Healthcare provider profile · identity verified

Anthony Duncan, DO

Family Practice · CROOKSTON, MN · NPI 1497240709

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
Lisinopril	Lisinopril	497	77
Atorvastatin Calcium	Atorvastatin Calcium	480	101
Amlodipine Besylate	Amlodipine Besylate	463	72
Tamsulosin Hcl	Tamsulosin Hcl	446	75
Simvastatin	Simvastatin	430	84
Omeprazole	Omeprazole	389	65
Metoprolol Succinate	Metoprolol Succinate	368	72
Losartan Potassium	Losartan Potassium	343	62
Gabapentin	Gabapentin	307	45
Metformin Hcl	Metformin Hcl	298	62
Levothyroxine Sodium	Levothyroxine Sodium	271	39
Sertraline Hcl	Sertraline Hcl	266	30
Furosemide	Furosemide	238	47
Hydrochlorothiazide	Hydrochlorothiazide	196	44
Finasteride	Finasteride	176	32
Duloxetine Hcl	Duloxetine Hcl	162	30
Pantoprazole Sodium	Pantoprazole Sodium	155	32
Tramadol Hcl	Tramadol Hcl	125	40
Allopurinol	Allopurinol	123	18
Mirtazapine	Mirtazapine	115	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	114	23
Metoprolol Tartrate	Metoprolol Tartrate	112	30
Bumetanide	Bumetanide	105	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	104	18
Donepezil Hcl	Donepezil Hcl	103	suppressed
Klor-Con M20	Potassium Chloride	97	17
Alprazolam	Alprazolam	94	17
Spironolactone	Spironolactone	93	17
Trazodone Hcl	Trazodone Hcl	92	17
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	89	23
Albuterol Sulfate Hfa	Albuterol Sulfate	88	26
Jardiance	Empagliflozin	84	16
Ropinirole Hcl	Ropinirole Hcl	84	11
Clopidogrel	Clopidogrel Bisulfate	83	23
Isosorbide Mononitrate Er	Isosorbide Mononitrate	79	13
Montelukast Sodium	Montelukast Sodium	79	18
Eliquis	Apixaban	77	16
Lorazepam	Lorazepam	77	13
Jantoven	Warfarin Sodium	72	12
Potassium Chloride	Potassium Chloride	72	19
Pravastatin Sodium	Pravastatin Sodium	69	20
Famotidine	Famotidine	68	21
Atenolol	Atenolol	65	14
Escitalopram Oxalate	Escitalopram Oxalate	63	suppressed
Clonidine Hcl	Clonidine Hcl	62	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	60	12
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	55	11
Oxycodone Hcl	Oxycodone Hcl	54	13
Valsartan	Valsartan	53	suppressed
Warfarin Sodium	Warfarin Sodium	52	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	51	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	51	suppressed
Clonazepam	Clonazepam	50	11
Januvia	Sitagliptin Phosphate	49	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	49	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	46	suppressed
Citalopram Hbr	Citalopram Hydrobromide	46	15
Fluticasone Propionate	Fluticasone Propionate	46	19
Calcium Acetate	Calcium Acetate	45	suppressed
Glimepiride	Glimepiride	45	suppressed
Ozempic	Semaglutide	45	suppressed
Pregabalin	Pregabalin	45	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	44	suppressed
Humalog Kwikpen U-100	Insulin Lispro	43	suppressed
Risperidone	Risperidone	42	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	42	25
Bupropion Xl	Bupropion Hcl	39	suppressed
Carvedilol	Carvedilol	38	suppressed
Klor-Con M10	Potassium Chloride	37	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	37	suppressed
Breo Ellipta	Fluticasone/Vilanterol	36	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	35	23
Propranolol Hcl	Propranolol Hcl	35	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	34	suppressed
Lactulose	Lactulose	34	suppressed
Prednisone	Prednisone	34	18
Calcitriol	Calcitriol	33	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	33	suppressed
Metformin Hcl Er	Metformin Hcl	33	suppressed
Xarelto	Rivaroxaban	33	suppressed
Glipizide Er	Glipizide	32	suppressed
Morphine Sulfate Er	Morphine Sulfate	32	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	31	suppressed
Latanoprost	Latanoprost	30	suppressed
Metolazone	Metolazone	30	suppressed
Ventolin Hfa	Albuterol Sulfate	30	13
Levetiracetam	Levetiracetam	29	suppressed
Nitroglycerin	Nitroglycerin	28	21
Rexulti	Brexpiprazole	28	suppressed
Chlorthalidone	Chlorthalidone	26	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	25	suppressed
Oxcarbazepine	Oxcarbazepine	25	suppressed
Myrbetriq	Mirabegron	24	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	24	suppressed
Alendronate Sodium	Alendronate Sodium	23	suppressed
Fentanyl	Fentanyl	23	suppressed
Glipizide	Glipizide	23	suppressed
Xifaxan	Rifaximin	23	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	22	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	22	suppressed
Insulin Aspart Flexpen	Insulin Aspart	22	suppressed
Farxiga	Dapagliflozin Propanediol	21	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	21	suppressed
Ipratropium Bromide	Ipratropium Bromide	21	suppressed
Celecoxib	Celecoxib	20	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	20	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	20	suppressed
Saxagliptin Hcl	Saxagliptin Hcl	20	suppressed
Tizanidine Hcl	Tizanidine Hcl	20	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Amoxicillin	Amoxicillin	19	18
Cephalexin	Cephalexin	19	15
Enalapril Maleate	Enalapril Maleate	19	suppressed
Verapamil Er	Verapamil Hcl	19	suppressed
Ezetimibe	Ezetimibe	18	suppressed
Olanzapine	Olanzapine	18	suppressed
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	17	suppressed
Incruse Ellipta	Umeclidinium Bromide	17	suppressed
Acyclovir	Acyclovir	16	suppressed
Buspirone Hcl	Buspirone Hcl	16	suppressed
Fiasp Flextouch	Insulin Aspart (Niacinamide)	16	suppressed
Midodrine Hcl	Midodrine Hcl	16	suppressed
Nystatin	Nystatin	16	suppressed
Ondansetron Hcl	Ondansetron Hcl	16	suppressed
Torsemide	Torsemide	16	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	16	suppressed
Tresiba Flextouch U-100	Insulin Degludec	16	suppressed
Trulicity	Dulaglutide	16	suppressed
Digoxin	Digoxin	15	suppressed
Dutasteride	Dutasteride	15	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	15	suppressed
Sevelamer Carbonate	Sevelamer Carbonate	15	suppressed
Sildenafil Citrate	Sildenafil Citrate	15	suppressed
Aripiprazole	Aripiprazole	14	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	14	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	14	suppressed
Humalog Kwikpen U-200	Insulin Lispro	14	suppressed
Nifedipine Er	Nifedipine	14	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	14	suppressed
Propranolol Hcl Er	Propranolol Hcl	14	suppressed
Timolol Maleate	Timolol Maleate	14	suppressed
Baclofen	Baclofen	13	suppressed
Benazepril Hcl	Benazepril Hcl	13	suppressed
Cilostazol	Cilostazol	13	suppressed
Desmopressin Acetate	Desmopressin Acetate	13	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	13	suppressed
Potassium Citrate Er	Potassium Citrate	13	suppressed
Tradjenta	Linagliptin	13	suppressed
Zafirlukast	Zafirlukast	13	suppressed
Ezetimibe-Simvastatin	Ezetimibe/Simvastatin	12	suppressed
Fluvoxamine Maleate	Fluvoxamine Maleate	12	suppressed
Ondansetron Odt	Ondansetron	12	suppressed
Temazepam	Temazepam	12	suppressed
Terazosin Hcl	Terazosin Hcl	12	suppressed
Topiramate	Topiramate	12	suppressed
Xtampza Er	Oxycodone Myristate	12	suppressed
Benztropine Mesylate	Benztropine Mesylate	11	suppressed
Constulose	Lactulose	11	suppressed
Dilt-Xr	Diltiazem Hcl	11	suppressed
Guanfacine Hcl Er	Guanfacine Hcl	11	suppressed
Klor-Con M15	Potassium Chloride	11	suppressed
Loperamide	Loperamide Hcl	11	suppressed
Lovastatin	Lovastatin	11	suppressed
Memantine Hcl	Memantine Hcl	11	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	11	suppressed
Paroxetine Hcl	Paroxetine Hcl	11	suppressed
Symbicort	Budesonide/Formoterol Fumarate	11	suppressed
Tresiba Flextouch U-200	Insulin Degludec	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