Payment overview · 2025
General Payments
$1,031.79
42 reported records · 15 companies
Healthcare provider profile · identity verified
Chong So, DO
Allopathic & Osteopathic Physicians|Family Medicine · DRACUT, MA · NPI 1972561231
Verified facts
What the public records show
CMS Open Payments records show Chong So, DO received $1,031.79 in general payments during 2025 across 42 reported records.
Bayer Healthcare Pharmaceuticals Inc. accounted for 27.9% of that reported general-payment amount.
The Open Payments records used for this analysis explicitly named 18 associated products.
A separate comparison found the same explicitly named product in public Medicare Part D data: Farxiga, Trelegy Ellipta, Vraylar.
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 VRAYLAR as an associated drug or biological on 377741 records involving 62704 distinct recipient NPIs. Public Medicare Part D data also shows 24 claims for Vraylar 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 40 claims for Farxiga 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 13 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 TRULICITY as an associated drug or biological on 71 records involving 57 distinct recipient NPIs. Public Medicare Part D data also shows 21 claims for Trulicity 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 34 claims for Eliquis 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 |
|---|---|---|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | Unresolved — no canonical attribution shown | $287.71 | 27.9% | 7 | 2025 |
| AstraZeneca Pharmaceuticals LP | Unresolved — no canonical attribution shown | $204.65 | 19.8% | 8 | 2025 |
| ABBVIE INC. | Unresolved — no canonical attribution shown | $83.28 | 8.1% | 4 | 2025 |
| Lundbeck LLC | Unresolved — no canonical attribution shown | $81.84 | 7.9% | 4 | 2025 |
| PFIZER INC. | Unresolved — no canonical attribution shown | $69.56 | 6.7% | 3 | 2025 |
| Lilly USA, LLC | Unresolved — no canonical attribution shown | $56.23 | 5.5% | 3 | 2025 |
| Gilead Sciences, Inc. | Unresolved — no canonical attribution shown | $40.48 | 3.9% | 2 | 2025 |
| Otsuka America Pharmaceutical, Inc. | Unresolved — no canonical attribution shown | $37.99 | 3.7% | 2 | 2025 |
| Verona Pharma, Inc. | Unresolved — no canonical attribution shown | $31.47 | 3.0% | 2 | 2025 |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | Unresolved — no canonical attribution shown | $30.10 | 2.9% | 2 | 2025 |
| GlaxoSmithKline, LLC. | Unresolved — no canonical attribution shown | $28.82 | 2.8% | 1 | 2025 |
| Vanda Pharmaceuticals Inc. | Unresolved — no canonical attribution shown | $25.21 | 2.4% | 1 | 2025 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | Unresolved — no canonical attribution shown | $22.75 | 2.2% | 1 | 2025 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | Unresolved — no canonical attribution shown | $17.03 | 1.6% | 1 | 2025 |
| Philips North America LLC | Unresolved — no canonical attribution shown | $14.67 | 1.4% | 1 | 2025 |
What were the payments for?
Payment categories
| Category | Amount | Records |
|---|---|---|
| Food and Beverage | $1,031.79 | 42 |
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 |
|---|---|---|---|---|---|
| Kerendia Normalized: kerendia |
Drug | Bayer Healthcare Pharmaceuticals Inc. | $287.71 | 7 | 2025 |
Source payment records
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| FARXIGA Normalized: farxiga |
Drug | AstraZeneca Pharmaceuticals LP | $136.59 | 5 | 2025 |
Source payment records
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| REXULTI Normalized: rexulti |
Drug | Lundbeck LLC, Otsuka America Pharmaceutical, Inc. | $119.83 | 6 | 2025 |
Source payment records
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| AIRSUPRA Normalized: airsupra |
Drug | AstraZeneca Pharmaceuticals LP | $75.99 | 3 | 2025 |
Source payment records
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| JARDIANCE Normalized: jardiance |
Drug | Boehringer Ingelheim Pharmaceuticals, Inc., Lilly USA, LLC | $73.26 | 4 | 2025 |
Source payment records
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| NURTEC ODT Normalized: nurtec odt |
Drug | PFIZER INC. | $69.56 | 3 | 2025 |
Source payment records
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| ZAVZPRET Normalized: zavzpret |
Drug | PFIZER INC. | $69.56 | 3 | 2025 |
Source payment records
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| VRAYLAR Normalized: vraylar |
Drug | ABBVIE INC. | $62.85 | 3 | 2025 |
Source payment records
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| BREZTRI Normalized: breztri |
Drug | AstraZeneca Pharmaceuticals LP | $50.93 | 2 | 2025 |
Source payment records
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| Ohtuvayre Normalized: ohtuvayre |
Drug | Verona Pharma, Inc. | $31.47 | 2 | 2025 |
Source payment records
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| CAPLYTA Normalized: caplyta |
Drug | ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | $30.10 | 2 | 2025 |
Source payment records
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| AREXVY Normalized: arexvy |
Biological | GlaxoSmithKline, LLC. | $28.82 | 1 | 2025 |
Source payment records
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| TRELEGY ELLIPTA Normalized: trelegy ellipta |
Drug | GlaxoSmithKline, LLC. | $28.82 | 1 | 2025 |
Source payment records
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| FANAPT Normalized: fanapt |
Drug | Vanda Pharmaceuticals Inc. | $25.21 | 1 | 2025 |
Source payment records
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| XIFAXAN Normalized: xifaxan |
Drug | Salix Pharmaceuticals, a division of Bausch Health US, LLC | $22.75 | 1 | 2025 |
Source payment records
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| QULIPTA Normalized: qulipta |
Drug | ABBVIE INC. | $20.43 | 1 | 2025 |
Source payment records
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| UBRELVY Normalized: ubrelvy |
Drug | ABBVIE INC. | $20.43 | 1 | 2025 |
Source payment records
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| Vest Therapy Und Normalized: vest therapy und |
Device | Philips North America LLC | $14.67 | 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 | 40 Beneficiary count suppressed |
exact normalized | Medicare Part D |
| TRELEGY ELLIPTA trelegy ellipta |
2025 | Trelegy Ellipta | 2024 | 13 Beneficiary count suppressed |
exact normalized | Medicare Part D |
| VRAYLAR vraylar |
2025 | Vraylar | 2024 | 24 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
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 |
|---|---|---|---|---|---|---|
| ABBVIE INC. Exact reporting entity; no affiliate inference |
2025 | VRAYLAR open payments reported associated product |
CMS Open Payments — General Payments 377741 supporting records · 62704 recipient NPIs · example record 1201352550 |
Vraylar · 2024 Exact normalized brand match · 1 Part D row |
24 | suppressed by CMS |
| 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 |
40 | 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 |
13 | suppressed by CMS |
| Lilly USA, LLC Exact reporting entity; no affiliate inference |
2025 | TRULICITY open payments reported associated product |
CMS Open Payments — General Payments 71 supporting records · 57 recipient NPIs · example record 1186464601 |
Trulicity · 2024 Exact normalized brand match · 1 Part D row |
21 | 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 |
34 | 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 | 293 | 81 |
| Lisinopril | Lisinopril | 225 | 62 |
| Gabapentin | Gabapentin | 180 | 35 |
| Amlodipine Besylate | Amlodipine Besylate | 168 | 50 |
| Omeprazole | Omeprazole | 137 | 36 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 114 | 41 |
| Metformin Hcl | Metformin Hcl | 106 | 31 |
| Hydrochlorothiazide | Hydrochlorothiazide | 93 | 28 |
| Famotidine | Famotidine | 81 | 21 |
| Metoprolol Succinate | Metoprolol Succinate | 81 | 29 |
| Baclofen | Baclofen | 76 | 16 |
| Pantoprazole Sodium | Pantoprazole Sodium | 74 | 21 |
| Rosuvastatin Calcium | Rosuvastatin Calcium | 67 | 20 |
| Sertraline Hcl | Sertraline Hcl | 66 | 15 |
| Levothyroxine Sodium | Levothyroxine Sodium | 65 | 19 |
| Trazodone Hcl | Trazodone Hcl | 60 | 16 |
| Simvastatin | Simvastatin | 59 | 17 |
| Ozempic | Semaglutide | 55 | suppressed |
| Fluticasone Propionate | Fluticasone Propionate | 54 | 18 |
| Pravastatin Sodium | Pravastatin Sodium | 54 | 14 |
| Allopurinol | Allopurinol | 50 | 15 |
| Tamsulosin Hcl | Tamsulosin Hcl | 49 | 13 |
| Clonazepam | Clonazepam | 48 | suppressed |
| Losartan Potassium | Losartan Potassium | 48 | 15 |
| Glimepiride | Glimepiride | 46 | 15 |
| Dextroamphetamine-Amphetamine | Dextroamphetamine/Amphetamine | 42 | suppressed |
| Oxycodone Hcl | Oxycodone Hcl | 42 | suppressed |
| Bisoprolol Fumarate | Bisoprolol Fumarate | 41 | 11 |
| Buspirone Hcl | Buspirone Hcl | 41 | suppressed |
| Ventolin Hfa | Albuterol Sulfate | 41 | 17 |
| Farxiga | Dapagliflozin Propanediol | 40 | suppressed |
| Montelukast Sodium | Montelukast Sodium | 40 | suppressed |
| Amlodipine Besylate-Benazepril | Amlodipine Besylate/Benazepril | 39 | suppressed |
| Clonidine Hcl | Clonidine Hcl | 34 | suppressed |
| Eliquis | Apixaban | 34 | suppressed |
| Potassium Chloride | Potassium Chloride | 33 | suppressed |
| Oxycodone-Acetaminophen | Oxycodone Hcl/Acetaminophen | 32 | suppressed |
| Duloxetine Hcl | Duloxetine Hcl | 31 | suppressed |
| Pregabalin | Pregabalin | 31 | suppressed |
| Breztri Aerosphere | Budesonide/Glycopyr/Formoterol | 30 | suppressed |
| Metformin Hcl Er | Metformin Hcl | 29 | 13 |
| Metoprolol Tartrate | Metoprolol Tartrate | 28 | suppressed |
| Tramadol Hcl | Tramadol Hcl | 28 | suppressed |
| Valsartan | Valsartan | 28 | suppressed |
| Atenolol | Atenolol | 25 | suppressed |
| Hydroxyzine Hcl | Hydroxyzine Hcl | 25 | suppressed |
| Ipratropium Bromide | Ipratropium Bromide | 25 | suppressed |
| Vraylar | Cariprazine Hcl | 24 | suppressed |
| Fluoxetine Hcl | Fluoxetine Hcl | 22 | suppressed |
| Trulicity | Dulaglutide | 21 | suppressed |
| Lorazepam | Lorazepam | 20 | suppressed |
| Cyclobenzaprine Hcl | Cyclobenzaprine Hcl | 19 | 12 |
| Doxazosin Mesylate | Doxazosin Mesylate | 19 | suppressed |
| Escitalopram Oxalate | Escitalopram Oxalate | 19 | suppressed |
| Prednisone | Prednisone | 19 | 11 |
| Venlafaxine Hcl Er | Venlafaxine Hcl | 19 | suppressed |
| Alendronate Sodium | Alendronate Sodium | 18 | suppressed |
| Citalopram Hbr | Citalopram Hydrobromide | 18 | suppressed |
| Mirtazapine | Mirtazapine | 18 | suppressed |
| Anoro Ellipta | Umeclidinium Brm/Vilanterol Tr | 17 | suppressed |
| Celecoxib | Celecoxib | 17 | suppressed |
| Quetiapine Fumarate | Quetiapine Fumarate | 17 | suppressed |
| Diclofenac Sodium | Diclofenac Sodium | 16 | suppressed |
| Furosemide | Furosemide | 16 | suppressed |
| Meclizine Hcl | Meclizine Hcl | 15 | suppressed |
| Omega-3 Acid Ethyl Esters | Omega-3 Acid Ethyl Esters | 15 | suppressed |
| Oxybutynin Chloride Er | Oxybutynin Chloride | 15 | suppressed |
| Doxycycline Hyclate | Doxycycline Hyclate | 14 | 14 |
| Breo Ellipta | Fluticasone/Vilanterol | 13 | suppressed |
| Bupropion Hcl Sr | Bupropion Hcl | 13 | suppressed |
| Ezetimibe | Ezetimibe | 13 | suppressed |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 13 | suppressed |
| Lovastatin | Lovastatin | 13 | suppressed |
| Trelegy Ellipta | Fluticasone/Umeclidin/Vilanter | 13 | suppressed |
| Triamcinolone Acetonide | Triamcinolone Acetonide | 13 | suppressed |
| Azelastine Hcl | Azelastine Hcl | 12 | suppressed |
| Clopidogrel | Clopidogrel Bisulfate | 12 | suppressed |
| Clotrimazole | Clotrimazole | 12 | suppressed |
| Glipizide Er | Glipizide | 12 | suppressed |
| Ropinirole Hcl | Ropinirole Hcl | 12 | suppressed |
| Spiriva Respimat | Tiotropium Bromide | 12 | suppressed |
| Sulfamethoxazole-Trimethoprim | Sulfamethoxazole/Trimethoprim | 12 | suppressed |
| Testosterone Cypionate | Testosterone Cypionate | 12 | suppressed |
| Valsartan-Hydrochlorothiazide | Valsartan/Hydrochlorothiazide | 12 | suppressed |
| Alfuzosin Hcl Er | Alfuzosin Hcl | 11 | suppressed |
| Amoxicillin-Clavulanate Potass | Amoxicillin/Potassium Clav | 11 | suppressed |
| Carvedilol | Carvedilol | 11 | suppressed |
| Lisinopril-Hydrochlorothiazide | Lisinopril/Hydrochlorothiazide | 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 | $1,031.79 · 42 records | Bayer Healthcare Pharmaceuticals Inc. | AIRSUPRA, AREXVY, BREZTRI, CAPLYTA, FANAPT, FARXIGA, JARDIANCE, Kerendia, NURTEC ODT, Ohtuvayre, QULIPTA, REXULTI, TRELEGY ELLIPTA, UBRELVY, VRAYLAR, Vest Therapy Und, XIFAXAN, ZAVZPRET | 5 | — |
| 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 ABBVIE INC.?
- 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