Healthcare provider profile · identity verified

Michael David Martz, DO

Family Practice · LIMA, OH · NPI 1477563740

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	868	238
Levothyroxine Sodium	Levothyroxine Sodium	569	146
Amlodipine Besylate	Amlodipine Besylate	519	152
Lisinopril	Lisinopril	424	119
Omeprazole	Omeprazole	400	114
Metoprolol Succinate	Metoprolol Succinate	368	104
Pantoprazole Sodium	Pantoprazole Sodium	366	109
Metformin Hcl	Metformin Hcl	346	95
Gabapentin	Gabapentin	309	91
Pravastatin Sodium	Pravastatin Sodium	277	71
Synthroid	Levothyroxine Sodium	276	61
Metoprolol Tartrate	Metoprolol Tartrate	262	71
Rosuvastatin Calcium	Rosuvastatin Calcium	250	76
Hydrochlorothiazide	Hydrochlorothiazide	224	61
Simvastatin	Simvastatin	218	57
Metformin Hcl Er	Metformin Hcl	213	57
Tamsulosin Hcl	Tamsulosin Hcl	205	58
Albuterol Sulfate Hfa	Albuterol Sulfate	203	60
Sertraline Hcl	Sertraline Hcl	192	59
Meloxicam	Meloxicam	169	51
Jardiance	Empagliflozin	164	35
Escitalopram Oxalate	Escitalopram Oxalate	161	48
Ozempic	Semaglutide	160	29
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	158	42
Glimepiride	Glimepiride	146	41
Duloxetine Hcl	Duloxetine Hcl	142	36
Eliquis	Apixaban	138	36
Trazodone Hcl	Trazodone Hcl	131	40
Famotidine	Famotidine	130	40
Tramadol Hcl	Tramadol Hcl	127	42
Lorazepam	Lorazepam	126	27
Losartan Potassium	Losartan Potassium	122	36
Clopidogrel	Clopidogrel Bisulfate	121	32
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	118	25
Prednisone	Prednisone	117	80
Allopurinol	Allopurinol	114	32
Alprazolam	Alprazolam	110	28
Citalopram Hbr	Citalopram Hydrobromide	110	36
Celecoxib	Celecoxib	108	30
Fluticasone Propionate	Fluticasone Propionate	108	36
Furosemide	Furosemide	106	39
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	105	24
Zolpidem Tartrate	Zolpidem Tartrate	103	26
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	99	29
Trulicity	Dulaglutide	99	18
Buspirone Hcl	Buspirone Hcl	94	29
Carvedilol	Carvedilol	92	24
Hydroxyzine Hcl	Hydroxyzine Hcl	91	30
Pioglitazone Hcl	Pioglitazone Hcl	90	25
Quetiapine Fumarate	Quetiapine Fumarate	85	20
Potassium Chloride	Potassium Chloride	84	27
Valsartan	Valsartan	84	26
Alendronate Sodium	Alendronate Sodium	80	19
Pregabalin	Pregabalin	80	17
Montelukast Sodium	Montelukast Sodium	77	26
Benazepril Hcl	Benazepril Hcl	76	19
Doxycycline Hyclate	Doxycycline Hyclate	76	54
Esomeprazole Magnesium	Esomeprazole Magnesium	75	18
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	74	15
Ropinirole Hcl	Ropinirole Hcl	73	16
Amitriptyline Hcl	Amitriptyline Hcl	72	24
Olmesartan Medoxomil	Olmesartan Medoxomil	71	20
Isosorbide Mononitrate Er	Isosorbide Mononitrate	68	21
Finasteride	Finasteride	67	22
Naproxen	Naproxen	66	17
Mounjaro	Tirzepatide	65	16
Ramipril	Ramipril	65	19
Tizanidine Hcl	Tizanidine Hcl	64	22
Ezetimibe	Ezetimibe	61	14
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	57	15
Irbesartan	Irbesartan	56	14
Methylprednisolone	Methylprednisolone	55	47
Estradiol	Estradiol	54	12
Atenolol	Atenolol	53	14
Januvia	Sitagliptin Phosphate	53	14
Diclofenac Sodium	Diclofenac Sodium	51	13
Bumetanide	Bumetanide	50	16
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	46	suppressed
Donepezil Hcl	Donepezil Hcl	45	12
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	45	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	43	14
Venlafaxine Hcl Er	Venlafaxine Hcl	43	suppressed
Ondansetron Odt	Ondansetron	42	26
Temazepam	Temazepam	42	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	41	31
Clonazepam	Clonazepam	40	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	39	28
Paroxetine Hcl	Paroxetine Hcl	39	11
Spironolactone	Spironolactone	39	14
Lovastatin	Lovastatin	38	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	38	13
Doxazosin Mesylate	Doxazosin Mesylate	37	11
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	36	12
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	35	11
Hydralazine Hcl	Hydralazine Hcl	35	suppressed
Synjardy	Empagliflozin/Metformin Hcl	34	suppressed
Amlodipine-Valsartan	Amlodipine Besylate/Valsartan	32	suppressed
Baclofen	Baclofen	32	15
Bupropion Xl	Bupropion Hcl	32	12
Fenofibrate	Fenofibrate	32	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	32	suppressed
Tradjenta	Linagliptin	32	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	31	24
Mupirocin	Mupirocin	31	18
Mirtazapine	Mirtazapine	30	suppressed
Primidone	Primidone	30	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	30	suppressed
Meclizine Hcl	Meclizine Hcl	29	23
Rybelsus	Semaglutide	29	suppressed
Pioglitazone-Metformin	Pioglitazone Hcl/Metformin Hcl	28	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	28	suppressed
Aripiprazole	Aripiprazole	27	suppressed
Breo Ellipta	Fluticasone/Vilanterol	27	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	27	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	27	20
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	27	11
Chlorthalidone	Chlorthalidone	26	suppressed
Verapamil Er	Verapamil Hcl	26	suppressed
Warfarin Sodium	Warfarin Sodium	26	suppressed
Clonidine Hcl	Clonidine Hcl	25	suppressed
Humalog Kwikpen U-100	Insulin Lispro	25	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	25	16
Nitroglycerin	Nitroglycerin	25	19
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	25	suppressed
Ventolin Hfa	Albuterol Sulfate	25	16
Amlodipine-Olmesartan	Amlodipine Bes/Olmesartan Med	24	suppressed
Myrbetriq	Mirabegron	24	suppressed
Topiramate	Topiramate	24	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	23	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	23	suppressed
Ondansetron Hcl	Ondansetron Hcl	23	suppressed
Propranolol Hcl	Propranolol Hcl	23	suppressed
Tresiba Flextouch U-100	Insulin Degludec	23	suppressed
Acyclovir	Acyclovir	22	suppressed
Azelastine Hcl	Azelastine Hcl	22	suppressed
Ipratropium Bromide	Ipratropium Bromide	22	suppressed
Raloxifene Hcl	Raloxifene Hcl	22	suppressed
Fluocinonide	Fluocinonide	21	19
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	21	suppressed
Novolog Flexpen	Insulin Aspart	21	suppressed
Amoxicillin	Amoxicillin	20	13
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	20	suppressed
Klor-Con M20	Potassium Chloride	20	suppressed
Diazepam	Diazepam	19	suppressed
Nystatin	Nystatin	19	suppressed
Propranolol Hcl Er	Propranolol Hcl	19	suppressed
Amiodarone Hcl	Amiodarone Hcl	18	suppressed
Fluconazole	Fluconazole	18	11
Incruse Ellipta	Umeclidinium Bromide	18	suppressed
Cefdinir	Cefdinir	17	12
Enalapril Maleate	Enalapril Maleate	17	suppressed
Ibuprofen	Ibuprofen	17	suppressed
Valacyclovir	Valacyclovir Hcl	17	11
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	16	suppressed
Doxepin Hcl	Doxepin Hcl	16	suppressed
Entresto	Sacubitril/Valsartan	16	suppressed
Farxiga	Dapagliflozin Propanediol	16	suppressed
Lansoprazole	Lansoprazole	16	suppressed
Levofloxacin	Levofloxacin	16	suppressed
Memantine Hcl	Memantine Hcl	16	suppressed
Solifenacin Succinate	Solifenacin Succinate	16	suppressed
Spiriva Respimat	Tiotropium Bromide	16	suppressed
Xarelto	Rivaroxaban	16	suppressed
Eszopiclone	Eszopiclone	15	suppressed
Glipizide	Glipizide	15	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	15	suppressed
Premarin	Estrogens, Conjugated	15	suppressed
Azithromycin	Azithromycin	14	13
Bisoprolol Fumarate	Bisoprolol Fumarate	14	suppressed
Cefadroxil	Cefadroxil	14	13
Sumatriptan Succinate	Sumatriptan Succinate	14	suppressed
Terazosin Hcl	Terazosin Hcl	14	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	13	suppressed
Levetiracetam	Levetiracetam	13	suppressed
Novolin N	Insulin Nph Human Isophane	13	suppressed
Crestor	Rosuvastatin Calcium	12	suppressed
Dextroamphetamine Sulfate Er	Dextroamphetamine Sulfate	12	suppressed
Dutasteride	Dutasteride	12	suppressed
Nabumetone	Nabumetone	12	suppressed
Novolin R	Insulin Regular, Human	12	suppressed
Omnipod 5 Dexg7g6 Pods (Gen 5)	Insulin Pump Cart,auto,bt,g6/7	12	suppressed
Sucralfate	Sucralfate	12	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	12	suppressed
Armodafinil	Armodafinil	11	suppressed
Droplet Pen Needle	Pen Needle, Diabetic	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