Healthcare provider profile · identity verified

Ronald Alan Ringwald, M.D.

Family Practice · SPENCERVILLE, OH · NPI 1912945049

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	654	148
Levothyroxine Sodium	Levothyroxine Sodium	540	126
Lisinopril	Lisinopril	501	126
Amlodipine Besylate	Amlodipine Besylate	488	110
Metformin Hcl	Metformin Hcl	435	110
Omeprazole	Omeprazole	418	102
Metoprolol Tartrate	Metoprolol Tartrate	337	72
Pantoprazole Sodium	Pantoprazole Sodium	323	78
Potassium Chloride	Potassium Chloride	290	53
Pravastatin Sodium	Pravastatin Sodium	289	63
Metoprolol Succinate	Metoprolol Succinate	273	68
Gabapentin	Gabapentin	267	56
Eliquis	Apixaban	264	27
Rosuvastatin Calcium	Rosuvastatin Calcium	250	69
Allopurinol	Allopurinol	218	54
Prednisone	Prednisone	210	117
Furosemide	Furosemide	209	55
Simvastatin	Simvastatin	209	53
Sertraline Hcl	Sertraline Hcl	208	38
Losartan Potassium	Losartan Potassium	206	57
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	191	33
Glimepiride	Glimepiride	188	48
Tamsulosin Hcl	Tamsulosin Hcl	188	47
Bumetanide	Bumetanide	179	38
Alprazolam	Alprazolam	175	30
Albuterol Sulfate Hfa	Albuterol Sulfate	170	52
Buspirone Hcl	Buspirone Hcl	166	33
Famotidine	Famotidine	166	32
Meloxicam	Meloxicam	162	55
Clopidogrel	Clopidogrel Bisulfate	160	35
Citalopram Hbr	Citalopram Hydrobromide	158	34
Duloxetine Hcl	Duloxetine Hcl	143	27
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	133	27
Pioglitazone Hcl	Pioglitazone Hcl	127	30
Lorazepam	Lorazepam	123	21
Trazodone Hcl	Trazodone Hcl	122	25
Hydrochlorothiazide	Hydrochlorothiazide	117	31
Tramadol Hcl	Tramadol Hcl	116	25
Doxycycline Hyclate	Doxycycline Hyclate	114	78
Jardiance	Empagliflozin	110	18
Mounjaro	Tirzepatide	109	24
Ondansetron Hcl	Ondansetron Hcl	108	37
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	103	81
Pregabalin	Pregabalin	95	14
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	93	26
Levofloxacin	Levofloxacin	91	65
Carvedilol	Carvedilol	87	18
Spironolactone	Spironolactone	85	17
Clonidine Hcl	Clonidine Hcl	84	23
Oxybutynin Chloride Er	Oxybutynin Chloride	82	19
Brilinta	Ticagrelor	78	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	78	16
Januvia	Sitagliptin Phosphate	77	12
Fenofibrate	Fenofibrate	75	16
Fluticasone Propionate	Fluticasone Propionate	75	29
Metoclopramide Hcl	Metoclopramide Hcl	75	suppressed
Tizanidine Hcl	Tizanidine Hcl	75	19
Isosorbide Mononitrate Er	Isosorbide Mononitrate	74	16
Ozempic	Semaglutide	74	15
Myrbetriq	Mirabegron	73	suppressed
Atenolol	Atenolol	72	16
Ciprofloxacin Hcl	Ciprofloxacin Hcl	72	49
Zolpidem Tartrate	Zolpidem Tartrate	71	17
Cephalexin	Cephalexin	68	50
Sucralfate	Sucralfate	67	21
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	65	18
Paroxetine Hcl	Paroxetine Hcl	65	14
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	62	15
Synthroid	Levothyroxine Sodium	62	19
Warfarin Sodium	Warfarin Sodium	62	23
Azithromycin	Azithromycin	60	37
Lansoprazole	Lansoprazole	59	suppressed
Xarelto	Rivaroxaban	57	suppressed
Diclofenac Sodium	Diclofenac Sodium	55	20
Metformin Hcl Er	Metformin Hcl	54	11
Mirtazapine	Mirtazapine	53	12
Valsartan	Valsartan	53	13
Water	Water For Irrigation,sterile	53	suppressed
Amiodarone Hcl	Amiodarone Hcl	51	suppressed
Entresto	Sacubitril/Valsartan	50	suppressed
Budesonide	Budesonide	49	suppressed
Doxepin Hcl	Doxepin Hcl	49	15
Finasteride	Finasteride	49	15
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	49	11
Fluoxetine Hcl	Fluoxetine Hcl	48	14
Hydralazine Hcl	Hydralazine Hcl	48	13
Naproxen	Naproxen	47	12
Esomeprazole Magnesium	Esomeprazole Magnesium	46	suppressed
Aripiprazole	Aripiprazole	45	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	45	12
Clonazepam	Clonazepam	44	suppressed
Donepezil Hcl	Donepezil Hcl	43	14
Klor-Con M20	Potassium Chloride	43	15
Bupropion Xl	Bupropion Hcl	41	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	41	19
Nabumetone	Nabumetone	41	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	41	suppressed
Trulicity	Dulaglutide	41	12
Fluconazole	Fluconazole	40	28
Alendronate Sodium	Alendronate Sodium	39	suppressed
Meclizine Hcl	Meclizine Hcl	39	27
Celecoxib	Celecoxib	38	11
Primidone	Primidone	38	suppressed
Ibuprofen	Ibuprofen	37	17
Cefuroxime	Cefuroxime Axetil	36	29
Enalapril Maleate	Enalapril Maleate	36	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	35	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	35	14
Olmesartan Medoxomil	Olmesartan Medoxomil	35	11
Ezetimibe	Ezetimibe	34	11
Glipizide	Glipizide	34	11
Midodrine Hcl	Midodrine Hcl	34	12
Montelukast Sodium	Montelukast Sodium	34	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	33	suppressed
Baclofen	Baclofen	32	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	32	19
Ropinirole Hcl	Ropinirole Hcl	32	12
Venlafaxine Hcl Er	Venlafaxine Hcl	31	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	30	suppressed
Jantoven	Warfarin Sodium	29	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	29	suppressed
Colestipol Hcl	Colestipol Hcl	26	suppressed
Humalog Kwikpen U-100	Insulin Lispro	26	suppressed
Methenamine Hippurate	Methenamine Hippurate	26	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	25	suppressed
Betamethasone Valerate	Betamethasone Valerate	25	16
Estradiol	Estradiol	25	suppressed
Farxiga	Dapagliflozin Propanediol	25	suppressed
Novolog Flexpen	Insulin Aspart	25	suppressed
Cyclosporine	Cyclosporine	24	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	24	suppressed
Levetiracetam	Levetiracetam	24	suppressed
Scopolamine	Scopolamine	24	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	23	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	23	suppressed
Diltiazem Hcl	Diltiazem Hcl	23	suppressed
Divalproex Sodium	Divalproex Sodium	23	suppressed
Lubiprostone	Lubiprostone	23	suppressed
Nitroglycerin	Nitroglycerin	23	14
Oxcarbazepine	Oxcarbazepine	23	suppressed
Zonisade	Zonisamide	23	suppressed
Lamotrigine	Lamotrigine	22	suppressed
Lidocaine	Lidocaine	22	suppressed
Lovastatin	Lovastatin	22	suppressed
Nystatin	Nystatin	22	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	22	suppressed
Benazepril Hcl	Benazepril Hcl	21	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	21	suppressed
Gemfibrozil	Gemfibrozil	21	suppressed
Glipizide Er	Glipizide	21	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	21	suppressed
Symbicort	Budesonide/Formoterol Fumarate	21	suppressed
Benztropine Mesylate	Benztropine Mesylate	20	suppressed
Bupropion Hcl Sr	Bupropion Hcl	20	suppressed
Flecainide Acetate	Flecainide Acetate	20	suppressed
Lacosamide	Lacosamide	20	suppressed
Spiriva Handihaler	Tiotropium Bromide	20	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	20	suppressed
Acetic Acid	Acetic Acid	19	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	19	suppressed
Ipratropium Bromide	Ipratropium Bromide	19	suppressed
Valproic Acid	Valproic Acid (As Sodium Salt)	19	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	19	suppressed
Memantine Hcl	Memantine Hcl	18	suppressed
Topiramate	Topiramate	18	suppressed
Divalproex Sodium Er	Divalproex Sodium	17	suppressed
Torsemide	Torsemide	17	suppressed
Colchicine	Colchicine	16	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	16	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	16	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	16	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	16	12
Amitriptyline Hcl	Amitriptyline Hcl	15	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	15	suppressed
Armour Thyroid	Thyroid,pork	15	suppressed
Bevespi Aerosphere	Glycopyrrolate/Formoterol Fum	15	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	15	suppressed
Amantadine	Amantadine Hcl	14	suppressed
Amoxicillin	Amoxicillin	14	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	14	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	14	suppressed
Latanoprost	Latanoprost	14	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	14	suppressed
Propranolol Hcl	Propranolol Hcl	14	suppressed
Tobramycin-Dexamethasone	Tobramycin/Dexamethasone	14	suppressed
Digoxin	Digoxin	13	suppressed
Donepezil Hcl Odt	Donepezil Hcl	13	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	13	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	13	suppressed
Solifenacin Succinate	Solifenacin Succinate	13	suppressed
Spiriva Respimat	Tiotropium Bromide	13	suppressed
Testosterone	Testosterone	13	suppressed
Albuterol Sulfate	Albuterol Sulfate	12	suppressed
Dexlansoprazole Dr	Dexlansoprazole	12	suppressed
Fluocinonide	Fluocinonide	12	suppressed
Glycopyrrolate	Glycopyrrolate	12	suppressed
Ketorolac Tromethamine	Ketorolac Tromethamine	12	suppressed
Labetalol Hcl	Labetalol Hcl	12	suppressed
Methotrexate	Methotrexate Sodium	12	suppressed
Metronidazole	Metronidazole	12	suppressed
Ondansetron Odt	Ondansetron	12	suppressed
Prazosin Hcl	Prazosin Hcl	12	suppressed
Prempro	Estrogen,con/M-Progest Acet	12	suppressed
Terbinafine Hcl	Terbinafine Hcl	12	suppressed
Valacyclovir	Valacyclovir Hcl	12	suppressed
Victoza 3-Pak	Liraglutide	12	suppressed
Oxycodone Hcl	Oxycodone Hcl	11	suppressed
Potassium Citrate Er	Potassium Citrate	11	suppressed
Propranolol Hcl Er	Propranolol Hcl	11	suppressed
Quetiapine Fumarate Er	Quetiapine Fumarate	11	suppressed
Roflumilast	Roflumilast	11	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	11	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	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