Payment overview · 2025
General Payments
$1,924.07
57 reported records · 25 companies
Healthcare provider profile · identity verified
David Sommerhalder
Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology · SAN ANTONIO, TX · NPI 1821417270
Verified facts
What the public records show
CMS Open Payments records show David Sommerhalder received $1,924.07 in general payments during 2025 across 57 reported records.
Siemens Medical Solutions USA, Inc. accounted for 23.9% of that reported general-payment amount.
The Open Payments records used for this analysis explicitly named 41 associated products.
A separate comparison found the same explicitly named product in public Medicare Part D data: Xtandi.
ARRAY BIOPHARMA 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 ORGOVYX as an associated drug or biological on 29 records involving 26 distinct recipient NPIs. Public Medicare Part D data also shows 13 claims for Orgovyx by this doctor in 2024.
ARRAY BIOPHARMA 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 XTANDI as an associated drug or biological on 98 records involving 88 distinct recipient NPIs. Public Medicare Part D data also shows 22 claims for Xtandi by this doctor in 2024.
Astellas Pharma US 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 Xtandi as an associated drug or biological on 11345 records involving 5418 distinct recipient NPIs. Public Medicare Part D data also shows 22 claims for Xtandi by this doctor in 2024.
Celgene Corporation 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 25 records involving 24 distinct recipient NPIs. Public Medicare Part D data also shows 22 claims for Eliquis 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 22 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 ELIQUIS as an associated drug or biological on 87112 records involving 36032 distinct recipient NPIs. Public Medicare Part D data also shows 22 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 ORGOVYX as an associated drug or biological on 16373 records involving 6981 distinct recipient NPIs. Public Medicare Part D data also shows 13 claims for Orgovyx 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 XTANDI as an associated drug or biological on 19368 records involving 7657 distinct recipient NPIs. Public Medicare Part D data also shows 22 claims for Xtandi 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 |
|---|---|---|---|---|---|
| Siemens Medical Solutions USA, Inc. | Unresolved — no canonical attribution shown | $460.00 | 23.9% | 1 | 2025 |
| Novartis Pharmaceuticals Corporation | Unresolved — no canonical attribution shown | $192.51 | 10.0% | 9 | 2025 |
| Caris MPI, Inc. | Unresolved — no canonical attribution shown | $137.41 | 7.1% | 1 | 2025 |
| ABBVIE INC. | Unresolved — no canonical attribution shown | $124.51 | 6.5% | 5 | 2025 |
| Regeneron Healthcare Solutions, Inc. | Unresolved — no canonical attribution shown | $124.27 | 6.5% | 1 | 2025 |
| Daiichi Sankyo Inc. | Unresolved — no canonical attribution shown | $102.20 | 5.3% | 5 | 2025 |
| Astellas Pharma US Inc | Unresolved — no canonical attribution shown | $99.99 | 5.2% | 1 | 2025 |
| Lilly USA, LLC | Unresolved — no canonical attribution shown | $83.13 | 4.3% | 3 | 2025 |
| SOBI, INC | Unresolved — no canonical attribution shown | $77.40 | 4.0% | 2 | 2025 |
| E.R. Squibb & Sons, L.L.C. | Unresolved — no canonical attribution shown | $77.03 | 4.0% | 3 | 2025 |
| PFIZER INC. | Unresolved — no canonical attribution shown | $55.97 | 2.9% | 4 | 2025 |
| SpringWorks Therapeutics, Inc. | Unresolved — no canonical attribution shown | $42.61 | 2.2% | 2 | 2025 |
| pharmaand GmbH | Unresolved — no canonical attribution shown | $40.34 | 2.1% | 5 | 2025 |
| Bayer Healthcare Pharmaceuticals Inc. | Unresolved — no canonical attribution shown | $38.70 | 2.0% | 2 | 2025 |
| Ferring Pharmaceuticals Inc. | Unresolved — no canonical attribution shown | $37.93 | 2.0% | 2 | 2025 |
| TerSera Therapeutics LLC | Unresolved — no canonical attribution shown | $36.58 | 1.9% | 1 | 2025 |
| Innovation Technologies Inc | Unresolved — no canonical attribution shown | $31.68 | 1.6% | 1 | 2025 |
| Iovance Biotherapeutics, Inc. | Unresolved — no canonical attribution shown | $27.02 | 1.4% | 1 | 2025 |
| Merck Sharp & Dohme LLC | Unresolved — no canonical attribution shown | $26.66 | 1.4% | 1 | 2025 |
| AstraZeneca Pharmaceuticals LP | Unresolved — no canonical attribution shown | $24.54 | 1.3% | 1 | 2025 |
| Celgene Corporation | Unresolved — no canonical attribution shown | $23.41 | 1.2% | 1 | 2025 |
| JAZZ PHARMACEUTICALS INC. | Unresolved — no canonical attribution shown | $18.07 | 0.9% | 1 | 2025 |
| TAIHO ONCOLOGY, INC. | Unresolved — no canonical attribution shown | $14.45 | 0.8% | 1 | 2025 |
| ARRAY BIOPHARMA INC | Unresolved — no canonical attribution shown | $13.98 | 0.7% | 2 | 2025 |
| Deciphera Pharmaceuticals Inc. | Unresolved — no canonical attribution shown | $13.68 | 0.7% | 1 | 2025 |
What were the payments for?
Payment categories
| Category | Amount | Records |
|---|---|---|
| Food and Beverage | $1,364.08 | 55 |
| Consulting Fee | $460.00 | 1 |
| Education | $99.99 | 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
Products named in Open Payments records
| Reported product | Type | Reported company | Related amount* | Records | Year |
|---|---|---|---|---|---|
| ARIA Radiation Therapy Management Software Normalized: aria radiation therapy management software |
Device | Siemens Medical Solutions USA, Inc. | $460.00 | 1 | 2025 |
Source payment records
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| MI CANCER SEEK Normalized: mi cancer seek |
Device | Caris MPI, Inc. | $137.41 | 1 | 2025 |
Source payment records
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| LIBTAYO Normalized: libtayo |
Biological | Regeneron Healthcare Solutions, Inc. | $124.27 | 1 | 2025 |
Source payment records
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| IMBRUVICA Normalized: imbruvica |
Drug | ABBVIE INC. | $105.72 | 4 | 2025 |
Source payment records
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| PLUVICTO Normalized: pluvicto |
Drug | Novartis Pharmaceuticals Corporation | $97.12 | 5 | 2025 |
Source payment records
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| JAYPIRCA Normalized: jaypirca |
Drug | Lilly USA, LLC | $83.13 | 3 | 2025 |
Source payment records
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| VERZENIO Normalized: verzenio |
Drug | Lilly USA, LLC | $83.13 | 3 | 2025 |
Source payment records
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| EPKINLY Normalized: epkinly |
Drug | ABBVIE INC. | $73.44 | 3 | 2025 |
Source payment records
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| KISQALI Normalized: kisqali |
Drug | Novartis Pharmaceuticals Corporation | $73.30 | 3 | 2025 |
Source payment records
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| DATROWAY Normalized: datroway |
Drug | Daiichi Sankyo Inc. | $54.95 | 2 | 2025 |
Source payment records
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| Doptelet Normalized: doptelet |
Drug | SOBI, INC | $49.94 | 1 | 2025 |
Source payment records
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| Enhertu Normalized: enhertu |
Drug | Daiichi Sankyo Inc. | $47.25 | 3 | 2025 |
Source payment records
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| OGSIVEO Normalized: ogsiveo |
Drug | SpringWorks Therapeutics, Inc. | $42.61 | 2 | 2025 |
Source payment records
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| Rubraca Normalized: rubraca |
Drug | pharmaand GmbH | $40.34 | 5 | 2025 |
Source payment records
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| Nubeqa Normalized: nubeqa |
Drug | Bayer Healthcare Pharmaceuticals Inc. | $38.70 | 2 | 2025 |
Source payment records
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| Stivarga Normalized: stivarga |
Drug | Bayer Healthcare Pharmaceuticals Inc. | $38.70 | 2 | 2025 |
Source payment records
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| Vitrakvi Normalized: vitrakvi |
Drug | Bayer Healthcare Pharmaceuticals Inc. | $38.70 | 2 | 2025 |
Source payment records
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| ADSTILADRIN Normalized: adstiladrin |
Biological | Ferring Pharmaceuticals Inc. | $37.93 | 2 | 2025 |
Source payment records
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| Xermelo Normalized: xermelo |
Drug | TerSera Therapeutics LLC | $36.58 | 1 | 2025 |
Source payment records
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| IRRISEPT Normalized: irrisept |
Device | Innovation Technologies Inc | $31.68 | 1 | 2025 |
Source payment records
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| Vonjo Normalized: vonjo |
Drug | SOBI, INC | $27.46 | 1 | 2025 |
Source payment records
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| Amtagvi Normalized: amtagvi |
Drug | Iovance Biotherapeutics, Inc. | $27.02 | 1 | 2025 |
Source payment records
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| KEYTRUDA Normalized: keytruda |
Biological | Merck Sharp & Dohme LLC | $26.66 | 1 | 2025 |
Source payment records
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| IMFINZI Normalized: imfinzi |
Biological | AstraZeneca Pharmaceuticals LP | $24.54 | 1 | 2025 |
Source payment records
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| REBLOZYL Normalized: reblozyl |
Biological | Celgene Corporation | $23.41 | 1 | 2025 |
Source payment records
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| LUTATHERA Normalized: lutathera |
Drug | Novartis Pharmaceuticals Corporation | $22.09 | 1 | 2025 |
Source payment records
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| INLYTA Normalized: inlyta |
Drug | PFIZER INC. | $20.80 | 1 | 2025 |
Source payment records
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| PADCEV Normalized: padcev |
Biological | PFIZER INC. | $20.80 | 1 | 2025 |
Source payment records
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| ELAHERE Normalized: elahere |
Drug | ABBVIE INC. | $18.79 | 1 | 2025 |
Source payment records
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| ZEPZELCA Normalized: zepzelca |
Drug | JAZZ PHARMACEUTICALS INC. | $18.07 | 1 | 2025 |
Source payment records
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| XTANDI Normalized: xtandi |
Drug | PFIZER INC. | $16.83 | 1 | 2025 |
Source payment records
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| BENEFIX Normalized: benefix |
Biological | PFIZER INC. | $14.72 | 1 | 2025 |
Source payment records
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| HYMPAVZI Normalized: hympavzi |
Drug | PFIZER INC. | $14.72 | 1 | 2025 |
Source payment records
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| XYNTHA Normalized: xyntha |
Biological | PFIZER INC. | $14.72 | 1 | 2025 |
Source payment records
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| INQOVI Normalized: inqovi |
Drug | TAIHO ONCOLOGY, INC. | $14.45 | 1 | 2025 |
Source payment records
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| LONSURF Normalized: lonsurf |
Drug | TAIHO ONCOLOGY, INC. | $14.45 | 1 | 2025 |
Source payment records
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| BRAFTOVI Normalized: braftovi |
Drug | ARRAY BIOPHARMA INC | $13.98 | 2 | 2025 |
Source payment records
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| QINLOCK Normalized: qinlock |
Drug | Deciphera Pharmaceuticals Inc. | $13.68 | 1 | 2025 |
Source payment records
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| TGCT Normalized: tgct |
Drug | Deciphera Pharmaceuticals Inc. | $13.68 | 1 | 2025 |
Source payment records
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| IBRANCE Normalized: ibrance |
Drug | PFIZER INC. | $3.62 | 1 | 2025 |
Source payment records
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| TUKYSA Normalized: tukysa |
Drug | PFIZER INC. | $3.62 | 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 |
|---|---|---|---|---|---|---|
| XTANDI xtandi |
2025 | Xtandi | 2024 | 22 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 |
|---|---|---|---|---|---|---|
| ARRAY BIOPHARMA INC Exact reporting entity; no affiliate inference |
2025 | ORGOVYX open payments reported associated product |
CMS Open Payments — General Payments 29 supporting records · 26 recipient NPIs · example record 1228888885 |
Orgovyx · 2024 Exact normalized brand match · 1 Part D row |
13 | suppressed by CMS |
| ARRAY BIOPHARMA INC Exact reporting entity; no affiliate inference |
2025 | XTANDI open payments reported associated product |
CMS Open Payments — General Payments 98 supporting records · 88 recipient NPIs · example record 1228800820 |
Xtandi · 2024 Exact normalized brand match · 1 Part D row |
22 | suppressed by CMS |
| Astellas Pharma US Inc Exact reporting entity; no affiliate inference |
2025 | Xtandi open payments reported associated product |
CMS Open Payments — General Payments 11345 supporting records · 5418 recipient NPIs · example record 1238560686 |
Xtandi · 2024 Exact normalized brand match · 1 Part D row |
22 | suppressed by CMS |
| Celgene Corporation Exact reporting entity; no affiliate inference |
2025 | ELIQUIS open payments reported associated product |
CMS Open Payments — General Payments 25 supporting records · 24 recipient NPIs · example record 1184385048 |
Eliquis · 2024 Exact normalized brand match · 1 Part D row |
22 | 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 |
22 | 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 |
22 | suppressed by CMS |
| PFIZER INC. Exact reporting entity; no affiliate inference |
2025 | ORGOVYX open payments reported associated product |
CMS Open Payments — General Payments 16373 supporting records · 6981 recipient NPIs · example record 1228794230 |
Orgovyx · 2024 Exact normalized brand match · 1 Part D row |
13 | suppressed by CMS |
| PFIZER INC. Exact reporting entity; no affiliate inference |
2025 | XTANDI open payments reported associated product |
CMS Open Payments — General Payments 19368 supporting records · 7657 recipient NPIs · example record 1228794230 |
Xtandi · 2024 Exact normalized brand match · 1 Part D row |
22 | 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 |
|---|---|---|---|
| Levothyroxine Sodium | Levothyroxine Sodium | 44 | 17 |
| Prednisone | Prednisone | 41 | 13 |
| Gabapentin | Gabapentin | 31 | suppressed |
| Doxycycline Monohydrate | Doxycycline Monohydrate | 24 | suppressed |
| Granisetron Hcl | Granisetron Hcl | 24 | suppressed |
| Eliquis | Apixaban | 22 | suppressed |
| Xtandi | Enzalutamide | 22 | suppressed |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 21 | 12 |
| Abiraterone Acetate | Abiraterone Acetate | 19 | suppressed |
| Trazodone Hcl | Trazodone Hcl | 19 | suppressed |
| Triamcinolone Acetonide | Triamcinolone Acetonide | 19 | suppressed |
| Prochlorperazine Maleate | Prochlorperazine Maleate | 17 | suppressed |
| Acetaminophen-Codeine | Acetaminophen With Codeine | 16 | suppressed |
| Orgovyx | Relugolix | 13 | suppressed |
| Xarelto | Rivaroxaban | 13 | suppressed |
| Potassium Chloride | Potassium Chloride | 12 | suppressed |
| Spironolactone | Spironolactone | 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 | $1,924.07 · 57 records | Siemens Medical Solutions USA, Inc. | ADSTILADRIN, ARIA Radiation Therapy Management Software, Amtagvi, BENEFIX, BRAFTOVI, DATROWAY, Doptelet, ELAHERE, EPKINLY, Enhertu, HYMPAVZI, IBRANCE, IMBRUVICA, IMFINZI, INLYTA, INQOVI, IRRISEPT, JAYPIRCA, KEYTRUDA, KISQALI, LIBTAYO, LONSURF, LUTATHERA, MI CANCER SEEK, Nubeqa, OGSIVEO, PADCEV, PLUVICTO, QINLOCK, REBLOZYL, Rubraca, Stivarga, TGCT, TUKYSA, VERZENIO, Vitrakvi, Vonjo, XTANDI, XYNTHA, Xermelo, ZEPZELCA | 8 | — |
| 2024 | — | — | — | — | Complete |
Questions to ask
Questions you could discuss with your doctor
- What role, if any, does Xtandi play in your treatment recommendations for me?
- How do you evaluate evidence when you have a financial relationship with ARRAY BIOPHARMA 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