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 1235116369
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 |
|---|---|---|---|
| Amlodipine Besylate | Amlodipine Besylate | 887 | 191 |
| Levothyroxine Sodium | Levothyroxine Sodium | 627 | 142 |
| Atorvastatin Calcium | Atorvastatin Calcium | 576 | 160 |
| Simvastatin | Simvastatin | 480 | 109 |
| Omeprazole | Omeprazole | 448 | 102 |
| Furosemide | Furosemide | 428 | 108 |
| Lisinopril | Lisinopril | 371 | 101 |
| Metoprolol Succinate | Metoprolol Succinate | 363 | 88 |
| Pantoprazole Sodium | Pantoprazole Sodium | 360 | 83 |
| Rosuvastatin Calcium | Rosuvastatin Calcium | 334 | 77 |
| Losartan Potassium | Losartan Potassium | 299 | 78 |
| Potassium Chloride | Potassium Chloride | 291 | 71 |
| Gabapentin | Gabapentin | 266 | 61 |
| Metoprolol Tartrate | Metoprolol Tartrate | 258 | 58 |
| Warfarin Sodium | Warfarin Sodium | 245 | 43 |
| Escitalopram Oxalate | Escitalopram Oxalate | 223 | 46 |
| Hydrochlorothiazide | Hydrochlorothiazide | 211 | 61 |
| Metformin Hcl | Metformin Hcl | 180 | 54 |
| Duloxetine Hcl | Duloxetine Hcl | 164 | 36 |
| Alprazolam | Alprazolam | 158 | 30 |
| Pravastatin Sodium | Pravastatin Sodium | 152 | 35 |
| Eliquis | Apixaban | 143 | 28 |
| Clopidogrel | Clopidogrel Bisulfate | 140 | 34 |
| Alendronate Sodium | Alendronate Sodium | 134 | 37 |
| Trazodone Hcl | Trazodone Hcl | 130 | 33 |
| Fluticasone Propionate | Fluticasone Propionate | 128 | 35 |
| Tramadol Hcl | Tramadol Hcl | 121 | 40 |
| Allopurinol | Allopurinol | 118 | 28 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 110 | 37 |
| Ozempic | Semaglutide | 107 | 18 |
| Sertraline Hcl | Sertraline Hcl | 106 | 25 |
| Triamterene-Hydrochlorothiazid | Triamterene/Hydrochlorothiazid | 101 | 26 |
| Jardiance | Empagliflozin | 99 | 22 |
| Tamsulosin Hcl | Tamsulosin Hcl | 99 | 18 |
| Atenolol | Atenolol | 93 | 21 |
| Lantus Solostar | Insulin Glargine,hum.Rec.Anlog | 93 | 21 |
| Metformin Hcl Er | Metformin Hcl | 91 | 22 |
| Carvedilol | Carvedilol | 89 | 19 |
| Mirtazapine | Mirtazapine | 89 | 18 |
| Glimepiride | Glimepiride | 82 | 20 |
| Bupropion Xl | Bupropion Hcl | 81 | 21 |
| Buspirone Hcl | Buspirone Hcl | 79 | 13 |
| Diltiazem 24hr Er (Cd) | Diltiazem Hcl | 77 | 17 |
| Xarelto | Rivaroxaban | 71 | 12 |
| Lorazepam | Lorazepam | 67 | 14 |
| Cyclobenzaprine Hcl | Cyclobenzaprine Hcl | 64 | 17 |
| Januvia | Sitagliptin Phosphate | 62 | suppressed |
| Glipizide Er | Glipizide | 61 | 13 |
| Solifenacin Succinate | Solifenacin Succinate | 60 | 15 |
| Montelukast Sodium | Montelukast Sodium | 57 | 16 |
| Donepezil Hcl | Donepezil Hcl | 56 | 14 |
| Ezetimibe | Ezetimibe | 56 | 15 |
| Myrbetriq | Mirabegron | 55 | suppressed |
| Oxybutynin Chloride Er | Oxybutynin Chloride | 55 | 11 |
| Mounjaro | Tirzepatide | 54 | suppressed |
| Citalopram Hbr | Citalopram Hydrobromide | 53 | 16 |
| Spironolactone | Spironolactone | 53 | 14 |
| Famotidine | Famotidine | 48 | suppressed |
| Baclofen | Baclofen | 47 | suppressed |
| Memantine Hcl | Memantine Hcl | 47 | suppressed |
| Paroxetine Hcl | Paroxetine Hcl | 47 | suppressed |
| Rybelsus | Semaglutide | 47 | 11 |
| Fluticasone-Salmeterol | Fluticasone Propion/Salmeterol | 46 | suppressed |
| Torsemide | Torsemide | 45 | suppressed |
| Clonazepam | Clonazepam | 43 | 13 |
| Lisinopril-Hydrochlorothiazide | Lisinopril/Hydrochlorothiazide | 43 | suppressed |
| Propranolol Hcl | Propranolol Hcl | 43 | suppressed |
| Hydralazine Hcl | Hydralazine Hcl | 42 | suppressed |
| Irbesartan | Irbesartan | 37 | 11 |
| Isosorbide Mononitrate Er | Isosorbide Mononitrate | 37 | 12 |
| Nabumetone | Nabumetone | 37 | suppressed |
| Farxiga | Dapagliflozin Propanediol | 36 | suppressed |
| Lovastatin | Lovastatin | 36 | 11 |
| Trulicity | Dulaglutide | 35 | suppressed |
| Klor-Con M20 | Potassium Chloride | 34 | suppressed |
| Meloxicam | Meloxicam | 34 | suppressed |
| Valacyclovir | Valacyclovir Hcl | 34 | suppressed |
| Ropinirole Hcl | Ropinirole Hcl | 32 | suppressed |
| Triamcinolone Acetonide | Triamcinolone Acetonide | 32 | 18 |
| Nitrofurantoin Mono-Macro | Nitrofurantoin Monohyd/M-Cryst | 31 | 25 |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 28 | 14 |
| Losartan-Hydrochlorothiazide | Losartan/Hydrochlorothiazide | 28 | suppressed |
| Topiramate | Topiramate | 28 | suppressed |
| Lactulose | Lactulose | 27 | suppressed |
| Nifedipine Er | Nifedipine | 27 | suppressed |
| Zolpidem Tartrate | Zolpidem Tartrate | 27 | suppressed |
| Celecoxib | Celecoxib | 25 | suppressed |
| Ursodiol | Ursodiol | 25 | suppressed |
| Dicyclomine Hcl | Dicyclomine Hcl | 24 | suppressed |
| Fenofibrate | Fenofibrate | 24 | suppressed |
| Prednisone | Prednisone | 24 | 17 |
| Venlafaxine Hcl Er | Venlafaxine Hcl | 22 | suppressed |
| Diclofenac Sodium | Diclofenac Sodium | 21 | suppressed |
| Oxybutynin Chloride | Oxybutynin Chloride | 21 | suppressed |
| Eszopiclone | Eszopiclone | 20 | suppressed |
| Fluoxetine Hcl | Fluoxetine Hcl | 20 | suppressed |
| Quetiapine Fumarate | Quetiapine Fumarate | 20 | suppressed |
| Diltiazem 24hr Er | Diltiazem Hcl | 19 | suppressed |
| Doxepin Hcl | Doxepin Hcl | 19 | suppressed |
| Finasteride | Finasteride | 19 | suppressed |
| Ultra-Fine Short Pen Needle | Pen Needle, Diabetic | 19 | suppressed |
| Estradiol | Estradiol | 18 | suppressed |
| Jantoven | Warfarin Sodium | 18 | suppressed |
| Naproxen | Naproxen | 18 | suppressed |
| Raloxifene Hcl | Raloxifene Hcl | 18 | suppressed |
| Ramelteon | Ramelteon | 18 | suppressed |
| Sucralfate | Sucralfate | 18 | suppressed |
| Humalog Kwikpen U-100 | Insulin Lispro | 17 | suppressed |
| Olmesartan Medoxomil | Olmesartan Medoxomil | 17 | suppressed |
| Tizanidine Hcl | Tizanidine Hcl | 17 | suppressed |
| Amoxicillin | Amoxicillin | 16 | suppressed |
| Chlorthalidone | Chlorthalidone | 16 | suppressed |
| Primidone | Primidone | 16 | suppressed |
| Terazosin Hcl | Terazosin Hcl | 16 | suppressed |
| Amiodarone Hcl | Amiodarone Hcl | 15 | suppressed |
| Benazepril Hcl | Benazepril Hcl | 15 | suppressed |
| Colchicine | Colchicine | 15 | suppressed |
| Phenobarbital | Phenobarbital | 15 | suppressed |
| Pregabalin | Pregabalin | 15 | suppressed |
| Temazepam | Temazepam | 15 | suppressed |
| Flecainide Acetate | Flecainide Acetate | 14 | suppressed |
| Nano 2nd Gen Pen Needle | Pen Needle, Diabetic | 14 | suppressed |
| Nitroglycerin | Nitroglycerin | 14 | 13 |
| Novolog Flexpen | Insulin Aspart | 14 | suppressed |
| Sumatriptan Succinate | Sumatriptan Succinate | 14 | suppressed |
| Ultra-Fine Mini Pen Needle | Pen Needle, Diabetic | 14 | suppressed |
| Valsartan-Hydrochlorothiazide | Valsartan/Hydrochlorothiazide | 14 | suppressed |
| Wixela Inhub | Fluticasone Propion/Salmeterol | 14 | suppressed |
| Aripiprazole | Aripiprazole | 13 | suppressed |
| Azithromycin | Azithromycin | 13 | 12 |
| Basaglar Kwikpen U-100 | Insulin Glargine,hum.Rec.Anlog | 13 | suppressed |
| Bupropion Hcl Sr | Bupropion Hcl | 13 | suppressed |
| Cephalexin | Cephalexin | 13 | suppressed |
| Cholestyramine | Cholestyramine (With Sugar) | 13 | suppressed |
| Ketoconazole | Ketoconazole | 13 | suppressed |
| Levocetirizine Dihydrochloride | Levocetirizine Dihydrochloride | 13 | suppressed |
| Ondansetron Hcl | Ondansetron Hcl | 13 | suppressed |
| Pilocarpine Hcl | Pilocarpine Hcl | 13 | suppressed |
| Zolpidem Tartrate Er | Zolpidem Tartrate | 13 | suppressed |
| Acyclovir | Acyclovir | 12 | suppressed |
| Cimetidine | Cimetidine | 12 | suppressed |
| Oxycodone-Acetaminophen | Oxycodone Hcl/Acetaminophen | 12 | suppressed |
| Testosterone | Testosterone | 12 | suppressed |
| Acetazolamide | Acetazolamide | 11 | suppressed |
| Combivent Respimat | Ipratropium/Albuterol Sulfate | 11 | suppressed |
| Fludrocortisone Acetate | Fludrocortisone Acetate | 11 | suppressed |
| Fluocinonide | Fluocinonide | 11 | suppressed |
| Ibuprofen | Ibuprofen | 11 | suppressed |
| Lansoprazole | Lansoprazole | 11 | suppressed |
| Mometasone Furoate | Mometasone Furoate | 11 | suppressed |
| Ondansetron Odt | Ondansetron | 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