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
David W Carlson, M.D.
Family Practice · WEST BURLINGTON, IA · NPI 1033285945
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.
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 | 913 | 241 |
| Omeprazole | Omeprazole | 482 | 123 |
| Levothyroxine Sodium | Levothyroxine Sodium | 461 | 110 |
| Amlodipine Besylate | Amlodipine Besylate | 393 | 89 |
| Simvastatin | Simvastatin | 307 | 80 |
| Lisinopril | Lisinopril | 254 | 64 |
| Metformin Hcl Er | Metformin Hcl | 251 | 67 |
| Metoprolol Tartrate | Metoprolol Tartrate | 237 | 65 |
| Hydrochlorothiazide | Hydrochlorothiazide | 221 | 64 |
| Escitalopram Oxalate | Escitalopram Oxalate | 193 | 52 |
| Eliquis | Apixaban | 186 | 35 |
| Losartan Potassium | Losartan Potassium | 168 | 51 |
| Tamsulosin Hcl | Tamsulosin Hcl | 166 | 45 |
| Metoprolol Succinate | Metoprolol Succinate | 164 | 47 |
| Alendronate Sodium | Alendronate Sodium | 161 | 47 |
| Sertraline Hcl | Sertraline Hcl | 157 | 32 |
| Pantoprazole Sodium | Pantoprazole Sodium | 143 | 37 |
| Famotidine | Famotidine | 137 | 42 |
| Alprazolam | Alprazolam | 132 | 37 |
| Gabapentin | Gabapentin | 130 | 35 |
| Benazepril Hcl | Benazepril Hcl | 127 | 33 |
| Tramadol Hcl | Tramadol Hcl | 115 | 39 |
| Pravastatin Sodium | Pravastatin Sodium | 112 | 29 |
| Metformin Hcl | Metformin Hcl | 105 | 29 |
| Furosemide | Furosemide | 104 | 35 |
| Potassium Chloride | Potassium Chloride | 103 | 33 |
| Ezetimibe | Ezetimibe | 100 | 31 |
| Pioglitazone Hcl | Pioglitazone Hcl | 99 | 26 |
| Citalopram Hbr | Citalopram Hydrobromide | 92 | 26 |
| Lantus Solostar | Insulin Glargine,hum.Rec.Anlog | 92 | 20 |
| Rosuvastatin Calcium | Rosuvastatin Calcium | 89 | 26 |
| Trazodone Hcl | Trazodone Hcl | 89 | 28 |
| Allopurinol | Allopurinol | 87 | 25 |
| Montelukast Sodium | Montelukast Sodium | 86 | 21 |
| Clonazepam | Clonazepam | 85 | 21 |
| Atenolol | Atenolol | 83 | 22 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 79 | 41 |
| Clopidogrel | Clopidogrel Bisulfate | 79 | 23 |
| Prednisone | Prednisone | 77 | 67 |
| Donepezil Hcl | Donepezil Hcl | 72 | 14 |
| Duloxetine Hcl | Duloxetine Hcl | 68 | 16 |
| Carvedilol | Carvedilol | 66 | 23 |
| Glimepiride | Glimepiride | 65 | 13 |
| Fluoxetine Hcl | Fluoxetine Hcl | 52 | 12 |
| Lisinopril-Hydrochlorothiazide | Lisinopril/Hydrochlorothiazide | 51 | 13 |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 49 | 22 |
| Venlafaxine Hcl Er | Venlafaxine Hcl | 49 | 11 |
| Fluticasone Propionate | Fluticasone Propionate | 48 | 22 |
| Triamterene-Hydrochlorothiazid | Triamterene/Hydrochlorothiazid | 48 | 14 |
| Xarelto | Rivaroxaban | 46 | suppressed |
| Lorazepam | Lorazepam | 45 | suppressed |
| Warfarin Sodium | Warfarin Sodium | 45 | 16 |
| Jardiance | Empagliflozin | 44 | 12 |
| Humalog Kwikpen U-100 | Insulin Lispro | 43 | suppressed |
| Indapamide | Indapamide | 41 | suppressed |
| Zolpidem Tartrate | Zolpidem Tartrate | 39 | 15 |
| Diltiazem 24hr Er (Cd) | Diltiazem Hcl | 38 | 12 |
| Irbesartan | Irbesartan | 37 | suppressed |
| Amitriptyline Hcl | Amitriptyline Hcl | 35 | 11 |
| Memantine Hcl | Memantine Hcl | 35 | suppressed |
| Benazepril-Hydrochlorothiazide | Benazepril/Hydrochlorothiazide | 34 | suppressed |
| Cyclobenzaprine Hcl | Cyclobenzaprine Hcl | 34 | suppressed |
| Meloxicam | Meloxicam | 33 | suppressed |
| Mirtazapine | Mirtazapine | 32 | suppressed |
| Pregabalin | Pregabalin | 32 | suppressed |
| Symbicort | Budesonide/Formoterol Fumarate | 31 | suppressed |
| Celecoxib | Celecoxib | 30 | 11 |
| Ozempic | Semaglutide | 30 | suppressed |
| Cephalexin | Cephalexin | 29 | 25 |
| Nano 2nd Gen Pen Needle | Pen Needle, Diabetic | 29 | suppressed |
| Finasteride | Finasteride | 28 | suppressed |
| Doxazosin Mesylate | Doxazosin Mesylate | 27 | suppressed |
| Doxycycline Monohydrate | Doxycycline Monohydrate | 27 | 23 |
| Propranolol Hcl | Propranolol Hcl | 27 | suppressed |
| Baclofen | Baclofen | 26 | suppressed |
| Budesonide-Formoterol Fumarate | Budesonide/Formoterol Fumarate | 26 | suppressed |
| Ondansetron Hcl | Ondansetron Hcl | 26 | suppressed |
| Propafenone Hcl | Propafenone Hcl | 26 | suppressed |
| Risperidone | Risperidone | 25 | suppressed |
| Spironolactone | Spironolactone | 25 | suppressed |
| Sucralfate | Sucralfate | 25 | suppressed |
| Imipramine Hcl | Imipramine Hcl | 24 | suppressed |
| Oxybutynin Chloride Er | Oxybutynin Chloride | 24 | suppressed |
| Ultra-Fine Mini Pen Needle | Pen Needle, Diabetic | 24 | suppressed |
| Amoxicillin-Clavulanate Potass | Amoxicillin/Potassium Clav | 23 | 20 |
| Dulera | Mometasone/Formoterol | 23 | suppressed |
| Oxybutynin Chloride | Oxybutynin Chloride | 23 | suppressed |
| Digoxin | Digoxin | 22 | suppressed |
| Isosorbide Mononitrate Er | Isosorbide Mononitrate | 22 | suppressed |
| Lansoprazole | Lansoprazole | 21 | suppressed |
| Trulicity | Dulaglutide | 21 | suppressed |
| Azithromycin | Azithromycin | 20 | 17 |
| Buspirone Hcl | Buspirone Hcl | 20 | suppressed |
| Chlorthalidone | Chlorthalidone | 20 | suppressed |
| Enalapril Maleate | Enalapril Maleate | 20 | suppressed |
| Glipizide | Glipizide | 20 | suppressed |
| Ketoconazole | Ketoconazole | 20 | suppressed |
| Mupirocin | Mupirocin | 20 | 15 |
| Ropinirole Hcl | Ropinirole Hcl | 20 | suppressed |
| Anoro Ellipta | Umeclidinium Brm/Vilanterol Tr | 19 | suppressed |
| Bupropion Xl | Bupropion Hcl | 19 | suppressed |
| Combivent Respimat | Ipratropium/Albuterol Sulfate | 19 | suppressed |
| Fenofibrate | Fenofibrate Nanocrystallized | 19 | suppressed |
| Hydroxyzine Hcl | Hydroxyzine Hcl | 19 | suppressed |
| Triamcinolone Acetonide | Triamcinolone Acetonide | 19 | 15 |
| Acyclovir | Acyclovir | 18 | suppressed |
| Synthroid | Levothyroxine Sodium | 18 | suppressed |
| Colestipol Hcl | Colestipol Hcl | 17 | suppressed |
| Bupropion Hcl Sr | Bupropion Hcl | 16 | suppressed |
| Carbamazepine Er | Carbamazepine | 16 | suppressed |
| Spiriva Respimat | Tiotropium Bromide | 16 | suppressed |
| Sure Comfort Pen Needle | Pen Needle, Diabetic | 16 | suppressed |
| Tizanidine Hcl | Tizanidine Hcl | 16 | suppressed |
| Basaglar Kwikpen U-100 | Insulin Glargine,hum.Rec.Anlog | 15 | suppressed |
| Oxycodone-Acetaminophen | Oxycodone Hcl/Acetaminophen | 15 | suppressed |
| Paxlovid | Nirmatrelvir/Ritonavir | 15 | 15 |
| Pramipexole Dihydrochloride | Pramipexole Di-Hcl | 15 | suppressed |
| Sotalol | Sotalol Hcl | 15 | suppressed |
| Budesonide | Budesonide | 14 | suppressed |
| Nitroglycerin | Nitroglycerin | 14 | 11 |
| Propranolol Hcl Er | Propranolol Hcl | 14 | suppressed |
| Sulindac | Sulindac | 14 | suppressed |
| Bisoprolol-Hydrochlorothiazide | Bisoprolol/Hydrochlorothiazide | 13 | suppressed |
| Clonidine Hcl | Clonidine Hcl | 13 | suppressed |
| Glipizide Er | Glipizide | 13 | suppressed |
| Losartan-Hydrochlorothiazide | Losartan/Hydrochlorothiazide | 13 | suppressed |
| Nortrel | Norethindrone-Ethin. Estradiol | 13 | suppressed |
| Paroxetine Hcl | Paroxetine Hcl | 13 | suppressed |
| Phenytoin Sodium Extended | Phenytoin Sodium Extended | 13 | suppressed |
| Terazosin Hcl | Terazosin Hcl | 13 | suppressed |
| Ventolin Hfa | Albuterol Sulfate | 13 | suppressed |
| Aripiprazole | Aripiprazole | 12 | suppressed |
| Carbidopa-Levodopa | Carbidopa/Levodopa | 12 | suppressed |
| Diclofenac Sodium | Diclofenac Sodium | 12 | suppressed |
| Lovastatin | Lovastatin | 12 | suppressed |
| Prenatal Vitamin Plus Low Iron | Pnv,calcium 72/Iron/Folic Acid | 12 | suppressed |
| Qvar Redihaler | Beclomethasone Dipropionate | 12 | suppressed |
| Estradiol | Estradiol | 11 | suppressed |
| Insulin Lispro Kwikpen U-100 | Insulin Lispro | 11 | suppressed |
| Metaxalone | Metaxalone | 11 | suppressed |
| Modafinil | Modafinil | 11 | suppressed |
| Nortriptyline Hcl | Nortriptyline Hcl | 11 | suppressed |
| Novolog | Insulin Aspart | 11 | suppressed |
| Novolog Flexpen | Insulin Aspart | 11 | suppressed |
| Timolol Maleate | Timolol Maleate | 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 |
Full methodology · Questions & answers · Report a possible error