Payment overview · 2025
General Payments
54 reported records · 18 companies
Healthcare provider profile · identity verified
Allopathic & Osteopathic Physicians|Internal Medicine|Pulmonary Disease · FLINT, MI · NPI 1295902229
Verified facts
CMS Open Payments records show Niraj P Parikh, M.D. received $1,115.24 in general payments during 2025 across 54 reported records.
GlaxoSmithKline, LLC. accounted for 19.0% of that reported general-payment amount.
The Open Payments records used for this analysis explicitly named 25 associated products.
A separate comparison found the same explicitly named product in public Medicare Part D data: Trelegy Ellipta.
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 SYMBICORT as an associated drug or biological on 71 records involving 51 distinct recipient NPIs. Public Medicare Part D data also shows 39 claims for Symbicort 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 128 claims for Trelegy Ellipta by this doctor in 2024.
These records do not establish that a payment influenced prescribing or medical care.
Payment overview · 2025
54 reported records · 18 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 |
|---|---|---|---|---|---|
| GlaxoSmithKline, LLC. | Unresolved — no canonical attribution shown | $211.73 | 19.0% | 14 | 2025 |
| AstraZeneca Pharmaceuticals LP | Unresolved — no canonical attribution shown | $178.20 | 16.0% | 9 | 2025 |
| Regeneron Healthcare Solutions, Inc. | Unresolved — no canonical attribution shown | $97.67 | 8.8% | 2 | 2025 |
| Lilly USA, LLC | Unresolved — no canonical attribution shown | $78.17 | 7.0% | 4 | 2025 |
| Resmed Corp | Unresolved — no canonical attribution shown | $67.13 | 6.0% | 3 | 2025 |
| GENZYME CORPORATION | Unresolved — no canonical attribution shown | $57.03 | 5.1% | 2 | 2025 |
| Takeda Pharmaceuticals U.S.A., Inc. | Unresolved — no canonical attribution shown | $55.21 | 5.0% | 3 | 2025 |
| Amgen Inc. | Unresolved — no canonical attribution shown | $52.78 | 4.7% | 3 | 2025 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | Unresolved — no canonical attribution shown | $48.44 | 4.3% | 2 | 2025 |
| Insmed, Inc. | Unresolved — no canonical attribution shown | $43.84 | 3.9% | 2 | 2025 |
| PFIZER INC. | Unresolved — no canonical attribution shown | $43.33 | 3.9% | 2 | 2025 |
| Electromed, Inc. | Unresolved — no canonical attribution shown | $36.12 | 3.2% | 2 | 2025 |
| United Therapeutics Corporation | Unresolved — no canonical attribution shown | $34.89 | 3.1% | 1 | 2025 |
| HARMONY BIOSCIENCES LLC | Unresolved — no canonical attribution shown | $30.70 | 2.8% | 1 | 2025 |
| JAZZ PHARMACEUTICALS INC. | Unresolved — no canonical attribution shown | $26.60 | 2.4% | 1 | 2025 |
| ANI Pharmaceuticals, Inc. | Unresolved — no canonical attribution shown | $20.32 | 1.8% | 1 | 2025 |
| Viatris Specialty LLC | Unresolved — no canonical attribution shown | $19.61 | 1.8% | 1 | 2025 |
| Verona Pharma, Inc. | Unresolved — no canonical attribution shown | $13.47 | 1.2% | 1 | 2025 |
What were the payments for?
| Category | Amount | Records |
|---|---|---|
| Food and Beverage | $1,035.30 | 53 |
| Education | $79.94 | 1 |
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 |
|---|---|---|---|---|---|
| DUPIXENT Normalized: dupixent |
Biological | GENZYME CORPORATION, Regeneron Healthcare Solutions, Inc. | $154.70 | 4 | 2025 |
Source payment records
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| NUCALA Normalized: nucala |
Biological | GlaxoSmithKline, LLC. | $113.61 | 8 | 2025 |
Source payment records
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| TEZSPIRE Normalized: tezspire |
Biological | Amgen Inc., AstraZeneca Pharmaceuticals LP | $96.52 | 5 | 2025 |
Source payment records
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| FASENRA Normalized: fasenra |
Biological | AstraZeneca Pharmaceuticals LP | $87.77 | 4 | 2025 |
Source payment records
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| ZEPBOUND Normalized: zepbound |
Drug | Lilly USA, LLC | $78.17 | 4 | 2025 |
Source payment records
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| TRELEGY ELLIPTA Normalized: trelegy ellipta |
Drug | GlaxoSmithKline, LLC. | $68.21 | 4 | 2025 |
Source payment records
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| AIRSENSE Normalized: airsense |
Device | Resmed Corp | $67.13 | 3 | 2025 |
Source payment records
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| GLASSIA Normalized: glassia |
Biological | Takeda Pharmaceuticals U.S.A., Inc. | $55.21 | 3 | 2025 |
Source payment records
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| BREZTRI Normalized: breztri |
Drug | AstraZeneca Pharmaceuticals LP | $45.03 | 2 | 2025 |
Source payment records
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| Arikayce Normalized: arikayce |
Drug | Insmed, Inc. | $43.84 | 2 | 2025 |
Source payment records
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| CUTAQUIG Normalized: cutaquig |
Biological | PFIZER INC. | $43.33 | 2 | 2025 |
Source payment records
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| OCTAGAM IMMUNE GLOBULIN (HUMAN) Normalized: octagam immune globulin human |
Drug | PFIZER INC. | $43.33 | 2 | 2025 |
Source payment records
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| PANZYGA Normalized: panzyga |
Biological | PFIZER INC. | $43.33 | 2 | 2025 |
Source payment records
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| AIRSUPRA Normalized: airsupra |
Drug | AstraZeneca Pharmaceuticals LP | $37.42 | 2 | 2025 |
Source payment records
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| SMARTVEST Normalized: smartvest |
Device | Electromed, Inc. | $36.12 | 2 | 2025 |
Source payment records
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| Tyvaso Normalized: tyvaso |
Drug | United Therapeutics Corporation | $34.89 | 1 | 2025 |
Source payment records
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| WAKIX Normalized: wakix |
Drug | HARMONY BIOSCIENCES LLC | $30.70 | 1 | 2025 |
Source payment records
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| JASCAYD Normalized: jascayd |
Drug | Boehringer Ingelheim Pharmaceuticals, Inc. | $30.67 | 1 | 2025 |
Source payment records
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| AREXVY Normalized: arexvy |
Biological | GlaxoSmithKline, LLC. | $29.91 | 2 | 2025 |
Source payment records
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| Brinsupri Normalized: brinsupri |
Drug | Insmed, Inc. | $28.24 | 1 | 2025 |
Source payment records
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| XYWAV Normalized: xywav |
Drug | JAZZ PHARMACEUTICALS INC. | $26.60 | 1 | 2025 |
Source payment records
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| PURIFIED CORTROPHIN GEL Normalized: purified cortrophin gel |
Drug | ANI Pharmaceuticals, Inc. | $20.32 | 1 | 2025 |
Source payment records
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| YUPELRI Normalized: yupelri |
Drug | Viatris Specialty LLC | $19.61 | 1 | 2025 |
Source payment records
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| OFEV Normalized: ofev |
Drug | Boehringer Ingelheim Pharmaceuticals, Inc. | $17.77 | 1 | 2025 |
Source payment records
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| Ohtuvayre Normalized: ohtuvayre |
Drug | Verona Pharma, Inc. | $13.47 | 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.
| Open Payments product | Payment year | Part D brand | Part D year | Claims | Match method | Source |
|---|---|---|---|---|---|---|
| TRELEGY ELLIPTA trelegy ellipta |
2025 | Trelegy Ellipta | 2024 | 128 | 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 |
|---|---|---|---|---|---|---|
| AstraZeneca Pharmaceuticals LP Exact reporting entity; no affiliate inference |
2025 | SYMBICORT open payments reported associated product |
CMS Open Payments — General Payments 71 supporting records · 51 recipient NPIs · example record 1206132610 |
Symbicort · 2024 Exact normalized brand match · 1 Part D row |
39 | 19 |
| 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 |
128 | 37 |
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 |
|---|---|---|---|
| Trelegy Ellipta | Fluticasone/Umeclidin/Vilanter | 128 | 37 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 124 | 45 |
| Ventolin Hfa | Albuterol Sulfate | 75 | 32 |
| Breo Ellipta | Fluticasone/Vilanterol | 69 | 16 |
| Fluticasone-Salmeterol | Fluticasone Propion/Salmeterol | 62 | 16 |
| Prednisone | Prednisone | 62 | 33 |
| Fluticasone Propionate | Fluticasone Propionate | 47 | 15 |
| Symbicort | Budesonide/Formoterol Fumarate | 39 | 19 |
| Budesonide-Formoterol Fumarate | Budesonide/Formoterol Fumarate | 34 | 17 |
| Anoro Ellipta | Umeclidinium Brm/Vilanterol Tr | 32 | suppressed |
| Spiriva Respimat | Tiotropium Bromide | 30 | suppressed |
| Advair Hfa | Fluticasone Propion/Salmeterol | 26 | suppressed |
| Breztri Aerosphere | Budesonide/Glycopyr/Formoterol | 24 | suppressed |
| Doxycycline Hyclate | Doxycycline Hyclate | 22 | 18 |
| Incruse Ellipta | Umeclidinium Bromide | 18 | suppressed |
| Montelukast Sodium | Montelukast Sodium | 17 | suppressed |
| Nystatin | Nystatin | 16 | suppressed |
| Azelastine Hcl | Azelastine Hcl | 15 | suppressed |
| Clonazepam | Clonazepam | 13 | suppressed |
| Wixela Inhub | Fluticasone Propion/Salmeterol | 12 | 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 | $1,115.24 · 54 records | GlaxoSmithKline, LLC. | AIRSENSE, AIRSUPRA, AREXVY, Arikayce, BREZTRI, Brinsupri, CUTAQUIG, DUPIXENT, FASENRA, GLASSIA, JASCAYD, NUCALA, OCTAGAM IMMUNE GLOBULIN (HUMAN), OFEV, Ohtuvayre, PANZYGA, PURIFIED CORTROPHIN GEL, SMARTVEST, TEZSPIRE, TRELEGY ELLIPTA, Tyvaso, WAKIX, XYWAV, YUPELRI, ZEPBOUND | 2 | — |
| 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