Healthcare provider profile · identity verified

Katy Wessel, D.O.

Family Practice · HELENA, MT · NPI 1437368487

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
Levothyroxine Sodium	Levothyroxine Sodium	509	129
Lisinopril	Lisinopril	274	71
Atorvastatin Calcium	Atorvastatin Calcium	273	71
Rosuvastatin Calcium	Rosuvastatin Calcium	272	85
Metoprolol Succinate	Metoprolol Succinate	262	66
Omeprazole	Omeprazole	239	61
Olmesartan Medoxomil	Olmesartan Medoxomil	209	51
Amlodipine Besylate	Amlodipine Besylate	195	53
Losartan Potassium	Losartan Potassium	186	48
Hydrochlorothiazide	Hydrochlorothiazide	184	49
Trazodone Hcl	Trazodone Hcl	173	47
Pravastatin Sodium	Pravastatin Sodium	124	34
Gabapentin	Gabapentin	115	32
Simvastatin	Simvastatin	114	26
Fluoxetine Hcl	Fluoxetine Hcl	112	23
Eliquis	Apixaban	109	24
Escitalopram Oxalate	Escitalopram Oxalate	104	20
Metformin Hcl	Metformin Hcl	103	30
Carvedilol	Carvedilol	92	20
Furosemide	Furosemide	90	30
Albuterol Sulfate Hfa	Albuterol Sulfate	88	35
Alendronate Sodium	Alendronate Sodium	85	23
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	83	18
Allopurinol	Allopurinol	76	19
Citalopram Hbr	Citalopram Hydrobromide	75	19
Glimepiride	Glimepiride	69	19
Donepezil Hcl	Donepezil Hcl	68	15
Tamsulosin Hcl	Tamsulosin Hcl	67	15
Sertraline Hcl	Sertraline Hcl	63	16
Spironolactone	Spironolactone	61	19
Duloxetine Hcl	Duloxetine Hcl	60	14
Tramadol Hcl	Tramadol Hcl	60	21
Meloxicam	Meloxicam	59	21
Pantoprazole Sodium	Pantoprazole Sodium	58	21
Potassium Chloride	Potassium Chloride	57	21
Warfarin Sodium	Warfarin Sodium	57	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	51	13
Metoprolol Tartrate	Metoprolol Tartrate	50	14
Metformin Hcl Er	Metformin Hcl	47	suppressed
Atenolol	Atenolol	44	13
Memantine Hcl	Memantine Hcl	42	suppressed
Ventolin Hfa	Albuterol Sulfate	39	14
Chlorthalidone	Chlorthalidone	37	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	37	11
Montelukast Sodium	Montelukast Sodium	36	suppressed
Ozempic	Semaglutide	35	suppressed
Breo Ellipta	Fluticasone/Vilanterol	34	suppressed
Trulicity	Dulaglutide	34	suppressed
Tizanidine Hcl	Tizanidine Hcl	32	13
Doxepin Hcl	Doxepin Hcl	31	suppressed
Morphine Sulfate Er	Morphine Sulfate	31	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	30	suppressed
Paroxetine Hcl	Paroxetine Hcl	30	suppressed
Synthroid	Levothyroxine Sodium	29	suppressed
Celecoxib	Celecoxib	28	suppressed
Mirtazapine	Mirtazapine	28	suppressed
Benazepril Hcl	Benazepril Hcl	27	suppressed
Famotidine	Famotidine	26	11
Xarelto	Rivaroxaban	25	suppressed
Alprazolam	Alprazolam	24	suppressed
Lorazepam	Lorazepam	24	suppressed
Pregabalin	Pregabalin	24	suppressed
Clonazepam	Clonazepam	23	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	23	suppressed
Clopidogrel	Clopidogrel Bisulfate	22	suppressed
Bupropion Xl	Bupropion Hcl	21	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	21	suppressed
Terazosin Hcl	Terazosin Hcl	21	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	21	suppressed
Fluticasone Propionate	Fluticasone Propionate	20	suppressed
Lidocaine	Lidocaine	20	suppressed
Myrbetriq	Mirabegron	19	suppressed
Prednisone	Prednisone	19	suppressed
Valacyclovir	Valacyclovir Hcl	19	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	18	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	18	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	18	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	18	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	18	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	17	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	17	suppressed
Estradiol	Estradiol	17	suppressed
Hydrocortisone	Hydrocortisone	17	suppressed
Irbesartan	Irbesartan	17	suppressed
Mounjaro	Tirzepatide	17	suppressed
Propranolol Hcl	Propranolol Hcl	17	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	17	suppressed
Armour Thyroid	Thyroid,pork	16	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	16	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	16	suppressed
Ropinirole Hcl	Ropinirole Hcl	16	suppressed
Aripiprazole	Aripiprazole	15	suppressed
Azithromycin	Azithromycin	15	14
Oxycodone Hcl	Oxycodone Hcl	15	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	15	suppressed
Cephalexin	Cephalexin	14	suppressed
Ezetimibe	Ezetimibe	14	suppressed
Lovastatin	Lovastatin	14	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	14	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	14	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	13	suppressed
Diltiazem Hcl	Diltiazem Hcl	13	suppressed
Fluticasone Propionate Hfa	Fluticasone Propionate	13	suppressed
Glipizide Er	Glipizide	13	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	13	suppressed
Trinatal Rx 1	Prenatal Vit27,calcium/Iron/Fa	13	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	12	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Levetiracetam	Levetiracetam	12	suppressed
Methocarbamol	Methocarbamol	12	suppressed
Methylprednisolone	Methylprednisolone	12	12
Naproxen	Naproxen	12	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	12	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	12	suppressed
Topiramate	Topiramate	12	suppressed
Enalapril Maleate	Enalapril Maleate	11	suppressed
Finasteride	Finasteride	11	suppressed
Jardiance	Empagliflozin	11	suppressed
Lamotrigine	Lamotrigine	11	suppressed
Oxcarbazepine	Oxcarbazepine	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