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
Mark J Kopel, D.O.
Family Practice · HARTLAND, MI · NPI 1437264645
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 | 591 | 169 |
| Lisinopril | Lisinopril | 540 | 143 |
| Atenolol | Atenolol | 414 | 114 |
| Levothyroxine Sodium | Levothyroxine Sodium | 363 | 90 |
| Omeprazole | Omeprazole | 340 | 102 |
| Losartan Potassium | Losartan Potassium | 328 | 90 |
| Amlodipine Besylate | Amlodipine Besylate | 321 | 88 |
| Hydrochlorothiazide | Hydrochlorothiazide | 268 | 75 |
| Terazosin Hcl | Terazosin Hcl | 236 | 63 |
| Metoprolol Succinate | Metoprolol Succinate | 189 | 50 |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 140 | 31 |
| Famotidine | Famotidine | 134 | 36 |
| Furosemide | Furosemide | 134 | 42 |
| Prednisone | Prednisone | 129 | 84 |
| Diltiazem 24hr Er (Cd) | Diltiazem Hcl | 128 | 42 |
| Sertraline Hcl | Sertraline Hcl | 128 | 29 |
| Simvastatin | Simvastatin | 126 | 29 |
| Tamsulosin Hcl | Tamsulosin Hcl | 126 | 39 |
| Metformin Hcl Er | Metformin Hcl | 124 | 36 |
| Metoprolol Tartrate | Metoprolol Tartrate | 122 | 33 |
| Alprazolam | Alprazolam | 120 | 22 |
| Gabapentin | Gabapentin | 120 | 35 |
| Tramadol Hcl | Tramadol Hcl | 112 | 30 |
| Pantoprazole Sodium | Pantoprazole Sodium | 105 | 28 |
| Quetiapine Fumarate | Quetiapine Fumarate | 105 | 19 |
| Metformin Hcl | Metformin Hcl | 103 | 25 |
| Citalopram Hbr | Citalopram Hydrobromide | 96 | 28 |
| Clopidogrel | Clopidogrel Bisulfate | 95 | 27 |
| Finasteride | Finasteride | 94 | 26 |
| Meloxicam | Meloxicam | 94 | 34 |
| Trazodone Hcl | Trazodone Hcl | 93 | 27 |
| Glipizide Er | Glipizide | 90 | 24 |
| Lovastatin | Lovastatin | 90 | 23 |
| Eliquis | Apixaban | 78 | 26 |
| Allopurinol | Allopurinol | 74 | 21 |
| Donepezil Hcl | Donepezil Hcl | 69 | 16 |
| Ciprofloxacin Hcl | Ciprofloxacin Hcl | 67 | 53 |
| Montelukast Sodium | Montelukast Sodium | 61 | 21 |
| Potassium Chloride | Potassium Chloride | 60 | 14 |
| Rosuvastatin Calcium | Rosuvastatin Calcium | 58 | 19 |
| Fluoxetine Hcl | Fluoxetine Hcl | 54 | 16 |
| Naproxen | Naproxen | 54 | 21 |
| Lorazepam | Lorazepam | 53 | 12 |
| Ibuprofen | Ibuprofen | 51 | 33 |
| Jardiance | Empagliflozin | 51 | 15 |
| Pioglitazone Hcl | Pioglitazone Hcl | 51 | 17 |
| Oxybutynin Chloride | Oxybutynin Chloride | 49 | 14 |
| Xarelto | Rivaroxaban | 49 | 12 |
| Loperamide | Loperamide Hcl | 48 | 23 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 47 | 24 |
| Pravastatin Sodium | Pravastatin Sodium | 47 | 12 |
| Bupropion Xl | Bupropion Hcl | 46 | 14 |
| Fluticasone Propionate | Fluticasone Propionate | 45 | 17 |
| Venlafaxine Hcl Er | Venlafaxine Hcl | 45 | suppressed |
| Carbidopa-Levodopa | Carbidopa/Levodopa | 43 | 12 |
| Ezetimibe | Ezetimibe | 42 | 14 |
| Carvedilol | Carvedilol | 41 | 14 |
| Ozempic | Semaglutide | 38 | suppressed |
| Lantus Solostar | Insulin Glargine,hum.Rec.Anlog | 34 | suppressed |
| Acetaminophen-Codeine | Acetaminophen With Codeine | 32 | suppressed |
| Lisinopril-Hydrochlorothiazide | Lisinopril/Hydrochlorothiazide | 32 | suppressed |
| Escitalopram Oxalate | Escitalopram Oxalate | 31 | suppressed |
| Sulfamethoxazole-Trimethoprim | Sulfamethoxazole/Trimethoprim | 31 | 26 |
| Tizanidine Hcl | Tizanidine Hcl | 31 | 21 |
| Triamcinolone Acetonide | Triamcinolone Acetonide | 30 | 19 |
| Meclizine Hcl | Meclizine Hcl | 29 | suppressed |
| Baclofen | Baclofen | 28 | suppressed |
| Trelegy Ellipta | Fluticasone/Umeclidin/Vilanter | 28 | suppressed |
| Warfarin Sodium | Warfarin Sodium | 28 | suppressed |
| Hydralazine Hcl | Hydralazine Hcl | 27 | suppressed |
| Isosorbide Mononitrate Er | Isosorbide Mononitrate | 27 | suppressed |
| Levetiracetam | Levetiracetam | 27 | suppressed |
| Memantine Hcl | Memantine Hcl | 27 | suppressed |
| Risperidone | Risperidone | 27 | suppressed |
| Duloxetine Hcl | Duloxetine Hcl | 26 | suppressed |
| Olanzapine Odt | Olanzapine | 26 | suppressed |
| Celecoxib | Celecoxib | 24 | suppressed |
| Humulin 70-30 | Insulin Nph Hum/Reg Insulin Hm | 24 | suppressed |
| Olanzapine | Olanzapine | 24 | suppressed |
| Fenofibrate | Fenofibrate | 23 | suppressed |
| Glipizide | Glipizide | 23 | suppressed |
| Haloperidol | Haloperidol | 23 | suppressed |
| Paroxetine Hcl | Paroxetine Hcl | 23 | suppressed |
| Diazepam | Diazepam | 22 | suppressed |
| Januvia | Sitagliptin Phosphate | 22 | suppressed |
| Oxycodone-Acetaminophen | Oxycodone Hcl/Acetaminophen | 22 | suppressed |
| Trulicity | Dulaglutide | 21 | suppressed |
| Azithromycin | Azithromycin | 20 | 18 |
| Buspirone Hcl | Buspirone Hcl | 20 | suppressed |
| Mirabegron Er | Mirabegron | 20 | suppressed |
| Nystatin | Nystatin | 20 | 16 |
| Tolterodine Tartrate Er | Tolterodine Tartrate | 20 | suppressed |
| Bupropion Hcl Sr | Bupropion Hcl | 19 | suppressed |
| Esomeprazole Magnesium | Esomeprazole Magnesium | 19 | suppressed |
| Oxybutynin Chloride Er | Oxybutynin Chloride | 19 | suppressed |
| Qvar Redihaler | Beclomethasone Dipropionate | 19 | suppressed |
| Zolpidem Tartrate | Zolpidem Tartrate | 19 | suppressed |
| Paxlovid | Nirmatrelvir/Ritonavir | 18 | 18 |
| Pregabalin | Pregabalin | 18 | suppressed |
| Divalproex Sodium | Divalproex Sodium | 17 | suppressed |
| Raloxifene Hcl | Raloxifene Hcl | 17 | suppressed |
| Spironolactone | Spironolactone | 17 | suppressed |
| Valsartan | Valsartan | 17 | suppressed |
| Amantadine | Amantadine Hcl | 16 | suppressed |
| Amitriptyline Hcl | Amitriptyline Hcl | 16 | suppressed |
| Benazepril Hcl | Benazepril Hcl | 16 | suppressed |
| Mirtazapine | Mirtazapine | 16 | suppressed |
| Morphine Sulfate Er | Morphine Sulfate | 16 | suppressed |
| Nortriptyline Hcl | Nortriptyline Hcl | 16 | suppressed |
| Cholestyramine | Cholestyramine (With Sugar) | 15 | suppressed |
| Cyclobenzaprine Hcl | Cyclobenzaprine Hcl | 15 | suppressed |
| Glimepiride | Glimepiride | 15 | suppressed |
| Myrbetriq | Mirabegron | 15 | suppressed |
| Ramipril | Ramipril | 15 | suppressed |
| Fluticasone-Salmeterol | Fluticasone Propion/Salmeterol | 14 | suppressed |
| Losartan-Hydrochlorothiazide | Losartan/Hydrochlorothiazide | 14 | suppressed |
| Ondansetron Odt | Ondansetron | 14 | suppressed |
| Sumatriptan Succinate | Sumatriptan Succinate | 14 | suppressed |
| Breo Ellipta | Fluticasone/Vilanterol | 13 | suppressed |
| Gemfibrozil | Gemfibrozil | 13 | suppressed |
| Midodrine Hcl | Midodrine Hcl | 13 | suppressed |
| Torsemide | Torsemide | 13 | suppressed |
| Venlafaxine Hcl | Venlafaxine Hcl | 13 | suppressed |
| Aripiprazole | Aripiprazole | 12 | suppressed |
| Cephalexin | Cephalexin | 12 | 12 |
| Dextroamphetamine-Amphetamine | Dextroamphetamine/Amphetamine | 12 | suppressed |
| Doxazosin Mesylate | Doxazosin Mesylate | 12 | suppressed |
| Fenofibrate | Fenofibrate Nanocrystallized | 12 | suppressed |
| Fenofibrate | Fenofibrate,micronized | 12 | suppressed |
| Fluconazole | Fluconazole | 12 | suppressed |
| Fluphenazine Hcl | Fluphenazine Hcl | 12 | suppressed |
| Nadolol | Nadolol | 12 | suppressed |
| Niacin Er | Niacin | 12 | suppressed |
| Nifedipine Er | Nifedipine | 12 | suppressed |
| Primidone | Primidone | 12 | suppressed |
| Bumetanide | Bumetanide | 11 | suppressed |
| Clonazepam | Clonazepam | 11 | suppressed |
| Clonidine Hcl | Clonidine Hcl | 11 | suppressed |
| Doxycycline Hyclate | Doxycycline Hyclate | 11 | suppressed |
| Humalog Kwikpen U-100 | Insulin Lispro | 11 | suppressed |
| Ingrezza | Valbenazine Tosylate | 11 | suppressed |
| Lansoprazole | Lansoprazole | 11 | suppressed |
| Latanoprost | Latanoprost | 11 | suppressed |
| Novolog Flexpen | Insulin Aspart | 11 | suppressed |
| Verapamil Er | Verapamil Hcl | 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