Total Payments
$105,381
2022 Payments
$16,456
Companies
10
Transactions
131
Payment Breakdown by Category
Other$80,097 (76.0%)
Travel$13,539 (12.8%)
Consulting$8,902 (8.4%)
Food & Beverage$2,701 (2.6%)
Education$141.30 (0.1%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Honoraria | $59,228 | 35 | 56.2% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $20,870 | 12 | 19.8% |
| Travel and Lodging | $13,539 | 36 | 12.8% |
| Consulting Fee | $8,902 | 4 | 8.4% |
| Food and Beverage | $2,701 | 41 | 2.6% |
| Education | $141.30 | 3 | 0.1% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Horizon Therapeutics plc | $64,274 | 65 | $0 (2022) |
| Relypsa, Inc. | $14,306 | 25 | $0 (2018) |
| AstraZeneca Pharmaceuticals LP | $10,106 | 16 | $0 (2019) |
| OPKO Pharmaceuticals, LLC | $8,897 | 7 | $0 (2018) |
| Otsuka America Pharmaceutical, Inc. | $4,896 | 13 | $0 (2019) |
| Vifor Pharma, Inc. | $2,100 | 1 | $0 (2021) |
| Purdue Pharma L.P. | $650.00 | 1 | $0 (2017) |
| BAXTER HEALTHCARE | $124.71 | 1 | $0 (2018) |
| Genentech USA, Inc. | $14.94 | 1 | $0 (2022) |
| Mallinckrodt LLC | $10.52 | 1 | $0 (2018) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2022 | $16,456 | 24 | Horizon Therapeutics plc ($16,441) |
| 2021 | $17,840 | 14 | Horizon Therapeutics plc ($15,740) |
| 2020 | $26,632 | 26 | Horizon Therapeutics plc ($26,632) |
| 2019 | $15,599 | 21 | AstraZeneca Pharmaceuticals LP ($10,106) |
| 2018 | $14,525 | 20 | Relypsa, Inc. ($8,061) |
| 2017 | $14,328 | 26 | Relypsa, Inc. ($6,245) |
All Payment Transactions
131 individual payment records from CMS Open Payments — Page 1 of 6
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 11/04/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Honoraria | Cash or cash equivalent | $1,980.00 | General |
| Category: KRYSTEXXA | ||||||
| 11/04/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $125.66 | General |
| Category: KRYSTEXXA | ||||||
| 11/04/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Education | In-kind items and services | $74.80 | General |
| Category: KRYSTEXXA | ||||||
| 11/04/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Education | In-kind items and services | $57.50 | General |
| Category: KRYSTEXXA | ||||||
| 11/04/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $35.00 | General |
| Category: KRYSTEXXA | ||||||
| 11/03/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $22.80 | General |
| Category: KRYSTEXXA | ||||||
| 10/25/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Honoraria | Cash or cash equivalent | $200.00 | General |
| Category: KRYSTEXXA | ||||||
| 07/16/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Honoraria | Cash or cash equivalent | $6,630.00 | General |
| Category: KRYSTEXXA | ||||||
| 07/16/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Travel and Lodging | Cash or cash equivalent | $540.21 | General |
| Category: KRYSTEXXA | ||||||
| 07/16/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Travel and Lodging | Cash or cash equivalent | $299.79 | General |
| Category: KRYSTEXXA | ||||||
| 07/16/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Travel and Lodging | Cash or cash equivalent | $122.72 | General |
| Category: KRYSTEXXA | ||||||
| 07/16/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $65.00 | General |
| Category: KRYSTEXXA | ||||||
| 07/16/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $50.00 | General |
| Category: KRYSTEXXA | ||||||
| 07/16/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $25.00 | General |
| Category: KRYSTEXXA | ||||||
| 07/16/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $25.00 | General |
| Category: KRYSTEXXA | ||||||
| 05/01/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Honoraria | Cash or cash equivalent | $1,760.00 | General |
| Category: KRYSTEXXA | ||||||
| 04/08/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Honoraria | Cash or cash equivalent | $2,200.00 | General |
| Category: KRYSTEXXA | ||||||
| 04/08/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $125.52 | General |
| Category: KRYSTEXXA | ||||||
| 04/08/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Consulting Fee | In-kind items and services | $75.80 | General |
| Category: KRYSTEXXA | ||||||
| 04/08/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $26.46 | General |
| Category: KRYSTEXXA | ||||||
| 03/16/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Honoraria | Cash or cash equivalent | $200.00 | General |
| Category: KRYSTEXXA | ||||||
| 03/04/2022 | Genentech USA, Inc. | Xofluza (Drug) | Food and Beverage | In-kind items and services | $14.94 | General |
| Category: Virology & Specialty Care | ||||||
| 03/01/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Honoraria | Cash or cash equivalent | $480.00 | General |
| Category: KRYSTEXXA | ||||||
| 01/04/2022 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Honoraria | Cash or cash equivalent | $1,320.00 | General |
| Category: KRYSTEXXA | ||||||
| 11/29/2021 | Horizon Therapeutics plc | KRYSTEXXA (Biological) | Honoraria | Cash or cash equivalent | $1,320.00 | General |
| Category: KRYSTEXXA | ||||||
About Dr. Leonard Stern, M.D
Dr. Leonard Stern, M.D is a Nephrology healthcare provider based in New York, New York. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 11/14/2006. The National Provider Identifier (NPI) number assigned to this provider is 1124190228.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Leonard Stern, M.D has received a total of $105,381 in payments from pharmaceutical and medical device companies, with $16,456 received in 2022. These payments were reported across 131 transactions from 10 companies. The most common payment nature is "Honoraria" ($59,228).
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Practice Information
- Specialty Nephrology
- Location New York, NY
- Active Since 11/14/2006
- Last Updated 03/24/2025
- Taxonomy Code 207RN0300X
- Entity Type Individual
- Practice Solo Practitioner
- NPI Number 1124190228
Products in Payments
- KRYSTEXXA (Biological) $64,274
- Veltassa (Drug) $14,306
- LOKELMA (Drug) $10,106
- Rayaldee (Drug) $8,897
- TOLVAPTAN (Drug) $4,837
- Renal - Sharesource (Device) $124.71
- ABILIFY MAINTENA (Drug) $59.04
- Xofluza (Drug) $14.94
- ACTHAR (Biological) $10.52
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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