Payment overview · 2025
General Payments
$1,041.74
46 reported records · 12 companies
Healthcare provider profile · identity verified
Karan Singh, MD
Allopathic & Osteopathic Physicians|Internal Medicine · CHICAGO, IL · NPI 1265797161
Verified facts
What the public records show
CMS Open Payments records show Karan Singh, MD received $1,041.74 in general payments during 2025 across 46 reported records.
Noah Medical Corporation accounted for 45.8% of that reported general-payment amount.
The Open Payments records used for this analysis explicitly named 14 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 BEVESPI AEROSPHERE as an associated drug or biological on 763 records involving 473 distinct recipient NPIs. Public Medicare Part D data also shows 11 claims for Bevespi Aerosphere 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 SYMBICORT as an associated drug or biological on 71 records involving 51 distinct recipient NPIs. Public Medicare Part D data also shows 62 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 311 claims for Trelegy Ellipta 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 |
|---|---|---|---|---|---|
| Noah Medical Corporation | Unresolved — no canonical attribution shown | $477.55 | 45.8% | 17 | 2025 |
| GlaxoSmithKline, LLC. | Unresolved — no canonical attribution shown | $231.54 | 22.2% | 11 | 2025 |
| Olympus America Inc. | Unresolved — no canonical attribution shown | $66.97 | 6.4% | 2 | 2025 |
| AstraZeneca Pharmaceuticals LP | Unresolved — no canonical attribution shown | $61.02 | 5.9% | 4 | 2025 |
| Grifols USA, LLC | Unresolved — no canonical attribution shown | $45.97 | 4.4% | 3 | 2025 |
| Actelion Pharmaceuticals US, Inc. | Unresolved — no canonical attribution shown | $33.10 | 3.2% | 1 | 2025 |
| Takeda Pharmaceuticals U.S.A., Inc. | Unresolved — no canonical attribution shown | $24.63 | 2.4% | 1 | 2025 |
| Electromed, Inc. | Unresolved — no canonical attribution shown | $21.94 | 2.1% | 3 | 2025 |
| HARMONY BIOSCIENCES LLC | Unresolved — no canonical attribution shown | $21.87 | 2.1% | 1 | 2025 |
| Genentech USA, Inc. | Unresolved — no canonical attribution shown | $21.59 | 2.1% | 1 | 2025 |
| Regeneron Healthcare Solutions, Inc. | Unresolved — no canonical attribution shown | $18.97 | 1.8% | 1 | 2025 |
| Novartis Pharmaceuticals Corporation | Unresolved — no canonical attribution shown | $16.59 | 1.6% | 1 | 2025 |
What were the payments for?
Payment categories
| Category | Amount | Records |
|---|---|---|
| Food and Beverage | $1,041.74 | 46 |
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 |
|---|---|---|---|---|---|
| GALAXY Normalized: galaxy |
Device | Noah Medical Corporation | $477.55 | 17 | 2025 |
Source payment records
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| NUCALA Normalized: nucala |
Biological | GlaxoSmithKline, LLC. | $162.33 | 7 | 2025 |
Source payment records
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| TRELEGY ELLIPTA Normalized: trelegy ellipta |
Drug | GlaxoSmithKline, LLC. | $69.21 | 4 | 2025 |
Source payment records
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| FASENRA Normalized: fasenra |
Biological | AstraZeneca Pharmaceuticals LP | $46.33 | 3 | 2025 |
Source payment records
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| Prolastin-C Liquid Normalized: prolastin c liquid |
Biological | Grifols USA, LLC | $45.97 | 3 | 2025 |
Source payment records
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| XOLAIR Normalized: xolair |
Biological, Drug | Genentech USA, Inc., Novartis Pharmaceuticals Corporation | $38.18 | 2 | 2025 |
Source payment records
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| OPSUMIT Normalized: opsumit |
Drug | Actelion Pharmaceuticals US, Inc. | $33.10 | 1 | 2025 |
Source payment records
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| UPTRAVI Normalized: uptravi |
Drug | Actelion Pharmaceuticals US, Inc. | $33.10 | 1 | 2025 |
Source payment records
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| GLASSIA Normalized: glassia |
Biological | Takeda Pharmaceuticals U.S.A., Inc. | $24.63 | 1 | 2025 |
Source payment records
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| SMARTVEST Normalized: smartvest |
Device | Electromed, Inc. | $21.94 | 3 | 2025 |
Source payment records
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| WAKIX Normalized: wakix |
Drug | HARMONY BIOSCIENCES LLC | $21.87 | 1 | 2025 |
Source payment records
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| DUPIXENT Normalized: dupixent |
Biological | Regeneron Healthcare Solutions, Inc. | $18.97 | 1 | 2025 |
Source payment records
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| Spiration Valve System Normalized: spiration valve system |
Device | Olympus America Inc. | $16.97 | 1 | 2025 |
Source payment records
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| BREZTRI Normalized: breztri |
Drug | AstraZeneca Pharmaceuticals LP | $14.69 | 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 |
|---|---|---|---|---|---|---|
| TRELEGY ELLIPTA trelegy ellipta |
2025 | Trelegy Ellipta | 2024 | 311 | 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 | BEVESPI AEROSPHERE open payments reported associated product |
CMS Open Payments — General Payments 763 supporting records · 473 recipient NPIs · example record 1206131384 |
Bevespi Aerosphere · 2024 Exact normalized brand match · 1 Part D row |
11 | suppressed by CMS |
| 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 |
62 | 25 |
| 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 |
311 | 88 |
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 |
|---|---|---|---|
| Trelegy Ellipta | Fluticasone/Umeclidin/Vilanter | 311 | 88 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 297 | 118 |
| Azithromycin | Azithromycin | 188 | 76 |
| Prednisone | Prednisone | 147 | 77 |
| Spiriva Respimat | Tiotropium Bromide | 119 | 30 |
| Montelukast Sodium | Montelukast Sodium | 106 | 35 |
| Stiolto Respimat | Tiotropium Br/Olodaterol Hcl | 104 | 17 |
| Breztri Aerosphere | Budesonide/Glycopyr/Formoterol | 86 | 26 |
| Fluticasone-Salmeterol | Fluticasone Propion/Salmeterol | 80 | 24 |
| Anoro Ellipta | Umeclidinium Brm/Vilanterol Tr | 77 | 30 |
| Ventolin Hfa | Albuterol Sulfate | 76 | 29 |
| Symbicort | Budesonide/Formoterol Fumarate | 62 | 25 |
| Roflumilast | Roflumilast | 55 | suppressed |
| Budesonide-Formoterol Fumarate | Budesonide/Formoterol Fumarate | 47 | 28 |
| Ethambutol Hcl | Ethambutol Hcl | 41 | suppressed |
| Rifampin | Rifampin | 34 | suppressed |
| Amoxicillin-Clavulanate Potass | Amoxicillin/Potassium Clav | 33 | 25 |
| Eliquis | Apixaban | 29 | suppressed |
| Furosemide | Furosemide | 28 | 15 |
| Breyna | Budesonide/Formoterol Fumarate | 26 | 15 |
| Metoprolol Tartrate | Metoprolol Tartrate | 26 | suppressed |
| Ofev | Nintedanib Esylate | 26 | suppressed |
| Wixela Inhub | Fluticasone Propion/Salmeterol | 22 | suppressed |
| Losartan Potassium | Losartan Potassium | 21 | suppressed |
| Dulera | Mometasone/Formoterol | 16 | suppressed |
| Levofloxacin | Levofloxacin | 15 | 11 |
| Theophylline Er | Theophylline Anhydrous | 15 | suppressed |
| Amlodipine Besylate | Amlodipine Besylate | 13 | suppressed |
| Clopidogrel | Clopidogrel Bisulfate | 13 | suppressed |
| Fluticasone Propionate | Fluticasone Propionate | 12 | suppressed |
| Spiriva Handihaler | Tiotropium Bromide | 12 | suppressed |
| Bevespi Aerosphere | Glycopyrrolate/Formoterol Fum | 11 | suppressed |
| Methotrexate | Methotrexate Sodium | 11 | suppressed |
| Modafinil | Modafinil | 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 | $1,041.74 · 46 records | Noah Medical Corporation | BREZTRI, DUPIXENT, FASENRA, GALAXY, GLASSIA, NUCALA, OPSUMIT, Prolastin-C Liquid, SMARTVEST, Spiration Valve System, TRELEGY ELLIPTA, UPTRAVI, WAKIX, XOLAIR | 3 | — |
| 2024 | — | — | — | — | Complete |
Questions to ask
Questions you could discuss with your doctor
- What role, if any, does Trelegy Ellipta 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