Healthcare provider profile · identity verified

Michael Ryan Keller, MD

Family Practice · WINAMAC, IN · NPI 1407419914

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	1467	193
Levothyroxine Sodium	Levothyroxine Sodium	1059	120
Sertraline Hcl	Sertraline Hcl	969	69
Pantoprazole Sodium	Pantoprazole Sodium	895	104
Losartan Potassium	Losartan Potassium	891	124
Furosemide	Furosemide	849	96
Gabapentin	Gabapentin	801	79
Amlodipine Besylate	Amlodipine Besylate	800	123
Lisinopril	Lisinopril	759	87
Potassium Chloride	Potassium Chloride	737	70
Eliquis	Apixaban	545	48
Metoprolol Succinate	Metoprolol Succinate	527	69
Memantine Hcl	Memantine Hcl	524	27
Tamsulosin Hcl	Tamsulosin Hcl	492	70
Metoprolol Tartrate	Metoprolol Tartrate	483	73
Metformin Hcl	Metformin Hcl	482	80
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	428	71
Famotidine	Famotidine	407	40
Donepezil Hcl	Donepezil Hcl	357	32
Mirtazapine	Mirtazapine	345	34
Escitalopram Oxalate	Escitalopram Oxalate	342	28
Duloxetine Hcl	Duloxetine Hcl	325	43
Carvedilol	Carvedilol	324	50
Omeprazole	Omeprazole	323	63
Allopurinol	Allopurinol	302	45
Meloxicam	Meloxicam	282	56
Bumetanide	Bumetanide	278	21
Clopidogrel	Clopidogrel Bisulfate	247	35
Lorazepam	Lorazepam	238	26
Jardiance	Empagliflozin	227	39
Ropinirole Hcl	Ropinirole Hcl	225	19
Prednisone	Prednisone	221	78
Alprazolam	Alprazolam	217	29
Spironolactone	Spironolactone	215	35
Carbidopa-Levodopa	Carbidopa/Levodopa	197	12
Alendronate Sodium	Alendronate Sodium	185	30
Oxycodone Hcl	Oxycodone Hcl	183	suppressed
Trazodone Hcl	Trazodone Hcl	177	29
Buspirone Hcl	Buspirone Hcl	168	20
Montelukast Sodium	Montelukast Sodium	166	21
Isosorbide Mononitrate Er	Isosorbide Mononitrate	165	13
Ezetimibe	Ezetimibe	164	25
Metformin Hcl Er	Metformin Hcl	163	19
Tramadol Hcl	Tramadol Hcl	161	23
Baclofen	Baclofen	160	19
Hydrochlorothiazide	Hydrochlorothiazide	159	43
Levetiracetam	Levetiracetam	155	suppressed
Cephalexin	Cephalexin	152	65
Galantamine Hbr	Galantamine Hbr	146	suppressed
Pravastatin Sodium	Pravastatin Sodium	144	28
Rosuvastatin Calcium	Rosuvastatin Calcium	143	34
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	140	15
Lovastatin	Lovastatin	129	36
Finasteride	Finasteride	127	24
Tradjenta	Linagliptin	123	suppressed
Divalproex Sodium	Divalproex Sodium	122	suppressed
Glipizide	Glipizide	122	29
Januvia	Sitagliptin Phosphate	116	16
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	116	17
Digoxin	Digoxin	115	suppressed
Glipizide Er	Glipizide	111	16
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	110	21
Ibuprofen	Ibuprofen	110	21
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	108	12
Amiodarone Hcl	Amiodarone Hcl	107	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	107	suppressed
Xarelto	Rivaroxaban	107	16
Fluticasone Propionate	Fluticasone Propionate	106	31
Amitriptyline Hcl	Amitriptyline Hcl	105	11
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	102	26
Olanzapine	Olanzapine	98	suppressed
Pregabalin	Pregabalin	98	15
Triamcinolone Acetonide	Triamcinolone Acetonide	96	55
Clonidine Hcl	Clonidine Hcl	92	suppressed
Farxiga	Dapagliflozin Propanediol	92	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	89	19
Nystatin	Nystatin	88	34
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	82	40
Atenolol	Atenolol	81	12
Mounjaro	Tirzepatide	81	14
Valsartan	Valsartan	81	11
Gemfibrozil	Gemfibrozil	79	suppressed
Lactulose	Lactulose	78	17
Nifedipine Er	Nifedipine	76	22
Diclofenac Sodium	Diclofenac Sodium	75	30
Midodrine Hcl	Midodrine Hcl	75	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	74	suppressed
Risperidone	Risperidone	74	suppressed
Ondansetron Odt	Ondansetron	69	37
Simvastatin	Simvastatin	69	25
Esomeprazole Magnesium	Esomeprazole Magnesium	68	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	67	suppressed
Eszopiclone	Eszopiclone	66	15
Lantus	Insulin Glargine,hum.Rec.Anlog	66	suppressed
Myrbetriq	Mirabegron	66	suppressed
Primidone	Primidone	66	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	65	43
Citalopram Hbr	Citalopram Hydrobromide	65	14
Fluconazole	Fluconazole	64	18
Pioglitazone Hcl	Pioglitazone Hcl	64	suppressed
Loperamide	Loperamide Hcl	63	26
Ozempic	Semaglutide	61	12
Latanoprost	Latanoprost	60	11
Tizanidine Hcl	Tizanidine Hcl	60	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	59	12
Methylprednisolone	Methylprednisolone	59	24
Torsemide	Torsemide	58	suppressed
Bupropion Hcl Sr	Bupropion Hcl	56	suppressed
Admelog Solostar	Insulin Lispro	55	suppressed
Hydralazine Hcl	Hydralazine Hcl	54	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	54	suppressed
Tolterodine Tartrate	Tolterodine Tartrate	54	suppressed
Ziprasidone Hcl	Ziprasidone Hcl	54	suppressed
Prazosin Hcl	Prazosin Hcl	52	suppressed
Ketoconazole	Ketoconazole	51	26
Doxycycline Hyclate	Doxycycline Hyclate	50	21
Zolpidem Tartrate	Zolpidem Tartrate	50	suppressed
Invokana	Canagliflozin	49	suppressed
Warfarin Sodium	Warfarin Sodium	49	suppressed
Folic Acid	Folic Acid	48	suppressed
Carbamazepine	Carbamazepine	47	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	47	14
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	47	15
Breo Ellipta	Fluticasone/Vilanterol	45	12
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	45	13
Memantine Hcl Er	Memantine Hcl	45	suppressed
Trulicity	Dulaglutide	45	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	44	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	42	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	42	suppressed
Diazepam	Diazepam	41	12
Lokelma	Sodium Zirconium Cyclosilicate	39	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	39	suppressed
Valacyclovir	Valacyclovir Hcl	39	suppressed
Azithromycin	Azithromycin	38	20
Ciprofloxacin Hcl	Ciprofloxacin Hcl	38	19
Azathioprine	Azathioprine	37	suppressed
Cefdinir	Cefdinir	37	23
Chlorthalidone	Chlorthalidone	37	13
Paroxetine Hcl	Paroxetine Hcl	37	suppressed
Benazepril Hcl	Benazepril Hcl	36	13
Novolog Flexpen	Insulin Aspart	36	suppressed
Ventolin Hfa	Albuterol Sulfate	36	13
Lamotrigine	Lamotrigine	35	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	34	suppressed
Sucralfate	Sucralfate	34	suppressed
Rybelsus	Semaglutide	33	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	33	12
Quetiapine Fumarate	Quetiapine Fumarate	32	suppressed
Amoxicillin	Amoxicillin	30	20
Dicyclomine Hcl	Dicyclomine Hcl	30	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	30	suppressed
Benztropine Mesylate	Benztropine Mesylate	29	suppressed
Enalapril Maleate	Enalapril Maleate	29	suppressed
Meclizine Hcl	Meclizine Hcl	29	15
Scopolamine	Scopolamine	29	suppressed
Symbicort	Budesonide/Formoterol Fumarate	29	11
Brimonidine Tartrate	Brimonidine Tartrate	28	suppressed
Topiramate	Topiramate	28	suppressed
Aripiprazole	Aripiprazole	27	suppressed
Clonazepam	Clonazepam	27	suppressed
Morphine Sulfate	Morphine Sulfate	27	14
Phenytoin Sodium Extended	Phenytoin Sodium Extended	27	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	27	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	26	suppressed
Ceftriaxone	Ceftriaxone Sodium	25	11
Doxycycline Monohydrate	Doxycycline Monohydrate	25	21
Terazosin Hcl	Terazosin Hcl	25	suppressed
Glimepiride	Glimepiride	24	suppressed
Ipratropium Bromide	Ipratropium Bromide	24	13
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	24	suppressed
Rivastigmine	Rivastigmine Tartrate	24	suppressed
Tresiba Flextouch U-200	Insulin Degludec	24	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	23	12
Ammonium Lactate	Ammonium Lactate	21	suppressed
Pilocarpine Hcl	Pilocarpine Hcl	21	suppressed
Silver Sulfadiazine	Silver Sulfadiazine	21	suppressed
Testosterone	Testosterone	21	suppressed
Albuterol Sulfate	Albuterol Sulfate	20	suppressed
Ondansetron Hcl	Ondansetron Hcl	20	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	19	suppressed
Humalog Kwikpen U-100	Insulin Lispro	19	suppressed
Tresiba Flextouch U-100	Insulin Degludec	19	suppressed
Vascepa	Icosapent Ethyl	19	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	19	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	18	suppressed
Dapagliflozin	Dapagliflozin Propanediol	18	suppressed
Fosfomycin Tromethamine	Fosfomycin Tromethamine	18	suppressed
Hydrocortisone	Hydrocortisone	18	suppressed
Glipizide-Metformin	Glipizide/Metformin Hcl	17	suppressed
Klor-Con M20	Potassium Chloride	17	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	17	suppressed
Bupropion Xl	Bupropion Hcl	16	suppressed
Entresto	Sacubitril/Valsartan	16	suppressed
Fenofibrate	Fenofibrate	16	suppressed
Gemtesa	Vibegron	16	suppressed
Novofine Autocover	Pen Needle, Diabetic, Safety	16	suppressed
Rivastigmine	Rivastigmine	16	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	16	suppressed
Calcium Acetate	Calcium Acetate	15	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	15	suppressed
Effer-K	Potassium Bicarbonate/Cit Ac	15	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	15	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	15	suppressed
Celecoxib	Celecoxib	14	suppressed
Diltiazem Hcl	Diltiazem Hcl	14	suppressed
Estradiol	Estradiol	14	suppressed
Fentanyl	Fentanyl	14	suppressed
Levofloxacin	Levofloxacin	14	suppressed
Lidocaine	Lidocaine	14	suppressed
Novolin R	Insulin Regular, Human	14	suppressed
Pentazocine-Naloxone Hcl	Pentazocine Hcl/Naloxone Hcl	14	suppressed
Pentoxifylline	Pentoxifylline	14	suppressed
Cefepime Hcl	Cefepime Hcl	13	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	13	suppressed
Fluticasone-Vilanterol	Fluticasone/Vilanterol	13	suppressed
Levemir Flexpen	Insulin Detemir	13	suppressed
Prochlorperazine Maleate	Prochlorperazine Maleate	13	suppressed
Ramipril	Ramipril	13	suppressed
Amantadine	Amantadine Hcl	12	suppressed
Aptiom	Eslicarbazepine Acetate	12	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	12	suppressed
Clonidine Hcl Er	Clonidine Hcl	12	suppressed
Clotrimazole	Clotrimazole	12	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	12	suppressed
Humulin 70/30 Kwikpen	Insulin Nph Hum/Reg Insulin Hm	12	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	12	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	11	suppressed
Creon	Lipase/Protease/Amylase	11	suppressed
Divalproex Sodium Er	Divalproex Sodium	11	suppressed
Insulin Lispro	Insulin Lispro	11	suppressed
Lacosamide	Lacosamide	11	suppressed
Nystop	Nystatin	11	suppressed
Repatha Pushtronex	Evolocumab	11	suppressed
Verapamil Er	Verapamil Hcl	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