Total Payments
$58,044
2024 Payments
$19,525
Companies
10
Transactions
47
Medicare Patients
3,060
Medicare Billing
$292,724
Payment Breakdown by Category
Consulting$33,171 (57.1%)
Other$16,535 (28.5%)
Travel$7,521 (13.0%)
Food & Beverage$816.87 (1.4%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $33,171 | 15 | 57.1% |
| Honoraria | $16,535 | 4 | 28.5% |
| Travel and Lodging | $7,521 | 11 | 13.0% |
| Food and Beverage | $816.87 | 17 | 1.4% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| UCB SA | $31,605 | 14 | $0 (2024) |
| Horizon Therapeutics plc | $20,447 | 22 | $0 (2023) |
| Genentech, Inc. | $2,400 | 1 | $0 (2021) |
| Alexion Pharmaceuticals, Inc. | $1,680 | 1 | $0 (2021) |
| Merck Sharp & Dohme LLC | $1,000 | 3 | $0 (2023) |
| Biogen, Inc. | $549.85 | 1 | $0 (2019) |
| Amgen Inc. | $166.81 | 2 | $0 (2024) |
| Alcon Vision LLC | $102.04 | 1 | $0 (2021) |
| Ethicon Inc. | $65.90 | 1 | $0 (2017) |
| Alimera Sciences, Inc. | $27.15 | 1 | $0 (2018) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $19,525 | 11 | UCB SA ($19,358) |
| 2023 | $8,868 | 3 | UCB SA ($4,793) |
| 2022 | $18,607 | 25 | Horizon Therapeutics plc ($14,912) |
| 2021 | $10,402 | 5 | UCB SA ($4,260) |
| 2019 | $549.85 | 1 | Biogen, Inc. ($549.85) |
| 2018 | $27.15 | 1 | Alimera Sciences, Inc. ($27.15) |
| 2017 | $65.90 | 1 | Ethicon Inc. ($65.90) |
All Payment Transactions
47 individual payment records from CMS Open Payments — Page 1 of 2
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/13/2024 | UCB SA | Rystiggo (Biological) | Travel and Lodging | In-kind items and services | $3,618.15 | General |
| Category: Neurology | ||||||
| 12/13/2024 | UCB SA | Rystiggo (Biological) | Food and Beverage | In-kind items and services | $47.25 | General |
| Category: Neurology | ||||||
| 12/13/2024 | UCB SA | Rystiggo (Biological) | Food and Beverage | In-kind items and services | $12.60 | General |
| Category: Neurology | ||||||
| 12/13/2024 | UCB SA | Rystiggo (Biological) | Food and Beverage | In-kind items and services | $12.60 | General |
| Category: Neurology | ||||||
| 12/12/2024 | UCB SA | Rystiggo (Biological) | Travel and Lodging | In-kind items and services | $373.37 | General |
| Category: Neurology | ||||||
| 07/05/2024 | UCB SA | Rystiggo (Biological) | Consulting Fee | Cash or cash equivalent | $1,775.00 | General |
| Category: Neurology | ||||||
| 05/03/2024 | UCB SA | Rystiggo (Biological) | Consulting Fee | Cash or cash equivalent | $1,420.00 | General |
| Category: Neurology | ||||||
| 03/04/2024 | Amgen Inc. | UPLIZNA (Biological) | Food and Beverage | In-kind items and services | $74.61 | General |
| Category: Inflammation/Rare Disease | ||||||
| 03/03/2024 | Amgen Inc. | UPLIZNA (Biological) | Food and Beverage | In-kind items and services | $92.20 | General |
| Category: Inflammation/Rare Disease | ||||||
| 02/16/2024 | UCB SA | Rystiggo (Biological) | Consulting Fee | Cash or cash equivalent | $5,680.00 | General |
| Category: Neurology | ||||||
| 02/02/2024 | UCB SA | Rystiggo (Biological) | Consulting Fee | Cash or cash equivalent | $6,419.00 | General |
| Category: Neurology | ||||||
| 05/15/2023 | Merck Sharp & Dohme LLC | — | Consulting Fee | Cash or cash equivalent | $500.00 | General |
| 05/09/2023 | Horizon Therapeutics plc | UPLIZNA (Drug) | Honoraria | Cash or cash equivalent | $3,575.00 | General |
| Category: UPLIZNA | ||||||
| 01/06/2023 | UCB SA | — | Consulting Fee | Cash or cash equivalent | $4,792.50 | General |
| 08/29/2022 | Merck Sharp & Dohme LLC | — | Consulting Fee | Cash or cash equivalent | $250.00 | General |
| 08/27/2022 | Horizon Therapeutics plc | UPLIZNA (Drug) | Honoraria | Cash or cash equivalent | $5,500.00 | General |
| Category: UPLIZNA | ||||||
| 08/27/2022 | Horizon Therapeutics plc | UPLIZNA (Drug) | Travel and Lodging | Cash or cash equivalent | $596.13 | General |
| Category: UPLIZNA | ||||||
| 08/27/2022 | Horizon Therapeutics plc | UPLIZNA (Drug) | Travel and Lodging | Cash or cash equivalent | $300.00 | General |
| Category: UPLIZNA | ||||||
| 08/27/2022 | Horizon Therapeutics plc | UPLIZNA (Drug) | Travel and Lodging | Cash or cash equivalent | $192.66 | General |
| Category: UPLIZNA | ||||||
| 08/27/2022 | Horizon Therapeutics plc | UPLIZNA (Drug) | Travel and Lodging | Cash or cash equivalent | $127.46 | General |
| Category: UPLIZNA | ||||||
| 08/27/2022 | Horizon Therapeutics plc | UPLIZNA (Drug) | Food and Beverage | In-kind items and services | $45.45 | General |
| Category: UPLIZNA | ||||||
| 08/27/2022 | Horizon Therapeutics plc | UPLIZNA (Drug) | Food and Beverage | In-kind items and services | $45.45 | General |
| Category: UPLIZNA | ||||||
| 08/27/2022 | Horizon Therapeutics plc | UPLIZNA (Drug) | Food and Beverage | In-kind items and services | $22.73 | General |
| Category: UPLIZNA | ||||||
| 08/27/2022 | Horizon Therapeutics plc | UPLIZNA (Drug) | Food and Beverage | In-kind items and services | $22.72 | General |
| Category: UPLIZNA | ||||||
| 05/18/2022 | Merck Sharp & Dohme LLC | — | Consulting Fee | Cash or cash equivalent | $250.00 | General |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 11 | 858 | 947 | $504,160 | $78,551 |
| 2022 | 14 | 787 | 870 | $420,636 | $70,612 |
| 2021 | 15 | 811 | 953 | $121,630 | $87,900 |
| 2020 | 14 | 604 | 663 | $75,345 | $55,661 |
Total Patients
3,060
Total Services
3,433
Medicare Billing
$292,724
Procedure Codes
56
All Medicare Procedures & Services
56 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 66984 | Removal of cataract with insertion of prosthetic lens | Facility | 2023 | 42 | 52 | $232,648 | $21,859 | 9.4% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 112 | 112 | $53,312 | $13,979 | 26.2% |
| 92014 | Established patient complete exam of visual system | Office | 2023 | 126 | 143 | $48,048 | $13,584 | 28.3% |
| 92083 | Exam of visual field with extended testing | Office | 2023 | 177 | 197 | $63,763 | $9,380 | 14.7% |
| 92133 | Imaging of optic nerve | Office | 2023 | 157 | 176 | $36,612 | $4,570 | 12.5% |
| 92060 | Exam to measure eye deviation and range of motion | Office | 2023 | 81 | 92 | $20,630 | $4,442 | 21.5% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 40 | 40 | $11,436 | $3,753 | 32.8% |
| 92235 | Exam of retinal blood vessels using a special camera after injection of a dye | Office | 2023 | 30 | 31 | $16,647 | $3,223 | 19.4% |
| 92136 | Measurement of corneal curvature and depth of eye | Facility | 2023 | 45 | 55 | $8,305 | $1,306 | 15.7% |
| 92012 | Established patient problem focused exam of visual system | Office | 2023 | 17 | 18 | $4,050 | $1,237 | 30.5% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 16 | 16 | $5,168 | $1,018 | 19.7% |
| 92136 | Measurement of corneal curvature and depth of eye | Office | 2023 | 15 | 15 | $3,540 | $200.88 | 5.7% |
| 66984 | Removal of cataract with insertion of prosthetic lens | Facility | 2022 | 32 | 37 | $159,951 | $15,154 | 9.5% |
| 92014 | Established patient complete exam of visual system | Office | 2022 | 108 | 125 | $40,625 | $11,137 | 27.4% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 85 | 85 | $40,460 | $10,445 | 25.8% |
| 92083 | Exam of visual field with extended testing | Office | 2022 | 164 | 186 | $60,267 | $8,741 | 14.5% |
| 92060 | Exam to measure eye deviation and range of motion | Office | 2022 | 84 | 97 | $21,146 | $4,565 | 21.6% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 40 | 41 | $11,890 | $4,028 | 33.9% |
| 92133 | Imaging of optic nerve | Office | 2022 | 131 | 144 | $30,013 | $3,850 | 12.8% |
| 92235 | Exam of retinal blood vessels using a special camera after injection of a dye | Office | 2022 | 24 | 29 | $15,051 | $2,885 | 19.2% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2022 | 17 | 17 | $10,251 | $2,882 | 28.1% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2022 | 22 | 22 | $7,106 | $1,753 | 24.7% |
| 92004 | New patient complete exam of visual system | Office | 2022 | 13 | 13 | $4,459 | $1,589 | 35.6% |
| 92012 | Established patient problem focused exam of visual system | Office | 2022 | 20 | 22 | $4,774 | $1,525 | 31.9% |
| 92273 | Measurement of retinal and optic nerve function | Office | 2022 | 11 | 11 | $8,657 | $1,092 | 12.6% |
About John Chen, M.D., PHD
John Chen, M.D., PHD is a Internal Medicine healthcare provider based in Rochester, Minnesota. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 03/28/2009. The National Provider Identifier (NPI) number assigned to this provider is 1437391083.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, John Chen, M.D., PHD has received a total of $58,044 in payments from pharmaceutical and medical device companies, with $19,525 received in 2024. These payments were reported across 47 transactions from 10 companies. The most common payment nature is "Consulting Fee" ($33,171).
As a Medicare-enrolled provider, Chen has provided services to 3,060 Medicare beneficiaries, totaling 3,433 services with total Medicare billing of $292,724. Data is available for 4 years (2020–2023), covering 56 distinct procedure/service records.
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Practice Information
- Specialty Internal Medicine
- Other Specialties Ophthalmology, Student in an Organized Health Care Education/Training Program
- Location Rochester, MN
- Active Since 03/28/2009
- Last Updated 08/12/2020
- Taxonomy Code 207R00000X
- Entity Type Individual
- Practice Solo Practitioner
- NPI Number 1437391083
Products in Payments
- UPLIZNA (Drug) $20,447
- Rystiggo (Biological) $19,358
- Enspryng (Biological) $2,400
- UPLIZNA (Biological) $166.81
- AcrySof IQ PanOptix (Device) $102.04
- LINX Reflux Management System (Device) $65.90
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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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