Healthcare provider profile · identity verified

Karen A Hulbert, MD

Family Practice · PRINCETON, WI · NPI 1679524409

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	345	112
Omeprazole	Omeprazole	248	72
Losartan Potassium	Losartan Potassium	218	77
Lisinopril	Lisinopril	211	64
Amlodipine Besylate	Amlodipine Besylate	198	62
Rosuvastatin Calcium	Rosuvastatin Calcium	158	52
Levothyroxine Sodium	Levothyroxine Sodium	154	44
Metoprolol Succinate	Metoprolol Succinate	141	50
Metformin Hcl Er	Metformin Hcl	114	38
Simvastatin	Simvastatin	114	29
Hydrochlorothiazide	Hydrochlorothiazide	112	33
Gabapentin	Gabapentin	110	37
Eliquis	Apixaban	108	33
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	108	30
Tizanidine Hcl	Tizanidine Hcl	106	26
Albuterol Sulfate Hfa	Albuterol Sulfate	94	52
Furosemide	Furosemide	93	31
Fluticasone Propionate	Fluticasone Propionate	78	41
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	76	suppressed
Sertraline Hcl	Sertraline Hcl	76	20
Carvedilol	Carvedilol	73	27
Tramadol Hcl	Tramadol Hcl	70	18
Montelukast Sodium	Montelukast Sodium	66	18
Metoprolol Tartrate	Metoprolol Tartrate	64	20
Pravastatin Sodium	Pravastatin Sodium	63	19
Metformin Hcl	Metformin Hcl	61	20
Tamsulosin Hcl	Tamsulosin Hcl	61	19
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	59	19
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	57	19
Duloxetine Hcl	Duloxetine Hcl	54	19
Pantoprazole Sodium	Pantoprazole Sodium	53	21
Prednisone	Prednisone	52	39
Bupropion Xl	Bupropion Hcl	51	16
Ozempic	Semaglutide	50	16
Pregabalin	Pregabalin	50	13
Clopidogrel	Clopidogrel Bisulfate	49	15
Hydroxyzine Hcl	Hydroxyzine Hcl	48	16
Fluoxetine Hcl	Fluoxetine Hcl	46	13
Trulicity	Dulaglutide	46	11
Lorazepam	Lorazepam	45	13
Atenolol	Atenolol	44	12
Zolpidem Tartrate	Zolpidem Tartrate	44	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	43	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	43	14
Diclofenac Sodium	Diclofenac Sodium	40	16
Escitalopram Oxalate	Escitalopram Oxalate	40	14
Mirtazapine	Mirtazapine	39	suppressed
Potassium Chloride	Potassium Chloride	39	17
Famotidine	Famotidine	38	18
Clonazepam	Clonazepam	36	suppressed
Alprazolam	Alprazolam	35	suppressed
Divalproex Sodium	Divalproex Sodium	34	suppressed
Jardiance	Empagliflozin	33	11
Triamcinolone Acetonide	Triamcinolone Acetonide	33	26
Venlafaxine Hcl Er	Venlafaxine Hcl	33	suppressed
Trazodone Hcl	Trazodone Hcl	31	15
Chlorthalidone	Chlorthalidone	29	11
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	29	11
Aripiprazole	Aripiprazole	28	14
Allopurinol	Allopurinol	26	11
Oxycodone Hcl	Oxycodone Hcl	25	17
Spironolactone	Spironolactone	25	suppressed
Azithromycin	Azithromycin	24	24
Linzess	Linaclotide	24	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	23	suppressed
Mupirocin	Mupirocin	22	20
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	22	suppressed
Warfarin Sodium	Warfarin Sodium	22	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	21	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	21	suppressed
Meloxicam	Meloxicam	20	suppressed
Ondansetron Odt	Ondansetron	20	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	20	suppressed
Buspirone Hcl	Buspirone Hcl	19	suppressed
Nurtec Odt	Rimegepant Sulfate	19	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	19	suppressed
Alendronate Sodium	Alendronate Sodium	18	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	18	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	17	suppressed
Celecoxib	Celecoxib	17	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	17	suppressed
Paroxetine Hcl	Paroxetine Hcl	17	suppressed
Propranolol Hcl Er	Propranolol Hcl	17	suppressed
Flecainide Acetate	Flecainide Acetate	16	suppressed
Lidocaine	Lidocaine	16	suppressed
Propranolol Hcl	Propranolol Hcl	16	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	16	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	15	15
Finasteride	Finasteride	15	suppressed
Ketoconazole	Ketoconazole	15	11
Levetiracetam	Levetiracetam	15	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	15	suppressed
Spiriva Handihaler	Tiotropium Bromide	15	suppressed
Suboxone	Buprenorphine Hcl/Naloxone Hcl	15	suppressed
Ventolin Hfa	Albuterol Sulfate	15	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	14	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	14	12
Citalopram Hbr	Citalopram Hydrobromide	14	suppressed
Clonidine Hcl	Clonidine Hcl	14	suppressed
Donepezil Hcl	Donepezil Hcl	14	suppressed
Morphine Sulfate Er	Morphine Sulfate	14	suppressed
Nystatin	Nystatin	14	suppressed
Synthroid	Levothyroxine Sodium	14	suppressed
Benazepril Hcl	Benazepril Hcl	13	suppressed
Cephalexin	Cephalexin	13	12
Epinephrine	Epinephrine	13	suppressed
Lisdexamfetamine Dimesylate	Lisdexamfetamine Dimesylate	13	suppressed
Methylprednisolone	Methylprednisolone	13	suppressed
Nitroglycerin	Nitroglycerin	13	13
Pioglitazone Hcl	Pioglitazone Hcl	13	suppressed
Ultra-Fine Nano Pen Needle	Pen Needle, Diabetic	13	suppressed
Baclofen	Baclofen	12	suppressed
Chlorzoxazone	Chlorzoxazone	12	suppressed
Estradiol	Estradiol	12	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	12	suppressed
Januvia	Sitagliptin Phosphate	12	suppressed
Larin	Norethindrone Ac/Eth Estradiol	12	suppressed
Oseltamivir Phosphate	Oseltamivir Phosphate	12	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	11	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	11	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	11	suppressed
Glipizide Er	Glipizide	11	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	11	suppressed
Topiramate	Topiramate	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