Healthcare provider profile · identity verified

Edward Shaw Warren, MD

Geriatric Medicine · SPARTANBURG, SC · NPI 1992777148

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
Amlodipine Besylate	Amlodipine Besylate	1344	84
Potassium Chloride	Potassium Chloride	1253	57
Furosemide	Furosemide	1192	63
Levothyroxine Sodium	Levothyroxine Sodium	1055	72
Eliquis	Apixaban	1036	62
Gabapentin	Gabapentin	1000	55
Atorvastatin Calcium	Atorvastatin Calcium	859	76
Metoprolol Tartrate	Metoprolol Tartrate	788	44
Omeprazole	Omeprazole	759	44
Pantoprazole Sodium	Pantoprazole Sodium	739	64
Losartan Potassium	Losartan Potassium	592	49
Lisinopril	Lisinopril	570	43
Trazodone Hcl	Trazodone Hcl	514	29
Escitalopram Oxalate	Escitalopram Oxalate	486	40
Clopidogrel	Clopidogrel Bisulfate	481	24
Carvedilol	Carvedilol	428	28
Quetiapine Fumarate	Quetiapine Fumarate	384	21
Mirtazapine	Mirtazapine	377	26
Divalproex Sodium	Divalproex Sodium	364	19
Sertraline Hcl	Sertraline Hcl	360	16
Donepezil Hcl	Donepezil Hcl	349	21
Metoprolol Succinate	Metoprolol Succinate	340	25
Prednisone	Prednisone	330	17
Tamsulosin Hcl	Tamsulosin Hcl	321	38
Hydrochlorothiazide	Hydrochlorothiazide	305	19
Metformin Hcl	Metformin Hcl	279	24
Rosuvastatin Calcium	Rosuvastatin Calcium	273	24
Memantine Hcl	Memantine Hcl	248	23
Xarelto	Rivaroxaban	238	13
Citalopram Hbr	Citalopram Hydrobromide	224	11
Ropinirole Hcl	Ropinirole Hcl	222	13
Famotidine	Famotidine	216	26
Diltiazem Hcl	Diltiazem Hcl	214	16
Simvastatin	Simvastatin	208	14
Baclofen	Baclofen	197	suppressed
Bumetanide	Bumetanide	187	suppressed
Pravastatin Sodium	Pravastatin Sodium	187	11
Duloxetine Hcl	Duloxetine Hcl	182	18
Allopurinol	Allopurinol	164	13
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	164	suppressed
Bethanechol Chloride	Bethanechol Chloride	151	suppressed
Risperidone	Risperidone	150	suppressed
Levetiracetam	Levetiracetam	142	suppressed
Tramadol Hcl	Tramadol Hcl	141	31
Midodrine Hcl	Midodrine Hcl	138	14
Spironolactone	Spironolactone	138	14
Fluoxetine Hcl	Fluoxetine Hcl	137	11
Flecainide Acetate	Flecainide Acetate	134	suppressed
Aripiprazole	Aripiprazole	130	suppressed
Lorazepam	Lorazepam	128	24
Carbidopa-Levodopa	Carbidopa/Levodopa	116	suppressed
Olanzapine	Olanzapine	115	suppressed
Hydralazine Hcl	Hydralazine Hcl	108	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	98	suppressed
Paroxetine Hcl	Paroxetine Hcl	96	suppressed
Atenolol	Atenolol	91	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	87	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	82	suppressed
Buspirone Hcl	Buspirone Hcl	79	suppressed
Montelukast Sodium	Montelukast Sodium	77	14
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	75	32
Sucralfate	Sucralfate	75	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	74	suppressed
Ramipril	Ramipril	72	suppressed
Clonazepam	Clonazepam	70	12
Latanoprost	Latanoprost	69	17
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	67	34
Fluticasone Propionate	Fluticasone Propionate	63	22
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	61	suppressed
Amiodarone Hcl	Amiodarone Hcl	58	suppressed
Chlorthalidone	Chlorthalidone	58	suppressed
Finasteride	Finasteride	58	suppressed
Jardiance	Empagliflozin	58	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	58	suppressed
Bupropion Xl	Bupropion Hcl	57	suppressed
Raloxifene Hcl	Raloxifene Hcl	57	suppressed
Ondansetron Odt	Ondansetron	56	21
Oxcarbazepine	Oxcarbazepine	56	suppressed
Meclizine Hcl	Meclizine Hcl	55	suppressed
Memantine Hcl Er	Memantine Hcl	54	suppressed
Verapamil Er	Verapamil Hcl	54	suppressed
Myrbetriq	Mirabegron	51	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	51	suppressed
Divalproex Sodium Er	Divalproex Sodium	49	suppressed
Topiramate	Topiramate	49	suppressed
Ziprasidone Hcl	Ziprasidone Hcl	48	suppressed
Erythromycin	Erythromycin Base	47	suppressed
Haloperidol	Haloperidol	47	suppressed
Cefdinir	Cefdinir	46	32
Dantrolene Sodium	Dantrolene Sodium	46	suppressed
Acetazolamide	Acetazolamide	45	suppressed
Brilinta	Ticagrelor	45	suppressed
Lithium Carbonate Er	Lithium Carbonate	45	suppressed
Mesalamine	Mesalamine	45	suppressed
Methimazole	Methimazole	45	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	45	suppressed
Roflumilast	Roflumilast	45	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	44	suppressed
Colesevelam Hcl	Colesevelam Hcl	44	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	44	suppressed
Paliperidone Er	Paliperidone	44	suppressed
Rasagiline Mesylate	Rasagiline Mesylate	44	suppressed
Telmisartan	Telmisartan	44	suppressed
Nuedexta	Dextromethorphan Hbr/Quinidine	43	suppressed
Valacyclovir	Valacyclovir Hcl	43	suppressed
Dilantin	Phenytoin Sodium Extended	41	suppressed
Cephalexin	Cephalexin	40	34
Dicyclomine Hcl	Dicyclomine Hcl	38	suppressed
Ketoconazole	Ketoconazole	36	15
Albuterol Sulfate Hfa	Albuterol Sulfate	35	22
Calcium Acetate	Calcium Acetate	35	suppressed
Farxiga	Dapagliflozin Propanediol	35	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	35	22
Valsartan	Valsartan	35	suppressed
Metolazone	Metolazone	34	suppressed
Warfarin Sodium	Warfarin Sodium	34	suppressed
Trulicity	Dulaglutide	33	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	32	11
Glycopyrrolate	Glycopyrrolate	32	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	31	suppressed
Indapamide	Indapamide	31	suppressed
Tizanidine Hcl	Tizanidine Hcl	31	suppressed
Verapamil Sr	Verapamil Hcl	31	suppressed
Azithromycin	Azithromycin	29	19
Glimepiride	Glimepiride	29	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	29	14
Ondansetron Hcl	Ondansetron Hcl	28	23
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	27	suppressed
Metformin Hcl Er	Metformin Hcl	27	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	26	20
Novolin N	Insulin Nph Human Isophane	25	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	24	suppressed
Gemtesa	Vibegron	24	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	24	suppressed
Lidocaine Hcl Viscous	Lidocaine Hcl	24	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	24	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	23	suppressed
Fluconazole	Fluconazole	23	suppressed
Irbesartan	Irbesartan	23	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	23	suppressed
Clonidine	Clonidine	22	suppressed
Insulin Aspart Flexpen	Insulin Aspart	21	suppressed
Morphine Sulfate	Morphine Sulfate	21	17
Novolog Flexpen	Insulin Aspart	20	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	19	suppressed
Diltiazem 24hr Er (La)	Diltiazem Hcl	19	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	19	suppressed
Lokelma	Sodium Zirconium Cyclosilicate	19	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	19	suppressed
Nystatin	Nystatin	18	suppressed
Lagevrio (Eua)	Molnupiravir	17	17
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Fiasp Flextouch	Insulin Aspart (Niacinamide)	16	suppressed
Ondansetron Hcl	Ondansetron Hcl/Pf	16	12
Prednisolone Acetate	Prednisolone Acetate	16	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	15	suppressed
Oxycodone Hcl	Oxycodone Hcl	15	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	14	suppressed
Budesonide	Budesonide	14	suppressed
Hydrocortisone	Hydrocortisone	14	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	14	suppressed
Lidocaine Hcl	Lidocaine Hcl	14	12
Nitroglycerin	Nitroglycerin	14	12
Oxycodone Hcl Er	Oxycodone Hcl	14	suppressed
Propranolol Hcl	Propranolol Hcl	14	suppressed
Arformoterol Tartrate	Arformoterol Tartrate	13	suppressed
Breo Ellipta	Fluticasone/Vilanterol	13	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	12	suppressed
Nystop	Nystatin	12	suppressed
Rivastigmine	Rivastigmine	12	suppressed
Carbamazepine	Carbamazepine	11	suppressed
Cholestyramine Light	Cholestyramine	11	suppressed
Estradiol	Estradiol	11	suppressed
Ibandronate Sodium	Ibandronate Sodium	11	suppressed
Neomycin-Polymyxin-Dexameth	Neomycin/Polymyxin B/Dexametha	11	suppressed
Premarin	Estrogens, Conjugated	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