Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $14,857 | 10 | 78.1% |
| Travel and Lodging | $2,140 | 7 | 11.3% |
| Food and Beverage | $2,018 | 23 | 10.6% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Merck Sharp & Dohme Corporation | $11,556 | 16 | $0 (2018) |
| Covidien LP | $2,693 | 4 | $0 (2017) |
| Laminate Medical Technologies inc. | $2,582 | 5 | $0 (2022) |
| LeMaitre Vascular, Inc. | $896.98 | 3 | $0 (2018) |
| W. L. Gore & Associates, Inc. | $472.50 | 4 | $0 (2024) |
| Endologix LLC | $295.77 | 3 | $0 (2023) |
| Artivion, Inc. | $180.92 | 2 | $0 (2024) |
| Medtronic, Inc. | $166.62 | 1 | $0 (2021) |
| Silk Road Medical, Inc. | $142.96 | 1 | $0 (2021) |
| Medtronic Vascular, Inc. | $28.26 | 1 | $0 (2017) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $373.03 | 4 | W. L. Gore & Associates, Inc. ($192.11) |
| 2023 | $262.81 | 2 | Endologix LLC ($262.81) |
| 2022 | $955.60 | 3 | Laminate Medical Technologies inc. ($832.03) |
| 2021 | $1,010 | 3 | Laminate Medical Technologies inc. ($700.00) |
| 2020 | $350.00 | 1 | Laminate Medical Technologies inc. ($350.00) |
| 2019 | $732.96 | 2 | Laminate Medical Technologies inc. ($700.00) |
| 2018 | $1,704 | 5 | LeMaitre Vascular, Inc. ($896.98) |
| 2017 | $13,627 | 20 | Merck Sharp & Dohme Corporation ($10,906) |
All Payment Transactions
40 individual payment records from CMS Open Payments — Page 1 of 2
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 11/19/2024 | Artivion, Inc. | Vascular (Device), PHOTOFIX DECELLULARIZED BOVINE PERICARDIUM | Food and Beverage | In-kind items and services | $140.78 | General |
| Category: Vascular surgery | ||||||
| 10/25/2024 | Artivion, Inc. | Vascular (Device) | Food and Beverage | In-kind items and services | $40.14 | General |
| Category: Vascular surgery | ||||||
| 05/17/2024 | W. L. Gore & Associates, Inc. | GORE-TEX Vascular Graft (Device) | Food and Beverage | In-kind items and services | $138.03 | General |
| Category: Devices | ||||||
| 01/24/2024 | W. L. Gore & Associates, Inc. | Product in Development (Device) | Food and Beverage | In-kind items and services | $54.08 | General |
| Category: Devices | ||||||
| 12/14/2023 | Endologix LLC | — | Food and Beverage | In-kind items and services | $114.65 | General |
| 06/05/2023 | Endologix LLC | — | Food and Beverage | In-kind items and services | $148.16 | General |
| 09/29/2022 | Laminate Medical Technologies inc. | VasQ External Support (Device) | Consulting Fee | Cash or cash equivalent | $700.00 | General |
| Category: B | ||||||
| 06/18/2022 | Laminate Medical Technologies inc. | VasQ External Support (Device) | Food and Beverage | Cash or cash equivalent | $132.03 | General |
| Category: B | ||||||
| 01/20/2022 | W. L. Gore & Associates, Inc. | C3 Delivery System (Device) | Food and Beverage | In-kind items and services | $123.57 | General |
| Category: Devices | ||||||
| 10/12/2021 | Laminate Medical Technologies inc. | VasQ External Support (Device) | Consulting Fee | Cash or cash equivalent | $700.00 | General |
| Category: B | ||||||
| 08/27/2021 | Medtronic, Inc. | — | Food and Beverage | In-kind items and services | $166.62 | General |
| 08/10/2021 | Silk Road Medical, Inc. | ENROUTE .014 Guidewire (Device), ENROUTE Transcarotid Stent, ENROUTE Transcarotid Neuroprotection System | Food and Beverage | In-kind items and services | $142.96 | General |
| Category: Cardiology/Vascular Diseases | ||||||
| 12/07/2020 | Laminate Medical Technologies inc. | — | Consulting Fee | Cash or cash equivalent | $350.00 | General |
| Category: B | ||||||
| 09/13/2019 | Endologix, Inc. | — | Food and Beverage | In-kind items and services | $32.96 | General |
| 04/18/2019 | Laminate Medical Technologies inc. | — | Consulting Fee | Cash or cash equivalent | $700.00 | General |
| Category: B | ||||||
| 11/01/2018 | LeMaitre Vascular, Inc. | VALVULOTOM (Device) | Travel and Lodging | Cash or cash equivalent | $443.82 | General |
| Category: VALVULOTOM | ||||||
| 08/31/2018 | LeMaitre Vascular, Inc. | ANASTOCLIP (Device) | Travel and Lodging | Cash or cash equivalent | $357.53 | General |
| Category: ANASTOCLIP | ||||||
| 08/16/2018 | Merck Sharp & Dohme Corporation | — | Consulting Fee | Cash or cash equivalent | $650.00 | General |
| 08/13/2018 | LeMaitre Vascular, Inc. | ANASTOCLIP (Device) | Food and Beverage | Cash or cash equivalent | $95.63 | General |
| Category: ANASTOCLIP | ||||||
| 05/11/2018 | W. L. Gore & Associates, Inc. | VIABAHN Endoprosthesis with Heparin Bioactive Surface (Device) | Food and Beverage | In-kind items and services | $156.82 | General |
| Category: Devices | ||||||
| 12/01/2017 | Covidien LP | Covidien (Device) | Consulting Fee | Cash or cash equivalent | $1,788.00 | General |
| Category: Dialysis/Vascular Access | ||||||
| 11/16/2017 | Covidien LP | Palindrome (Device) | Food and Beverage | In-kind items and services | $11.21 | General |
| Category: Dialysis/Vascular Access | ||||||
| 08/18/2017 | Covidien LP | Covidien (Device) | Consulting Fee | Cash or cash equivalent | $447.00 | General |
| Category: Dialysis/Vascular Access | ||||||
| 07/31/2017 | Covidien LP | Covidien (Device) | Consulting Fee | Cash or cash equivalent | $447.00 | General |
| Category: Dialysis/Vascular Access | ||||||
| 06/22/2017 | Merck Sharp & Dohme Corporation | — | Consulting Fee | Cash or cash equivalent | $5,500.00 | General |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 14 | 855 | 885 | $383,592 | $69,236 |
| 2022 | 15 | 780 | 814 | $408,976 | $77,488 |
| 2021 | 16 | 934 | 987 | $544,502 | $101,720 |
| 2020 | 15 | 772 | 812 | $551,126 | $110,672 |
All Medicare Procedures & Services
71 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 36821 | Relocation of arm vein with connection to arm artery for hemodialysis | Facility | 2023 | 31 | 32 | $85,464 | $17,109 | 20.0% |
| 36832 | Revision of hemodialysis graft | Facility | 2023 | 25 | 25 | $76,285 | $15,435 | 20.2% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 77 | 83 | $32,099 | $6,439 | 20.1% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 64 | 64 | $32,624 | $6,130 | 18.8% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 32 | 36 | $19,752 | $3,963 | 20.1% |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | Facility | 2023 | 131 | 139 | $27,522 | $3,801 | 13.8% |
| 93880 | Ultrasound of both sides of head and neck blood flow | Facility | 2023 | 104 | 108 | $25,272 | $3,307 | 13.1% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 27 | 27 | $14,643 | $2,943 | 20.1% |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Facility | 2023 | 37 | 37 | $15,059 | $2,595 | 17.2% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Office | 2023 | 34 | 35 | $8,520 | $1,578 | 18.5% |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | Facility | 2023 | 88 | 89 | $11,926 | $1,556 | 13.0% |
| 93923 | Complete ultrasound study of arm and leg arteries | Facility | 2023 | 68 | 69 | $8,832 | $1,102 | 12.5% |
| 93880 | Ultrasound of both sides of head and neck blood flow | Office | 2023 | 32 | 32 | $7,488 | $1,028 | 13.7% |
| 93926 | Ultrasound of one leg arteries or artery grafts | Facility | 2023 | 33 | 36 | $5,256 | $643.27 | 12.2% |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | Office | 2023 | 36 | 36 | $4,824 | $572.16 | 11.9% |
| 93925 | Ultrasound of leg arteries or artery grafts | Facility | 2023 | 19 | 20 | $4,660 | $562.32 | 12.1% |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | Office | 2023 | 17 | 17 | $3,366 | $473.11 | 14.1% |
| 36821 | Relocation of arm vein with connection to arm artery for hemodialysis | Facility | 2022 | 27 | 28 | $76,475 | $15,602 | 20.4% |
| 99223 | Initial hospital inpatient care per day, typically 70 minutes | Facility | 2022 | 70 | 77 | $60,993 | $12,819 | 21.0% |
| 36832 | Revision of hemodialysis graft | Facility | 2022 | 20 | 20 | $62,320 | $12,337 | 19.8% |
| 37607 | Tying or banding of surgically created artery-vein connection | Facility | 2022 | 22 | 22 | $32,828 | $6,899 | 21.0% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 51 | 55 | $29,174 | $5,773 | 19.8% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2022 | 45 | 45 | $21,420 | $4,413 | 20.6% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 45 | 48 | $18,240 | $3,870 | 21.2% |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | Facility | 2022 | 129 | 133 | $26,334 | $3,724 | 14.1% |
About Dr. C Ozaki, MD
Dr. C Ozaki, MD is a Vascular Surgery healthcare provider based in Boston, Massachusetts. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 08/16/2006. The National Provider Identifier (NPI) number assigned to this provider is 1700999620.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. C Ozaki, MD has received a total of $19,015 in payments from pharmaceutical and medical device companies, with $373.03 received in 2024. These payments were reported across 40 transactions from 10 companies. The most common payment nature is "Consulting Fee" ($14,857).
As a Medicare-enrolled provider, Ozaki has provided services to 3,341 Medicare beneficiaries, totaling 3,498 services with total Medicare billing of $359,116. Data is available for 4 years (2020–2023), covering 71 distinct procedure/service records.
Practice Information
- Specialty Vascular Surgery
- Other Specialties Vascular Surgery
- Location Boston, MA
- Active Since 08/16/2006
- Last Updated 06/21/2012
- Taxonomy Code 2086S0129X
- Entity Type Individual
- NPI Number 1700999620
Products in Payments
- Covidien (Device) $2,682
- VasQ External Support (Device) $1,532
- ANASTOCLIP (Device) $453.16
- VALVULOTOM (Device) $443.82
- Vascular (Device) $180.92
- VIABAHN Endoprosthesis with Heparin Bioactive Surface (Device) $156.82
- ENROUTE .014 Guidewire (Device) $142.96
- GORE-TEX Vascular Graft (Device) $138.03
- C3 Delivery System (Device) $123.57
- Product in Development (Device) $54.08
- Endurant (Device) $28.26
- Palindrome (Device) $11.21
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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