Healthcare provider profile · identity verified

Kathleen E Haverkamp, MD

Family Practice · IOWA FALLS, IA · NPI 1437168069

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	313	92
Losartan Potassium	Losartan Potassium	305	83
Metoprolol Succinate	Metoprolol Succinate	221	57
Levothyroxine Sodium	Levothyroxine Sodium	208	55
Amlodipine Besylate	Amlodipine Besylate	175	47
Eliquis	Apixaban	173	25
Gabapentin	Gabapentin	139	36
Pantoprazole Sodium	Pantoprazole Sodium	139	42
Furosemide	Furosemide	133	36
Simvastatin	Simvastatin	130	37
Escitalopram Oxalate	Escitalopram Oxalate	120	32
Lisinopril	Lisinopril	119	36
Tramadol Hcl	Tramadol Hcl	117	35
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	111	31
Potassium Chloride	Potassium Chloride	111	33
Zolpidem Tartrate	Zolpidem Tartrate	105	19
Clopidogrel	Clopidogrel Bisulfate	93	21
Hydrochlorothiazide	Hydrochlorothiazide	91	29
Warfarin Sodium	Warfarin Sodium	85	14
Trazodone Hcl	Trazodone Hcl	83	22
Arexvy	Rsvpref3 Antigen/As01e/Pf	77	75
Montelukast Sodium	Montelukast Sodium	77	20
Prednisone	Prednisone	77	32
Omeprazole	Omeprazole	73	28
Alprazolam	Alprazolam	72	18
Metformin Hcl	Metformin Hcl	65	16
Spironolactone	Spironolactone	64	17
Famotidine	Famotidine	62	18
Rosuvastatin Calcium	Rosuvastatin Calcium	60	19
Metformin Hcl Er	Metformin Hcl	56	20
Metoprolol Tartrate	Metoprolol Tartrate	56	16
Ozempic	Semaglutide	56	suppressed
Bupropion Xl	Bupropion Hcl	55	14
Duloxetine Hcl	Duloxetine Hcl	54	12
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	54	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	54	18
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	52	21
Sertraline Hcl	Sertraline Hcl	52	14
Meloxicam	Meloxicam	50	16
Atenolol	Atenolol	49	13
Tamsulosin Hcl	Tamsulosin Hcl	48	13
Carvedilol	Carvedilol	43	13
Fentanyl	Fentanyl	43	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	42	suppressed
Xarelto	Rivaroxaban	41	suppressed
Citalopram Hbr	Citalopram Hydrobromide	40	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	39	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	35	suppressed
Alendronate Sodium	Alendronate Sodium	33	suppressed
Cephalexin	Cephalexin	33	21
Lorazepam	Lorazepam	33	suppressed
Mirtazapine	Mirtazapine	31	suppressed
Azithromycin	Azithromycin	30	28
Jardiance	Empagliflozin	30	suppressed
Ropinirole Hcl	Ropinirole Hcl	30	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	29	suppressed
Ezetimibe	Ezetimibe	29	suppressed
Humalog Kwikpen U-100	Insulin Lispro	29	suppressed
Amoxicillin	Amoxicillin	28	24
Ciprofloxacin Hcl	Ciprofloxacin Hcl	28	25
Glimepiride	Glimepiride	28	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	27	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	27	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	26	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	25	12
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	25	22
Entresto	Sacubitril/Valsartan	25	suppressed
Allopurinol	Allopurinol	24	suppressed
Farxiga	Dapagliflozin Propanediol	24	suppressed
Finasteride	Finasteride	24	suppressed
Clonazepam	Clonazepam	23	suppressed
Ibuprofen	Ibuprofen	23	suppressed
Methylprednisolone	Methylprednisolone	23	21
Paroxetine Hcl	Paroxetine Hcl	23	suppressed
Propranolol Hcl	Propranolol Hcl	23	suppressed
Baclofen	Baclofen	22	suppressed
Benazepril Hcl	Benazepril Hcl	22	suppressed
Fluticasone Propionate	Fluticasone Propionate	22	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	21	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	21	21
Myrbetriq	Mirabegron	20	suppressed
Donepezil Hcl	Donepezil Hcl	19	suppressed
Lamotrigine	Lamotrigine	18	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	18	suppressed
Dexlansoprazole Dr	Dexlansoprazole	17	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	17	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	17	12
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	17	15
Amitriptyline Hcl	Amitriptyline Hcl	16	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	16	15
Estradiol	Estradiol	16	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	16	suppressed
Latanoprost	Latanoprost	16	suppressed
Breo Ellipta	Fluticasone/Vilanterol	15	suppressed
Levofloxacin	Levofloxacin	15	15
Oxycodone Hcl	Oxycodone Hcl	15	suppressed
Sucralfate	Sucralfate	15	suppressed
Torsemide	Torsemide	15	suppressed
Bupropion Hcl Sr	Bupropion Hcl	14	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	14	suppressed
Fluconazole	Fluconazole	14	12
Humulin 70-30	Insulin Nph Hum/Reg Insulin Hm	14	suppressed
Insulin Lispro Protamine Mix	Insulin Lispro Protamin/Lispro	14	suppressed
Fiasp Flextouch	Insulin Aspart (Niacinamide)	13	suppressed
Humalog Mix 75-25	Insulin Lispro Protamin/Lispro	13	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	13	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	13	suppressed
Valacyclovir	Valacyclovir Hcl	13	suppressed
Chlorthalidone	Chlorthalidone	12	suppressed
Novolog Mix 70-30 Flexpen	Insulin Aspart Prot/Insuln Asp	12	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	12	suppressed
Pravastatin Sodium	Pravastatin Sodium	12	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	12	suppressed
Arnuity Ellipta	Fluticasone Furoate	11	suppressed
Azelastine Hcl	Azelastine Hcl	11	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	11	suppressed
Lovastatin	Lovastatin	11	suppressed
Novolog Flexpen	Insulin Aspart	11	suppressed
Ondansetron Odt	Ondansetron	11	suppressed
Prempro	Estrogen,con/M-Progest Acet	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