Healthcare provider profile · identity verified

Megan A Tkachuk, MD

Family Practice · HARTFORD, WI · NPI 1790719086

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
Losartan Potassium	Losartan Potassium	448	111
Levothyroxine Sodium	Levothyroxine Sodium	392	90
Atorvastatin Calcium	Atorvastatin Calcium	377	104
Lisinopril	Lisinopril	354	92
Amlodipine Besylate	Amlodipine Besylate	344	93
Rosuvastatin Calcium	Rosuvastatin Calcium	285	77
Pantoprazole Sodium	Pantoprazole Sodium	265	75
Omeprazole	Omeprazole	225	62
Metoprolol Succinate	Metoprolol Succinate	224	60
Potassium Chloride	Potassium Chloride	203	53
Metoprolol Tartrate	Metoprolol Tartrate	197	51
Gabapentin	Gabapentin	182	43
Sertraline Hcl	Sertraline Hcl	178	48
Hydrochlorothiazide	Hydrochlorothiazide	166	47
Furosemide	Furosemide	160	43
Pravastatin Sodium	Pravastatin Sodium	147	32
Albuterol Sulfate Hfa	Albuterol Sulfate	145	42
Simvastatin	Simvastatin	141	43
Duloxetine Hcl	Duloxetine Hcl	136	25
Metformin Hcl	Metformin Hcl	129	33
Metformin Hcl Er	Metformin Hcl	127	38
Lorazepam	Lorazepam	114	25
Warfarin Sodium	Warfarin Sodium	99	20
Trazodone Hcl	Trazodone Hcl	98	21
Eliquis	Apixaban	97	20
Clopidogrel	Clopidogrel Bisulfate	94	27
Tramadol Hcl	Tramadol Hcl	93	18
Fluticasone Propionate	Fluticasone Propionate	92	31
Allopurinol	Allopurinol	91	26
Fluoxetine Hcl	Fluoxetine Hcl	84	15
Alprazolam	Alprazolam	73	18
Carvedilol	Carvedilol	73	15
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	70	13
Hydralazine Hcl	Hydralazine Hcl	65	13
Prednisone	Prednisone	63	30
Tizanidine Hcl	Tizanidine Hcl	62	17
Atenolol	Atenolol	55	16
Citalopram Hbr	Citalopram Hydrobromide	55	suppressed
Famotidine	Famotidine	55	16
Tamsulosin Hcl	Tamsulosin Hcl	49	17
Baclofen	Baclofen	47	12
Escitalopram Oxalate	Escitalopram Oxalate	47	12
Jardiance	Empagliflozin	46	suppressed
Ezetimibe	Ezetimibe	44	16
Finasteride	Finasteride	44	14
Venlafaxine Hcl Er	Venlafaxine Hcl	44	11
Alendronate Sodium	Alendronate Sodium	41	15
Bumetanide	Bumetanide	41	suppressed
Bupropion Xl	Bupropion Hcl	41	suppressed
Pregabalin	Pregabalin	41	suppressed
Montelukast Sodium	Montelukast Sodium	40	12
Lovastatin	Lovastatin	39	11
Memantine Hcl	Memantine Hcl	39	suppressed
Nystatin	Nystatin	39	17
Enalapril Maleate	Enalapril Maleate	38	suppressed
Lamotrigine	Lamotrigine	36	suppressed
Glipizide Er	Glipizide	35	suppressed
Donepezil Hcl	Donepezil Hcl	34	suppressed
Farxiga	Dapagliflozin Propanediol	34	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	32	suppressed
Spironolactone	Spironolactone	32	suppressed
Arnuity Ellipta	Fluticasone Furoate	31	suppressed
Symbicort	Budesonide/Formoterol Fumarate	31	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	30	13
Synthroid	Levothyroxine Sodium	30	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	30	20
Xarelto	Rivaroxaban	29	suppressed
Breo Ellipta	Fluticasone/Vilanterol	28	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	28	12
Cephalexin	Cephalexin	27	16
Meloxicam	Meloxicam	27	suppressed
Clonazepam	Clonazepam	26	suppressed
Valsartan	Valsartan	26	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	25	suppressed
Bupropion Hcl Sr	Bupropion Hcl	25	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	25	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	25	suppressed
Azithromycin	Azithromycin	24	20
Cefdinir	Cefdinir	24	20
Fluconazole	Fluconazole	24	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	24	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	24	suppressed
Valacyclovir	Valacyclovir Hcl	24	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	23	suppressed
Loperamide	Loperamide Hcl	23	suppressed
Mounjaro	Tirzepatide	23	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	23	19
Torsemide	Torsemide	23	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	23	suppressed
Divalproex Sodium Er	Divalproex Sodium	22	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	21	19
Calcitriol	Calcitriol	21	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	21	suppressed
Linzess	Linaclotide	21	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	20	suppressed
Diazepam	Diazepam	20	suppressed
Topiramate	Topiramate	20	suppressed
Mirtazapine	Mirtazapine	19	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	18	suppressed
Levetiracetam	Levetiracetam	18	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	18	suppressed
Paroxetine Hcl	Paroxetine Hcl	18	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	18	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	17	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	17	suppressed
Ventolin Hfa	Albuterol Sulfate	17	suppressed
Verapamil Er	Verapamil Hcl	17	suppressed
Azelastine Hcl	Azelastine Hcl	16	suppressed
Diclofenac Sodium	Diclofenac Sodium	16	suppressed
Nyamyc	Nystatin	16	suppressed
Rizatriptan	Rizatriptan Benzoate	16	suppressed
Demeclocycline Hcl	Demeclocycline Hcl	15	suppressed
Ozempic	Semaglutide	15	suppressed
Ketoconazole	Ketoconazole	14	suppressed
Propranolol Hcl	Propranolol Hcl	14	suppressed
Amoxicillin	Amoxicillin	13	11
Chlorthalidone	Chlorthalidone	13	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	13	suppressed
Glimepiride	Glimepiride	13	suppressed
Myrbetriq	Mirabegron	13	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	13	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	13	suppressed
Rybelsus	Semaglutide	13	suppressed
Solifenacin Succinate	Solifenacin Succinate	13	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	13	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	12	suppressed
Fenofibrate	Fenofibrate	12	suppressed
Nabumetone	Nabumetone	12	suppressed
Ropinirole Hcl	Ropinirole Hcl	12	suppressed
Sulfasalazine	Sulfasalazine	12	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	12	suppressed
Boostrix Tdap	Diphth,pertuss(Acell),tet Vac	11	11
Buspirone Hcl	Buspirone Hcl	11	suppressed
Celecoxib	Celecoxib	11	suppressed
Humulin 70/30 Kwikpen	Insulin Nph Hum/Reg Insulin Hm	11	suppressed
Latanoprost	Latanoprost	11	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	11	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	11	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	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