Healthcare provider profile · identity verified

Ann Hagedorn, MD

Internal Medicine · GREENVILLE, IL · NPI 1245237825

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	1738	148
Amlodipine Besylate	Amlodipine Besylate	888	95
Potassium Chloride	Potassium Chloride	613	77
Tamsulosin Hcl	Tamsulosin Hcl	564	61
Eliquis	Apixaban	554	56
Lisinopril	Lisinopril	483	57
Furosemide	Furosemide	475	84
Clopidogrel	Clopidogrel Bisulfate	428	52
Famotidine	Famotidine	400	41
Metoprolol Tartrate	Metoprolol Tartrate	397	62
Levothyroxine Sodium	Levothyroxine Sodium	392	45
Levetiracetam	Levetiracetam	365	34
Losartan Potassium	Losartan Potassium	358	48
Carvedilol	Carvedilol	354	39
Metoprolol Succinate	Metoprolol Succinate	353	65
Metformin Hcl	Metformin Hcl	331	33
Pantoprazole Sodium	Pantoprazole Sodium	327	50
Trazodone Hcl	Trazodone Hcl	288	25
Gabapentin	Gabapentin	275	74
Donepezil Hcl	Donepezil Hcl	262	17
Omeprazole	Omeprazole	202	33
Finasteride	Finasteride	194	12
Memantine Hcl	Memantine Hcl	187	13
Mirtazapine	Mirtazapine	182	31
Sertraline Hcl	Sertraline Hcl	169	28
Allopurinol	Allopurinol	162	16
Xarelto	Rivaroxaban	159	suppressed
Buspirone Hcl	Buspirone Hcl	152	23
Baclofen	Baclofen	144	24
Divalproex Sodium Er	Divalproex Sodium	144	suppressed
Ezetimibe	Ezetimibe	140	16
Hydrochlorothiazide	Hydrochlorothiazide	132	12
Quetiapine Fumarate	Quetiapine Fumarate	127	21
Duloxetine Hcl	Duloxetine Hcl	124	19
Hydralazine Hcl	Hydralazine Hcl	120	27
Spironolactone	Spironolactone	115	20
Divalproex Sodium	Divalproex Sodium	109	12
Rosuvastatin Calcium	Rosuvastatin Calcium	105	17
Simvastatin	Simvastatin	95	suppressed
Clonidine Hcl	Clonidine Hcl	94	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	94	20
Amiodarone Hcl	Amiodarone Hcl	92	19
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	92	suppressed
Entresto	Sacubitril/Valsartan	91	suppressed
Olanzapine	Olanzapine	91	suppressed
Latanoprost	Latanoprost	85	14
Farxiga	Dapagliflozin Propanediol	84	suppressed
Midodrine Hcl	Midodrine Hcl	84	suppressed
Myrbetriq	Mirabegron	75	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	74	12
Aripiprazole	Aripiprazole	71	suppressed
Montelukast Sodium	Montelukast Sodium	67	12
Oxybutynin Chloride	Oxybutynin Chloride	66	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	65	suppressed
Tradjenta	Linagliptin	61	suppressed
Hydrocortisone	Hydrocortisone	60	suppressed
Jardiance	Empagliflozin	59	suppressed
Nifedipine Er	Nifedipine	59	suppressed
Memantine Hcl Er	Memantine Hcl	58	suppressed
Paroxetine Hcl	Paroxetine Hcl	58	suppressed
Januvia	Sitagliptin Phosphate	55	suppressed
Amantadine	Amantadine Hcl	53	suppressed
Digoxin	Digoxin	51	suppressed
Warfarin Sodium	Warfarin Sodium	51	suppressed
Oxycodone Hcl	Oxycodone Hcl	50	46
Methimazole	Methimazole	49	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	48	suppressed
Ropinirole Hcl	Ropinirole Hcl	48	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	46	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	45	suppressed
Pravastatin Sodium	Pravastatin Sodium	45	suppressed
Fluticasone Propionate	Fluticasone Propionate	44	19
Sucralfate	Sucralfate	42	suppressed
Topiramate	Topiramate	42	suppressed
Atenolol	Atenolol	41	suppressed
Lactulose	Lactulose	41	17
Anastrozole	Anastrozole	40	suppressed
Glipizide	Glipizide	40	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	40	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	39	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	38	suppressed
Acyclovir	Acyclovir	37	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	36	22
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	36	16
Doxycycline Hyclate	Doxycycline Hyclate	35	22
Fluoxetine Hcl	Fluoxetine Hcl	35	suppressed
Prednisone	Prednisone	35	15
Namzaric	Memantine Hcl/Donepezil Hcl	34	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	34	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	32	24
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	31	16
Methotrexate	Methotrexate Sodium	31	suppressed
Tramadol Hcl	Tramadol Hcl	31	23
Citalopram Hbr	Citalopram Hydrobromide	30	suppressed
Alendronate Sodium	Alendronate Sodium	29	suppressed
Atropine Sulfate	Atropine Sulfate	29	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	28	19
Telmisartan	Telmisartan	28	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	27	suppressed
Risperidone	Risperidone	27	suppressed
Glimepiride	Glimepiride	26	suppressed
Haloperidol	Haloperidol	26	suppressed
Xtandi	Enzalutamide	25	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	24	suppressed
Diltiazem Hcl	Diltiazem Hcl	24	suppressed
Trulicity	Dulaglutide	24	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	23	suppressed
Enalapril Maleate	Enalapril Maleate	23	suppressed
Santyl	Collagenase Clostridium Hist.	23	suppressed
Bumetanide	Bumetanide	22	suppressed
Lorazepam	Lorazepam	22	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	22	12
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	21	suppressed
Chlorthalidone	Chlorthalidone	20	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	20	suppressed
Nebivolol Hcl	Nebivolol Hcl	20	suppressed
Ondansetron Hcl	Ondansetron Hcl	20	11
Benztropine Mesylate	Benztropine Mesylate	19	suppressed
Humalog Kwikpen U-100	Insulin Lispro	19	suppressed
Sevelamer Carbonate	Sevelamer Carbonate	19	suppressed
Bupropion Hcl Sr	Bupropion Hcl	18	suppressed
Ceftriaxone	Ceftriaxone Sodium	18	suppressed
Novolog	Insulin Aspart	18	suppressed
Linzess	Linaclotide	17	suppressed
Nystatin	Nystatin	17	12
Sodium Chloride	0.9 % Sodium Chloride	17	suppressed
Bupropion Xl	Bupropion Hcl	16	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	16	suppressed
Pregabalin	Pregabalin	16	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	15	suppressed
Bupropion Hcl	Bupropion Hcl	15	suppressed
Cefdinir	Cefdinir	15	13
Cephalexin	Cephalexin	15	14
Nystop	Nystatin	15	suppressed
Brimonidine Tartrate-Timolol	Brimonidine Tartrate/Timolol	14	suppressed
Lansoprazole	Lansoprazole	14	suppressed
Novolog Flexpen	Insulin Aspart	14	suppressed
Rybelsus	Semaglutide	14	suppressed
Vascepa	Icosapent Ethyl	14	suppressed
Albuterol Sulfate	Albuterol Sulfate	13	suppressed
Breo Ellipta	Fluticasone/Vilanterol	13	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	13	12
Incruse Ellipta	Umeclidinium Bromide	13	suppressed
Mirabegron Er	Mirabegron	13	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	13	suppressed
Spiriva Respimat	Tiotropium Bromide	13	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Carbamazepine	Carbamazepine	12	suppressed
Fenofibrate	Fenofibrate	12	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	12	suppressed
Ondansetron Odt	Ondansetron	12	suppressed
Rivastigmine	Rivastigmine Tartrate	12	suppressed
Theophylline Er	Theophylline Anhydrous	12	suppressed
Trihexyphenidyl Hcl	Trihexyphenidyl Hcl	12	suppressed
Vilazodone Hcl	Vilazodone Hcl	12	suppressed
Fluticasone-Vilanterol	Fluticasone/Vilanterol	11	suppressed
Gemfibrozil	Gemfibrozil	11	suppressed
Lithium Carbonate	Lithium Carbonate	11	suppressed
Meclizine Hcl	Meclizine Hcl	11	suppressed
Nitroglycerin	Nitroglycerin	11	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	11	suppressed
Prednisolone Acetate	Prednisolone Acetate	11	suppressed
Risperdal Consta	Risperidone Microspheres	11	suppressed
Timolol Maleate	Timolol Maleate	11	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	11	suppressed
Valproic Acid	Valproic Acid (As Sodium Salt)	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