Healthcare provider profile · identity verified

Bobby L. Karp, MD

Family Practice · BLUE EARTH, MN · NPI 1386965184

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	492	110
Amlodipine Besylate	Amlodipine Besylate	445	106
Lisinopril	Lisinopril	417	108
Levothyroxine Sodium	Levothyroxine Sodium	396	77
Eliquis	Apixaban	367	50
Losartan Potassium	Losartan Potassium	336	87
Omeprazole	Omeprazole	334	73
Metoprolol Succinate	Metoprolol Succinate	313	72
Warfarin Sodium	Warfarin Sodium	290	54
Gabapentin	Gabapentin	279	49
Furosemide	Furosemide	276	57
Pantoprazole Sodium	Pantoprazole Sodium	274	47
Metformin Hcl Er	Metformin Hcl	244	51
Rosuvastatin Calcium	Rosuvastatin Calcium	233	66
Simvastatin	Simvastatin	228	52
Pravastatin Sodium	Pravastatin Sodium	220	51
Tamsulosin Hcl	Tamsulosin Hcl	216	56
Hydrochlorothiazide	Hydrochlorothiazide	195	54
Metoprolol Tartrate	Metoprolol Tartrate	191	48
Potassium Chloride	Potassium Chloride	187	37
Metformin Hcl	Metformin Hcl	155	34
Sertraline Hcl	Sertraline Hcl	141	26
Tramadol Hcl	Tramadol Hcl	140	27
Glimepiride	Glimepiride	137	20
Trazodone Hcl	Trazodone Hcl	130	21
Venlafaxine Hcl Er	Venlafaxine Hcl	128	20
Famotidine	Famotidine	127	24
Jardiance	Empagliflozin	122	17
Allopurinol	Allopurinol	121	32
Quetiapine Fumarate	Quetiapine Fumarate	111	13
Atenolol	Atenolol	109	26
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	104	22
Spironolactone	Spironolactone	97	12
Clopidogrel	Clopidogrel Bisulfate	92	26
Finasteride	Finasteride	89	21
Prednisone	Prednisone	84	34
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	83	16
Myrbetriq	Mirabegron	81	suppressed
Fluticasone Propionate	Fluticasone Propionate	79	23
Duloxetine Hcl	Duloxetine Hcl	78	11
Isosorbide Mononitrate Er	Isosorbide Mononitrate	78	12
Escitalopram Oxalate	Escitalopram Oxalate	72	18
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	72	16
Citalopram Hbr	Citalopram Hydrobromide	70	13
Carvedilol	Carvedilol	68	16
Bupropion Xl	Bupropion Hcl	66	14
Albuterol Sulfate Hfa	Albuterol Sulfate	65	24
Pregabalin	Pregabalin	63	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	60	13
Memantine Hcl	Memantine Hcl	59	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	57	suppressed
Montelukast Sodium	Montelukast Sodium	57	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	56	12
Nortriptyline Hcl	Nortriptyline Hcl	54	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	52	14
Amitriptyline Hcl	Amitriptyline Hcl	48	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	48	13
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	48	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	47	25
Latanoprost	Latanoprost	47	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	47	39
Ropinirole Hcl	Ropinirole Hcl	44	suppressed
Baclofen	Baclofen	42	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	42	13
Oxycodone Hcl	Oxycodone Hcl	40	suppressed
Carbamazepine Er	Carbamazepine	39	suppressed
Entresto	Sacubitril/Valsartan	39	suppressed
Farxiga	Dapagliflozin Propanediol	39	suppressed
Januvia	Sitagliptin Phosphate	39	suppressed
Morphine Sulfate Er	Morphine Sulfate	37	suppressed
Paroxetine Hcl	Paroxetine Hcl	37	suppressed
Buspirone Hcl	Buspirone Hcl	35	11
Lamotrigine	Lamotrigine	35	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	35	suppressed
Ozempic	Semaglutide	35	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	35	30
Trulicity	Dulaglutide	35	suppressed
Clonidine Hcl	Clonidine Hcl	34	suppressed
Mirtazapine	Mirtazapine	34	suppressed
Amoxicillin	Amoxicillin	33	18
Olanzapine	Olanzapine	33	suppressed
Alprazolam	Alprazolam	32	suppressed
Levetiracetam	Levetiracetam	32	suppressed
Propranolol Hcl Er	Propranolol Hcl	32	suppressed
Xarelto	Rivaroxaban	32	11
Novolog Flexpen	Insulin Aspart	30	suppressed
Estradiol	Estradiol	29	12
Ezetimibe	Ezetimibe	29	suppressed
Trospium Chloride	Trospium Chloride	29	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	29	suppressed
Arexvy	Rsvpref3 Antigen/As01e/Pf	26	26
Celecoxib	Celecoxib	26	suppressed
Diclofenac Sodium	Diclofenac Sodium	26	suppressed
Lorazepam	Lorazepam	26	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	26	19
Glipizide	Glipizide	25	suppressed
Humalog Kwikpen U-100	Insulin Lispro	25	suppressed
Methotrexate	Methotrexate Sodium	25	suppressed
Tizanidine Hcl	Tizanidine Hcl	25	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	25	suppressed
Incruse Ellipta	Umeclidinium Bromide	24	suppressed
Ketoconazole	Ketoconazole	24	13
Soliqua 100-33	Insulin Glargine/Lixisenatide	24	suppressed
Topiramate	Topiramate	24	suppressed
Ventolin Hfa	Albuterol Sulfate	24	suppressed
Donepezil Hcl	Donepezil Hcl	23	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	22	suppressed
Breo Ellipta	Fluticasone/Vilanterol	22	suppressed
Torsemide	Torsemide	22	suppressed
Anastrozole	Anastrozole	21	suppressed
Nystop	Nystatin	21	suppressed
Alendronate Sodium	Alendronate Sodium	20	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	20	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	20	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	20	suppressed
Flecainide Acetate	Flecainide Acetate	19	suppressed
Naproxen	Naproxen	19	suppressed
Ondansetron Hcl	Ondansetron Hcl	19	suppressed
Solifenacin Succinate	Solifenacin Succinate	19	suppressed
Cephalexin	Cephalexin	18	15
Nitroglycerin	Nitroglycerin	18	15
Oxybutynin Chloride	Oxybutynin Chloride	18	suppressed
Diazepam	Diazepam	17	suppressed
Fluconazole	Fluconazole	17	16
Lamictal	Lamotrigine	17	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	17	suppressed
Lovastatin	Lovastatin	17	suppressed
Methylphenidate Er	Methylphenidate Hcl	17	suppressed
Nifedipine Er	Nifedipine	17	suppressed
Brimonidine Tartrate-Timolol	Brimonidine Tartrate/Timolol	16	suppressed
Clobetasol Propionate	Clobetasol Propionate	16	suppressed
Divalproex Sodium Er	Divalproex Sodium	16	suppressed
Nystatin	Nystatin	16	13
Pioglitazone Hcl	Pioglitazone Hcl	16	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	15	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	15	suppressed
Benazepril Hcl	Benazepril Hcl	15	suppressed
Bupropion Hcl Sr	Bupropion Hcl	15	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	15	suppressed
Propranolol Hcl	Propranolol Hcl	15	suppressed
Spiriva Handihaler	Tiotropium Bromide	15	suppressed
Aripiprazole	Aripiprazole	14	suppressed
Chlorthalidone	Chlorthalidone	14	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	14	suppressed
Hydrocortisone	Hydrocortisone	14	suppressed
Ibuprofen	Ibuprofen	14	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	14	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	14	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	13	suppressed
Diltiazem Hcl	Diltiazem Hcl	13	suppressed
Liothyronine Sodium	Liothyronine Sodium	13	suppressed
Primidone	Primidone	13	suppressed
Sucralfate	Sucralfate	13	suppressed
Synthroid	Levothyroxine Sodium	13	suppressed
Tamoxifen Citrate	Tamoxifen Citrate	13	suppressed
Belsomra	Suvorexant	12	suppressed
Bupropion Hcl	Bupropion Hcl	12	suppressed
Creon	Lipase/Protease/Amylase	12	suppressed
Mesalamine	Mesalamine	12	suppressed
Nebivolol Hcl	Nebivolol Hcl	12	suppressed
Ondansetron Odt	Ondansetron	12	suppressed
Savella	Milnacipran Hcl	12	suppressed
Tresiba Flextouch U-100	Insulin Degludec	12	suppressed
Clonazepam	Clonazepam	11	suppressed
Colchicine	Colchicine	11	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Meclizine Hcl	Meclizine Hcl	11	suppressed
Mometasone Furoate	Mometasone Furoate	11	suppressed
Mounjaro	Tirzepatide	11	suppressed
Oseltamivir Phosphate	Oseltamivir Phosphate	11	11

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