Healthcare provider profile · identity verified

Michael Nels Kirk, M.D.

Family Practice · COLUMBIA, IL · NPI 1922179175

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	616	168
Amlodipine Besylate	Amlodipine Besylate	552	159
Lisinopril	Lisinopril	510	151
Rosuvastatin Calcium	Rosuvastatin Calcium	466	134
Levothyroxine Sodium	Levothyroxine Sodium	454	116
Omeprazole	Omeprazole	413	118
Losartan Potassium	Losartan Potassium	310	97
Alprazolam	Alprazolam	306	75
Meloxicam	Meloxicam	264	67
Gabapentin	Gabapentin	261	67
Simvastatin	Simvastatin	256	74
Metformin Hcl	Metformin Hcl	254	78
Metoprolol Succinate	Metoprolol Succinate	241	73
Pantoprazole Sodium	Pantoprazole Sodium	235	70
Lorazepam	Lorazepam	223	51
Zolpidem Tartrate	Zolpidem Tartrate	223	41
Hydrochlorothiazide	Hydrochlorothiazide	202	60
Tamsulosin Hcl	Tamsulosin Hcl	196	57
Allopurinol	Allopurinol	187	55
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	178	54
Tramadol Hcl	Tramadol Hcl	177	54
Potassium Chloride	Potassium Chloride	160	45
Montelukast Sodium	Montelukast Sodium	157	43
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	155	45
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	152	47
Furosemide	Furosemide	151	43
Metoprolol Tartrate	Metoprolol Tartrate	149	41
Sertraline Hcl	Sertraline Hcl	147	38
Metformin Hcl Er	Metformin Hcl	146	45
Albuterol Sulfate Hfa	Albuterol Sulfate	136	50
Duloxetine Hcl	Duloxetine Hcl	121	31
Ozempic	Semaglutide	121	29
Eliquis	Apixaban	120	24
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	119	29
Fluticasone Propionate	Fluticasone Propionate	117	38
Escitalopram Oxalate	Escitalopram Oxalate	113	31
Trazodone Hcl	Trazodone Hcl	103	32
Citalopram Hbr	Citalopram Hydrobromide	102	27
Methylprednisolone	Methylprednisolone	93	72
Glipizide	Glipizide	89	26
Glipizide Er	Glipizide	81	24
Alendronate Sodium	Alendronate Sodium	72	22
Atenolol	Atenolol	70	18
Carvedilol	Carvedilol	70	22
Fenofibrate	Fenofibrate Nanocrystallized	68	17
Clopidogrel	Clopidogrel Bisulfate	65	22
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	64	26
Pregabalin	Pregabalin	63	suppressed
Finasteride	Finasteride	62	21
Pravastatin Sodium	Pravastatin Sodium	61	18
Carbidopa-Levodopa	Carbidopa/Levodopa	59	12
Baclofen	Baclofen	53	13
Fluoxetine Hcl	Fluoxetine Hcl	53	15
Bupropion Xl	Bupropion Hcl	51	13
Lovastatin	Lovastatin	51	13
Xarelto	Rivaroxaban	51	15
Amitriptyline Hcl	Amitriptyline Hcl	50	12
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	49	11
Donepezil Hcl	Donepezil Hcl	47	13
Jardiance	Empagliflozin	47	suppressed
Paroxetine Hcl	Paroxetine Hcl	45	14
Famotidine	Famotidine	43	15
Quetiapine Fumarate	Quetiapine Fumarate	43	suppressed
Testosterone Cypionate	Testosterone Cypionate	43	suppressed
Meclizine Hcl	Meclizine Hcl	40	14
Prednisone	Prednisone	40	31
Amoxicillin	Amoxicillin	38	16
Fenofibrate	Fenofibrate	38	12
Doxepin Hcl	Doxepin Hcl	37	suppressed
Ropinirole Hcl	Ropinirole Hcl	36	suppressed
Glimepiride	Glimepiride	35	12
Lactulose	Lactulose	35	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	35	13
Venlafaxine Hcl Er	Venlafaxine Hcl	35	11
Synthroid	Levothyroxine Sodium	34	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	33	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	33	26
Ezetimibe	Ezetimibe	33	suppressed
Valsartan	Valsartan	33	suppressed
Clonazepam	Clonazepam	32	suppressed
Diclofenac Sodium	Diclofenac Sodium	32	13
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	32	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	32	suppressed
Spironolactone	Spironolactone	32	suppressed
Temazepam	Temazepam	32	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	31	suppressed
Memantine Hcl	Memantine Hcl	31	suppressed
Celecoxib	Celecoxib	30	13
Dutasteride	Dutasteride	30	suppressed
Azithromycin	Azithromycin	29	24
Linzess	Linaclotide	29	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	28	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	27	suppressed
Enalapril Maleate	Enalapril Maleate	27	suppressed
Sucralfate	Sucralfate	27	suppressed
Symbicort	Budesonide/Formoterol Fumarate	27	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	26	16
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	26	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	26	20
Vitamin D2	Ergocalciferol (Vitamin D2)	26	suppressed
Januvia	Sitagliptin Phosphate	25	suppressed
Valacyclovir	Valacyclovir Hcl	25	16
Clobetasol Propionate	Clobetasol Propionate	24	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	24	suppressed
Breo Ellipta	Fluticasone/Vilanterol	23	suppressed
Buspirone Hcl	Buspirone Hcl	23	suppressed
Levetiracetam	Levetiracetam	23	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	23	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	22	16
Ondansetron Hcl	Ondansetron Hcl	22	suppressed
Gemfibrozil	Gemfibrozil	21	suppressed
Ibuprofen	Ibuprofen	21	suppressed
Imipramine Hcl	Imipramine Hcl	21	suppressed
Naproxen	Naproxen	20	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	20	suppressed
Azelastine Hcl	Azelastine Hcl	19	suppressed
Bupropion Hcl Sr	Bupropion Hcl	19	suppressed
Mupirocin	Mupirocin	19	suppressed
Sulfasalazine	Sulfasalazine	19	suppressed
Clonidine Hcl	Clonidine Hcl	18	suppressed
Metronidazole	Metronidazole	18	14
Oxybutynin Chloride	Oxybutynin Chloride	18	suppressed
Solifenacin Succinate	Solifenacin Succinate	18	suppressed
Acyclovir	Acyclovir	17	suppressed
Entresto	Sacubitril/Valsartan	17	suppressed
Fluvoxamine Maleate	Fluvoxamine Maleate	17	suppressed
Ipratropium Bromide	Ipratropium Bromide	17	11
Mirtazapine	Mirtazapine	17	suppressed
Nebivolol Hcl	Nebivolol Hcl	17	suppressed
Oxycodone Hcl	Oxycodone Hcl	17	suppressed
Risperidone	Risperidone	17	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	17	14
Terbinafine Hcl	Terbinafine Hcl	17	suppressed
Varenicline Tartrate	Varenicline Tartrate	17	suppressed
Chlorthalidone	Chlorthalidone	16	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	16	suppressed
Nabumetone	Nabumetone	16	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	15	12
Estradiol	Estradiol	15	suppressed
Lansoprazole	Lansoprazole	15	suppressed
Repatha Sureclick	Evolocumab	15	suppressed
Sildenafil Citrate	Sildenafil Citrate	15	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	14	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	14	suppressed
Farxiga	Dapagliflozin Propanediol	14	suppressed
Mounjaro	Tirzepatide	14	suppressed
Terazosin Hcl	Terazosin Hcl	14	suppressed
Tizanidine Hcl	Tizanidine Hcl	14	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	14	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Hydralazine Hcl	Hydralazine Hcl	13	suppressed
Klor-Con M20	Potassium Chloride	13	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	13	suppressed
Rabeprazole Sodium	Rabeprazole Sodium	13	suppressed
Torsemide	Torsemide	13	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	12	suppressed
Nitroglycerin	Nitroglycerin	12	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	12	suppressed
Orphenadrine Citrate Er	Orphenadrine Citrate	12	suppressed
Ranolazine Er	Ranolazine	12	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	11	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	11	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	11	suppressed
Eszopiclone	Eszopiclone	11	suppressed
Janumet Xr	Sitagliptin Phos/Metformin Hcl	11	suppressed
Lamotrigine	Lamotrigine	11	suppressed
Metaxalone	Metaxalone	11	suppressed
Ulticare 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