GlassScriptPhysician profile
David William Greenwald
NPI 1558380295
$3,734.64
in general payments reported to CMS, 2019-2025
43 companies · $996 in 2025
The $996 reported for 2025 was more than what a typical Hematology & Oncology provider received nationally (typical 2025 total: $686).
Payments by year
General payments by program year, as reported to CMS.
General payments by year: 2019: $417 · 2020: $178 · 2021: $278 · 2022: $629 · 2023: $640 · 2024: $595 · 2025: $996.
What the payments were for
Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.
Food and Beverage: $2,070 · Education: $162.
View as a table
| Payment type | Amount (2023-2025) |
|---|---|
| Food and Beverage | $2,070.16 |
| Education | $161.52 |
Payment-type detail covers 2023-2025; earlier years are included in totals but not broken out here.
Who reported paying
General payments only, as reported to CMS. Product names cover 2023-2025.
| Company | General payments | Years | Top products |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | $518.54 | 2019-2025 | |
| Pfizer INC. | $469.74 | 2019-2025 | |
| Genentech USA, INC. | $271.20 | 2019-2025 | Lunsumio, Columvi, Polivy |
| Celgene Corporation | $197.27 | 2021-2025 | Reblozyl |
| Astellas Pharma US INC | $189.39 | 2020-2025 | Xtandi, Padcev, Vyloy |
| Pharmacyclics LLC, An Abbvie Company | $186.40 | 2019-2023 | Imbruvica |
| Merck Sharp & Dohme LLC | $147.14 | 2021-2025 | Keytruda, Keytruda Qlex |
| Abbvie INC. | $144.17 | 2023-2025 | |
| Seagen INC. | $136.98 | 2020-2025 | |
| Array Biopharma INC | $130.26 | 2022-2025 | Braftovi, Mektovi, Lorbrena |
| Intuitive Surgical, INC. | $128.29 | 2022 | |
| Glaxosmithkline, LLC. | $110.83 | 2022-2025 | Ojjaara, Jemperli |
| Genzyme Corporation | $95.46 | 2019-2025 | |
| Kite Pharma, INC. | $93.39 | 2021-2023 | Yescarta |
| Daiichi Sankyo INC. | $87.05 | 2021-2025 | Injectafer, Datroway |
Show all 43 companies
Drugs and devices associated with these payments
CMS records which products a payment was associated with, not how the money was allocated. Association is not allocation: one payment can be associated with several products, and a product listing does not mean the payment was made because of that product. Product detail covers 2023-2025.
If you want to bring it up
Most clinicians are glad to talk about this. A respectful way in:
- "I saw David Greenwald listed in the CMS Open Payments database. Can you tell me about your work with those companies?"
- "Is there a generic or alternative to this medication, and would it work as well for me?"
- "What made you choose this particular treatment for my situation?"
These are normal questions. A good clinician will welcome them.
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Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.