Payment overview · 2025
General Payments
120 reported records · 13 companies
Healthcare provider profile · identity verified
Allopathic & Osteopathic Physicians|Internal Medicine · FLUSHING, NY · NPI 1164476917
Verified facts
CMS Open Payments records show Ning Cao, M.D. received $2,353.24 in general payments during 2025 across 120 reported records.
ABBVIE INC. accounted for 27.3% of that reported general-payment amount.
The Open Payments records used for this analysis explicitly named 21 associated products.
A separate comparison found the same explicitly named product in public Medicare Part D data: Creon, Farxiga, Ibsrela, Kerendia, Ozempic, Trelegy Ellipta, Voquezna.
ABBVIE 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 CREON as an associated drug or biological on 91561 records involving 20616 distinct recipient NPIs. Public Medicare Part D data also shows 27 claims for Creon by this doctor in 2024.
ABBVIE 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 SYNTHROID as an associated drug or biological on 10655 records involving 4881 distinct recipient NPIs. Public Medicare Part D data also shows 31 claims for Synthroid by this doctor in 2024.
Ardelyx, 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 IBSRELA as an associated drug or biological on 59980 records involving 18215 distinct recipient NPIs. Public Medicare Part D data also shows 26 claims for Ibsrela by this doctor in 2024.
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 99 claims for Farxiga by this doctor in 2024.
Bayer Healthcare Pharmaceuticals 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 Kerendia as an associated drug or biological on 138674 records involving 48458 distinct recipient NPIs. Public Medicare Part D data also shows 15 claims for Kerendia by this doctor in 2024.
E.R. Squibb & Sons, L.L.C. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported ELIQUIS as an associated drug or biological on 27956 records involving 14870 distinct recipient NPIs. Public Medicare Part D data also shows 26 claims for Eliquis by this doctor in 2024.
GlaxoSmithKline, LLC. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported TRELEGY ELLIPTA as an associated drug or biological on 131532 records involving 37148 distinct recipient NPIs. Public Medicare Part D data also shows 40 claims for Trelegy Ellipta by this doctor in 2024.
Lilly USA, LLC reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported JARDIANCE as an associated drug or biological on 47708 records involving 23833 distinct recipient NPIs. Public Medicare Part D data also shows 48 claims for Jardiance 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 48 claims for Ozempic by this doctor in 2024.
PFIZER 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 ELIQUIS as an associated drug or biological on 87112 records involving 36032 distinct recipient NPIs. Public Medicare Part D data also shows 26 claims for Eliquis by this doctor in 2024.
PFIZER 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 PAXLOVID as an associated drug or biological on 24465 records involving 15715 distinct recipient NPIs. Public Medicare Part D data also shows 11 claims for Paxlovid by this doctor in 2024.
Phathom Pharmaceuticals, 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 VOQUEZNA as an associated drug or biological on 90302 records involving 33442 distinct recipient NPIs. Public Medicare Part D data also shows 20 claims for Voquezna by this doctor in 2024.
Salix Pharmaceuticals, a division of Bausch Health US, LLC reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported TRULANCE as an associated drug or biological on 2652 records involving 1501 distinct recipient NPIs. Public Medicare Part D data also shows 14 claims for Trulance by this doctor in 2024.
These records do not establish that a payment influenced prescribing or medical care.
Payment overview · 2025
120 reported records · 13 companies
Separate record types
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?
| Reported company | Canonical company | Amount | Share | Records | Year |
|---|---|---|---|---|---|
| ABBVIE INC. | Unresolved — no canonical attribution shown | $643.35 | 27.3% | 36 | 2025 |
| AstraZeneca Pharmaceuticals LP | Unresolved — no canonical attribution shown | $443.31 | 18.8% | 23 | 2025 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | Unresolved — no canonical attribution shown | $221.57 | 9.4% | 15 | 2025 |
| PFIZER INC. | Unresolved — no canonical attribution shown | $202.66 | 8.6% | 9 | 2025 |
| Novo Nordisk Inc | Unresolved — no canonical attribution shown | $173.84 | 7.4% | 7 | 2025 |
| Ardelyx, Inc. | Unresolved — no canonical attribution shown | $163.80 | 7.0% | 7 | 2025 |
| Amgen Inc. | Unresolved — no canonical attribution shown | $137.09 | 5.8% | 6 | 2025 |
| GlaxoSmithKline, LLC. | Unresolved — no canonical attribution shown | $135.41 | 5.8% | 7 | 2025 |
| Bayer Healthcare Pharmaceuticals Inc. | Unresolved — no canonical attribution shown | $81.16 | 3.5% | 4 | 2025 |
| Lilly USA, LLC | Unresolved — no canonical attribution shown | $50.62 | 2.1% | 2 | 2025 |
| Phathom Pharmaceuticals, Inc. | Unresolved — no canonical attribution shown | $50.00 | 2.1% | 2 | 2025 |
| E.R. Squibb & Sons, L.L.C. | Unresolved — no canonical attribution shown | $28.75 | 1.2% | 1 | 2025 |
| Axsome Therapeutics, Inc. | Unresolved — no canonical attribution shown | $21.68 | 0.9% | 1 | 2025 |
What were the payments for?
| Category | Amount | Records |
|---|---|---|
| Food and Beverage | $2,353.24 | 120 |
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
| Reported product | Type | Reported company | Related amount* | Records | Year |
|---|---|---|---|---|---|
| UBRELVY Normalized: ubrelvy |
Drug | ABBVIE INC. | $435.20 | 21 | 2025 |
Source payment records
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| AIRSUPRA Normalized: airsupra |
Drug | AstraZeneca Pharmaceuticals LP | $276.01 | 14 | 2025 |
Source payment records
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| QULIPTA Normalized: qulipta |
Drug | ABBVIE INC. | $249.81 | 12 | 2025 |
Source payment records
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| XIFAXAN Normalized: xifaxan |
Drug | Salix Pharmaceuticals, a division of Bausch Health US, LLC | $221.57 | 15 | 2025 |
Source payment records
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| CREON Normalized: creon |
Drug | ABBVIE INC. | $208.15 | 15 | 2025 |
Source payment records
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| NURTEC ODT Normalized: nurtec odt |
Drug | PFIZER INC. | $202.66 | 9 | 2025 |
Source payment records
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| ZAVZPRET Normalized: zavzpret |
Drug | PFIZER INC. | $202.66 | 9 | 2025 |
Source payment records
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| Ozempic Normalized: ozempic |
Drug | Novo Nordisk Inc | $173.84 | 7 | 2025 |
Source payment records
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| LINZESS Normalized: linzess |
Drug | ABBVIE INC. | $171.73 | 12 | 2025 |
Source payment records
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| IBSRELA Normalized: ibsrela |
Drug | Ardelyx, Inc. | $163.80 | 7 | 2025 |
Source payment records
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| Rybelsus Normalized: rybelsus |
Drug | Novo Nordisk Inc | $153.77 | 6 | 2025 |
Source payment records
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| OTEZLA Normalized: otezla |
Drug | Amgen Inc. | $137.09 | 6 | 2025 |
Source payment records
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| REPATHA Normalized: repatha |
Biological | Amgen Inc. | $137.09 | 6 | 2025 |
Source payment records
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| TRELEGY ELLIPTA Normalized: trelegy ellipta |
Drug | GlaxoSmithKline, LLC. | $135.41 | 7 | 2025 |
Source payment records
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| FARXIGA Normalized: farxiga |
Drug | AstraZeneca Pharmaceuticals LP | $128.44 | 6 | 2025 |
Source payment records
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| Kerendia Normalized: kerendia |
Drug | Bayer Healthcare Pharmaceuticals Inc. | $81.16 | 4 | 2025 |
Source payment records
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| VOQUEZNA Normalized: voquezna |
Drug | Phathom Pharmaceuticals, Inc. | $50.00 | 2 | 2025 |
Source payment records
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| MOUNJARO Normalized: mounjaro |
Drug | Lilly USA, LLC | $28.91 | 1 | 2025 |
Source payment records
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| ZEPBOUND Normalized: zepbound |
Drug | Lilly USA, LLC | $21.71 | 1 | 2025 |
Source payment records
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| Symbravo Normalized: symbravo |
Drug | Axsome Therapeutics, Inc. | $21.68 | 1 | 2025 |
Source payment records
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| FASENRA Normalized: fasenra |
Biological | AstraZeneca Pharmaceuticals LP | $18.46 | 2 | 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.
| Open Payments product | Payment year | Part D brand | Part D year | Claims | Match method | Source |
|---|---|---|---|---|---|---|
| CREON creon |
2025 | Creon | 2024 | 27 Beneficiary count suppressed |
exact normalized | Medicare Part D |
| FARXIGA farxiga |
2025 | Farxiga | 2024 | 99 | exact normalized | Medicare Part D |
| IBSRELA ibsrela |
2025 | Ibsrela | 2024 | 26 | exact normalized | Medicare Part D |
| Kerendia kerendia |
2025 | Kerendia | 2024 | 15 Beneficiary count suppressed |
exact normalized | Medicare Part D |
| Ozempic ozempic |
2025 | Ozempic | 2024 | 48 Beneficiary count suppressed |
exact normalized | Medicare Part D |
| TRELEGY ELLIPTA trelegy ellipta |
2025 | Trelegy Ellipta | 2024 | 40 | exact normalized | Medicare Part D |
| VOQUEZNA voquezna |
2025 | Voquezna | 2024 | 20 Beneficiary count suppressed |
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
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 |
|---|---|---|---|---|---|---|
| ABBVIE INC. Exact reporting entity; no affiliate inference |
2025 | CREON open payments reported associated product |
CMS Open Payments — General Payments 91561 supporting records · 20616 recipient NPIs · example record 1201352608 |
Creon · 2024 Exact normalized brand match · 1 Part D row |
27 | suppressed by CMS |
| ABBVIE INC. Exact reporting entity; no affiliate inference |
2025 | SYNTHROID open payments reported associated product |
CMS Open Payments — General Payments 10655 supporting records · 4881 recipient NPIs · example record 1201352636 |
Synthroid · 2024 Exact normalized brand match · 1 Part D row |
31 | suppressed by CMS |
| Ardelyx, Inc. Exact reporting entity; no affiliate inference |
2025 | IBSRELA open payments reported associated product |
CMS Open Payments — General Payments 59980 supporting records · 18215 recipient NPIs · example record 1247828901 |
Ibsrela · 2024 Exact normalized brand match · 1 Part D row |
26 | 12 |
| 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 |
99 | 28 |
| Bayer Healthcare Pharmaceuticals Inc. Exact reporting entity; no affiliate inference |
2025 | Kerendia open payments reported associated product |
CMS Open Payments — General Payments 138674 supporting records · 48458 recipient NPIs · example record 1225434663 |
Kerendia · 2024 Exact normalized brand match · 1 Part D row |
15 | suppressed by CMS |
| E.R. Squibb & Sons, L.L.C. Exact reporting entity; no affiliate inference |
2025 | ELIQUIS open payments reported associated product |
CMS Open Payments — General Payments 27956 supporting records · 14870 recipient NPIs · example record 1184377713 |
Eliquis · 2024 Exact normalized brand match · 1 Part D row |
26 | suppressed by CMS |
| GlaxoSmithKline, LLC. Exact reporting entity; no affiliate inference |
2025 | TRELEGY ELLIPTA open payments reported associated product |
CMS Open Payments — General Payments 131532 supporting records · 37148 recipient NPIs · example record 1190332369 |
Trelegy Ellipta · 2024 Exact normalized brand match · 1 Part D row |
40 | 17 |
| Lilly USA, LLC Exact reporting entity; no affiliate inference |
2025 | JARDIANCE open payments reported associated product |
CMS Open Payments — General Payments 47708 supporting records · 23833 recipient NPIs · example record 1186464557 |
Jardiance · 2024 Exact normalized brand match · 1 Part D row |
48 | suppressed by CMS |
| 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 |
48 | suppressed by CMS |
| PFIZER INC. Exact reporting entity; no affiliate inference |
2025 | ELIQUIS open payments reported associated product |
CMS Open Payments — General Payments 87112 supporting records · 36032 recipient NPIs · example record 1228794063 |
Eliquis · 2024 Exact normalized brand match · 1 Part D row |
26 | suppressed by CMS |
| PFIZER INC. Exact reporting entity; no affiliate inference |
2025 | PAXLOVID open payments reported associated product |
CMS Open Payments — General Payments 24465 supporting records · 15715 recipient NPIs · example record 1228794432 |
Paxlovid · 2024 Exact normalized brand match · 1 Part D row |
11 | 11 |
| Phathom Pharmaceuticals, Inc. Exact reporting entity; no affiliate inference |
2025 | VOQUEZNA open payments reported associated product |
CMS Open Payments — General Payments 90302 supporting records · 33442 recipient NPIs · example record 1219216983 |
Voquezna · 2024 Exact normalized brand match · 1 Part D row |
20 | suppressed by CMS |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC Exact reporting entity; no affiliate inference |
2025 | TRULANCE open payments reported associated product |
CMS Open Payments — General Payments 2652 supporting records · 1501 recipient NPIs · example record 1231775445 |
Trulance · 2024 Exact normalized brand match · 1 Part D row |
14 | 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
| Brand | Generic | Claims | Beneficiaries |
|---|---|---|---|
| Atorvastatin Calcium | Atorvastatin Calcium | 407 | 120 |
| Amlodipine Besylate | Amlodipine Besylate | 238 | 78 |
| Losartan Potassium | Losartan Potassium | 228 | 63 |
| Metoprolol Succinate | Metoprolol Succinate | 193 | 54 |
| Levothyroxine Sodium | Levothyroxine Sodium | 178 | 45 |
| Vascepa | Icosapent Ethyl | 159 | 37 |
| Lisinopril | Lisinopril | 143 | 44 |
| Simvastatin | Simvastatin | 132 | 40 |
| Rosuvastatin Calcium | Rosuvastatin Calcium | 128 | 39 |
| Metformin Hcl Er | Metformin Hcl | 118 | 39 |
| Metformin Hcl | Metformin Hcl | 104 | 28 |
| Farxiga | Dapagliflozin Propanediol | 99 | 28 |
| Azithromycin | Azithromycin | 80 | 62 |
| Atenolol | Atenolol | 70 | 19 |
| Meloxicam | Meloxicam | 70 | 22 |
| Vitamin D2 | Ergocalciferol (Vitamin D2) | 68 | 33 |
| Glipizide Er | Glipizide | 67 | 19 |
| Tamsulosin Hcl | Tamsulosin Hcl | 63 | 19 |
| Zolpidem Tartrate | Zolpidem Tartrate | 63 | 17 |
| Alendronate Sodium | Alendronate Sodium | 62 | 17 |
| Losartan-Hydrochlorothiazide | Losartan/Hydrochlorothiazide | 59 | 20 |
| Hydrochlorothiazide | Hydrochlorothiazide | 52 | 18 |
| Metoprolol Tartrate | Metoprolol Tartrate | 51 | 14 |
| Jardiance | Empagliflozin | 48 | suppressed |
| Ozempic | Semaglutide | 48 | suppressed |
| Lisinopril-Hydrochlorothiazide | Lisinopril/Hydrochlorothiazide | 45 | 11 |
| Amlodipine Besylate-Benazepril | Amlodipine Besylate/Benazepril | 44 | 11 |
| Sertraline Hcl | Sertraline Hcl | 42 | 13 |
| Omeprazole | Omeprazole | 40 | 21 |
| Pravastatin Sodium | Pravastatin Sodium | 40 | 13 |
| Trelegy Ellipta | Fluticasone/Umeclidin/Vilanter | 40 | 17 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 38 | 15 |
| Hydrocortisone | Hydrocortisone | 34 | 17 |
| Nifedipine Er | Nifedipine | 34 | 12 |
| Breztri Aerosphere | Budesonide/Glycopyr/Formoterol | 33 | suppressed |
| Synthroid | Levothyroxine Sodium | 31 | suppressed |
| Famotidine | Famotidine | 30 | suppressed |
| Montelukast Sodium | Montelukast Sodium | 30 | suppressed |
| Celecoxib | Celecoxib | 28 | suppressed |
| Clotrimazole-Betamethasone | Clotrimazole/Betamethasone Dip | 27 | 15 |
| Creon | Lipase/Protease/Amylase | 27 | suppressed |
| Diclofenac Sodium | Diclofenac Sodium | 26 | 13 |
| Eliquis | Apixaban | 26 | suppressed |
| Glipizide-Metformin | Glipizide/Metformin Hcl | 26 | suppressed |
| Ibsrela | Tenapanor Hcl | 26 | 12 |
| Lorazepam | Lorazepam | 25 | suppressed |
| Prednisone | Prednisone | 25 | 18 |
| Lantus Solostar | Insulin Glargine,hum.Rec.Anlog | 24 | suppressed |
| Allopurinol | Allopurinol | 23 | suppressed |
| Ammonium Lactate | Ammonium Lactate | 23 | suppressed |
| Carvedilol | Carvedilol | 23 | suppressed |
| Eszopiclone | Eszopiclone | 22 | suppressed |
| Finasteride | Finasteride | 21 | 11 |
| Amoxicillin-Clavulanate Potass | Amoxicillin/Potassium Clav | 20 | 16 |
| Escitalopram Oxalate | Escitalopram Oxalate | 20 | suppressed |
| Ezetimibe | Ezetimibe | 20 | suppressed |
| Voquezna | Vonoprazan Fumarate | 20 | suppressed |
| Clopidogrel | Clopidogrel Bisulfate | 19 | suppressed |
| Methimazole | Methimazole | 19 | suppressed |
| Nitrofurantoin Mono-Macro | Nitrofurantoin Monohyd/M-Cryst | 19 | 19 |
| Raloxifene Hcl | Raloxifene Hcl | 19 | suppressed |
| Clobetasol Propionate | Clobetasol Propionate | 18 | 16 |
| Clonazepam | Clonazepam | 18 | suppressed |
| Fenofibrate | Fenofibrate | 18 | suppressed |
| Levofloxacin | Levofloxacin | 17 | 15 |
| Meclizine Hcl | Meclizine Hcl | 17 | 15 |
| Janumet | Sitagliptin Phos/Metformin Hcl | 16 | suppressed |
| Pantoprazole Sodium | Pantoprazole Sodium | 16 | suppressed |
| Ramipril | Ramipril | 16 | suppressed |
| Repatha Sureclick | Evolocumab | 16 | suppressed |
| Valsartan | Valsartan | 16 | suppressed |
| Ciprofloxacin Hcl | Ciprofloxacin Hcl | 15 | 13 |
| Kerendia | Finerenone | 15 | suppressed |
| Atenolol-Chlorthalidone | Atenolol/Chlorthalidone | 14 | suppressed |
| Gabapentin | Gabapentin | 14 | suppressed |
| Omega-3 Acid Ethyl Esters | Omega-3 Acid Ethyl Esters | 14 | suppressed |
| Tramadol Hcl | Tramadol Hcl | 14 | suppressed |
| Trulance | Plecanatide | 14 | suppressed |
| Valacyclovir | Valacyclovir Hcl | 14 | suppressed |
| Spironolactone | Spironolactone | 13 | suppressed |
| Alprazolam | Alprazolam | 12 | suppressed |
| Levocetirizine Dihydrochloride | Levocetirizine Dihydrochloride | 12 | suppressed |
| Sotalol | Sotalol Hcl | 12 | suppressed |
| Warfarin Sodium | Warfarin Sodium | 12 | suppressed |
| Crestor | Rosuvastatin Calcium | 11 | suppressed |
| Enalapril Maleate | Enalapril Maleate | 11 | suppressed |
| Furosemide | Furosemide | 11 | suppressed |
| Gemfibrozil | Gemfibrozil | 11 | suppressed |
| Nebivolol Hcl | Nebivolol Hcl | 11 | suppressed |
| Paxlovid | Nirmatrelvir/Ritonavir | 11 | 11 |
| Xarelto | Rivaroxaban | 11 | suppressed |
Timeline
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 | $2,353.24 · 120 records | ABBVIE INC. | AIRSUPRA, CREON, FARXIGA, FASENRA, IBSRELA, Kerendia, LINZESS, MOUNJARO, NURTEC ODT, OTEZLA, Ozempic, QULIPTA, REPATHA, Rybelsus, Symbravo, TRELEGY ELLIPTA, UBRELVY, VOQUEZNA, XIFAXAN, ZAVZPRET, ZEPBOUND | 13 | — |
| 2024 | — | — | — | — | Complete |
Questions to ask
These are general questions generated from reviewed templates. They are not personalized medical advice.
Sources and limitations
| 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