Healthcare provider profile · identity verified

Tyler John Dunphy, MD

Internal Medicine · BRAINERD, MN · NPI 1164684320

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	999	227
Omeprazole	Omeprazole	786	161
Amlodipine Besylate	Amlodipine Besylate	781	179
Levothyroxine Sodium	Levothyroxine Sodium	700	136
Lisinopril	Lisinopril	605	143
Metoprolol Succinate	Metoprolol Succinate	577	130
Losartan Potassium	Losartan Potassium	527	136
Furosemide	Furosemide	483	122
Gabapentin	Gabapentin	458	100
Simvastatin	Simvastatin	404	93
Sertraline Hcl	Sertraline Hcl	382	74
Warfarin Sodium	Warfarin Sodium	375	64
Pantoprazole Sodium	Pantoprazole Sodium	364	85
Eliquis	Apixaban	356	57
Tamsulosin Hcl	Tamsulosin Hcl	321	77
Metformin Hcl Er	Metformin Hcl	318	78
Rosuvastatin Calcium	Rosuvastatin Calcium	272	65
Potassium Chloride	Potassium Chloride	261	57
Trazodone Hcl	Trazodone Hcl	259	65
Metformin Hcl	Metformin Hcl	239	57
Tramadol Hcl	Tramadol Hcl	220	39
Oxycodone Hcl	Oxycodone Hcl	218	42
Metoprolol Tartrate	Metoprolol Tartrate	216	45
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	202	32
Allopurinol	Allopurinol	197	47
Donepezil Hcl	Donepezil Hcl	191	22
Hydrochlorothiazide	Hydrochlorothiazide	189	50
Clopidogrel	Clopidogrel Bisulfate	172	40
Duloxetine Hcl	Duloxetine Hcl	166	29
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	156	40
Fluticasone Propionate	Fluticasone Propionate	153	43
Atenolol	Atenolol	151	39
Carvedilol	Carvedilol	148	38
Prednisone	Prednisone	148	59
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	145	32
Xarelto	Rivaroxaban	143	24
Ozempic	Semaglutide	133	25
Tizanidine Hcl	Tizanidine Hcl	133	30
Jardiance	Empagliflozin	130	29
Escitalopram Oxalate	Escitalopram Oxalate	125	26
Finasteride	Finasteride	125	30
Mirtazapine	Mirtazapine	125	26
Glimepiride	Glimepiride	121	31
Famotidine	Famotidine	116	28
Pravastatin Sodium	Pravastatin Sodium	107	28
Citalopram Hbr	Citalopram Hydrobromide	105	26
Risperidone	Risperidone	105	13
Alendronate Sodium	Alendronate Sodium	104	27
Spironolactone	Spironolactone	99	29
Doxazosin Mesylate	Doxazosin Mesylate	98	18
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	89	22
Albuterol Sulfate Hfa	Albuterol Sulfate	86	46
Zolpidem Tartrate	Zolpidem Tartrate	85	17
Oxybutynin Chloride Er	Oxybutynin Chloride	84	16
Alprazolam	Alprazolam	82	15
Clonazepam	Clonazepam	82	15
Meloxicam	Meloxicam	81	16
Triamcinolone Acetonide	Triamcinolone Acetonide	81	36
Pregabalin	Pregabalin	77	24
Montelukast Sodium	Montelukast Sodium	75	16
Baclofen	Baclofen	74	12
Lorazepam	Lorazepam	74	26
Ventolin Hfa	Albuterol Sulfate	74	31
Ropinirole Hcl	Ropinirole Hcl	73	13
Myrbetriq	Mirabegron	70	suppressed
Celecoxib	Celecoxib	68	16
Levetiracetam	Levetiracetam	68	14
Torsemide	Torsemide	67	20
Bupropion Xl	Bupropion Hcl	66	13
Novolog Flexpen	Insulin Aspart	62	17
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	60	19
Fluoxetine Hcl	Fluoxetine Hcl	59	13
Ipratropium Bromide	Ipratropium Bromide	58	15
Buspirone Hcl	Buspirone Hcl	57	13
Hydralazine Hcl	Hydralazine Hcl	57	suppressed
Diazepam	Diazepam	56	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	56	suppressed
Memantine Hcl	Memantine Hcl	55	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	55	suppressed
Clonidine Hcl	Clonidine Hcl	54	11
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	53	15
Methocarbamol	Methocarbamol	51	15
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	51	14
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	47	suppressed
Methylprednisolone	Methylprednisolone	47	31
Amitriptyline Hcl	Amitriptyline Hcl	46	12
Midodrine Hcl	Midodrine Hcl	46	suppressed
Azithromycin	Azithromycin	45	33
Klor-Con M20	Potassium Chloride	45	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	44	11
Hydroxyzine Hcl	Hydroxyzine Hcl	43	13
Humalog Kwikpen U-100	Insulin Lispro	42	12
Nystatin	Nystatin	42	28
Valsartan	Valsartan	42	suppressed
Nifedipine Er	Nifedipine	41	11
Valacyclovir	Valacyclovir Hcl	41	17
Jantoven	Warfarin Sodium	40	suppressed
Methadone Hcl	Methadone Hcl	40	suppressed
Methotrexate	Methotrexate Sodium	39	suppressed
Januvia	Sitagliptin Phosphate	38	suppressed
Paroxetine Hcl	Paroxetine Hcl	37	suppressed
Morphine Sulfate	Morphine Sulfate	36	suppressed
Ondansetron Odt	Ondansetron	36	18
Primidone	Primidone	36	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	35	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	35	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	34	11
Breo Ellipta	Fluticasone/Vilanterol	33	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	33	27
Ondansetron Hcl	Ondansetron Hcl	33	13
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	30	24
Folic Acid	Folic Acid	30	suppressed
Propranolol Hcl Er	Propranolol Hcl	30	11
Victoza 3-Pak	Liraglutide	30	suppressed
Amoxicillin	Amoxicillin	29	17
Ezetimibe	Ezetimibe	29	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	29	suppressed
Chlorthalidone	Chlorthalidone	28	suppressed
Digoxin	Digoxin	28	11
Glipizide Er	Glipizide	28	suppressed
Hydrocortisone	Hydrocortisone	28	suppressed
Ketoconazole	Ketoconazole	28	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	28	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	28	suppressed
Ramipril	Ramipril	27	suppressed
Colchicine	Colchicine	26	suppressed
Estradiol	Estradiol	26	11
Sulfasalazine	Sulfasalazine	26	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	25	suppressed
Fluconazole	Fluconazole	25	suppressed
Propranolol Hcl	Propranolol Hcl	25	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	24	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	24	suppressed
Ibuprofen	Ibuprofen	24	suppressed
Loperamide	Loperamide Hcl	24	suppressed
Spiriva Handihaler	Tiotropium Bromide	24	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	23	suppressed
Morphine Sulfate Er	Morphine Sulfate	23	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	22	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	22	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	22	suppressed
Synthroid	Levothyroxine Sodium	22	suppressed
Benazepril Hcl	Benazepril Hcl	21	suppressed
Cephalexin	Cephalexin	21	suppressed
Divalproex Sodium Er	Divalproex Sodium	21	suppressed
Prazosin Hcl	Prazosin Hcl	21	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	20	18
Latanoprost	Latanoprost	20	suppressed
Lidocaine	Lidocaine	20	suppressed
Metolazone	Metolazone	20	suppressed
Terazosin Hcl	Terazosin Hcl	20	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	20	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	19	suppressed
Sucralfate	Sucralfate	19	suppressed
Insulin Aspart Flexpen	Insulin Aspart	18	suppressed
Mounjaro	Tirzepatide	18	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	18	suppressed
Repaglinide	Repaglinide	18	suppressed
Lamotrigine	Lamotrigine	17	suppressed
Lansoprazole	Lansoprazole	17	suppressed
Nitroglycerin	Nitroglycerin	17	17
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Bumetanide	Bumetanide	16	suppressed
Desmopressin Acetate	Desmopressin Acetate	16	suppressed
Fenofibrate	Fenofibrate	16	suppressed
Lovastatin	Lovastatin	16	suppressed
Olanzapine	Olanzapine	16	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	16	suppressed
Tresiba Flextouch U-100	Insulin Degludec	16	suppressed
Trulicity	Dulaglutide	16	suppressed
Acyclovir	Acyclovir	15	suppressed
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	15	suppressed
Glipizide	Glipizide	15	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	15	suppressed
Verapamil Er	Verapamil Hcl	15	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	14	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	14	suppressed
Single Use Swab	Alcohol Antiseptic Pads	14	suppressed
Unifine Pentips	Pen Needle, Diabetic	14	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	13	suppressed
Aripiprazole	Aripiprazole	13	suppressed
Carbamazepine	Carbamazepine	13	suppressed
Oxycontin	Oxycodone Hcl	13	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	13	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	12	suppressed
Enalapril Maleate	Enalapril Maleate	12	suppressed
Levalbuterol Tartrate Hfa	Levalbuterol Tartrate	12	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	12	12
Potassium Citrate Er	Potassium Citrate	12	suppressed
Ropinirole Er	Ropinirole Hcl	12	suppressed
Sotalol	Sotalol Hcl	12	suppressed
Temazepam	Temazepam	12	suppressed
Cevimeline Hcl	Cevimeline Hcl	11	suppressed
Clotrimazole	Clotrimazole	11	suppressed
Diclofenac Sodium	Diclofenac Sodium	11	suppressed
Dulera	Mometasone/Formoterol	11	suppressed
Humalog Kwikpen U-200	Insulin Lispro	11	suppressed
Meclizine Hcl	Meclizine Hcl	11	suppressed
Methylphenidate Er	Methylphenidate Hcl	11	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	11	suppressed
Pilocarpine Hcl	Pilocarpine Hcl	11	suppressed
Pulmicort Flexhaler	Budesonide	11	suppressed
Spiriva Respimat	Tiotropium Bromide	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