12
Trazodone Hcl	Trazodone Hcl	57	11
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	52	16
Mounjaro	Tirzepatide	52	suppressed
Meloxicam	Meloxicam	51	18
Olmesartan Medoxomil	Olmesartan Medoxomil	51	17
Prednisone	Prednisone	50	19
Amitriptyline Hcl	Amitriptyline Hcl	49	suppressed
Suboxone	Buprenorphine Hcl/Naloxone Hcl	49	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	48	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	48	14
Pravastatin Sodium	Pravastatin Sodium	47	12
Methylprednisolone	Methylprednisolone	46	38
Warfarin Sodium	Warfarin Sodium	46	11
Pregabalin	Pregabalin	42	11
Cephalexin	Cephalexin	41	30
Ibuprofen	Ibuprofen	40	16
Glipizide	Glipizide	39	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	38	12
Citalopram Hbr	Citalopram Hydrobromide	36	12
Estradiol	Estradiol	36	suppressed
Morphine Sulfate Er	Morphine Sulfate	36	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	35	suppressed
Sotalol	Sotalol Hcl	34	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	32	suppressed
Methotrexate	Methotrexate Sodium	32	suppressed
Nifedipine Er	Nifedipine	32	11
Repaglinide	Repaglinide	31	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	30	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	30	suppressed
Atenolol	Atenolol	28	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	28	suppressed
Azithromycin	Azithromycin	27	24
Hydralazine Hcl	Hydralazine Hcl	27	suppressed
Amiodarone Hcl	Amiodarone Hcl	26	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	26	suppressed
Myrbetriq	Mirabegron	26	suppressed
Naproxen	Naproxen	26	suppressed
Buspirone Hcl	Buspirone Hcl	25	12
Glipizide Er	Glipizide	25	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	25	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	25	suppressed
Irbesartan	Irbesartan	24	suppressed
Lovastatin	Lovastatin	24	suppressed
Zonisamide	Zonisamide	24	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	23	suppressed
Finasteride	Finasteride	22	suppressed
Metformin Hcl Er	Metformin Hcl	22	suppressed
Ondansetron Hcl	Ondansetron Hcl	22	14
Diazepam	Diazepam	21	suppressed
Methocarbamol	Methocarbamol	21	suppressed
Premarin	Estrogens, Conjugated	21	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	21	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	21	suppressed
Baclofen	Baclofen	20	suppressed
Nitroglycerin	Nitroglycerin	20	suppressed
Acyclovir	Acyclovir	19	suppressed
Alendronate Sodium	Alendronate Sodium	19	suppressed
Ipratropium Bromide	Ipratropium Bromide	19	suppressed
Colchicine	Colchicine	18	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	18	suppressed
Meclizine Hcl	Meclizine Hcl	18	suppressed
Promethazine Hcl	Promethazine Hcl	18	suppressed
Amoxicillin	Amoxicillin	17	12
Lidocaine	Lidocaine	17	suppressed
Memantine Hcl	Memantine Hcl	17	suppressed
Ampicillin Trihydrate	Ampicillin Trihydrate	16	13
Buprenorphine Hcl	Buprenorphine Hcl	16	suppressed
Bupropion Hcl Sr	Bupropion Hcl	16	suppressed
Fluconazole	Fluconazole	16	13
Ibu	Ibuprofen	16	suppressed
Mirtazapine	Mirtazapine	16	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	16	16
Rivastigmine	Rivastigmine Tartrate	16	suppressed
Sublocade	Buprenorphine	16	suppressed
Bupropion Xl	Bupropion Hcl	15	suppressed
Clonazepam	Clonazepam	15	suppressed
Ondansetron Odt	Ondansetron	15	suppressed
Oxazepam	Oxazepam	15	suppressed
Prasugrel Hcl	Prasugrel Hcl	15	suppressed
Spiriva Respimat	Tiotropium Bromide	15	suppressed
Sucralfate	Sucralfate	15	suppressed
Colesevelam Hcl	Colesevelam Hcl	14	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	14	suppressed
Januvia	Sitagliptin Phosphate	14	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	13	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	13	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	13	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	13	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	13	suppressed
Clobetasol Propionate	Clobetasol Propionate	12	suppressed
Clonidine Hcl	Clonidine Hcl	12	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	12	suppressed
Oxycodone Hcl	Oxycodone Hcl	12	suppressed
Testosterone Cypionate	Testosterone Cypionate	12	suppressed
Benazepril Hcl	Benazepril Hcl	11	suppressed
Candesartan Cilexetil	Candesartan Cilexetil	11	suppressed
Clotrimazole	Clotrimazole	11	suppressed
Comfort Ez Pen Needle	Pen Needle, Diabetic	11	suppressed
Diclofenac Sodium	Diclofenac Sodium	11	suppressed
Eplerenone	Eplerenone	11	suppressed
Folic Acid	Folic Acid	11	suppressed
Lansoprazole	Lansoprazole	11	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	11	suppressed
Paroxetine Hcl	Paroxetine Hcl	11	suppressed
Ranolazine Er	Ranolazine	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