Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $1.9M | 19 | 88.7% |
| Consulting Fee | $245,579 | 23 | 11.2% |
| Unspecified | $975.00 | 1 | 0.0% |
| Food and Beverage | $905.15 | 5 | 0.0% |
| Travel and Lodging | $288.47 | 5 | 0.0% |
Payments by Type
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Agios Pharmaceuticals, Inc. | $2.2M | 43 | $0 (2024) |
| Millennium Pharmaceuticals, Inc. | $9,678 | 3 | $0 (2017) |
| SANOFI US SERVICES INC. | $7,272 | 3 | $0 (2018) |
| APO-PHARMA INC. | $6,500 | 1 | $0 (2017) |
| Alexion Pharmaceuticals, Inc. | $3,575 | 3 | $0 (2020) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $412,620 | 8 | Agios Pharmaceuticals, Inc. ($412,620) |
| 2023 | $429,902 | 8 | Agios Pharmaceuticals, Inc. ($429,902) |
| 2022 | $426,264 | 7 | Agios Pharmaceuticals, Inc. ($426,264) |
| 2021 | $16,250 | 1 | Agios Pharmaceuticals, Inc. ($16,250) |
| 2020 | $425,965 | 8 | Agios Pharmaceuticals, Inc. ($424,990) |
| 2019 | $427,826 | 10 | Agios Pharmaceuticals, Inc. ($425,226) |
| 2018 | $39,826 | 7 | Agios Pharmaceuticals, Inc. ($32,554) |
| 2017 | $16,178 | 4 | Millennium Pharmaceuticals, Inc. ($9,678) |
All Payment Transactions
53 individual payment records from CMS Open Payments — Page 1 of 3
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 09/26/2024 | Agios Pharmaceuticals, Inc. | — | Consulting Fee | Cash or cash equivalent | $35.00 | General |
| 07/17/2024 | Agios Pharmaceuticals, Inc. | — | Consulting Fee | Cash or cash equivalent | $45.00 | General |
| 07/10/2024 | Agios Pharmaceuticals, Inc. | — | Consulting Fee | Cash or cash equivalent | $17,500.00 | General |
| 06/20/2024 | Agios Pharmaceuticals, Inc. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Dividend, profit or other return on investment | $270,000.00 | General |
| 06/20/2024 | Agios Pharmaceuticals, Inc. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Stock, stock option, or any other ownership interest | $90,000.00 | General |
| 06/06/2024 | Agios Pharmaceuticals, Inc. | — | Food and Beverage | In-kind items and services | $39.67 | General |
| 05/15/2024 | Agios Pharmaceuticals, Inc. | — | Consulting Fee | Cash or cash equivalent | $17,500.00 | General |
| 02/21/2024 | Agios Pharmaceuticals, Inc. | — | Consulting Fee | Cash or cash equivalent | $17,500.00 | General |
| 12/13/2023 | Agios Pharmaceuticals, Inc. | — | Consulting Fee | Cash or cash equivalent | $102.00 | General |
| 10/18/2023 | Agios Pharmaceuticals, Inc. | — | Consulting Fee | Cash or cash equivalent | $17,500.00 | General |
| 07/26/2023 | Agios Pharmaceuticals, Inc. | — | Consulting Fee | Cash or cash equivalent | $17,500.00 | General |
| 06/13/2023 | Agios Pharmaceuticals, Inc. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Dividend, profit or other return on investment | $269,772.34 | General |
| 06/13/2023 | Agios Pharmaceuticals, Inc. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Stock, stock option, or any other ownership interest | $89,982.28 | General |
| 05/03/2023 | Agios Pharmaceuticals, Inc. | — | Consulting Fee | Cash or cash equivalent | $17,500.00 | General |
| 03/15/2023 | Agios Pharmaceuticals, Inc. | — | Consulting Fee | Cash or cash equivalent | $45.00 | General |
| 02/08/2023 | Agios Pharmaceuticals, Inc. | — | Consulting Fee | Cash or cash equivalent | $17,500.00 | General |
| 11/09/2022 | Agios Pharmaceuticals, Inc. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $17,500.00 | General |
| 08/24/2022 | Agios Pharmaceuticals, Inc. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $16,250.00 | General |
| 06/23/2022 | Agios Pharmaceuticals, Inc. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $16,250.00 | General |
| 06/21/2022 | Agios Pharmaceuticals, Inc. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Dividend, profit or other return on investment | $269,923.92 | General |
| 06/21/2022 | Agios Pharmaceuticals, Inc. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Stock, stock option, or any other ownership interest | $89,999.92 | General |
| 03/30/2022 | Agios Pharmaceuticals, Inc. | — | Travel and Lodging | Cash or cash equivalent | $90.00 | General |
| 03/03/2022 | Agios Pharmaceuticals, Inc. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $16,250.00 | General |
| 03/03/2021 | Agios Pharmaceuticals, Inc. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $16,250.00 | General |
| 11/12/2020 | Agios Pharmaceuticals, Inc. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $16,250.00 | General |
Research Studies & Clinical Trials
| Study Name | Company | Amount | Records |
|---|---|---|---|
| A Open-label, Multiple Ascending Dose Study to Evaluate the Efficacy, Safety, Tolerability, Immunogenicity, Pharmacokinetics, and Pharmacodynamics of ALXN1210 Administered Intravenously to Patients With Paroxysmal Nocturnal Hemoglobinuria | Alexion Pharmaceuticals, Inc. | $975.00 | 1 |
About Dr. David Scadden, MD
Dr. David Scadden, MD is a Internal Medicine healthcare provider based in Boston, Massachusetts. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 05/18/2006. The National Provider Identifier (NPI) number assigned to this provider is 1609829852.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. David Scadden, MD has received a total of $2.2M in payments from pharmaceutical and medical device companies, with $412,620 received in 2024. These payments were reported across 53 transactions from 5 companies. The most common payment nature is "Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program" ($1.9M).
Practice Information
- Specialty Internal Medicine
- Other Specialties Hematology & Oncology
- Location Boston, MA
- Active Since 05/18/2006
- Last Updated 09/11/2025
- Taxonomy Code 207R00000X
- Entity Type Individual
- NPI Number 1609829852
Products in Payments
- NO PRODUCT DISCUSSED (Drug) $7,272
- IDHIFA (Drug) $25.40
Explore
Data Sources
Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.
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