Healthcare provider profile · identity verified

Michael R Schwarzenberg, MD

Family Practice · KINGWOOD, WV · NPI 1598751687

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	438	90
Amlodipine Besylate	Amlodipine Besylate	358	71
Levothyroxine Sodium	Levothyroxine Sodium	349	55
Furosemide	Furosemide	308	65
Rosuvastatin Calcium	Rosuvastatin Calcium	288	82
Lisinopril	Lisinopril	277	72
Losartan Potassium	Losartan Potassium	276	59
Omeprazole	Omeprazole	258	59
Metoprolol Succinate	Metoprolol Succinate	253	66
Metoprolol Tartrate	Metoprolol Tartrate	231	45
Clopidogrel	Clopidogrel Bisulfate	227	41
Potassium Chloride	Potassium Chloride	223	38
Metformin Hcl	Metformin Hcl	205	46
Eliquis	Apixaban	204	37
Pantoprazole Sodium	Pantoprazole Sodium	194	43
Tamsulosin Hcl	Tamsulosin Hcl	194	52
Gabapentin	Gabapentin	192	51
Duloxetine Hcl	Duloxetine Hcl	190	24
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	178	31
Famotidine	Famotidine	169	29
Donepezil Hcl	Donepezil Hcl	168	20
Atenolol	Atenolol	153	32
Escitalopram Oxalate	Escitalopram Oxalate	152	22
Tramadol Hcl	Tramadol Hcl	134	31
Glimepiride	Glimepiride	132	43
Mirtazapine	Mirtazapine	132	21
Lorazepam	Lorazepam	130	26
Memantine Hcl	Memantine Hcl	128	12
Alprazolam	Alprazolam	124	22
Baclofen	Baclofen	114	suppressed
Xarelto	Rivaroxaban	110	17
Meloxicam	Meloxicam	108	28
Prednisone	Prednisone	101	56
Ezetimibe	Ezetimibe	95	20
Trazodone Hcl	Trazodone Hcl	95	suppressed
Citalopram Hbr	Citalopram Hydrobromide	93	12
Pravastatin Sodium	Pravastatin Sodium	93	16
Allopurinol	Allopurinol	92	22
Fenofibrate	Fenofibrate	90	13
Pioglitazone Hcl	Pioglitazone Hcl	89	24
Isosorbide Mononitrate Er	Isosorbide Mononitrate	84	14
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	81	21
Spironolactone	Spironolactone	81	26
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	79	13
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	74	18
Fluticasone Propionate	Fluticasone Propionate	72	29
Amoxicillin	Amoxicillin	71	38
Azithromycin	Azithromycin	71	29
Quetiapine Fumarate	Quetiapine Fumarate	68	11
Oxybutynin Chloride Er	Oxybutynin Chloride	65	suppressed
Cefuroxime	Cefuroxime Axetil	64	31
Divalproex Sodium	Divalproex Sodium	64	suppressed
Ondansetron Hcl	Ondansetron Hcl	64	suppressed
Finasteride	Finasteride	63	19
Albuterol Sulfate Hfa	Albuterol Sulfate	59	23
Simvastatin	Simvastatin	59	18
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	59	21
Glipizide	Glipizide	57	19
Ozempic	Semaglutide	57	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	56	15
Jardiance	Empagliflozin	55	suppressed
Rybelsus	Semaglutide	55	16
Levetiracetam	Levetiracetam	54	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	53	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	53	18
Acetaminophen-Codeine	Acetaminophen With Codeine	52	13
Guanfacine Hcl	Guanfacine Hcl	51	suppressed
Medroxyprogesterone Acetate	Medroxyprogesterone Acetate	51	suppressed
Sertraline Hcl	Sertraline Hcl	49	15
Zolpidem Tartrate	Zolpidem Tartrate	48	13
Oxycodone Hcl	Oxycodone Hcl	46	suppressed
Pregabalin	Pregabalin	46	12
Celecoxib	Celecoxib	44	14
Hydrochlorothiazide	Hydrochlorothiazide	44	20
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	44	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	43	21
Cephalexin	Cephalexin	42	25
Hydrocortisone	Hydrocortisone	42	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	41	26
Buspirone Hcl	Buspirone Hcl	40	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	39	14
Lamotrigine	Lamotrigine	37	suppressed
Diclofenac Sodium	Diclofenac Sodium	36	suppressed
Hydralazine Hcl	Hydralazine Hcl	36	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	35	suppressed
Memantine Hcl Er	Memantine Hcl	35	suppressed
Carvedilol	Carvedilol	33	12
Torsemide	Torsemide	33	suppressed
Januvia	Sitagliptin Phosphate	32	suppressed
Tresiba Flextouch U-200	Insulin Degludec	32	suppressed
Bumetanide	Bumetanide	31	suppressed
Ibuprofen	Ibuprofen	31	suppressed
Propranolol Hcl Er	Propranolol Hcl	31	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	30	suppressed
Montelukast Sodium	Montelukast Sodium	29	12
Clonazepam	Clonazepam	28	suppressed
Levofloxacin	Levofloxacin	28	19
Fluconazole	Fluconazole	27	16
Nitroglycerin	Nitroglycerin	26	17
Nystatin	Nystatin	26	13
Ropinirole Hcl	Ropinirole Hcl	26	suppressed
Temazepam	Temazepam	26	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	26	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	25	suppressed
Nebivolol Hcl	Nebivolol Hcl	25	suppressed
Nifedipine Er	Nifedipine	25	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	24	suppressed
Mounjaro	Tirzepatide	24	suppressed
Metformin Hcl Er	Metformin Hcl	23	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	22	suppressed
Meclizine Hcl	Meclizine Hcl	21	14
Verapamil Er	Verapamil Hcl	21	suppressed
Lansoprazole	Lansoprazole	20	suppressed
Lovastatin	Lovastatin	20	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	20	suppressed
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Diazepam	Diazepam	19	suppressed
Farxiga	Dapagliflozin Propanediol	19	suppressed
Ondansetron Odt	Ondansetron	19	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	19	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	19	suppressed
Olanzapine	Olanzapine	18	suppressed
Tresiba Flextouch U-100	Insulin Degludec	18	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	17	suppressed
Nitroglycerin Patch	Nitroglycerin	17	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	17	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	15	suppressed
Dexlansoprazole Dr	Dexlansoprazole	15	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	15	11
Gemfibrozil	Gemfibrozil	15	suppressed
Ipratropium Bromide	Ipratropium Bromide	15	suppressed
Levemir Flexpen	Insulin Detemir	15	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	15	suppressed
Ramipril	Ramipril	15	suppressed
Ranolazine Er	Ranolazine	15	suppressed
Triazolam	Triazolam	15	suppressed
Digoxin	Digoxin	14	suppressed
Humalog Kwikpen U-100	Insulin Lispro	14	suppressed
Midodrine Hcl	Midodrine Hcl	14	suppressed
Naproxen	Naproxen	14	suppressed
Novolin N	Insulin Nph Human Isophane	14	suppressed
Paroxetine Hcl	Paroxetine Hcl	14	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	14	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	14	suppressed
Bydureon Bcise	Exenatide Microspheres	13	suppressed
Carbamazepine Er	Carbamazepine	13	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	13	suppressed
Clonidine Hcl	Clonidine Hcl	13	suppressed
Budesonide	Budesonide	12	suppressed
Entresto	Sacubitril/Valsartan	12	suppressed
Terbinafine Hcl	Terbinafine Hcl	12	suppressed
Valacyclovir	Valacyclovir Hcl	12	suppressed
Amiodarone Hcl	Amiodarone Hcl	11	suppressed
Chlorthalidone	Chlorthalidone	11	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	11	suppressed
Mupirocin	Mupirocin	11	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	11	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	11	suppressed
Warfarin Sodium	Warfarin Sodium	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