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
Verdon W Parham, M.D.
Family Practice · CHANUTE, KS · NPI 1437251964
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 |
|---|---|---|---|
| Alprazolam | Alprazolam | 255 | 40 |
| Pantoprazole Sodium | Pantoprazole Sodium | 238 | 44 |
| Oxycodone Hcl | Oxycodone Hcl | 193 | 23 |
| Atorvastatin Calcium | Atorvastatin Calcium | 185 | 39 |
| Omeprazole | Omeprazole | 180 | 36 |
| Lisinopril | Lisinopril | 165 | 40 |
| Potassium Chloride | Potassium Chloride | 160 | 39 |
| Levothyroxine Sodium | Levothyroxine Sodium | 153 | 31 |
| Furosemide | Furosemide | 148 | 35 |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 136 | 26 |
| Gabapentin | Gabapentin | 119 | 23 |
| Celecoxib | Celecoxib | 118 | 27 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 111 | 19 |
| Losartan Potassium | Losartan Potassium | 105 | 26 |
| Trazodone Hcl | Trazodone Hcl | 101 | 17 |
| Amlodipine Besylate | Amlodipine Besylate | 100 | 26 |
| Duloxetine Hcl | Duloxetine Hcl | 100 | 11 |
| Montelukast Sodium | Montelukast Sodium | 100 | 16 |
| Metformin Hcl | Metformin Hcl | 95 | 26 |
| Cyclobenzaprine Hcl | Cyclobenzaprine Hcl | 84 | 16 |
| Metoprolol Tartrate | Metoprolol Tartrate | 80 | 23 |
| Sertraline Hcl | Sertraline Hcl | 79 | 13 |
| Buspirone Hcl | Buspirone Hcl | 75 | suppressed |
| Citalopram Hbr | Citalopram Hydrobromide | 73 | suppressed |
| Pregabalin | Pregabalin | 73 | 16 |
| Quetiapine Fumarate | Quetiapine Fumarate | 73 | 11 |
| Hydrochlorothiazide | Hydrochlorothiazide | 72 | 22 |
| Hydroxyzine Hcl | Hydroxyzine Hcl | 72 | 14 |
| Tamsulosin Hcl | Tamsulosin Hcl | 64 | 13 |
| Prednisone | Prednisone | 63 | 28 |
| Tramadol Hcl | Tramadol Hcl | 61 | suppressed |
| Oxycodone-Acetaminophen | Oxycodone Hcl/Acetaminophen | 59 | suppressed |
| Zolpidem Tartrate | Zolpidem Tartrate | 58 | suppressed |
| Fentanyl | Fentanyl | 51 | suppressed |
| Morphine Sulfate Er | Morphine Sulfate | 49 | suppressed |
| Amitriptyline Hcl | Amitriptyline Hcl | 47 | suppressed |
| Carvedilol | Carvedilol | 47 | 11 |
| Simvastatin | Simvastatin | 46 | 12 |
| Sucralfate | Sucralfate | 46 | suppressed |
| Warfarin Sodium | Warfarin Sodium | 44 | suppressed |
| Clopidogrel | Clopidogrel Bisulfate | 43 | suppressed |
| Mirtazapine | Mirtazapine | 43 | suppressed |
| Linzess | Linaclotide | 42 | suppressed |
| Pravastatin Sodium | Pravastatin Sodium | 42 | 11 |
| Tizanidine Hcl | Tizanidine Hcl | 41 | suppressed |
| Fluticasone Propionate | Fluticasone Propionate | 39 | 12 |
| Meloxicam | Meloxicam | 39 | 13 |
| Eliquis | Apixaban | 38 | suppressed |
| Venlafaxine Hcl Er | Venlafaxine Hcl | 38 | suppressed |
| Baclofen | Baclofen | 37 | suppressed |
| Metoprolol Succinate | Metoprolol Succinate | 37 | suppressed |
| Rosuvastatin Calcium | Rosuvastatin Calcium | 36 | suppressed |
| Ezetimibe | Ezetimibe | 35 | suppressed |
| Fluoxetine Hcl | Fluoxetine Hcl | 35 | suppressed |
| Ozempic | Semaglutide | 35 | suppressed |
| Diclofenac Sodium | Diclofenac Sodium | 34 | suppressed |
| Diltiazem 24hr Er (Cd) | Diltiazem Hcl | 34 | suppressed |
| Fenofibrate | Fenofibrate Nanocrystallized | 34 | suppressed |
| Mupirocin | Mupirocin | 34 | 12 |
| Tolterodine Tartrate Er | Tolterodine Tartrate | 34 | suppressed |
| Januvia | Sitagliptin Phosphate | 31 | suppressed |
| Methocarbamol | Methocarbamol | 31 | suppressed |
| Paroxetine Hcl | Paroxetine Hcl | 31 | suppressed |
| Lorazepam | Lorazepam | 30 | suppressed |
| Atenolol | Atenolol | 29 | suppressed |
| Clonidine Hcl | Clonidine Hcl | 28 | suppressed |
| Isosorbide Mononitrate Er | Isosorbide Mononitrate | 27 | suppressed |
| Propranolol Hcl | Propranolol Hcl | 27 | suppressed |
| Estradiol | Estradiol | 26 | suppressed |
| Naproxen | Naproxen | 26 | suppressed |
| Ondansetron Odt | Ondansetron | 26 | suppressed |
| Doxepin Hcl | Doxepin Hcl | 25 | suppressed |
| Glimepiride | Glimepiride | 25 | suppressed |
| Pramipexole Dihydrochloride | Pramipexole Di-Hcl | 25 | suppressed |
| Sulfamethoxazole-Trimethoprim | Sulfamethoxazole/Trimethoprim | 24 | 15 |
| Ziprasidone Hcl | Ziprasidone Hcl | 24 | suppressed |
| Dextroamphetamine-Amphetamine | Dextroamphetamine/Amphetamine | 21 | suppressed |
| Lovastatin | Lovastatin | 21 | suppressed |
| Trelegy Ellipta | Fluticasone/Umeclidin/Vilanter | 21 | suppressed |
| Hydromorphone Hcl | Hydromorphone Hcl | 20 | suppressed |
| Ibuprofen | Ibuprofen | 20 | suppressed |
| Allopurinol | Allopurinol | 19 | suppressed |
| Amoxicillin | Amoxicillin | 19 | 13 |
| Breo Ellipta | Fluticasone/Vilanterol | 19 | suppressed |
| Doxycycline Monohydrate | Doxycycline Monohydrate | 19 | 12 |
| Farxiga | Dapagliflozin Propanediol | 19 | suppressed |
| Levofloxacin | Levofloxacin | 19 | 15 |
| Metformin Hcl Er | Metformin Hcl | 19 | suppressed |
| Promethazine Hcl | Promethazine Hcl | 19 | suppressed |
| Xarelto | Rivaroxaban | 19 | suppressed |
| Donepezil Hcl | Donepezil Hcl | 18 | suppressed |
| Lisinopril-Hydrochlorothiazide | Lisinopril/Hydrochlorothiazide | 18 | suppressed |
| Ondansetron Hcl | Ondansetron Hcl | 18 | suppressed |
| Prazosin Hcl | Prazosin Hcl | 18 | suppressed |
| Ropinirole Hcl | Ropinirole Hcl | 18 | suppressed |
| Symbicort | Budesonide/Formoterol Fumarate | 18 | suppressed |
| Diltiazem Hcl | Diltiazem Hcl | 17 | suppressed |
| Jardiance | Empagliflozin | 17 | suppressed |
| Klor-Con M20 | Potassium Chloride | 17 | suppressed |
| Methadone Hcl | Methadone Hcl | 17 | suppressed |
| Nortriptyline Hcl | Nortriptyline Hcl | 16 | suppressed |
| Spironolactone | Spironolactone | 16 | suppressed |
| Fluconazole | Fluconazole | 15 | 12 |
| Topiramate | Topiramate | 15 | suppressed |
| Verapamil Er | Verapamil Hcl | 15 | suppressed |
| Hydrocortisone | Hydrocortisone | 14 | suppressed |
| Clonazepam | Clonazepam | 13 | suppressed |
| Creon | Lipase/Protease/Amylase | 13 | suppressed |
| Doxycycline Hyclate | Doxycycline Hyclate | 13 | suppressed |
| Escitalopram Oxalate | Escitalopram Oxalate | 13 | suppressed |
| Lantus Solostar | Insulin Glargine,hum.Rec.Anlog | 13 | suppressed |
| Memantine Hcl | Memantine Hcl | 13 | suppressed |
| Quetiapine Fumarate Er | Quetiapine Fumarate | 13 | suppressed |
| Triamcinolone Acetonide | Triamcinolone Acetonide | 13 | 12 |
| Ubrelvy | Ubrogepant | 13 | suppressed |
| Amantadine | Amantadine Hcl | 12 | suppressed |
| Belsomra | Suvorexant | 12 | suppressed |
| Clindamycin Phosphate | Clindamycin Phosphate | 12 | suppressed |
| Dicyclomine Hcl | Dicyclomine Hcl | 12 | suppressed |
| Enalapril Maleate | Enalapril Maleate | 12 | suppressed |
| Fluvoxamine Maleate | Fluvoxamine Maleate | 12 | suppressed |
| Gemfibrozil | Gemfibrozil | 12 | suppressed |
| Guanfacine Hcl Er | Guanfacine Hcl | 12 | suppressed |
| Labetalol Hcl | Labetalol Hcl | 12 | suppressed |
| Levemir Flexpen | Insulin Detemir | 12 | suppressed |
| Myrbetriq | Mirabegron | 12 | suppressed |
| Olanzapine | Olanzapine | 12 | suppressed |
| Oxycontin | Oxycodone Hcl | 12 | suppressed |
| Sulindac | Sulindac | 12 | suppressed |
| Timolol Maleate | Timolol Maleate | 12 | suppressed |
| Bevespi Aerosphere | Glycopyrrolate/Formoterol Fum | 11 | suppressed |
| Calcitriol | Calcitriol | 11 | suppressed |
| Carbamazepine Er | Carbamazepine | 11 | suppressed |
| Divalproex Sodium Er | Divalproex Sodium | 11 | suppressed |
| Esomeprazole Magnesium | Esomeprazole Magnesium | 11 | suppressed |
| Primidone | Primidone | 11 | suppressed |
| Spiriva Handihaler | Tiotropium Bromide | 11 | suppressed |
| Testosterone Cypionate | Testosterone Cypionate | 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