Healthcare provider profile · identity verified

John Michael Ryden, MD

Family Practice · VIRGINIA, MN · NPI 1578589255

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
Levothyroxine Sodium	Levothyroxine Sodium	486	108
Atorvastatin Calcium	Atorvastatin Calcium	429	115
Losartan Potassium	Losartan Potassium	417	106
Lisinopril	Lisinopril	378	100
Amlodipine Besylate	Amlodipine Besylate	348	88
Metoprolol Succinate	Metoprolol Succinate	308	76
Pravastatin Sodium	Pravastatin Sodium	288	90
Gabapentin	Gabapentin	263	57
Rosuvastatin Calcium	Rosuvastatin Calcium	246	79
Tamsulosin Hcl	Tamsulosin Hcl	216	64
Furosemide	Furosemide	210	55
Metformin Hcl Er	Metformin Hcl	201	52
Hydrochlorothiazide	Hydrochlorothiazide	200	53
Omeprazole	Omeprazole	199	55
Allopurinol	Allopurinol	180	46
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	179	43
Simvastatin	Simvastatin	168	47
Sertraline Hcl	Sertraline Hcl	151	31
Eliquis	Apixaban	138	26
Tramadol Hcl	Tramadol Hcl	138	23
Pantoprazole Sodium	Pantoprazole Sodium	137	38
Clonazepam	Clonazepam	136	21
Warfarin Sodium	Warfarin Sodium	115	22
Potassium Chloride	Potassium Chloride	114	30
Metformin Hcl	Metformin Hcl	110	34
Xarelto	Rivaroxaban	97	21
Famotidine	Famotidine	95	20
Ozempic	Semaglutide	95	19
Lorazepam	Lorazepam	94	19
Albuterol Sulfate Hfa	Albuterol Sulfate	93	32
Citalopram Hbr	Citalopram Hydrobromide	92	22
Duloxetine Hcl	Duloxetine Hcl	92	23
Mirtazapine	Mirtazapine	92	21
Donepezil Hcl	Donepezil Hcl	87	18
Metoprolol Tartrate	Metoprolol Tartrate	82	25
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	77	15
Valsartan	Valsartan	76	17
Bupropion Xl	Bupropion Hcl	74	20
Chlorthalidone	Chlorthalidone	74	18
Alendronate Sodium	Alendronate Sodium	73	20
Prednisone	Prednisone	72	35
Zolpidem Tartrate	Zolpidem Tartrate	67	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	64	18
Clopidogrel	Clopidogrel Bisulfate	62	12
Montelukast Sodium	Montelukast Sodium	61	20
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	61	suppressed
Irbesartan	Irbesartan	59	14
Venlafaxine Hcl Er	Venlafaxine Hcl	59	11
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	56	suppressed
Spironolactone	Spironolactone	56	13
Ventolin Hfa	Albuterol Sulfate	55	15
Esomeprazole Magnesium	Esomeprazole Magnesium	51	14
Propranolol Hcl	Propranolol Hcl	49	13
Ropinirole Hcl	Ropinirole Hcl	48	suppressed
Fluticasone Propionate	Fluticasone Propionate	47	15
Ezetimibe	Ezetimibe	46	suppressed
Oxycodone Hcl	Oxycodone Hcl	45	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	44	suppressed
Pregabalin	Pregabalin	44	suppressed
Trazodone Hcl	Trazodone Hcl	43	12
Baclofen	Baclofen	41	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	41	14
Carvedilol	Carvedilol	40	12
Januvia	Sitagliptin Phosphate	39	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	39	13
Alprazolam	Alprazolam	38	suppressed
Bumetanide	Bumetanide	38	suppressed
Meloxicam	Meloxicam	38	suppressed
Tizanidine Hcl	Tizanidine Hcl	38	suppressed
Breo Ellipta	Fluticasone/Vilanterol	37	suppressed
Ibuprofen	Ibuprofen	37	13
Jardiance	Empagliflozin	37	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	35	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	34	25
Olanzapine	Olanzapine	33	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	32	11
Mounjaro	Tirzepatide	31	suppressed
Nitroglycerin	Nitroglycerin	31	26
Topiramate	Topiramate	31	suppressed
Paroxetine Hcl	Paroxetine Hcl	30	suppressed
Atenolol	Atenolol	29	suppressed
Diazepam	Diazepam	29	suppressed
Glipizide	Glipizide	29	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	29	suppressed
Ramipril	Ramipril	29	suppressed
Synthroid	Levothyroxine Sodium	28	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	27	suppressed
Estradiol	Estradiol	27	11
Lovastatin	Lovastatin	27	suppressed
Myrbetriq	Mirabegron	27	suppressed
Propranolol Hcl Er	Propranolol Hcl	26	suppressed
Rizatriptan	Rizatriptan Benzoate	26	suppressed
Sucralfate	Sucralfate	26	suppressed
Trulicity	Dulaglutide	26	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	25	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	25	suppressed
Methocarbamol	Methocarbamol	25	suppressed
Rybelsus	Semaglutide	25	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	24	19
Glimepiride	Glimepiride	24	suppressed
Phenobarbital	Phenobarbital	24	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	23	suppressed
Raloxifene Hcl	Raloxifene Hcl	23	suppressed
Valacyclovir	Valacyclovir Hcl	23	suppressed
Finasteride	Finasteride	22	suppressed
Incruse Ellipta	Umeclidinium Bromide	22	suppressed
Jantoven	Warfarin Sodium	22	suppressed
Azithromycin	Azithromycin	21	17
Nifedipine Er	Nifedipine	19	suppressed
Loperamide	Loperamide Hcl	18	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	18	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	17	suppressed
Nystatin	Nystatin	17	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	17	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	17	suppressed
Bupropion Hcl Sr	Bupropion Hcl	16	suppressed
Buspirone Hcl	Buspirone Hcl	16	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	16	suppressed
Farxiga	Dapagliflozin Propanediol	16	suppressed
Oxycontin	Oxycodone Hcl	16	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	16	suppressed
Aripiprazole	Aripiprazole	15	suppressed
Cephalexin	Cephalexin	15	11
Celecoxib	Celecoxib	14	suppressed
Hydralazine Hcl	Hydralazine Hcl	14	suppressed
Lansoprazole	Lansoprazole	14	suppressed
Novolog Mix 70-30 Flexpen	Insulin Aspart Prot/Insuln Asp	14	suppressed
Ondansetron Odt	Ondansetron	14	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	14	suppressed
Unifine Pentips	Pen Needle, Diabetic	14	suppressed
Breyna	Budesonide/Formoterol Fumarate	13	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	13	suppressed
Glipizide Er	Glipizide	13	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	13	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	13	suppressed
M-Natal Plus	Pnv,calcium 72/Iron/Folic Acid	13	suppressed
Naproxen	Naproxen	13	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	13	13
Arnuity Ellipta	Fluticasone Furoate	12	suppressed
Divalproex Sodium	Divalproex Sodium	12	suppressed
Enalapril Maleate	Enalapril Maleate	12	suppressed
Humalog Kwikpen U-100	Insulin Lispro	12	suppressed
Methotrexate	Methotrexate Sodium	12	suppressed
Trimethoprim	Trimethoprim	12	suppressed
Xtampza Er	Oxycodone Myristate	12	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Cefdinir	Cefdinir	11	suppressed
Klor-Con M20	Potassium Chloride	11	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	11	suppressed
Tresiba Flextouch U-200	Insulin Degludec	11	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	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