Healthcare provider profile · identity verified

William G Muller, MD

Family Practice · BEMIDJI, MN · NPI 1942228531

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	1284	294
Losartan Potassium	Losartan Potassium	1144	291
Amlodipine Besylate	Amlodipine Besylate	804	198
Lisinopril	Lisinopril	737	175
Omeprazole	Omeprazole	729	186
Levothyroxine Sodium	Levothyroxine Sodium	616	120
Metoprolol Succinate	Metoprolol Succinate	597	154
Gabapentin	Gabapentin	590	107
Hydrochlorothiazide	Hydrochlorothiazide	562	149
Metformin Hcl	Metformin Hcl	507	119
Simvastatin	Simvastatin	411	104
Tamsulosin Hcl	Tamsulosin Hcl	410	107
Metoprolol Tartrate	Metoprolol Tartrate	327	73
Rosuvastatin Calcium	Rosuvastatin Calcium	325	90
Eliquis	Apixaban	283	60
Albuterol Sulfate Hfa	Albuterol Sulfate	256	78
Pantoprazole Sodium	Pantoprazole Sodium	242	54
Furosemide	Furosemide	240	67
Allopurinol	Allopurinol	223	52
Trazodone Hcl	Trazodone Hcl	203	50
Tramadol Hcl	Tramadol Hcl	201	43
Clopidogrel	Clopidogrel Bisulfate	197	48
Carvedilol	Carvedilol	157	42
Pravastatin Sodium	Pravastatin Sodium	152	41
Fluoxetine Hcl	Fluoxetine Hcl	149	48
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	146	43
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	142	37
Fluticasone Propionate	Fluticasone Propionate	142	44
Metformin Hcl Er	Metformin Hcl	137	29
Sertraline Hcl	Sertraline Hcl	135	33
Montelukast Sodium	Montelukast Sodium	127	26
Spironolactone	Spironolactone	125	31
Famotidine	Famotidine	118	32
Potassium Chloride	Potassium Chloride	117	25
Warfarin Sodium	Warfarin Sodium	115	32
Citalopram Hbr	Citalopram Hydrobromide	114	27
Trulicity	Dulaglutide	106	21
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	105	32
Atenolol	Atenolol	100	32
Bupropion Xl	Bupropion Hcl	99	31
Finasteride	Finasteride	97	23
Zolpidem Tartrate	Zolpidem Tartrate	96	17
Januvia	Sitagliptin Phosphate	92	25
Duloxetine Hcl	Duloxetine Hcl	91	19
Mirtazapine	Mirtazapine	90	20
Ventolin Hfa	Albuterol Sulfate	90	27
Triamcinolone Acetonide	Triamcinolone Acetonide	89	38
Ezetimibe	Ezetimibe	84	19
Escitalopram Oxalate	Escitalopram Oxalate	83	25
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	79	14
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	78	21
Glipizide Er	Glipizide	78	21
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	78	23
Meloxicam	Meloxicam	76	21
Prednisone	Prednisone	72	37
Baclofen	Baclofen	69	12
Farxiga	Dapagliflozin Propanediol	66	13
Donepezil Hcl	Donepezil Hcl	65	suppressed
Alendronate Sodium	Alendronate Sodium	64	19
Buspirone Hcl	Buspirone Hcl	64	13
Ozempic	Semaglutide	58	suppressed
Clonazepam	Clonazepam	57	17
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	57	18
Isosorbide Mononitrate Er	Isosorbide Mononitrate	56	15
Gemfibrozil	Gemfibrozil	55	14
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	54	17
Combivent Respimat	Ipratropium/Albuterol Sulfate	53	14
Acetaminophen-Codeine	Acetaminophen With Codeine	51	suppressed
Fenofibrate	Fenofibrate	51	11
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	51	suppressed
Jardiance	Empagliflozin	50	13
Loperamide	Loperamide Hcl	50	suppressed
Pregabalin	Pregabalin	49	11
Ipratropium Bromide	Ipratropium Bromide	47	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	46	15
Glipizide	Glipizide	45	suppressed
Chlorthalidone	Chlorthalidone	44	11
Carbidopa-Levodopa	Carbidopa/Levodopa	41	suppressed
Ropinirole Hcl	Ropinirole Hcl	41	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	40	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	40	36
Ibuprofen	Ibuprofen	39	14
Lactulose	Lactulose	39	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	38	15
Nifedipine Er	Nifedipine	38	suppressed
Varenicline Tartrate	Varenicline Tartrate	38	12
Quetiapine Fumarate	Quetiapine Fumarate	37	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	37	12
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	36	13
Bydureon Bcise	Exenatide Microspheres	36	suppressed
Paroxetine Hcl	Paroxetine Hcl	36	suppressed
Glimepiride	Glimepiride	35	suppressed
Fenofibrate	Fenofibrate,micronized	34	suppressed
Carbamazepine Er	Carbamazepine	33	suppressed
Hydralazine Hcl	Hydralazine Hcl	33	suppressed
Klor-Con M10	Potassium Chloride	33	suppressed
Lamotrigine	Lamotrigine	33	suppressed
Ondansetron Odt	Ondansetron	33	13
Lorazepam	Lorazepam	32	12
Amitriptyline Hcl	Amitriptyline Hcl	31	13
Divalproex Sodium	Divalproex Sodium	31	suppressed
Jantoven	Warfarin Sodium	31	suppressed
Topiramate	Topiramate	31	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	31	14
Alcohol Swabs	Alcohol Antiseptic Pads	30	suppressed
Divalproex Sodium Er	Divalproex Sodium	30	suppressed
Levetiracetam	Levetiracetam	30	suppressed
Spiriva Handihaler	Tiotropium Bromide	29	suppressed
Diazepam	Diazepam	28	suppressed
Nitroglycerin	Nitroglycerin	28	21
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	28	12
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	27	suppressed
Insulin Aspart Flexpen	Insulin Aspart	27	suppressed
Meclizine Hcl	Meclizine Hcl	27	suppressed
Myrbetriq	Mirabegron	27	suppressed
Oxycodone Hcl	Oxycodone Hcl	27	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	27	suppressed
Symbicort	Budesonide/Formoterol Fumarate	27	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	26	suppressed
Ramipril	Ramipril	26	suppressed
Xarelto	Rivaroxaban	26	suppressed
Cephalexin	Cephalexin	25	23
Doxepin Hcl	Doxepin Hcl	25	suppressed
Valsartan	Valsartan	24	suppressed
Amoxicillin	Amoxicillin	23	15
Atrovent Hfa	Ipratropium Bromide	23	suppressed
Humalog Kwikpen U-100	Insulin Lispro	23	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	21	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	20	suppressed
Benazepril Hcl	Benazepril Hcl	20	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	20	suppressed
Enalapril Maleate	Enalapril Maleate	20	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	20	suppressed
Lovastatin	Lovastatin	20	suppressed
Novolog Flexpen	Insulin Aspart	20	suppressed
Semglee (Yfgn) Pen	Insulin Glargine-Yfgn	20	suppressed
Diclofenac Sodium	Diclofenac Sodium	19	11
Dilt-Xr	Diltiazem Hcl	19	suppressed
Entresto	Sacubitril/Valsartan	19	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	19	suppressed
Klor-Con M20	Potassium Chloride	19	suppressed
Repaglinide	Repaglinide	19	suppressed
Risperidone	Risperidone	19	suppressed
Dulera	Mometasone/Formoterol	18	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	18	suppressed
Propranolol Hcl	Propranolol Hcl	18	suppressed
Sotalol	Sotalol Hcl	18	suppressed
Valacyclovir	Valacyclovir Hcl	18	suppressed
Aspirin-Dipyridamole Er	Aspirin/Dipyridamole	17	suppressed
Azelastine Hcl	Azelastine Hcl	17	suppressed
Clonidine Hcl	Clonidine Hcl	17	suppressed
Incruse Ellipta	Umeclidinium Bromide	17	suppressed
Quetiapine Fumarate Er	Quetiapine Fumarate	17	suppressed
Sulfasalazine	Sulfasalazine	17	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	17	suppressed
Azithromycin	Azithromycin	16	14
Breo Ellipta	Fluticasone/Vilanterol	16	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	16	suppressed
Indomethacin	Indomethacin	16	suppressed
Novolog Mix 70-30 Flexpen	Insulin Aspart Prot/Insuln Asp	16	suppressed
Tizanidine Hcl	Tizanidine Hcl	16	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	15	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	15	14
Cholestyramine	Cholestyramine (With Sugar)	15	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	15	suppressed
Irbesartan	Irbesartan	15	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	15	suppressed
Ondansetron Hcl	Ondansetron Hcl	15	suppressed
Temazepam	Temazepam	15	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	15	suppressed
Bumetanide	Bumetanide	14	suppressed
Celecoxib	Celecoxib	14	suppressed
Semglee (Yfgn)	Insulin Glargine-Yfgn	14	suppressed
Trihexyphenidyl Hcl	Trihexyphenidyl Hcl	14	suppressed
Alprazolam	Alprazolam	13	suppressed
Calcitonin-Salmon	Calcitonin,salmon,synthetic	13	suppressed
Cartia Xt	Diltiazem Hcl	13	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	13	suppressed
Desmopressin Acetate	Desmopressin Acetate	13	suppressed
Dilantin	Phenytoin Sodium Extended	13	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	13	11
Humalog Kwikpen U-200	Insulin Lispro	13	suppressed
Hydrocortisone	Hydrocortisone	13	suppressed
Nystatin	Nystatin	13	suppressed
Vascepa	Icosapent Ethyl	13	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	13	suppressed
Cinacalcet Hcl	Cinacalcet Hcl	12	suppressed
Felbamate	Felbamate	12	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	12	suppressed
Acarbose	Acarbose	11	suppressed
Aripiprazole	Aripiprazole	11	suppressed
Clotrimazole	Clotrimazole	11	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	11	suppressed
Easy Touch Pen Needle	Pen Needle, Diabetic	11	suppressed
Fluconazole	Fluconazole	11	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	11	suppressed
Minocycline Hcl	Minocycline Hcl	11	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	11	suppressed
Naproxen	Naproxen	11	suppressed
Primidone	Primidone	11	suppressed
Terazosin Hcl	Terazosin Hcl	11	suppressed
Unifine Safecontrol Pen Needle	Pen Needle,dual Safety,diabetc	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