Total Payments
$80,204
2024 Payments
$13,997
Companies
10
Transactions
66
Payment Breakdown by Category
Consulting$45,100 (56.2%)
Other$31,537 (39.3%)
Travel$2,425 (3.0%)
Food & Beverage$1,142 (1.4%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $45,100 | 11 | 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 | $28,388 | 17 | 35.4% |
| Honoraria | $2,900 | 2 | 3.6% |
| Travel and Lodging | $2,425 | 14 | 3.0% |
| Food and Beverage | $1,142 | 21 | 1.4% |
| Compensation for serving as faculty or as a speaker for a medical education program | $249.00 | 1 | 0.3% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Ultragenyx Pharmaceutical Inc. | $33,907 | 31 | $0 (2022) |
| Kyowa Kirin, Inc. | $22,627 | 23 | $0 (2024) |
| Azurity Pharmaceuticals, Inc. | $17,250 | 1 | $0 (2021) |
| Relypsa, Inc. | $3,725 | 3 | $0 (2019) |
| Alexion Pharmaceuticals, Inc. | $1,723 | 2 | $0 (2024) |
| Fresenius USA Marketing, Inc. | $749.00 | 2 | $0 (2021) |
| BioMarin Pharmaceutical Inc. | $105.53 | 1 | $0 (2022) |
| Vertex Pharmaceuticals Incorporated | $55.92 | 1 | $0 (2022) |
| Mallinckrodt Enterprises LLC | $33.25 | 1 | $0 (2019) |
| Novartis Pharmaceuticals Corporation | $28.78 | 1 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $13,997 | 14 | Kyowa Kirin, Inc. ($12,293) |
| 2023 | $10,334 | 11 | Kyowa Kirin, Inc. ($10,334) |
| 2022 | $6,719 | 8 | Ultragenyx Pharmaceutical Inc. ($6,558) |
| 2021 | $25,324 | 9 | Azurity Pharmaceuticals, Inc. ($17,250) |
| 2020 | $19,510 | 17 | Ultragenyx Pharmaceutical Inc. ($19,510) |
| 2019 | $4,321 | 7 | Relypsa, Inc. ($3,725) |
All Payment Transactions
66 individual payment records from CMS Open Payments — Page 1 of 3
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 10/15/2024 | Alexion Pharmaceuticals, Inc. | STRENSIQ (Biological) | Consulting Fee | Cash or cash equivalent | $1,675.00 | General |
| Category: Rare Disease | ||||||
| 08/21/2024 | Kyowa Kirin, Inc. | Crysvita (Drug) | Consulting Fee | Cash or cash equivalent | $11,250.00 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 08/21/2024 | Kyowa Kirin, Inc. | Crysvita (Drug) | Travel and Lodging | Cash or cash equivalent | $25.66 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 08/21/2024 | Kyowa Kirin, Inc. | Crysvita (Drug) | Travel and Lodging | Cash or cash equivalent | $20.83 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 08/21/2024 | Kyowa Kirin, Inc. | Crysvita (Drug) | Travel and Lodging | Cash or cash equivalent | $20.61 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 08/10/2024 | Kyowa Kirin, Inc. | Crysvita (Drug) | Food and Beverage | In-kind items and services | $50.00 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 08/10/2024 | Kyowa Kirin, Inc. | Crysvita (Drug) | Food and Beverage | In-kind items and services | $50.00 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 08/10/2024 | Kyowa Kirin, Inc. | Crysvita (Drug) | Food and Beverage | In-kind items and services | $25.00 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 08/10/2024 | Kyowa Kirin, Inc. | Crysvita (Drug) | Food and Beverage | In-kind items and services | $25.00 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 08/09/2024 | Kyowa Kirin, Inc. | Crysvita (Drug) | Travel and Lodging | In-kind items and services | $430.78 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 08/09/2024 | Kyowa Kirin, Inc. | Crysvita (Drug) | Travel and Lodging | In-kind items and services | $226.86 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 08/09/2024 | Kyowa Kirin, Inc. | Crysvita (Drug) | Food and Beverage | In-kind items and services | $119.11 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 08/09/2024 | Kyowa Kirin, Inc. | Crysvita (Drug) | Food and Beverage | In-kind items and services | $49.29 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 05/03/2024 | Novartis Pharmaceuticals Corporation | — | Food and Beverage | In-kind items and services | $28.78 | General |
| 12/01/2023 | Kyowa Kirin, Inc. | Crysvita (Drug) | 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 | $9,062.50 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 10/28/2023 | Kyowa Kirin, Inc. | Crysvita (Drug) | Travel and Lodging | In-kind items and services | $93.28 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 10/28/2023 | Kyowa Kirin, Inc. | Crysvita (Drug) | Food and Beverage | In-kind items and services | $44.50 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 10/28/2023 | Kyowa Kirin, Inc. | Crysvita (Drug) | Food and Beverage | In-kind items and services | $44.50 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 10/28/2023 | Kyowa Kirin, Inc. | Crysvita (Drug) | Food and Beverage | In-kind items and services | $9.82 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 10/28/2023 | Kyowa Kirin, Inc. | Crysvita (Drug) | Food and Beverage | In-kind items and services | $9.82 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 10/27/2023 | Kyowa Kirin, Inc. | Crysvita (Drug) | Travel and Lodging | In-kind items and services | $343.81 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 10/27/2023 | Kyowa Kirin, Inc. | Crysvita (Drug) | Travel and Lodging | In-kind items and services | $323.50 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 10/27/2023 | Kyowa Kirin, Inc. | Crysvita (Drug) | Travel and Lodging | In-kind items and services | $171.20 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 10/27/2023 | Kyowa Kirin, Inc. | Crysvita (Drug) | Travel and Lodging | In-kind items and services | $119.00 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
| 10/27/2023 | Kyowa Kirin, Inc. | Crysvita (Drug) | Food and Beverage | In-kind items and services | $111.63 | General |
| Category: fibroblast growth factor 23 (FGF23) blocking antibody. | ||||||
About Dr. John Mahan, MD
Dr. John Mahan, MD is a Pediatric Nephrology healthcare provider based in Columbus, Ohio. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 08/31/2005. The National Provider Identifier (NPI) number assigned to this provider is 1023002417.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. John Mahan, MD has received a total of $80,204 in payments from pharmaceutical and medical device companies, with $13,997 received in 2024. These payments were reported across 66 transactions from 10 companies. The most common payment nature is "Consulting Fee" ($45,100).
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Practice Information
- Specialty Pediatric Nephrology
- Location Columbus, OH
- Active Since 08/31/2005
- Last Updated 02/21/2022
- Taxonomy Code 2080P0210X
- Entity Type Individual
- NPI Number 1023002417
Products in Payments
- Crysvita (Drug) $37,009
- EPANED (Drug) $17,250
- Cryvista (Drug) $12,325
- Veltassa (Drug) $3,725
- STRENSIQ (Biological) $1,675
- Vimizim (Biological) $105.53
- ACTHAR (Biological) $33.25
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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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