Total Payments
$8,973
2024 Payments
$7,162
Companies
15
Transactions
44
Medicare Patients
4,281
Medicare Billing
$775,126
Payment Breakdown by Category
Consulting$7,137 (79.5%)
Food & Beverage$885.87 (9.9%)
Education$490.00 (5.5%)
Other$460.00 (5.1%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $7,137 | 2 | 79.5% |
| Food and Beverage | $885.87 | 28 | 9.9% |
| Education | $490.00 | 1 | 5.5% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $460.00 | 12 | 5.1% |
| Unspecified | $0 | 1 | 0.0% |
Payments by Type
General
$8,973
43 transactions
Ownership
$0
1 transactions
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Pharmacosmos Therapeutics Inc. | $7,137 | 2 | $0 (2024) |
| Titan Surgical Group, LLC | $490.00 | 1 | $0 (2018) |
| SANOFI-AVENTIS U.S. LLC | $460.00 | 12 | $0 (2017) |
| Shockwave Medical, Inc | $300.72 | 10 | $0 (2022) |
| Stryker Corporation | $195.11 | 5 | $0 (2020) |
| Johnson & Johnson Health Care Systems Inc. | $79.03 | 2 | $0 (2017) |
| PFIZER INC. | $70.61 | 3 | $0 (2019) |
| AXOGEN | $61.74 | 1 | $0 (2023) |
| ABBVIE INC. | $44.34 | 2 | $0 (2024) |
| DePuy Synthes Sales Inc. | $41.87 | 1 | $0 (2018) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $7,162 | 3 | Pharmacosmos Therapeutics Inc. ($7,137) |
| 2023 | $94.16 | 2 | AXOGEN ($61.74) |
| 2022 | $142.20 | 7 | Shockwave Medical, Inc ($122.46) |
| 2021 | $178.26 | 4 | Shockwave Medical, Inc ($178.26) |
| 2020 | $35.51 | 1 | Stryker Corporation ($35.51) |
| 2019 | $211.96 | 6 | Stryker Corporation ($159.60) |
| 2018 | $572.82 | 4 | Titan Surgical Group, LLC ($490.00) |
| 2017 | $576.36 | 17 | SANOFI-AVENTIS U.S. LLC ($460.00) |
All Payment Transactions
44 individual payment records from CMS Open Payments — Page 1 of 2
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 09/25/2024 | Pharmacosmos Therapeutics Inc. | MONOFERRIC (Drug) | Consulting Fee | In-kind items and services | $1,647.00 | General |
| Category: HEMATOLOGY | ||||||
| 05/21/2024 | Pharmacosmos Therapeutics Inc. | MONOFERRIC (Drug) | Consulting Fee | In-kind items and services | $5,490.00 | General |
| Category: HEMATOLOGY | ||||||
| 02/03/2024 | ABBVIE INC. | QULIPTA (Drug), UBRELVY | Food and Beverage | In-kind items and services | $24.60 | General |
| Category: NEUROSCIENCE | ||||||
| 06/20/2023 | AXOGEN | Avance Nerve Graft (Device) | Food and Beverage | Cash or cash equivalent | $61.74 | General |
| Category: Neurology | ||||||
| 04/21/2023 | Avanos Medical | ON-Q* PUMP AND ACCESSORIES (Device) | Food and Beverage | In-kind items and services | $32.42 | General |
| Category: SURGICAL PAIN | ||||||
| 08/25/2022 | ABBVIE INC. | UBRELVY (Drug) | Food and Beverage | In-kind items and services | $19.74 | General |
| Category: NEUROSCIENCE | ||||||
| 06/15/2022 | Shockwave Medical, Inc | SHOCKWAVE IVL SYSTEM WITH THE SHOCKWAVE C2 CORONARY IVL CATHETER (Device) | Food and Beverage | In-kind items and services | $60.63 | General |
| Category: Lithoplasty | ||||||
| 06/13/2022 | Shockwave Medical, Inc | SHOCKWAVE IVL SYSTEM WITH THE SHOCKWAVE C2 CORONARY IVL CATHETER (Device) | Food and Beverage | In-kind items and services | $10.90 | General |
| Category: Lithoplasty | ||||||
| 04/21/2022 | Shockwave Medical, Inc | SHOCKWAVE IVL SYSTEM WITH THE SHOCKWAVE C2 CORONARY IVL CATHETER (Device) | Food and Beverage | In-kind items and services | $17.43 | General |
| Category: Lithoplasty | ||||||
| 03/29/2022 | Shockwave Medical, Inc | SHOCKWAVE IVL SYSTEM WITH THE SHOCKWAVE C2 CORONARY IVL CATHETER (Device) | Food and Beverage | In-kind items and services | $9.62 | General |
| Category: Lithoplasty | ||||||
| 02/14/2022 | Shockwave Medical, Inc | SHOCKWAVE IVL SYSTEM WITH THE SHOCKWAVE C2 CORONARY IVL CATHETER (Device) | Food and Beverage | In-kind items and services | $14.41 | General |
| Category: Lithoplasty | ||||||
| 02/07/2022 | Shockwave Medical, Inc | SHOCKWAVE IVL SYSTEM WITH THE SHOCKWAVE C2 CORONARY IVL CATHETER (Device) | Food and Beverage | In-kind items and services | $9.47 | General |
| Category: Lithoplasty | ||||||
| 09/14/2021 | Shockwave Medical, Inc | Vascular Lithotripsy (Device) | Food and Beverage | In-kind items and services | $13.55 | General |
| Category: Lithoplasty | ||||||
| 09/03/2021 | Shockwave Medical, Inc | Vascular Lithotripsy (Device) | Food and Beverage | In-kind items and services | $75.46 | General |
| Category: Lithoplasty | ||||||
| 08/12/2021 | Shockwave Medical, Inc | Vascular Lithotripsy (Device) | Food and Beverage | In-kind items and services | $85.06 | General |
| Category: Lithoplasty | ||||||
| 07/30/2021 | Shockwave Medical, Inc | Vascular Lithotripsy (Device) | Food and Beverage | In-kind items and services | $4.19 | General |
| Category: Lithoplasty | ||||||
| 12/11/2020 | Stryker Corporation | SAGE M2 MICROCLIMATE BODY PADS (Device) | Food and Beverage | Cash or cash equivalent | $35.51 | General |
| Category: MEDICAL | ||||||
| 12/17/2019 | Bioventus LLC | Durolane (Device) | Food and Beverage | In-kind items and services | $27.38 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 11/23/2019 | Stryker Corporation | REUNION (Device) | Food and Beverage | Cash or cash equivalent | $38.20 | General |
| Category: TRAUMA & EXTREMETIES | ||||||
| 11/23/2019 | Stryker Corporation | REUNION (Device) | Food and Beverage | Cash or cash equivalent | $22.41 | General |
| Category: TRAUMA & EXTREMETIES | ||||||
| 10/17/2019 | Stryker Corporation | TRIDENT (Device), ACCOLADE | Food and Beverage | Cash or cash equivalent | $52.01 | General |
| Category: HIPS | ||||||
| 08/29/2019 | Stryker Corporation | ACCOLADE (Device) | Food and Beverage | Cash or cash equivalent | $46.98 | General |
| Category: HIPS | ||||||
| 05/30/2019 | PFIZER INC. | ELIQUIS (Drug) | Food and Beverage | In-kind items and services | $24.98 | General |
| Category: CARDIOVASCULAR;METABOLIC DISEASE | ||||||
| 08/29/2018 | Titan Surgical Group, LLC | — | Education | In-kind items and services | $490.00 | General |
| 04/04/2018 | Abbott Laboratories | Proclaim Family of SCS IPGs (Device) | Food and Beverage | In-kind items and services | $20.72 | General |
| Category: Cardiac Arrhythmias and Heart Failure | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 12 | 1,142 | 1,449 | $892,977 | $211,180 |
| 2022 | 11 | 1,153 | 1,528 | $898,504 | $227,189 |
| 2021 | 11 | 1,119 | 1,429 | $731,930 | $202,574 |
| 2020 | 10 | 867 | 1,133 | $521,344 | $134,183 |
Total Patients
4,281
Total Services
5,539
Medicare Billing
$775,126
Procedure Codes
44
All Medicare Procedures & Services
44 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 27130 | Replacement of thigh bone and hip joint with prosthesis | Facility | 2023 | 45 | 47 | $289,000 | $54,182 | 18.7% |
| 27447 | Replacement of knee joint, both sides of knee | Facility | 2023 | 42 | 43 | $279,875 | $49,519 | 17.7% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 402 | 526 | $63,120 | $39,071 | 61.9% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 221 | 221 | $66,300 | $30,292 | 45.7% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 152 | 177 | $32,745 | $18,880 | 57.7% |
| 20985 | Computer-assisted surgery for muscle and bone procedure | Facility | 2023 | 80 | 83 | $124,500 | $10,382 | 8.3% |
| 20610 | Aspiration and/or injection of fluid from large joint | Office | 2023 | 51 | 73 | $17,033 | $4,784 | 28.1% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2023 | 16 | 16 | $6,080 | $3,065 | 50.4% |
| 76000 | Imaging guidance for procedure, 60 minutes or less | Facility | 2023 | 46 | 49 | $8,845 | $660.52 | 7.5% |
| J0702 | Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | Office | 2023 | 27 | 63 | $1,890 | $334.05 | 17.7% |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | Office | 2023 | 21 | 104 | $3,120 | $10.02 | 0.3% |
| J2001 | Injection, lidocaine hcl for intravenous infusion, 10 mg | Office | 2023 | 39 | 47 | $470.00 | $0.94 | 0.2% |
| 27130 | Replacement of thigh bone and hip joint with prosthesis | Facility | 2022 | 67 | 69 | $391,575 | $78,606 | 20.1% |
| 27447 | Replacement of knee joint, both sides of knee | Facility | 2022 | 38 | 39 | $238,875 | $44,729 | 18.7% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 390 | 585 | $70,200 | $44,440 | 63.3% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 215 | 215 | $64,500 | $30,028 | 46.6% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 121 | 137 | $25,345 | $13,450 | 53.1% |
| 20610 | Aspiration and/or injection of fluid from large joint | Office | 2022 | 68 | 94 | $21,052 | $5,915 | 28.1% |
| 20985 | Computer-assisted surgery for muscle and bone procedure | Facility | 2022 | 40 | 41 | $61,500 | $5,158 | 8.4% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2022 | 16 | 16 | $6,080 | $2,974 | 48.9% |
| 76000 | Imaging guidance for procedure, 60 minutes or less | Facility | 2022 | 70 | 74 | $13,357 | $987.27 | 7.4% |
| J0702 | Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | Office | 2022 | 64 | 172 | $5,160 | $899.10 | 17.4% |
| J2001 | Injection, lidocaine hcl for intravenous infusion, 10 mg | Office | 2022 | 64 | 86 | $860.00 | $1.70 | 0.2% |
| 27130 | Replacement of thigh bone and hip joint prosthesis | Facility | 2021 | 48 | 51 | $289,425 | $59,840 | 20.7% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Office | 2021 | 395 | 545 | $65,400 | $43,676 | 66.8% |
About Dr. Christopher Chen, MD
Dr. Christopher Chen, MD is a Adult Reconstructive Orthopaedic Surgery healthcare provider based in Berkeley, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 10/19/2005. The National Provider Identifier (NPI) number assigned to this provider is 1396734505.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Christopher Chen, MD has received a total of $8,973 in payments from pharmaceutical and medical device companies, with $7,162 received in 2024. These payments were reported across 44 transactions from 15 companies. The most common payment nature is "Consulting Fee" ($7,137).
As a Medicare-enrolled provider, Chen has provided services to 4,281 Medicare beneficiaries, totaling 5,539 services with total Medicare billing of $775,126. Data is available for 4 years (2020–2023), covering 44 distinct procedure/service records.
Ad
Practice Information
- Specialty Adult Reconstructive Orthopaedic Surgery
- Location Berkeley, CA
- Active Since 10/19/2005
- Last Updated 07/08/2007
- Taxonomy Code 207XS0114X
- Entity Type Individual
- Practice Solo Practitioner
- NPI Number 1396734505
Products in Payments
- MONOFERRIC (Drug) $7,137
- SYNVISC-ONE (Device) $460.00
- Vascular Lithotripsy (Device) $178.26
- SHOCKWAVE IVL SYSTEM WITH THE SHOCKWAVE C2 CORONARY IVL CATHETER (Device) $122.46
- ATTUNE (Device) $79.03
- ELIQUIS (Drug) $70.61
- Avance Nerve Graft (Device) $61.74
- REUNION (Device) $60.61
- TRIDENT (Device) $52.01
- ACCOLADE (Device) $46.98
- SAGE M2 MICROCLIMATE BODY PADS (Device) $35.51
- ON-Q* PUMP AND ACCESSORIES (Device) $32.42
- Durolane (Device) $27.38
- QULIPTA (Drug) $24.60
- Proclaim Family of SCS IPGs (Device) $20.72
- UBRELVY (Drug) $19.74
- MYSTIM (Device) $11.93
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.