Payment overview · 2025
General Payments
$47.37
2 reported records · 2 companies
Healthcare provider profile · identity verified
Shaparak Kamarei, MD
Allopathic & Osteopathic Physicians|Internal Medicine · IRVINE, CA · NPI 1952409021
Verified facts
What the public records show
CMS Open Payments records show Shaparak Kamarei, MD received $47.37 in general payments during 2025 across 2 reported records.
Exact Sciences Corporation accounted for 53.2% of that reported general-payment amount.
The Open Payments records used for this analysis explicitly named 2 associated products.
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.
Who paid this doctor?
Companies in 2025 General Payments
| Reported company | Canonical company | Amount | Share | Records | Year |
|---|---|---|---|---|---|
| Exact Sciences Corporation | Unresolved — no canonical attribution shown | $25.20 | 53.2% | 1 | 2025 |
| Intercept Pharmaceuticals, Inc. | Unresolved — no canonical attribution shown | $22.17 | 46.8% | 1 | 2025 |
What were the payments for?
Payment categories
| Category | Amount | Records |
|---|---|---|
| Food and Beverage | $47.37 | 2 |
A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.
Analysis 1 · Payment-linked products
Products named in Open Payments records
| Reported product | Type | Reported company | Related amount* | Records | Year |
|---|---|---|---|---|---|
| Cologuard Collection Kit Normalized: cologuard collection kit |
Device | Exact Sciences Corporation | $25.20 | 1 | 2025 |
Source payment records
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| OCALIVA Normalized: ocaliva |
Drug | Intercept Pharmaceuticals, Inc. | $22.17 | 1 | 2025 |
Source payment records
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* Product-associated amounts are non-additive because one payment record may name more than one product.
These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.
Public prescribing for products named in payments
No exact normalized or approved-alias overlap was found in the loaded Part D year. This does not mean the doctor never prescribed the product.
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.
No publishable same-company prescribing overlap was found in the loaded Part D year. This does not mean the doctor never prescribed a drug reported elsewhere by a paying company.
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 | 525 | 135 |
| Rosuvastatin Calcium | Rosuvastatin Calcium | 439 | 131 |
| Amlodipine Besylate | Amlodipine Besylate | 422 | 118 |
| Levothyroxine Sodium | Levothyroxine Sodium | 322 | 85 |
| Irbesartan | Irbesartan | 288 | 85 |
| Losartan Potassium | Losartan Potassium | 191 | 52 |
| Omeprazole | Omeprazole | 189 | 65 |
| Alendronate Sodium | Alendronate Sodium | 175 | 56 |
| Metoprolol Succinate | Metoprolol Succinate | 173 | 49 |
| Metformin Hcl | Metformin Hcl | 145 | 35 |
| Gabapentin | Gabapentin | 144 | 34 |
| Lisinopril | Lisinopril | 129 | 40 |
| Metoprolol Tartrate | Metoprolol Tartrate | 124 | 30 |
| Pantoprazole Sodium | Pantoprazole Sodium | 115 | 38 |
| Valsartan | Valsartan | 109 | 38 |
| Hydrochlorothiazide | Hydrochlorothiazide | 108 | 30 |
| Chlorthalidone | Chlorthalidone | 107 | 28 |
| Atenolol | Atenolol | 103 | 17 |
| Metformin Hcl Er | Metformin Hcl | 95 | 26 |
| Duloxetine Hcl | Duloxetine Hcl | 93 | 24 |
| Lorazepam | Lorazepam | 93 | 33 |
| Famotidine | Famotidine | 92 | 25 |
| Alprazolam | Alprazolam | 87 | 21 |
| Zolpidem Tartrate | Zolpidem Tartrate | 84 | 17 |
| Furosemide | Furosemide | 81 | 20 |
| Eliquis | Apixaban | 76 | 17 |
| Potassium Chloride | Potassium Chloride | 76 | 14 |
| Sertraline Hcl | Sertraline Hcl | 76 | 23 |
| Tamsulosin Hcl | Tamsulosin Hcl | 76 | 18 |
| Aripiprazole | Aripiprazole | 75 | 16 |
| Synthroid | Levothyroxine Sodium | 63 | 21 |
| Diltiazem 24hr Er (Cd) | Diltiazem Hcl | 61 | 24 |
| Escitalopram Oxalate | Escitalopram Oxalate | 61 | 19 |
| Bupropion Xl | Bupropion Hcl | 59 | 11 |
| Divalproex Sodium | Divalproex Sodium | 59 | 19 |
| Simvastatin | Simvastatin | 59 | 18 |
| Clopidogrel | Clopidogrel Bisulfate | 56 | 17 |
| Allopurinol | Allopurinol | 55 | 14 |
| Fluoxetine Hcl | Fluoxetine Hcl | 55 | 15 |
| Oxybutynin Chloride | Oxybutynin Chloride | 55 | 18 |
| Meloxicam | Meloxicam | 54 | 29 |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 52 | suppressed |
| Trazodone Hcl | Trazodone Hcl | 48 | 18 |
| Carvedilol | Carvedilol | 44 | 16 |
| Mirtazapine | Mirtazapine | 44 | suppressed |
| Clotrimazole-Betamethasone | Clotrimazole/Betamethasone Dip | 43 | 20 |
| Memantine Hcl | Memantine Hcl | 41 | 11 |
| Citalopram Hbr | Citalopram Hydrobromide | 39 | suppressed |
| Doxazosin Mesylate | Doxazosin Mesylate | 38 | suppressed |
| Xarelto | Rivaroxaban | 38 | 12 |
| Fluticasone Propionate | Fluticasone Propionate | 37 | 19 |
| Venlafaxine Hcl Er | Venlafaxine Hcl | 37 | suppressed |
| Valacyclovir | Valacyclovir Hcl | 36 | 18 |
| Januvia | Sitagliptin Phosphate | 35 | suppressed |
| Benazepril Hcl | Benazepril Hcl | 34 | suppressed |
| Prednisone | Prednisone | 34 | 27 |
| Clonazepam | Clonazepam | 33 | suppressed |
| Pravastatin Sodium | Pravastatin Sodium | 33 | suppressed |
| Tramadol Hcl | Tramadol Hcl | 33 | 13 |
| Quetiapine Fumarate | Quetiapine Fumarate | 31 | suppressed |
| Digoxin | Digoxin | 29 | suppressed |
| Olanzapine | Olanzapine | 29 | 11 |
| Sumatriptan Succinate | Sumatriptan Succinate | 28 | suppressed |
| Amitriptyline Hcl | Amitriptyline Hcl | 27 | suppressed |
| Clobetasol Propionate | Clobetasol Propionate | 27 | 18 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 26 | 12 |
| Hydralazine Hcl | Hydralazine Hcl | 26 | suppressed |
| Azithromycin | Azithromycin | 25 | 23 |
| Estradiol | Estradiol | 25 | suppressed |
| Glipizide | Glipizide | 25 | suppressed |
| Myrbetriq | Mirabegron | 25 | suppressed |
| Bupropion Hcl | Bupropion Hcl | 23 | suppressed |
| Diclofenac Sodium | Diclofenac Sodium | 23 | suppressed |
| Temazepam | Temazepam | 22 | suppressed |
| Farxiga | Dapagliflozin Propanediol | 21 | suppressed |
| Jardiance | Empagliflozin | 21 | suppressed |
| Pregabalin | Pregabalin | 21 | suppressed |
| Topiramate | Topiramate | 21 | suppressed |
| Finasteride | Finasteride | 20 | suppressed |
| Ibuprofen | Ibuprofen | 20 | suppressed |
| Nitrofurantoin Mono-Macro | Nitrofurantoin Monohyd/M-Cryst | 20 | 17 |
| Oxycodone-Acetaminophen | Oxycodone Hcl/Acetaminophen | 20 | suppressed |
| Desvenlafaxine Succinate Er | Desvenlafaxine Succinate | 19 | suppressed |
| Paroxetine Hcl | Paroxetine Hcl | 19 | suppressed |
| Fosfomycin Tromethamine | Fosfomycin Tromethamine | 18 | suppressed |
| Gemtesa | Vibegron | 18 | suppressed |
| Lisinopril-Hydrochlorothiazide | Lisinopril/Hydrochlorothiazide | 18 | suppressed |
| Pramipexole Dihydrochloride | Pramipexole Di-Hcl | 18 | suppressed |
| Isosorbide Dinitrate | Isosorbide Dinitrate | 17 | suppressed |
| Torsemide | Torsemide | 17 | suppressed |
| Triamcinolone Acetonide | Triamcinolone Acetonide | 17 | 11 |
| Triamterene-Hydrochlorothiazid | Triamterene/Hydrochlorothiazid | 17 | suppressed |
| Diltiazem 24hr Er | Diltiazem Hcl | 16 | suppressed |
| Levetiracetam | Levetiracetam | 16 | suppressed |
| Lithium Carbonate | Lithium Carbonate | 16 | suppressed |
| Entresto | Sacubitril/Valsartan | 15 | suppressed |
| Ezetimibe | Ezetimibe | 15 | suppressed |
| Fluticasone-Salmeterol | Fluticasone Propion/Salmeterol | 15 | suppressed |
| Propranolol Hcl | Propranolol Hcl | 15 | suppressed |
| Lansoprazole | Lansoprazole | 14 | suppressed |
| Ozempic | Semaglutide | 14 | suppressed |
| Pioglitazone Hcl | Pioglitazone Hcl | 14 | suppressed |
| Spironolactone | Spironolactone | 14 | suppressed |
| Ventolin Hfa | Albuterol Sulfate | 14 | suppressed |
| Vitamin D2 | Ergocalciferol (Vitamin D2) | 14 | suppressed |
| Acyclovir | Acyclovir | 13 | suppressed |
| Atomoxetine Hcl | Atomoxetine Hcl | 13 | suppressed |
| Cefuroxime | Cefuroxime Axetil | 13 | suppressed |
| Losartan-Hydrochlorothiazide | Losartan/Hydrochlorothiazide | 13 | suppressed |
| Montelukast Sodium | Montelukast Sodium | 13 | suppressed |
| Sulfamethoxazole-Trimethoprim | Sulfamethoxazole/Trimethoprim | 13 | 13 |
| Triamterene | Triamterene | 13 | suppressed |
| Wixela Inhub | Fluticasone Propion/Salmeterol | 13 | suppressed |
| Glatopa | Glatiramer Acetate | 12 | suppressed |
| Ondansetron Odt | Ondansetron | 12 | suppressed |
| Repatha Sureclick | Evolocumab | 12 | suppressed |
| Valsartan-Hydrochlorothiazide | Valsartan/Hydrochlorothiazide | 12 | suppressed |
| Buspirone Hcl | Buspirone Hcl | 11 | suppressed |
| Esomeprazole Magnesium | Esomeprazole Magnesium | 11 | suppressed |
| Mupirocin | Mupirocin | 11 | suppressed |
| Risperidone | Risperidone | 11 | suppressed |
| Terazosin Hcl | Terazosin 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 | $47.37 · 2 records | Exact Sciences Corporation | Cologuard Collection Kit, OCALIVA | — | — |
| 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