Payment overview · 2025
General Payments
$102.64
5 reported records · 4 companies
Healthcare provider profile · identity verified
Christopher Joel Grainger, M.D.
Allopathic & Osteopathic Physicians|Family Medicine|Geriatric Medicine · OCALA, FL · NPI 1255398798
Verified facts
What the public records show
CMS Open Payments records show Christopher Joel Grainger, M.D. received $102.64 in general payments during 2025 across 5 reported records.
Exact Sciences Corporation accounted for 34.5% of that reported general-payment amount.
The Open Payments records used for this analysis explicitly named 3 associated products.
A separate comparison found the same explicitly named product in public Medicare Part D data: Farxiga.
AstraZeneca Pharmaceuticals LP reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported FARXIGA as an associated drug or biological on 106133 records involving 42906 distinct recipient NPIs. Public Medicare Part D data also shows 59 claims for Farxiga by this doctor in 2024.
Novo Nordisk Inc reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported Ozempic as an associated drug or biological on 261625 records involving 77793 distinct recipient NPIs. Public Medicare Part D data also shows 21 claims for Ozempic by this doctor in 2024.
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 | $35.43 | 34.5% | 2 | 2025 |
| Boston Scientific Corporation | Unresolved — no canonical attribution shown | $32.65 | 31.8% | 1 | 2025 |
| AstraZeneca Pharmaceuticals LP | Unresolved — no canonical attribution shown | $21.03 | 20.5% | 1 | 2025 |
| Novo Nordisk Inc | Unresolved — no canonical attribution shown | $13.53 | 13.2% | 1 | 2025 |
What were the payments for?
Payment categories
| Category | Amount | Records |
|---|---|---|
| Food and Beverage | $102.64 | 5 |
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 | $35.43 | 2 | 2025 |
Source payment records
|
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| WATCHMAN FLX Normalized: watchman flx |
Device | Boston Scientific Corporation | $32.65 | 1 | 2025 |
Source payment records
|
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| FARXIGA Normalized: farxiga |
Drug | AstraZeneca Pharmaceuticals LP | $21.03 | 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
| Open Payments product | Payment year | Part D brand | Part D year | Claims | Match method | Source |
|---|---|---|---|---|---|---|
| FARXIGA farxiga |
2025 | Farxiga | 2024 | 59 | exact normalized | Medicare Part D |
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.
| Paying company | Payment year | Drug reported by same entity | Open Payments evidence | Part D | Claims | Beneficiaries |
|---|---|---|---|---|---|---|
| AstraZeneca Pharmaceuticals LP Exact reporting entity; no affiliate inference |
2025 | FARXIGA open payments reported associated product |
CMS Open Payments — General Payments 106133 supporting records · 42906 recipient NPIs · example record 1206131362 |
Farxiga · 2024 Exact normalized brand match · 1 Part D row |
59 | 15 |
| Novo Nordisk Inc Exact reporting entity; no affiliate inference |
2025 | Ozempic open payments reported associated product |
CMS Open Payments — General Payments 261625 supporting records · 77793 recipient NPIs · example record 1188130076 |
Ozempic · 2024 Exact normalized brand match · 1 Part D row |
21 | suppressed by CMS |
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 | 680 | 206 |
| Lisinopril | Lisinopril | 518 | 146 |
| Amlodipine Besylate | Amlodipine Besylate | 410 | 122 |
| Metformin Hcl | Metformin Hcl | 399 | 110 |
| Omeprazole | Omeprazole | 310 | 99 |
| Levothyroxine Sodium | Levothyroxine Sodium | 307 | 86 |
| Losartan Potassium | Losartan Potassium | 262 | 82 |
| Simvastatin | Simvastatin | 239 | 69 |
| Metoprolol Tartrate | Metoprolol Tartrate | 235 | 78 |
| Gabapentin | Gabapentin | 199 | 66 |
| Tamsulosin Hcl | Tamsulosin Hcl | 183 | 58 |
| Furosemide | Furosemide | 180 | 69 |
| Pantoprazole Sodium | Pantoprazole Sodium | 173 | 46 |
| Hydrochlorothiazide | Hydrochlorothiazide | 172 | 48 |
| Rosuvastatin Calcium | Rosuvastatin Calcium | 171 | 50 |
| Pravastatin Sodium | Pravastatin Sodium | 150 | 41 |
| Alprazolam | Alprazolam | 132 | 35 |
| Potassium Chloride | Potassium Chloride | 126 | 37 |
| Azithromycin | Azithromycin | 124 | 93 |
| Glipizide | Glipizide | 124 | 35 |
| Prednisone | Prednisone | 123 | 81 |
| Clopidogrel | Clopidogrel Bisulfate | 122 | 39 |
| Metoprolol Succinate | Metoprolol Succinate | 111 | 35 |
| Trazodone Hcl | Trazodone Hcl | 108 | 31 |
| Glimepiride | Glimepiride | 107 | 32 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 102 | 43 |
| Eliquis | Apixaban | 96 | 23 |
| Escitalopram Oxalate | Escitalopram Oxalate | 93 | 30 |
| Citalopram Hbr | Citalopram Hydrobromide | 82 | 24 |
| Lisinopril-Hydrochlorothiazide | Lisinopril/Hydrochlorothiazide | 70 | 19 |
| Doxycycline Monohydrate | Doxycycline Monohydrate | 67 | 38 |
| Amoxicillin | Amoxicillin | 66 | 48 |
| Carvedilol | Carvedilol | 66 | 24 |
| Allopurinol | Allopurinol | 65 | 23 |
| Sulfamethoxazole-Trimethoprim | Sulfamethoxazole/Trimethoprim | 64 | 52 |
| Januvia | Sitagliptin Phosphate | 60 | 17 |
| Farxiga | Dapagliflozin Propanediol | 59 | 15 |
| Meloxicam | Meloxicam | 59 | 19 |
| Sertraline Hcl | Sertraline Hcl | 59 | 16 |
| Jardiance | Empagliflozin | 57 | 14 |
| Atenolol | Atenolol | 56 | 17 |
| Ezetimibe | Ezetimibe | 50 | 18 |
| Losartan-Hydrochlorothiazide | Losartan/Hydrochlorothiazide | 48 | 13 |
| Metformin Hcl Er | Metformin Hcl | 48 | 12 |
| Lorazepam | Lorazepam | 46 | 13 |
| Montelukast Sodium | Montelukast Sodium | 46 | 13 |
| Duloxetine Hcl | Duloxetine Hcl | 45 | 17 |
| Zolpidem Tartrate | Zolpidem Tartrate | 44 | suppressed |
| Methylprednisolone | Methylprednisolone | 43 | 36 |
| Chlorthalidone | Chlorthalidone | 42 | 14 |
| Famotidine | Famotidine | 42 | 16 |
| Fenofibrate | Fenofibrate | 42 | 12 |
| Amoxicillin-Clavulanate Potass | Amoxicillin/Potassium Clav | 38 | 29 |
| Benazepril Hcl | Benazepril Hcl | 38 | suppressed |
| Lovastatin | Lovastatin | 38 | 11 |
| Cyclobenzaprine Hcl | Cyclobenzaprine Hcl | 37 | 17 |
| Fluoxetine Hcl | Fluoxetine Hcl | 37 | 12 |
| Fluticasone Propionate | Fluticasone Propionate | 37 | 16 |
| Spironolactone | Spironolactone | 37 | 13 |
| Alendronate Sodium | Alendronate Sodium | 35 | 13 |
| Sildenafil Citrate | Sildenafil Citrate | 35 | 11 |
| Triamterene-Hydrochlorothiazid | Triamterene/Hydrochlorothiazid | 34 | suppressed |
| Propranolol Hcl | Propranolol Hcl | 33 | 12 |
| Isosorbide Mononitrate Er | Isosorbide Mononitrate | 31 | 11 |
| Nitrofurantoin Mono-Macro | Nitrofurantoin Monohyd/M-Cryst | 31 | 26 |
| Enalapril Maleate | Enalapril Maleate | 30 | 11 |
| Ibuprofen | Ibuprofen | 30 | 13 |
| Meclizine Hcl | Meclizine Hcl | 30 | 18 |
| Nifedipine Er | Nifedipine | 30 | suppressed |
| Pioglitazone Hcl | Pioglitazone Hcl | 30 | suppressed |
| Estradiol | Estradiol | 29 | suppressed |
| Folic Acid | Folic Acid | 29 | suppressed |
| Sumatriptan Succinate | Sumatriptan Succinate | 29 | suppressed |
| Doxepin Hcl | Doxepin Hcl | 28 | suppressed |
| Xarelto | Rivaroxaban | 28 | suppressed |
| Celecoxib | Celecoxib | 27 | suppressed |
| Buspirone Hcl | Buspirone Hcl | 26 | suppressed |
| Digoxin | Digoxin | 26 | suppressed |
| Fluticasone-Salmeterol | Fluticasone Propion/Salmeterol | 26 | 11 |
| Pregabalin | Pregabalin | 26 | suppressed |
| Amitriptyline Hcl | Amitriptyline Hcl | 24 | suppressed |
| Hydralazine Hcl | Hydralazine Hcl | 24 | suppressed |
| Finasteride | Finasteride | 23 | suppressed |
| Mirtazapine | Mirtazapine | 23 | suppressed |
| Bupropion Hcl Sr | Bupropion Hcl | 22 | suppressed |
| Clonazepam | Clonazepam | 22 | suppressed |
| Glipizide Er | Glipizide | 22 | suppressed |
| Ciprofloxacin Hcl | Ciprofloxacin Hcl | 21 | 21 |
| Donepezil Hcl | Donepezil Hcl | 21 | suppressed |
| Hydroxyzine Hcl | Hydroxyzine Hcl | 21 | suppressed |
| Lantus Solostar | Insulin Glargine,hum.Rec.Anlog | 21 | suppressed |
| Ozempic | Semaglutide | 21 | suppressed |
| Pramipexole Dihydrochloride | Pramipexole Di-Hcl | 21 | suppressed |
| Ramipril | Ramipril | 21 | suppressed |
| Ropinirole Hcl | Ropinirole Hcl | 21 | suppressed |
| Esomeprazole Magnesium | Esomeprazole Magnesium | 20 | suppressed |
| Latanoprost | Latanoprost | 20 | suppressed |
| Oxybutynin Chloride | Oxybutynin Chloride | 20 | suppressed |
| Synthroid | Levothyroxine Sodium | 20 | suppressed |
| Warfarin Sodium | Warfarin Sodium | 20 | suppressed |
| Diazepam | Diazepam | 19 | suppressed |
| Tizanidine Hcl | Tizanidine Hcl | 19 | suppressed |
| Metronidazole | Metronidazole | 18 | 12 |
| Paxlovid | Nirmatrelvir/Ritonavir | 18 | 18 |
| Primidone | Primidone | 18 | suppressed |
| Quetiapine Fumarate | Quetiapine Fumarate | 18 | suppressed |
| Torsemide | Torsemide | 18 | suppressed |
| Anoro Ellipta | Umeclidinium Brm/Vilanterol Tr | 17 | suppressed |
| Cilostazol | Cilostazol | 17 | suppressed |
| Clonidine Hcl | Clonidine Hcl | 17 | suppressed |
| Levetiracetam | Levetiracetam | 17 | suppressed |
| Methocarbamol | Methocarbamol | 17 | suppressed |
| Metoclopramide Hcl | Metoclopramide Hcl | 17 | suppressed |
| Ondansetron Hcl | Ondansetron Hcl | 16 | suppressed |
| Terazosin Hcl | Terazosin Hcl | 16 | suppressed |
| Topiramate | Topiramate | 16 | suppressed |
| Ultra-Fine Short Pen Needle | Pen Needle, Diabetic | 16 | suppressed |
| Benzonatate | Benzonatate | 15 | 14 |
| Divalproex Sodium Er | Divalproex Sodium | 15 | suppressed |
| Spiriva Respimat | Tiotropium Bromide | 15 | suppressed |
| Triamcinolone Acetonide | Triamcinolone Acetonide | 15 | suppressed |
| Butalbital-Acetaminophen-Caffe | Butalb/Acetaminophen/Caffeine | 14 | suppressed |
| Valacyclovir | Valacyclovir Hcl | 14 | suppressed |
| Colchicine | Colchicine | 13 | suppressed |
| Diclofenac Sodium | Diclofenac Sodium | 13 | suppressed |
| Insulin Aspart Prot Mix 70-30 | Insulin Aspart Prot/Insuln Asp | 13 | suppressed |
| Irbesartan | Irbesartan | 13 | suppressed |
| Novolin 70-30 | Insulin Nph Hum/Reg Insulin Hm | 13 | suppressed |
| Paroxetine Hcl | Paroxetine Hcl | 13 | suppressed |
| Diltiazem Hcl | Diltiazem Hcl | 12 | suppressed |
| Insulin Syringe | Syringe And Needle,insulin,1ml | 12 | suppressed |
| Myrbetriq | Mirabegron | 12 | suppressed |
| Oxybutynin Chloride Er | Oxybutynin Chloride | 12 | suppressed |
| Valsartan | Valsartan | 12 | suppressed |
| Baclofen | Baclofen | 11 | suppressed |
| Lactulose | Lactulose | 11 | suppressed |
| Tramadol Hcl | Tramadol Hcl | 11 | suppressed |
| Trelegy Ellipta | Fluticasone/Umeclidin/Vilanter | 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 | $102.64 · 5 records | Exact Sciences Corporation | Cologuard Collection Kit, FARXIGA, WATCHMAN FLX | 2 | — |
| 2024 | — | — | — | — | Complete |
Questions to ask
Questions you could discuss with your doctor
- What role, if any, does Farxiga play in your treatment recommendations for me?
- How do you evaluate evidence when you have a financial relationship with AstraZeneca Pharmaceuticals LP?
- 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