Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $14,450 | 5 | 99.8% |
| Food and Beverage | $30.70 | 1 | 0.2% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Y-mAbs Therapeutics, Inc. | $7,050 | 2 | $0 (2022) |
| Progenics Pharmaceuticals, Inc. | $4,400 | 2 | $0 (2019) |
| EUSA Pharma (US) LLC | $3,000 | 1 | $0 (2020) |
| United Therapeutics Corporation | $30.70 | 1 | $0 (2018) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2022 | $7,050 | 2 | Y-mAbs Therapeutics, Inc. ($7,050) |
| 2020 | $3,000 | 1 | EUSA Pharma (US) LLC ($3,000) |
| 2019 | $4,400 | 2 | Progenics Pharmaceuticals, Inc. ($4,400) |
| 2018 | $30.70 | 1 | United Therapeutics Corporation ($30.70) |
All Payment Transactions
6 individual payment records from CMS Open Payments
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 10/25/2022 | Y-mAbs Therapeutics, Inc. | — | Consulting Fee | Cash or cash equivalent | $1,200.00 | General |
| 09/23/2022 | Y-mAbs Therapeutics, Inc. | — | Consulting Fee | Cash or cash equivalent | $5,850.00 | General |
| 05/07/2020 | EUSA Pharma (US) LLC | SYLVANT (Drug) | Consulting Fee | Cash or cash equivalent | $3,000.00 | General |
| Category: Hematology | ||||||
| 09/04/2019 | Progenics Pharmaceuticals, Inc. | — | Consulting Fee | Cash or cash equivalent | $2,000.00 | General |
| 04/10/2019 | Progenics Pharmaceuticals, Inc. | — | Consulting Fee | Cash or cash equivalent | $2,400.00 | General |
| 05/10/2018 | United Therapeutics Corporation | UNITUXIN (Drug) | Food and Beverage | In-kind items and services | $30.70 | General |
| Category: UNITUXIN | ||||||
About Dr. Katherine Matthay, M.D
Dr. Katherine Matthay, M.D is a Hematology healthcare provider based in San Francisco, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/24/2006. The National Provider Identifier (NPI) number assigned to this provider is 1801822499.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Katherine Matthay, M.D has received a total of $14,481 in payments from pharmaceutical and medical device companies, with $7,050 received in 2022. These payments were reported across 6 transactions from 4 companies. The most common payment nature is "Consulting Fee" ($14,450).
Practice Information
- Specialty Hematology
- Other Specialties Pediatrics
- Location San Francisco, CA
- Active Since 06/24/2006
- Last Updated 09/11/2025
- Taxonomy Code 207RH0000X
- Entity Type Individual
- NPI Number 1801822499
Products in Payments
- SYLVANT (Drug) $3,000
- UNITUXIN (Drug) $30.70
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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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