Healthcare provider profile · identity verified

Robert Mark Znidarsic, MD

Family Practice · CHARDON, OH · NPI 1144281288

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
Rosuvastatin Calcium	Rosuvastatin Calcium	667	183
Atorvastatin Calcium	Atorvastatin Calcium	559	147
Levothyroxine Sodium	Levothyroxine Sodium	548	115
Amlodipine Besylate	Amlodipine Besylate	499	131
Lisinopril	Lisinopril	414	110
Losartan Potassium	Losartan Potassium	335	86
Omeprazole	Omeprazole	264	72
Pantoprazole Sodium	Pantoprazole Sodium	251	69
Metoprolol Succinate	Metoprolol Succinate	244	66
Pravastatin Sodium	Pravastatin Sodium	213	52
Tamsulosin Hcl	Tamsulosin Hcl	211	57
Irbesartan	Irbesartan	207	47
Metformin Hcl	Metformin Hcl	197	53
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	169	43
Potassium Chloride	Potassium Chloride	165	49
Allopurinol	Allopurinol	156	42
Trazodone Hcl	Trazodone Hcl	156	39
Metoprolol Tartrate	Metoprolol Tartrate	155	31
Ozempic	Semaglutide	154	25
Gabapentin	Gabapentin	149	42
Metformin Hcl Er	Metformin Hcl	148	37
Albuterol Sulfate Hfa	Albuterol Sulfate	134	55
Sertraline Hcl	Sertraline Hcl	134	34
Mounjaro	Tirzepatide	130	17
Hydrochlorothiazide	Hydrochlorothiazide	126	35
Meloxicam	Meloxicam	120	33
Escitalopram Oxalate	Escitalopram Oxalate	119	30
Furosemide	Furosemide	119	31
Eliquis	Apixaban	115	22
Glimepiride	Glimepiride	109	34
Fluticasone Propionate	Fluticasone Propionate	101	37
Methylprednisolone	Methylprednisolone	100	73
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	98	24
Bupropion Xl	Bupropion Hcl	97	21
Simvastatin	Simvastatin	93	25
Ibandronate Sodium	Ibandronate Sodium	88	27
Carvedilol	Carvedilol	83	22
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	81	20
Warfarin Sodium	Warfarin Sodium	81	17
Mirtazapine	Mirtazapine	80	23
Montelukast Sodium	Montelukast Sodium	77	21
Olmesartan Medoxomil	Olmesartan Medoxomil	77	24
Prednisone	Prednisone	76	66
Quetiapine Fumarate	Quetiapine Fumarate	70	suppressed
Ezetimibe	Ezetimibe	69	16
Synthroid	Levothyroxine Sodium	69	21
Famotidine	Famotidine	64	12
Atenolol	Atenolol	63	17
Finasteride	Finasteride	62	15
Tramadol Hcl	Tramadol Hcl	61	17
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	60	13
Duloxetine Hcl	Duloxetine Hcl	58	15
Clopidogrel	Clopidogrel Bisulfate	54	18
Fluoxetine Hcl	Fluoxetine Hcl	53	17
Doxycycline Hyclate	Doxycycline Hyclate	52	45
Azithromycin	Azithromycin	51	42
Farxiga	Dapagliflozin Propanediol	51	12
Jardiance	Empagliflozin	51	12
Zolpidem Tartrate	Zolpidem Tartrate	48	17
Celecoxib	Celecoxib	47	19
Citalopram Hbr	Citalopram Hydrobromide	46	suppressed
Tizanidine Hcl	Tizanidine Hcl	46	16
Amoxicillin	Amoxicillin	44	30
Cephalexin	Cephalexin	43	28
Fosinopril Sodium	Fosinopril Sodium	42	suppressed
Buspirone Hcl	Buspirone Hcl	41	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	41	14
Glipizide Er	Glipizide	40	13
Alprazolam	Alprazolam	38	suppressed
Breo Ellipta	Fluticasone/Vilanterol	37	suppressed
Febuxostat	Febuxostat	36	suppressed
Nebivolol Hcl	Nebivolol Hcl	36	suppressed
Benazepril Hcl	Benazepril Hcl	35	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	34	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	33	suppressed
Xarelto	Rivaroxaban	33	suppressed
Ipratropium Bromide	Ipratropium Bromide	31	12
Torsemide	Torsemide	31	14
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	30	26
Sucralfate	Sucralfate	29	suppressed
Azelastine Hcl	Azelastine Hcl	28	13
Paroxetine Hcl	Paroxetine Hcl	28	suppressed
Donepezil Hcl	Donepezil Hcl	27	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	26	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	25	suppressed
Symbicort	Budesonide/Formoterol Fumarate	25	suppressed
Trulicity	Dulaglutide	25	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	24	suppressed
Spironolactone	Spironolactone	24	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	24	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	24	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	24	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	22	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	22	suppressed
Midodrine Hcl	Midodrine Hcl	22	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	22	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	22	suppressed
Terazosin Hcl	Terazosin Hcl	22	suppressed
Amlodipine-Valsartan	Amlodipine Besylate/Valsartan	21	suppressed
Humulin 70-30	Insulin Nph Hum/Reg Insulin Hm	21	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	21	suppressed
Lorazepam	Lorazepam	21	suppressed
Ropinirole Hcl	Ropinirole Hcl	21	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	19	18
Fiasp Flextouch	Insulin Aspart (Niacinamide)	19	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	19	suppressed
Ramipril	Ramipril	19	suppressed
Scopolamine	Scopolamine	19	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	18	suppressed
Januvia	Sitagliptin Phosphate	18	suppressed
Clonidine Hcl	Clonidine Hcl	17	suppressed
Methocarbamol	Methocarbamol	17	suppressed
Propranolol Hcl Er	Propranolol Hcl	17	suppressed
Valacyclovir	Valacyclovir Hcl	17	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	16	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	16	suppressed
Incruse Ellipta	Umeclidinium Bromide	16	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	15	suppressed
Levocarnitine	Levocarnitine	15	suppressed
Mupirocin	Mupirocin	15	11
Paxlovid	Nirmatrelvir/Ritonavir	15	14
Tresiba Flextouch U-200	Insulin Degludec	15	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	14	12
Isosorbide Mononitrate Er	Isosorbide Mononitrate	14	suppressed
Meclizine Hcl	Meclizine Hcl	14	suppressed
Ondansetron Hcl	Ondansetron Hcl	14	suppressed
Amiodarone Hcl	Amiodarone Hcl	13	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	13	suppressed
Ciclopirox	Ciclopirox Olamine	13	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	13	suppressed
Hydralazine Hcl	Hydralazine Hcl	13	suppressed
Ibuprofen	Ibuprofen	13	suppressed
Rybelsus	Semaglutide	13	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	13	suppressed
Diltiazem 24hr Er (La)	Diltiazem Hcl	12	suppressed
Theophylline Er	Theophylline Anhydrous	12	suppressed
Acyclovir	Acyclovir	11	suppressed
Alendronate Sodium	Alendronate Sodium	11	suppressed
Dilt-Xr	Diltiazem Hcl	11	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	11	suppressed
Lidocaine	Lidocaine	11	suppressed
Nabumetone	Nabumetone	11	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	11	suppressed
Potassium Citrate Er	Potassium Citrate	11	suppressed
Pregabalin	Pregabalin	11	suppressed
Vyvanse	Lisdexamfetamine Dimesylate	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