Total Payments
$204,602
2021 Payments
$27,770
Companies
3
Transactions
95
Medicare Patients
3,132
Medicare Billing
$237,105
Payment Breakdown by Category
Consulting$202,930 (99.2%)
Travel$1,135 (0.6%)
Food & Beverage$462.28 (0.2%)
Research$75.00 (0.0%)
Other$0.00 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $202,930 | 82 | 99.2% |
| Travel and Lodging | $1,135 | 5 | 0.6% |
| Food and Beverage | $462.28 | 7 | 0.2% |
| Unspecified | $75.00 | 1 | 0.0% |
Payments by Type
General
$204,527
94 transactions
Research
$75.00
1 transactions
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Merck Sharp & Dohme LLC | $194,930 | 81 | $0 (2021) |
| Bayer HealthCare Pharmaceuticals Inc. | $9,597 | 13 | $0 (2019) |
| Regeneron Pharmaceuticals, Inc. | $75.00 | 1 | $0 (2019) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2021 | $27,770 | 30 | Merck Sharp & Dohme LLC ($27,770) |
| 2020 | $14,435 | 16 | Merck Sharp & Dohme Corporation ($14,435) |
| 2019 | $35,322 | 26 | Merck Sharp & Dohme Corporation ($25,650) |
| 2018 | $30,825 | 12 | Merck Sharp & Dohme Corporation ($30,825) |
| 2017 | $96,250 | 11 | Merck Sharp & Dohme Corporation ($96,250) |
All Payment Transactions
95 individual payment records from CMS Open Payments — Page 2 of 4
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 03/31/2021 | Merck Sharp & Dohme Corporation | LENVIMA (Drug) | Consulting Fee | Cash or cash equivalent | $650.00 | General |
| Category: ONCOLOGY | ||||||
| 03/31/2021 | Merck Sharp & Dohme LLC | — | Consulting Fee | Cash or cash equivalent | $300.00 | General |
| Category: ONCOLOGY | ||||||
| 03/18/2021 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $850.00 | General |
| Category: ONCOLOGY | ||||||
| 03/11/2021 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $290.00 | General |
| Category: ONCOLOGY | ||||||
| 02/22/2021 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $485.00 | General |
| Category: ONCOLOGY | ||||||
| 12/17/2020 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $455.00 | General |
| Category: ONCOLOGY | ||||||
| 12/17/2020 | Merck Sharp & Dohme Corporation | MK-1454 (Drug) | Consulting Fee | Cash or cash equivalent | $60.00 | General |
| Category: ONCOLOGY | ||||||
| 12/10/2020 | Merck Sharp & Dohme Corporation | LENVIMA (Drug) | Consulting Fee | Cash or cash equivalent | $2,200.00 | General |
| Category: ONCOLOGY | ||||||
| 12/10/2020 | Merck Sharp & Dohme Corporation | MK-1454 (Drug) | Consulting Fee | Cash or cash equivalent | $350.00 | General |
| Category: ONCOLOGY | ||||||
| 12/10/2020 | Merck Sharp & Dohme Corporation | MK-1454 (Drug) | Consulting Fee | Cash or cash equivalent | $60.00 | General |
| Category: ONCOLOGY | ||||||
| 11/16/2020 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $1,390.00 | General |
| Category: ONCOLOGY | ||||||
| 10/22/2020 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $715.00 | General |
| Category: ONCOLOGY | ||||||
| 09/14/2020 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $325.00 | General |
| Category: ONCOLOGY | ||||||
| 08/20/2020 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $660.00 | General |
| Category: ONCOLOGY | ||||||
| 07/20/2020 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $65.00 | General |
| Category: ONCOLOGY | ||||||
| 06/18/2020 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $420.00 | General |
| Category: ONCOLOGY | ||||||
| 05/26/2020 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $2,335.00 | General |
| Category: ONCOLOGY | ||||||
| 04/23/2020 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $3,745.00 | General |
| Category: ONCOLOGY | ||||||
| 03/26/2020 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $160.00 | General |
| Category: ONCOLOGY | ||||||
| 02/24/2020 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $65.00 | General |
| Category: ONCOLOGY | ||||||
| 01/27/2020 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $1,430.00 | General |
| Category: ONCOLOGY | ||||||
| 12/19/2019 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $1,280.00 | General |
| Category: ONCOLOGY | ||||||
| 11/27/2019 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $1,110.00 | General |
| Category: ONCOLOGY | ||||||
| 10/24/2019 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $1,300.00 | General |
| Category: ONCOLOGY | ||||||
| 09/26/2019 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $540.00 | General |
| Category: ONCOLOGY | ||||||
Research Studies & Clinical Trials
| Study Name | Company | Amount | Records |
|---|---|---|---|
| AN EXPLORATORY TUMOR BIOPSY-DRIVEN STUDY TO UNDERSTAND THE RELATIONSHIP BETWEEN BIOMARKERS AND INDICATORS OF CLINICAL RESPONSE IN IMMUNOMODULATORY TREATMENT-NAIVE UNRESECTABLE STAGE III IV MELANOMA PATIENTS RECEIVING REGN2810 ANTI-PD-1 | Regeneron Pharmaceuticals, Inc. | $75.00 | 1 |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 10 | 535 | 6,624 | $290,470 | $34,720 |
| 2022 | 16 | 885 | 15,656 | $688,791 | $70,734 |
| 2021 | 14 | 918 | 13,417 | $620,975 | $71,753 |
| 2020 | 10 | 794 | 10,345 | $467,847 | $59,898 |
Total Patients
3,132
Total Services
46,042
Medicare Billing
$237,105
Procedure Codes
69
All Medicare Procedures & Services
69 procedure records from CMS Medicare Utilization — Page 3 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 93880 | Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck | Facility | 2021 | 28 | 28 | $6,552 | $933.76 | 14.3% |
| 93880 | Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck | Office | 2021 | 18 | 18 | $6,848 | $719.37 | 10.5% |
| 70486 | Ct scan of face | Facility | 2021 | 14 | 14 | $2,954 | $481.36 | 16.3% |
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | Office | 2021 | 13 | 1,149 | $1,785 | $109.50 | 6.1% |
| 70553 | Mri scan of brain before and after contrast | Office | 2020 | 63 | 65 | $215,266 | $17,704 | 8.2% |
| 70450 | Ct scan head or brain | Facility | 2020 | 278 | 292 | $50,235 | $10,004 | 19.9% |
| 70553 | Mri scan of brain before and after contrast | Facility | 2020 | 86 | 88 | $44,784 | $8,518 | 19.0% |
| 70498 | Ct scan of neck blood vessels with contrast | Facility | 2020 | 59 | 59 | $20,882 | $4,094 | 19.6% |
| 70496 | Ct scan of blood vessel of head with contrast | Facility | 2020 | 55 | 55 | $19,468 | $3,956 | 20.3% |
| 70551 | Mri scan brain | Facility | 2020 | 59 | 59 | $18,883 | $3,623 | 19.2% |
| 72148 | Mri scan of lower spinal canal | Office | 2020 | 12 | 13 | $23,784 | $2,350 | 9.9% |
| 70551 | Mri scan brain | Office | 2020 | 11 | 11 | $22,887 | $1,913 | 8.4% |
| A9575 | Injection, gadoterate meglumine, 0.1 ml | Office | 2020 | 59 | 9,590 | $9,590 | $1,393 | 14.5% |
| 72148 | Mri scan of lower spinal canal | Facility | 2020 | 20 | 21 | $6,732 | $1,352 | 20.1% |
| 70544 | Mra scan of head blood vessels | Facility | 2020 | 26 | 26 | $6,304 | $1,285 | 20.4% |
| 70450 | Ct scan head or brain | Office | 2020 | 19 | 19 | $11,926 | $1,199 | 10.1% |
| 93880 | Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck | Office | 2020 | 12 | 12 | $8,080 | $1,030 | 12.7% |
| 70548 | Mra scan of neck blood vessels with contrast | Facility | 2020 | 12 | 12 | $3,644 | $744.15 | 20.4% |
| 93880 | Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck | Facility | 2020 | 23 | 23 | $5,382 | $731.76 | 13.6% |
About John Chen, MD PHD
John Chen, MD PHD is a Diagnostic Radiology healthcare provider based in Boston, Massachusetts. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 11/04/2005. The National Provider Identifier (NPI) number assigned to this provider is 1376534552.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, John Chen, MD PHD has received a total of $204,602 in payments from pharmaceutical and medical device companies, with $27,770 received in 2021. These payments were reported across 95 transactions from 3 companies. The most common payment nature is "Consulting Fee" ($202,930).
As a Medicare-enrolled provider, Chen has provided services to 3,132 Medicare beneficiaries, totaling 46,042 services with total Medicare billing of $237,105. Data is available for 4 years (2020–2023), covering 69 distinct procedure/service records.
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Practice Information
- Specialty Diagnostic Radiology
- Location Boston, MA
- Active Since 11/04/2005
- Last Updated 12/14/2023
- Taxonomy Code 2085R0202X
- Entity Type Individual
- NPI Number 1376534552
Products in Payments
- KEYTRUDA (Biological) $170,865
- LENVIMA (Drug) $20,040
- MK-1454 (Drug) $470.00
- LIBTAYO (Biological) $75.00
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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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