Payment overview · 2025
General Payments
We did not find matching Open Payments records for this doctor in the selected program year.
Healthcare provider profile · identity verified
Internal Medicine · WATERLOO, IA · NPI 1932184249
Verified facts
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
We did not find matching Open Payments records for this doctor in the selected program year.
Separate record types
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
No payment-linked product analysis is available because no matching General Payment records were found for the selected year.
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
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
| Brand | Generic | Claims | Beneficiaries |
|---|---|---|---|
| Levothyroxine Sodium | Levothyroxine Sodium | 624 | 194 |
| Atorvastatin Calcium | Atorvastatin Calcium | 620 | 219 |
| Omeprazole | Omeprazole | 412 | 127 |
| Metformin Hcl | Metformin Hcl | 409 | 122 |
| Metoprolol Succinate | Metoprolol Succinate | 377 | 109 |
| Gabapentin | Gabapentin | 348 | 105 |
| Simvastatin | Simvastatin | 348 | 107 |
| Amlodipine Besylate | Amlodipine Besylate | 338 | 112 |
| Losartan Potassium | Losartan Potassium | 319 | 101 |
| Lisinopril | Lisinopril | 292 | 95 |
| Pantoprazole Sodium | Pantoprazole Sodium | 272 | 93 |
| Meloxicam | Meloxicam | 271 | 74 |
| Tramadol Hcl | Tramadol Hcl | 269 | 78 |
| Furosemide | Furosemide | 211 | 73 |
| Hydrochlorothiazide | Hydrochlorothiazide | 210 | 67 |
| Lovastatin | Lovastatin | 203 | 58 |
| Lisinopril-Hydrochlorothiazide | Lisinopril/Hydrochlorothiazide | 195 | 50 |
| Rosuvastatin Calcium | Rosuvastatin Calcium | 187 | 75 |
| Allopurinol | Allopurinol | 176 | 55 |
| Tamsulosin Hcl | Tamsulosin Hcl | 173 | 62 |
| Warfarin Sodium | Warfarin Sodium | 166 | 38 |
| Bupropion Xl | Bupropion Hcl | 154 | 37 |
| Metoprolol Tartrate | Metoprolol Tartrate | 151 | 40 |
| Mirtazapine | Mirtazapine | 151 | 49 |
| Trazodone Hcl | Trazodone Hcl | 142 | 39 |
| Atenolol | Atenolol | 140 | 42 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 138 | 60 |
| Escitalopram Oxalate | Escitalopram Oxalate | 136 | 47 |
| Sertraline Hcl | Sertraline Hcl | 134 | 47 |
| Clonazepam | Clonazepam | 132 | 53 |
| Clopidogrel | Clopidogrel Bisulfate | 132 | 44 |
| Eliquis | Apixaban | 130 | 42 |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 122 | 40 |
| Losartan-Hydrochlorothiazide | Losartan/Hydrochlorothiazide | 122 | 38 |
| Carvedilol | Carvedilol | 107 | 33 |
| Jardiance | Empagliflozin | 107 | 27 |
| Glimepiride | Glimepiride | 104 | 33 |
| Lantus Solostar | Insulin Glargine,hum.Rec.Anlog | 104 | 31 |
| Donepezil Hcl | Donepezil Hcl | 99 | 23 |
| Alendronate Sodium | Alendronate Sodium | 98 | 26 |
| Fluticasone Propionate | Fluticasone Propionate | 93 | 33 |
| Pravastatin Sodium | Pravastatin Sodium | 91 | 27 |
| Cyclobenzaprine Hcl | Cyclobenzaprine Hcl | 88 | 42 |
| Zolpidem Tartrate | Zolpidem Tartrate | 86 | 31 |
| Ozempic | Semaglutide | 84 | 22 |
| Diclofenac Sodium | Diclofenac Sodium | 79 | 32 |
| Pregabalin | Pregabalin | 77 | 18 |
| Duloxetine Hcl | Duloxetine Hcl | 76 | 27 |
| Glipizide | Glipizide | 71 | 20 |
| Prednisone | Prednisone | 71 | 60 |
| Montelukast Sodium | Montelukast Sodium | 70 | 22 |
| Fluoxetine Hcl | Fluoxetine Hcl | 66 | 18 |
| Potassium Chloride | Potassium Chloride | 66 | 28 |
| Oxybutynin Chloride Er | Oxybutynin Chloride | 65 | 17 |
| Betamethasone Dipropionate | Betamethasone Dipropionate | 59 | 29 |
| Metformin Hcl Er | Metformin Hcl | 59 | 29 |
| Alprazolam | Alprazolam | 58 | 22 |
| Famotidine | Famotidine | 54 | 13 |
| Spironolactone | Spironolactone | 54 | 21 |
| Citalopram Hbr | Citalopram Hydrobromide | 51 | 14 |
| Fluticasone-Salmeterol | Fluticasone Propion/Salmeterol | 50 | 14 |
| Topiramate | Topiramate | 50 | 14 |
| Trulicity | Dulaglutide | 50 | 11 |
| Paroxetine Hcl | Paroxetine Hcl | 48 | 12 |
| Lorazepam | Lorazepam | 46 | 19 |
| Baclofen | Baclofen | 45 | suppressed |
| Finasteride | Finasteride | 45 | 13 |
| Levocetirizine Dihydrochloride | Levocetirizine Dihydrochloride | 45 | 12 |
| Januvia | Sitagliptin Phosphate | 44 | suppressed |
| Memantine Hcl | Memantine Hcl | 44 | 12 |
| Ropinirole Hcl | Ropinirole Hcl | 44 | suppressed |
| Venlafaxine Hcl Er | Venlafaxine Hcl | 42 | 16 |
| Diltiazem 24hr Er (Cd) | Diltiazem Hcl | 41 | 14 |
| Tizanidine Hcl | Tizanidine Hcl | 40 | suppressed |
| Myrbetriq | Mirabegron | 39 | suppressed |
| Oxycodone-Acetaminophen | Oxycodone Hcl/Acetaminophen | 39 | suppressed |
| Ventolin Hfa | Albuterol Sulfate | 37 | suppressed |
| Breo Ellipta | Fluticasone/Vilanterol | 36 | suppressed |
| Isosorbide Mononitrate Er | Isosorbide Mononitrate | 36 | 11 |
| Repatha Sureclick | Evolocumab | 36 | suppressed |
| Sumatriptan Succinate | Sumatriptan Succinate | 36 | suppressed |
| Bumetanide | Bumetanide | 35 | 11 |
| Ibuprofen | Ibuprofen | 35 | suppressed |
| Basaglar Kwikpen U-100 | Insulin Glargine,hum.Rec.Anlog | 34 | suppressed |
| Amitriptyline Hcl | Amitriptyline Hcl | 33 | suppressed |
| Celecoxib | Celecoxib | 31 | suppressed |
| Hydralazine Hcl | Hydralazine Hcl | 31 | suppressed |
| Meclizine Hcl | Meclizine Hcl | 31 | 14 |
| Olanzapine | Olanzapine | 31 | suppressed |
| Buspirone Hcl | Buspirone Hcl | 30 | suppressed |
| Hydroxyzine Hcl | Hydroxyzine Hcl | 30 | suppressed |
| Mounjaro | Tirzepatide | 30 | suppressed |
| Nabumetone | Nabumetone | 30 | suppressed |
| Nitroglycerin | Nitroglycerin | 27 | 21 |
| Nano 2nd Gen Pen Needle | Pen Needle, Diabetic | 26 | suppressed |
| Nortriptyline Hcl | Nortriptyline Hcl | 26 | suppressed |
| Chlorthalidone | Chlorthalidone | 25 | suppressed |
| Methimazole | Methimazole | 25 | suppressed |
| Ezetimibe-Simvastatin | Ezetimibe/Simvastatin | 24 | suppressed |
| Methotrexate | Methotrexate Sodium | 24 | suppressed |
| Nitrofurantoin Mono-Macro | Nitrofurantoin Monohyd/M-Cryst | 24 | 16 |
| Xarelto | Rivaroxaban | 24 | suppressed |
| Klor-Con M20 | Potassium Chloride | 23 | suppressed |
| Aripiprazole | Aripiprazole | 22 | suppressed |
| Propranolol Hcl | Propranolol Hcl | 22 | suppressed |
| Synthroid | Levothyroxine Sodium | 22 | suppressed |
| Terazosin Hcl | Terazosin Hcl | 22 | suppressed |
| Torsemide | Torsemide | 22 | suppressed |
| Diclofenac Sodium-Misoprostol | Diclofenac Sodium/Misoprostol | 21 | suppressed |
| Glipizide Er | Glipizide | 21 | suppressed |
| Nystatin | Nystatin | 21 | 13 |
| Budesonide-Formoterol Fumarate | Budesonide/Formoterol Fumarate | 20 | suppressed |
| Cholestyramine | Cholestyramine (With Sugar) | 20 | suppressed |
| Fenofibrate | Fenofibrate Nanocrystallized | 20 | suppressed |
| Insulin Lispro Kwikpen U-100 | Insulin Lispro | 20 | suppressed |
| Quetiapine Fumarate | Quetiapine Fumarate | 20 | suppressed |
| Trelegy Ellipta | Fluticasone/Umeclidin/Vilanter | 20 | suppressed |
| Phenobarbital | Phenobarbital | 19 | suppressed |
| Sulfamethoxazole-Trimethoprim | Sulfamethoxazole/Trimethoprim | 19 | 16 |
| Triamcinolone Acetonide | Triamcinolone Acetonide | 19 | 11 |
| Valacyclovir | Valacyclovir Hcl | 19 | suppressed |
| Azelastine Hcl | Azelastine Hcl | 18 | suppressed |
| Ciprofloxacin Hcl | Ciprofloxacin Hcl | 18 | 16 |
| Irbesartan-Hydrochlorothiazide | Irbesartan/Hydrochlorothiazide | 18 | suppressed |
| Ondansetron Hcl | Ondansetron Hcl | 18 | suppressed |
| Rabeprazole Sodium | Rabeprazole Sodium | 18 | suppressed |
| Betamethasone Diprop Augmented | Betamethasone/Propylene Glyc | 17 | suppressed |
| Diazepam | Diazepam | 17 | suppressed |
| Fenofibrate | Fenofibrate | 17 | suppressed |
| Ibandronate Sodium | Ibandronate Sodium | 17 | suppressed |
| Irbesartan | Irbesartan | 17 | suppressed |
| Jantoven | Warfarin Sodium | 17 | suppressed |
| Acyclovir | Acyclovir | 16 | suppressed |
| Amoxicillin | Amoxicillin | 16 | 14 |
| Anoro Ellipta | Umeclidinium Brm/Vilanterol Tr | 16 | suppressed |
| Arthrotec 75 | Diclofenac Sodium/Misoprostol | 16 | suppressed |
| Doxycycline Hyclate | Doxycycline Hyclate | 16 | 14 |
| Ezetimibe | Ezetimibe | 16 | suppressed |
| Farxiga | Dapagliflozin Propanediol | 16 | suppressed |
| Levetiracetam | Levetiracetam | 16 | suppressed |
| Loperamide | Loperamide Hcl | 16 | suppressed |
| Toujeo Solostar | Insulin Glargine,hum.Rec.Anlog | 16 | suppressed |
| Ultra-Fine Mini Pen Needle | Pen Needle, Diabetic | 16 | suppressed |
| Ultra-Fine Short Pen Needle | Pen Needle, Diabetic | 16 | suppressed |
| Azithromycin | Azithromycin | 15 | 13 |
| Bupropion Hcl | Bupropion Hcl | 15 | suppressed |
| Levemir | Insulin Detemir | 15 | suppressed |
| Novolog Flexpen | Insulin Aspart | 15 | suppressed |
| Pramipexole Dihydrochloride | Pramipexole Di-Hcl | 15 | suppressed |
| Primidone | Primidone | 15 | suppressed |
| Pulmicort Flexhaler | Budesonide | 15 | suppressed |
| Temazepam | Temazepam | 15 | suppressed |
| Advair Diskus | Fluticasone Propion/Salmeterol | 14 | suppressed |
| Amiodarone Hcl | Amiodarone Hcl | 14 | suppressed |
| Atenolol-Chlorthalidone | Atenolol/Chlorthalidone | 14 | suppressed |
| Linzess | Linaclotide | 14 | suppressed |
| Midodrine Hcl | Midodrine Hcl | 14 | suppressed |
| Venlafaxine Hcl | Venlafaxine Hcl | 14 | suppressed |
| Wixela Inhub | Fluticasone Propion/Salmeterol | 14 | suppressed |
| Armodafinil | Armodafinil | 13 | suppressed |
| Carbidopa-Levodopa | Carbidopa/Levodopa | 13 | suppressed |
| Enalapril Maleate | Enalapril Maleate | 13 | suppressed |
| Humalog Kwikpen U-100 | Insulin Lispro | 13 | suppressed |
| Valsartan-Hydrochlorothiazide | Valsartan/Hydrochlorothiazide | 13 | suppressed |
| Dabigatran Etexilate | Dabigatran Etexilate Mesylate | 12 | suppressed |
| Divalproex Sodium | Divalproex Sodium | 12 | suppressed |
| Hydroxychloroquine Sulfate | Hydroxychloroquine Sulfate | 12 | suppressed |
| Insulin Syringe | Syringe And Needle,insulin,1ml | 12 | suppressed |
| Pentips Pen Needle | Pen Needle, Diabetic | 12 | suppressed |
| Triamterene-Hydrochlorothiazid | Triamterene/Hydrochlorothiazid | 12 | suppressed |
| Valsartan | Valsartan | 12 | 11 |
| Butalbital-Acetaminophen-Caffe | Butalb/Acetaminophen/Caffeine | 11 | suppressed |
| Glyburide | Glyburide | 11 | suppressed |
| Sotalol | Sotalol Hcl | 11 | suppressed |
Timeline
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
These are general questions generated from reviewed templates. They are not personalized medical advice.
Sources and limitations
| 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 |
Full methodology · Questions & answers · Report a possible error