Total Payments
$100,935
2024 Payments
$19,079
Companies
17
Transactions
170
Medicare Patients
1,561
Medicare Billing
$505,081
Payment Breakdown by Category
Consulting$73,137 (72.5%)
Travel$15,390 (15.2%)
Royalty/License$4,615 (4.6%)
Food & Beverage$3,894 (3.9%)
Education$2,600 (2.6%)
Other$1,300 (1.3%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $73,137 | 33 | 72.5% |
| Travel and Lodging | $15,390 | 56 | 15.2% |
| Royalty or License | $4,615 | 1 | 4.6% |
| Food and Beverage | $3,894 | 78 | 3.9% |
| Education | $2,600 | 1 | 2.6% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $1,300 | 1 | 1.3% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Orthofix Medical, Inc. | $35,807 | 40 | $0 (2023) |
| MiRus, LLC | $23,601 | 21 | $0 (2023) |
| Zavation Medical Products, LLC | $20,374 | 13 | $0 (2024) |
| Clariance, Inc. | $6,988 | 4 | $0 (2021) |
| NuVasive, Inc. | $6,620 | 50 | $0 (2023) |
| Globus Medical, Inc. | $3,780 | 8 | $0 (2024) |
| Stryker Corporation | $1,765 | 18 | $0 (2019) |
| Clariance SAS | $1,400 | 2 | $0 (2022) |
| Augmedics Inc. | $130.89 | 1 | $0 (2024) |
| DePuy Synthes Sales Inc. | $120.10 | 2 | $0 (2019) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $19,079 | 12 | Zavation Medical Products, LLC ($18,886) |
| 2023 | $5,295 | 35 | NuVasive, Inc. ($1,537) |
| 2022 | $30,422 | 34 | Orthofix Medical, Inc. ($14,820) |
| 2021 | $34,824 | 34 | Orthofix Medical, Inc. ($19,915) |
| 2020 | $7,738 | 16 | MiRus, LLC ($4,000) |
| 2019 | $1,129 | 20 | NuVasive, Inc. ($432.16) |
| 2018 | $136.70 | 1 | Globus Medical, Inc. ($136.70) |
| 2017 | $2,311 | 18 | Stryker Corporation ($1,435) |
All Payment Transactions
170 individual payment records from CMS Open Payments — Page 1 of 7
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 10/02/2024 | Zavation Medical Products, LLC | — | Consulting Fee | Cash or cash equivalent | $11,212.50 | General |
| 10/02/2024 | Zavation Medical Products, LLC | — | Consulting Fee | Cash or cash equivalent | $5,037.50 | General |
| 08/21/2024 | Augmedics Inc. | Xvision (Device), Xvision, Xvision | Food and Beverage | Cash or cash equivalent | $130.89 | General |
| Category: Medical Device | ||||||
| 06/14/2024 | Globus Medical, Inc. | XLIF (Device) | Food and Beverage | In-kind items and services | $61.72 | General |
| Category: Spine/Spine Surgery | ||||||
| 05/29/2024 | Zavation Medical Products, LLC | — | Travel and Lodging | Cash or cash equivalent | $607.50 | General |
| 05/18/2024 | Zavation Medical Products, LLC | — | Food and Beverage | Cash or cash equivalent | $264.66 | General |
| 05/07/2024 | Zavation Medical Products, LLC | — | Travel and Lodging | Cash or cash equivalent | $85.28 | General |
| 05/02/2024 | Zavation Medical Products, LLC | — | Travel and Lodging | Cash or cash equivalent | $106.00 | General |
| 05/02/2024 | Zavation Medical Products, LLC | — | Travel and Lodging | Cash or cash equivalent | $89.00 | General |
| 04/17/2024 | Zavation Medical Products, LLC | — | Travel and Lodging | Cash or cash equivalent | $368.95 | General |
| 04/17/2024 | Zavation Medical Products, LLC | — | Travel and Lodging | Cash or cash equivalent | $51.00 | General |
| 03/11/2024 | Zavation Medical Products, LLC | — | Travel and Lodging | Cash or cash equivalent | $1,063.97 | General |
| 12/02/2023 | Zavation Medical Products, LLC | — | Food and Beverage | Cash or cash equivalent | $25.67 | General |
| 12/01/2023 | Zavation Medical Products, LLC | — | Travel and Lodging | Cash or cash equivalent | $381.31 | General |
| 11/14/2023 | Zavation Medical Products, LLC | — | Travel and Lodging | Cash or cash equivalent | $1,080.96 | General |
| 11/09/2023 | NuVasive, Inc. | AttraX (Device) | Food and Beverage | In-kind items and services | $31.81 | General |
| Category: Spine/Spine Surgery | ||||||
| 05/14/2023 | NuVasive, Inc. | XLIF (Device), Pulse | Travel and Lodging | In-kind items and services | $158.00 | General |
| Category: Spine/Spine Surgery | ||||||
| 05/14/2023 | NuVasive, Inc. | Pulse (Device), XLIF | Travel and Lodging | In-kind items and services | $150.00 | General |
| Category: Spine/Spine Surgery | ||||||
| 05/14/2023 | NuVasive, Inc. | Pulse (Device), XLIF | Travel and Lodging | In-kind items and services | $150.00 | General |
| Category: Spine/Spine Surgery | ||||||
| 05/14/2023 | NuVasive, Inc. | XLIF (Device) | Travel and Lodging | In-kind items and services | $43.50 | General |
| Category: Spine/Spine Surgery | ||||||
| 05/05/2023 | NuVasive, Inc. | Modulus (Device) | Food and Beverage | In-kind items and services | $14.16 | General |
| Category: Spine/Spine Surgery | ||||||
| 05/05/2023 | NuVasive, Inc. | Modulus (Device) | Food and Beverage | In-kind items and services | $13.31 | General |
| Category: Spine/Spine Surgery | ||||||
| 05/04/2023 | NuVasive, Inc. | AttraX (Device) | Food and Beverage | In-kind items and services | $118.01 | General |
| Category: Spine/Spine Surgery | ||||||
| 05/04/2023 | NuVasive, Inc. | — | Food and Beverage | In-kind items and services | $16.41 | General |
| 05/02/2023 | NuVasive, Inc. | XLIF (Device), Pulse | Travel and Lodging | In-kind items and services | $140.03 | General |
| Category: Spine/Spine Surgery | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 10 | 264 | 322 | $648,838 | $66,391 |
| 2022 | 18 | 435 | 527 | $1.4M | $164,805 |
| 2021 | 19 | 498 | 594 | $1.6M | $183,396 |
| 2020 | 16 | 364 | 452 | $824,089 | $90,489 |
Total Patients
1,561
Total Services
1,895
Medicare Billing
$505,081
Procedure Codes
63
All Medicare Procedures & Services
63 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 22614 | Fusion of additional segment of spine | Facility | 2023 | 19 | 67 | $171,922 | $20,778 | 12.1% |
| 22842 | Placement of stabilizing device to back, 3-6 spine bone segments | Facility | 2023 | 17 | 17 | $208,454 | $10,296 | 4.9% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 77 | 77 | $58,905 | $10,234 | 17.4% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2023 | 56 | 64 | $45,317 | $8,696 | 19.2% |
| 22845 | Placement of stabilizing device to front, 2-3 spine bone segments | Facility | 2023 | 11 | 11 | $105,611 | $6,335 | 6.0% |
| 22853 | Insertion of cage or mesh device to spine bone and disc space during spine fusion | Facility | 2023 | 17 | 19 | $25,175 | $3,892 | 15.5% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 15 | 15 | $11,234 | $2,035 | 18.1% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 18 | 18 | $9,540 | $1,945 | 20.4% |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Facility | 2023 | 22 | 22 | $8,492 | $1,507 | 17.8% |
| 20939 | Aspiration of bone marrow for spine bone graft | Facility | 2023 | 12 | 12 | $4,188 | $671.88 | 16.0% |
| 22633 | Fusion of spine in lower back with partial removal of spine bone and disc | Facility | 2022 | 26 | 26 | $204,622 | $38,552 | 18.8% |
| 22614 | Fusion of additional segment of spine | Facility | 2022 | 25 | 89 | $228,374 | $27,816 | 12.2% |
| 63047 | Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | Facility | 2022 | 27 | 28 | $194,628 | $16,241 | 8.3% |
| 22842 | Placement of stabilizing device to back, 3-6 spine bone segments | Facility | 2022 | 22 | 22 | $269,764 | $13,444 | 5.0% |
| 22840 | Placement of stabilizing device to back of 1 spine bone in neck | Facility | 2022 | 19 | 19 | $122,037 | $11,537 | 9.5% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 77 | 77 | $44,009 | $9,785 | 22.2% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2022 | 58 | 68 | $32,424 | $9,571 | 29.5% |
| 22214 | Incision or removal of lower spine bone segment | Facility | 2022 | 11 | 11 | $74,118 | $6,850 | 9.2% |
| 63042 | Partial removal of spine bone with re-exploration, release of lower spinal cord or nerves and/or removal of disc, 1 interspace | Facility | 2022 | 11 | 11 | $91,531 | $6,108 | 6.7% |
| 22853 | Insertion of cage or mesh device to spine bone and disc space during spine fusion | Facility | 2022 | 25 | 26 | $34,450 | $5,351 | 15.5% |
| 22830 | Exploration of spine fusion | Facility | 2022 | 12 | 12 | $58,152 | $4,067 | 7.0% |
| 63048 | Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment | Facility | 2022 | 11 | 24 | $40,296 | $4,060 | 10.1% |
| 99222 | Initial hospital inpatient care per day, typically 50 minutes | Facility | 2022 | 22 | 25 | $13,250 | $2,779 | 21.0% |
| 99223 | Initial hospital inpatient care per day, typically 70 minutes | Facility | 2022 | 14 | 14 | $9,431 | $2,231 | 23.7% |
| 20939 | Aspiration of bone marrow for spine bone graft | Facility | 2022 | 33 | 33 | $11,517 | $1,843 | 16.0% |
About Yi-Ren Chen, MD, MPH
Yi-Ren Chen, MD, MPH is a Neurological Surgery healthcare provider based in Sacramento, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 04/11/2012. The National Provider Identifier (NPI) number assigned to this provider is 1114284478.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Yi-Ren Chen, MD, MPH has received a total of $100,935 in payments from pharmaceutical and medical device companies, with $19,079 received in 2024. These payments were reported across 170 transactions from 17 companies. The most common payment nature is "Consulting Fee" ($73,137).
As a Medicare-enrolled provider, Chen has provided services to 1,561 Medicare beneficiaries, totaling 1,895 services with total Medicare billing of $505,081. Data is available for 4 years (2020–2023), covering 63 distinct procedure/service records.
Ad
Practice Information
- Specialty Neurological Surgery
- Location Sacramento, CA
- Active Since 04/11/2012
- Last Updated 07/25/2019
- Taxonomy Code 207T00000X
- Entity Type Individual
- Practice Solo Practitioner
- NPI Number 1114284478
Products in Payments
- EUROPA Pedicle Screw System (Device) $23,601
- ASCENT;ASCENT LE;FIREBIRD SFS;ICON SFS;SFS (Device) $20,631
- CENTURION (Device) $14,002
- RISE (Device) $3,286
- Erisma-LP (Device) $3,088
- Pulse (Device) $1,290
- XLIF (Device) $1,177
- 7D Surgical System (Device) $943.36
- ES2 (Device) $817.15
- Tritanium (Device) $520.24
- FORTIFY (Device) $260.85
- VuePoint (Device) $154.59
- AttraX (Device) $149.82
- Excelsius - GPS (Device) $136.70
- Xvision (Device) $130.89
- MEDICAL MODELS (Device) $128.84
- TRITANIUM (Device) $117.40
- MOUNTAINEER (Device) $103.44
- M6-C (Device) $101.96
- Neuro Fixation (Device) $98.05
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.
Neurological Surgery Doctors in Sacramento
Dr. Kee Kim, M.d, M.D
Neurological Surgery — Payments: $1.0M
Neurological Surgery $1.0M
Dr. Ben Waldau, M.d, M.D
Neurological Surgery — Payments: $103,449
Neurological Surgery $103,449
Branden Cord, Md, Phd, MD, PHD
Neurological Surgery — Payments: $91,304
Neurological Surgery $91,304
Dr. Richard Price, M.d., Ph.d, M.D., PH.D
Neurological Surgery — Payments: $88,922
Neurological Surgery $88,922
Dr. Rudolph Schrot, M.d, M.D
Neurological Surgery — Payments: $51,994
Neurological Surgery $51,994
Dr. Orin Bloch, M.d, M.D
Neurological Surgery — Payments: $46,071
Neurological Surgery $46,071