Total Payments
$260,278
2024 Payments
$88,028
Companies
9
Transactions
238
Medicare Patients
5,813
Medicare Billing
$1.1M
Payment Breakdown by Category
Consulting$189,452 (72.8%)
Travel$43,707 (16.8%)
Other$20,625 (7.9%)
Food & Beverage$6,494 (2.5%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $189,452 | 45 | 72.8% |
| Travel and Lodging | $43,707 | 107 | 16.8% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $20,625 | 2 | 7.9% |
| Food and Beverage | $6,494 | 84 | 2.5% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Stryker Corporation | $201,032 | 188 | $0 (2024) |
| Smith+Nephew, Inc. | $29,968 | 16 | $0 (2022) |
| Medical Device Business Services, Inc. | $16,676 | 10 | $0 (2023) |
| DePuy Synthes Products, Inc. | $7,550 | 9 | $0 (2019) |
| Conformis, Inc. | $3,776 | 4 | $0 (2018) |
| Zimmer Biomet Holdings, Inc. | $882.93 | 8 | $0 (2023) |
| Innovation Technologies Inc | $154.92 | 1 | $0 (2023) |
| Medtronic, Inc. | $128.87 | 1 | $0 (2023) |
| DJO, LLC | $110.57 | 1 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $88,028 | 70 | Stryker Corporation ($87,917) |
| 2023 | $73,391 | 66 | Stryker Corporation ($69,635) |
| 2022 | $35,423 | 32 | Stryker Corporation ($32,079) |
| 2021 | $9,087 | 16 | Stryker Corporation ($8,769) |
| 2020 | $4,834 | 3 | Medical Device Business Services, Inc. ($4,834) |
| 2019 | $38,119 | 28 | Smith+Nephew, Inc. ($28,938) |
| 2018 | $10,836 | 19 | Medical Device Business Services, Inc. ($5,625) |
| 2017 | $560.23 | 4 | Stryker Corporation ($289.44) |
All Payment Transactions
238 individual payment records from CMS Open Payments — Page 1 of 10
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 11/29/2024 | Stryker Corporation | MAKO (Device) | Travel and Lodging | Cash or cash equivalent | $310.15 | General |
| Category: KNEES, HIPS | ||||||
| 11/29/2024 | Stryker Corporation | MAKO (Device) | Travel and Lodging | Cash or cash equivalent | $249.09 | General |
| Category: KNEES, HIPS | ||||||
| 11/26/2024 | Stryker Corporation | MAKO (Device) | Travel and Lodging | Cash or cash equivalent | $229.92 | General |
| Category: KNEES, HIPS | ||||||
| 11/25/2024 | Stryker Corporation | MAKO (Device) | Travel and Lodging | Cash or cash equivalent | $216.87 | General |
| Category: KNEES, HIPS | ||||||
| 11/25/2024 | Stryker Corporation | MAKO (Device) | Travel and Lodging | Cash or cash equivalent | $190.81 | General |
| Category: KNEES, HIPS | ||||||
| 11/21/2024 | Stryker Corporation | TRIDENT (Device) | Food and Beverage | In-kind items and services | $41.78 | General |
| Category: HIPS | ||||||
| 11/15/2024 | Stryker Corporation | TRIDENT (Device) | Food and Beverage | In-kind items and services | $30.90 | General |
| Category: HIPS | ||||||
| 10/14/2024 | Stryker Corporation | MAKO (Device) | Travel and Lodging | Cash or cash equivalent | $1,110.77 | General |
| Category: KNEES, HIPS | ||||||
| 10/13/2024 | DJO, LLC | CMF (Device) | Food and Beverage | In-kind items and services | $110.57 | General |
| Category: Osteogenesis Stimulators | ||||||
| 10/04/2024 | Stryker Corporation | TRIDENT (Device) | Consulting Fee | Cash or cash equivalent | $412.50 | General |
| Category: HIPS | ||||||
| 08/28/2024 | Stryker Corporation | MAKO (Device), INSIGNIA | Consulting Fee | Cash or cash equivalent | $8,800.00 | General |
| Category: KNEES, HIPS | ||||||
| 08/28/2024 | Stryker Corporation | MAKO (Device), INSIGNIA | Consulting Fee | Cash or cash equivalent | $4,675.00 | General |
| Category: KNEES, HIPS | ||||||
| 08/28/2024 | Stryker Corporation | MAKO (Device), INSIGNIA | Travel and Lodging | Cash or cash equivalent | $192.10 | General |
| Category: KNEES, HIPS | ||||||
| 08/23/2024 | Stryker Corporation | AEQUALIS (Device), MAKO | Consulting Fee | Cash or cash equivalent | $12,650.00 | General |
| Category: TRAUMA & EXTREMITIES | ||||||
| 08/23/2024 | Stryker Corporation | MAKO (Device), AEQUALIS | Travel and Lodging | Cash or cash equivalent | $17.94 | General |
| Category: KNEES, HIPS | ||||||
| 08/22/2024 | Stryker Corporation | MAKO (Device) | Travel and Lodging | Cash or cash equivalent | $301.00 | General |
| Category: KNEES, HIPS | ||||||
| 08/22/2024 | Stryker Corporation | MAKO (Device) | Travel and Lodging | Cash or cash equivalent | $252.16 | General |
| Category: KNEES, HIPS | ||||||
| 08/19/2024 | Stryker Corporation | MAKO (Device) | Travel and Lodging | Cash or cash equivalent | $242.19 | General |
| Category: KNEES, HIPS | ||||||
| 08/19/2024 | Stryker Corporation | MAKO (Device) | Travel and Lodging | Cash or cash equivalent | $225.04 | General |
| Category: KNEES, HIPS | ||||||
| 08/19/2024 | Stryker Corporation | MAKO (Device) | Travel and Lodging | Cash or cash equivalent | $195.70 | General |
| Category: KNEES, HIPS | ||||||
| 08/19/2024 | Stryker Corporation | MAKO (Device) | Travel and Lodging | Cash or cash equivalent | $182.56 | General |
| Category: KNEES, HIPS | ||||||
| 08/19/2024 | Stryker Corporation | MAKO (Device) | Travel and Lodging | Cash or cash equivalent | $139.60 | General |
| Category: KNEES, HIPS | ||||||
| 08/19/2024 | Stryker Corporation | MAKO (Device) | Food and Beverage | In-kind items and services | $79.88 | General |
| Category: KNEES, HIPS | ||||||
| 08/19/2024 | Stryker Corporation | MAKO (Device) | Food and Beverage | In-kind items and services | $17.08 | General |
| Category: KNEES, HIPS | ||||||
| 08/08/2024 | Stryker Corporation | MAKO (Device) | Food and Beverage | In-kind items and services | $151.43 | General |
| Category: KNEES, HIPS | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 15 | 1,914 | 3,424 | $4.5M | $345,816 |
| 2022 | 15 | 1,579 | 2,717 | $3.9M | $317,894 |
| 2021 | 15 | 1,337 | 2,397 | $3.4M | $284,231 |
| 2020 | 13 | 983 | 1,335 | $1.4M | $175,219 |
Total Patients
5,813
Total Services
9,873
Medicare Billing
$1.1M
Procedure Codes
58
All Medicare Procedures & Services
58 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 27447 | Replacement of knee joint, both sides of knee | Facility | 2023 | 80 | 85 | $2.1M | $103,103 | 4.9% |
| 27130 | Replacement of thigh bone and hip joint with prosthesis | Facility | 2023 | 59 | 60 | $1.5M | $72,353 | 4.8% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 430 | 566 | $164,140 | $42,693 | 26.0% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 243 | 243 | $160,380 | $33,487 | 20.9% |
| J7326 | Hyaluronan or derivative, gel-one, for intra-articular injection, per dose | Office | 2023 | 47 | 70 | $111,648 | $28,404 | 25.4% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 128 | 136 | $58,480 | $14,753 | 25.2% |
| 73564 | X-ray of knee, 4 or more views | Office | 2023 | 223 | 234 | $78,649 | $14,525 | 18.5% |
| 20610 | Aspiration and/or injection of fluid from large joint | Office | 2023 | 130 | 149 | $83,750 | $9,434 | 11.3% |
| 73502 | X-ray of hip, 2-3 views | Office | 2023 | 137 | 165 | $40,425 | $6,989 | 17.3% |
| 20611 | Aspiration and/or injection of fluid large joint using ultrasound guidance | Office | 2023 | 56 | 59 | $93,331 | $5,786 | 6.2% |
| 73562 | X-ray of knee, 3 views | Office | 2023 | 83 | 103 | $25,725 | $4,823 | 18.7% |
| 72170 | X-ray of pelvis, 1-2 views | Office | 2023 | 102 | 142 | $27,122 | $3,538 | 13.0% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 37 | 37 | $16,280 | $3,497 | 21.5% |
| 73522 | X-ray of both hips, 3-4 views | Office | 2023 | 27 | 27 | $4,590 | $1,333 | 29.0% |
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Office | 2023 | 132 | 1,348 | $20,220 | $1,098 | 5.4% |
| 27130 | Replacement of thigh bone and hip joint with prosthesis | Facility | 2022 | 64 | 68 | $1.7M | $87,134 | 5.1% |
| 27447 | Replacement of knee joint, both sides of knee | Facility | 2022 | 54 | 58 | $1.5M | $74,099 | 5.1% |
| J7326 | Hyaluronan or derivative, gel-one, for intra-articular injection, per dose | Office | 2022 | 38 | 55 | $87,723 | $35,192 | 40.1% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 236 | 236 | $155,760 | $34,986 | 22.5% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 325 | 433 | $125,570 | $32,962 | 26.2% |
| 73564 | X-ray of knee, 4 or more views | Office | 2022 | 185 | 204 | $55,080 | $12,259 | 22.3% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 89 | 97 | $41,710 | $10,462 | 25.1% |
| 20610 | Aspiration and/or injection of fluid from large joint | Office | 2022 | 107 | 129 | $75,000 | $8,771 | 11.7% |
| 73502 | X-ray of hip, 2-3 views | Office | 2022 | 107 | 127 | $31,115 | $5,468 | 17.6% |
| 73562 | X-ray of knee, 3 views | Office | 2022 | 79 | 101 | $23,205 | $4,543 | 19.6% |
About Dr. Darwin Chen, MD
Dr. Darwin Chen, MD is a Orthopaedic Surgery healthcare provider based in New York, New York. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 05/23/2008. The National Provider Identifier (NPI) number assigned to this provider is 1295993517.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Darwin Chen, MD has received a total of $260,278 in payments from pharmaceutical and medical device companies, with $88,028 received in 2024. These payments were reported across 238 transactions from 9 companies. The most common payment nature is "Consulting Fee" ($189,452).
As a Medicare-enrolled provider, Chen has provided services to 5,813 Medicare beneficiaries, totaling 9,873 services with total Medicare billing of $1.1M. Data is available for 4 years (2020–2023), covering 58 distinct procedure/service records.
Ad
Practice Information
- Specialty Orthopaedic Surgery
- Location New York, NY
- Active Since 05/23/2008
- Last Updated 07/03/2023
- Taxonomy Code 207X00000X
- Entity Type Individual
- NPI Number 1295993517
Products in Payments
- MAKO (Device) $127,729
- ACCOLADE (Device) $23,927
- AEQUALIS (Device) $18,851
- POLARSTEM (Device) $17,364
- INSIGNIA (Device) $11,509
- ACTIS (Device) $10,875
- POLARCUP (Device) $10,719
- TRIDENT (Device) $6,292
- Hip (Device) $3,505
- EZOUT (Device) $2,940
- PINNACLE (Device) $1,199
- GMRS (Device) $750.00
- Anthology (Device) $672.76
- REDAPT (Device) $510.08
- Avenir (Device) $377.99
- ASCENTIAL ACP 1 (Device) $250.00
- REDAPT Revision Hip System (Device) $198.06
- Legion Revision (Device) $168.94
- IRRISEPT (Device) $154.92
- iTotal CR (Device) $151.07
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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