Total Payments
$385.28
2019 Payments
$141.16
Companies
7
Transactions
9
Medicare Patients
579
Medicare Billing
$60,223
Payment Breakdown by Category
Food & Beverage$385.28 (100.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $385.28 | 9 | 100.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Grifols USA, LLC | $137.80 | 1 | $0 (2017) |
| Alexion Pharmaceuticals, Inc. | $125.25 | 1 | $0 (2019) |
| Sunovion Pharmaceuticals Inc. | $36.08 | 2 | $0 (2018) |
| CSL Behring | $28.88 | 2 | $0 (2018) |
| Lundbeck LLC | $22.17 | 1 | $0 (2018) |
| Novartis Pharmaceuticals Corporation | $19.19 | 1 | $0 (2018) |
| EISAI INC. | $15.91 | 1 | $0 (2019) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2019 | $141.16 | 2 | Alexion Pharmaceuticals, Inc. ($125.25) |
| 2018 | $106.32 | 6 | Sunovion Pharmaceuticals Inc. ($36.08) |
| 2017 | $137.80 | 1 | Grifols USA, LLC ($137.80) |
All Payment Transactions
9 individual payment records from CMS Open Payments
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 11/21/2019 | EISAI INC. | Fycompa (Drug) | Food and Beverage | Cash or cash equivalent | $15.91 | General |
| Category: Neurology | ||||||
| 10/30/2019 | Alexion Pharmaceuticals, Inc. | — | Food and Beverage | In-kind items and services | $125.25 | General |
| 11/13/2018 | CSL Behring | Hizentra (Biological) | Food and Beverage | In-kind items and services | $13.53 | General |
| Category: Immunology | ||||||
| 11/08/2018 | CSL Behring | Hizentra (Biological) | Food and Beverage | In-kind items and services | $15.35 | General |
| Category: Immunology | ||||||
| 09/25/2018 | Lundbeck LLC | ONFI (Drug) | Food and Beverage | Cash or cash equivalent | $22.17 | General |
| Category: NEUROLOGY | ||||||
| 09/20/2018 | Novartis Pharmaceuticals Corporation | AFINITOR (Drug) | Food and Beverage | In-kind items and services | $19.19 | General |
| Category: ONCOLOGY | ||||||
| 07/19/2018 | Sunovion Pharmaceuticals Inc. | APTIOM (Drug) | Food and Beverage | In-kind items and services | $20.18 | General |
| Category: CNS | ||||||
| 06/28/2018 | Sunovion Pharmaceuticals Inc. | APTIOM (Drug) | Food and Beverage | In-kind items and services | $15.90 | General |
| Category: CNS | ||||||
| 05/25/2017 | Grifols USA, LLC | Gamunex-C (Biological) | Food and Beverage | In-kind items and services | $137.80 | General |
| Category: Immunology and Neurology | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 9 | 288 | 641 | $1.4M | $20,826 |
| 2022 | 6 | 167 | 603 | $298,516 | $20,119 |
| 2021 | 5 | 124 | 561 | $85,534 | $19,278 |
Total Patients
579
Total Services
1,805
Medicare Billing
$60,223
Procedure Codes
20
All Medicare Procedures & Services
20 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| G0453 | Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) | Facility | 2023 | 73 | 414 | $477,140 | $10,348 | 2.2% |
| 95938 | Placement of skin electrodes and measurement of stimulated sites on arms and legs | Facility | 2023 | 66 | 66 | $337,777 | $2,323 | 0.7% |
| 95939 | Placement of skin electrodes and measurement of central motor stimulation in arms and legs | Facility | 2023 | 22 | 22 | $137,455 | $2,032 | 1.5% |
| 95861 | Needle measurement of electrical activity in arm or leg muscles, 2 extremities | Facility | 2023 | 31 | 31 | $78,830 | $1,961 | 2.5% |
| 95868 | Needle measurement of electrical activity in muscles on both sides of body | Facility | 2023 | 23 | 23 | $49,910 | $1,112 | 2.2% |
| 95813 | Measurement of brain wave activity (eeg), 61-119 minutes | Facility | 2023 | 14 | 14 | $114,576 | $938.56 | 0.8% |
| 95886 | Needle measurement of electrical activity in arm or leg muscles, complete study | Facility | 2023 | 12 | 24 | $60,480 | $841.80 | 1.4% |
| 95927 | Placement of skin electrodes and measurement of stimulated sites in trunk or head | Facility | 2023 | 35 | 35 | $102,550 | $738.51 | 0.7% |
| 95812 | Measurement of brain wave activity (eeg), 41-60 minutes | Facility | 2023 | 12 | 12 | $65,472 | $531.60 | 0.8% |
| G0453 | Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) | Facility | 2022 | 45 | 481 | $152,155 | $13,152 | 8.6% |
| 95939 | Placement of skin electrodes and measurement of central motor stimulation in arms and legs | Facility | 2022 | 23 | 23 | $51,889 | $2,213 | 4.3% |
| 95938 | Placement of skin electrodes and measurement of stimulated sites on arms and legs | Facility | 2022 | 41 | 41 | $66,307 | $1,555 | 2.3% |
| 95861 | Needle measurement of electrical activity in arm or leg muscles, 2 extremities | Facility | 2022 | 21 | 21 | $18,767 | $1,389 | 7.4% |
| 95822 | Measurement of brain wave activity (eeg), in coma or asleep | Facility | 2022 | 19 | 19 | $4,826 | $916.21 | 19.0% |
| 95819 | Measurement of brain wave activity (eeg), awake and asleep | Facility | 2022 | 18 | 18 | $4,572 | $893.10 | 19.5% |
| G0453 | Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) | Facility | 2021 | 32 | 469 | $55,342 | $13,342 | 24.1% |
| 95939 | Insertion of needles and skin electrodes for measurement and recording of stimulated sites in the arms and legs (brain motor stimulation) | Facility | 2021 | 21 | 21 | $11,151 | $2,191 | 19.6% |
| 95861 | Needle measurement and recording of electrical activity of muscles of arm(s) or leg(s), 2 extremities | Facility | 2021 | 22 | 22 | $8,074 | $1,575 | 19.5% |
| 95938 | Insertion of needles and skin electrodes for measurement and recording of stimulated sites in the arms and legs | Facility | 2021 | 29 | 29 | $5,887 | $1,163 | 19.8% |
| 95822 | Measurement and recording of brain wave (eeg) activity, in coma or asleep | Facility | 2021 | 20 | 20 | $5,080 | $1,007 | 19.8% |
About Dr. Anna Chen, MD
Dr. Anna Chen, MD is a Neurology healthcare provider based in Marina Del Rey, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 04/06/2016. The National Provider Identifier (NPI) number assigned to this provider is 1972967982.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Anna Chen, MD has received a total of $385.28 in payments from pharmaceutical and medical device companies, with $141.16 received in 2019. These payments were reported across 9 transactions from 7 companies. The most common payment nature is "Food and Beverage" ($385.28).
As a Medicare-enrolled provider, Chen has provided services to 579 Medicare beneficiaries, totaling 1,805 services with total Medicare billing of $60,223. Data is available for 3 years (2021–2023), covering 20 distinct procedure/service records.
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Practice Information
- Specialty Neurology
- Other Specialties Neurology, Clinical Neurophysiology
- Location Marina Del Rey, CA
- Active Since 04/06/2016
- Last Updated 12/09/2024
- Taxonomy Code 2084N0400X
- Entity Type Individual
- Practice Solo Practitioner
- NPI Number 1972967982
Products in Payments
- Gamunex-C (Biological) $137.80
- APTIOM (Drug) $36.08
- Hizentra (Biological) $28.88
- ONFI (Drug) $22.17
- AFINITOR (Drug) $19.19
- Fycompa (Drug) $15.91
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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.