Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $1,883 | 35 | 100.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Sirtex Medical Inc | $621.42 | 5 | $0 (2022) |
| Inari Medical, Inc. | $579.45 | 7 | $0 (2023) |
| BOSTON SCIENTIFIC CORPORATION | $213.66 | 7 | $0 (2021) |
| W. L. Gore & Associates, Inc. | $118.68 | 3 | $0 (2017) |
| Terumo Medical Corporation | $87.31 | 1 | $0 (2020) |
| Balt USA, LLC | $68.68 | 1 | $0 (2021) |
| AngioDynamics, Inc. | $35.33 | 2 | $0 (2019) |
| Cook Medical LLC | $30.80 | 2 | $0 (2020) |
| DAVOL INC. | $25.07 | 1 | $0 (2019) |
| Covidien LP | $22.15 | 1 | $0 (2017) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2023 | $155.16 | 2 | Inari Medical, Inc. ($155.16) |
| 2022 | $213.89 | 2 | Sirtex Medical Inc ($121.20) |
| 2021 | $128.37 | 4 | Balt USA, LLC ($68.68) |
| 2020 | $254.03 | 5 | Inari Medical, Inc. ($135.92) |
| 2019 | $594.24 | 10 | Sirtex Medical Inc ($276.20) |
| 2018 | $259.40 | 4 | Sirtex Medical Inc ($224.02) |
| 2017 | $278.26 | 8 | W. L. Gore & Associates, Inc. ($118.68) |
All Payment Transactions
35 individual payment records from CMS Open Payments — Page 1 of 2
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/21/2023 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT | Food and Beverage | In-kind items and services | $131.58 | General |
| Category: VTE | ||||||
| 06/30/2023 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT | Food and Beverage | In-kind items and services | $23.58 | General |
| Category: VTE | ||||||
| 12/21/2022 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT | Food and Beverage | In-kind items and services | $92.69 | General |
| Category: VTE | ||||||
| 06/28/2022 | Sirtex Medical Inc | SIR-Spheres Microspheres (Device) | Food and Beverage | Cash or cash equivalent | $121.20 | General |
| Category: Interventional Oncology | ||||||
| 09/09/2021 | BOSTON SCIENTIFIC CORPORATION | VARITHENA (Device) | Food and Beverage | Cash or cash equivalent | $24.72 | General |
| Category: Varithena | ||||||
| 08/26/2021 | Balt USA, LLC | — | Food and Beverage | In-kind items and services | $68.68 | General |
| 03/10/2021 | Cardiovascular Systems Inc. | Diamondback Peripheral (Device) | Food and Beverage | Cash or cash equivalent | $20.25 | General |
| Category: Atherectomy Device | ||||||
| 03/01/2021 | BOSTON SCIENTIFIC CORPORATION | JETSTREAM (Device) | Food and Beverage | In-kind items and services | $14.72 | General |
| Category: PAIN MANAGEMENT | ||||||
| 11/09/2020 | Cook Medical LLC | Cook Medical Nester (Device) | Food and Beverage | Cash or cash equivalent | $14.63 | General |
| Category: Peripheral Intervention | ||||||
| 06/17/2020 | Inari Medical, Inc. | FlowTriever (Device), ClotTriever | Food and Beverage | In-kind items and services | $19.16 | General |
| Category: Venous Thrombectomy | ||||||
| 04/30/2020 | Cook Medical LLC | Cook Medical Embolization (Device) | Food and Beverage | Cash or cash equivalent | $16.17 | General |
| Category: Interventional Radiology | ||||||
| 01/25/2020 | Terumo Medical Corporation | AZUR (Device) | Food and Beverage | Cash or cash equivalent | $87.31 | General |
| Category: Vascular Embolization | ||||||
| 01/10/2020 | Inari Medical, Inc. | FlowTriever (Device), ClotTriever | Food and Beverage | In-kind items and services | $116.76 | General |
| Category: Venous Thrombectomy | ||||||
| 12/20/2019 | Maquet Cardiovascular U.S. Sales, L.L.C. | iCAST (Device) | Food and Beverage | In-kind items and services | $13.13 | General |
| Category: Cardiology/Vascular Diseases | ||||||
| 11/22/2019 | Boston Scientific Corporation | JETSTREAM (Device) | Food and Beverage | In-kind items and services | $18.62 | General |
| Category: ATHERECTOMY | ||||||
| 11/07/2019 | Inari Medical, Inc. | FlowTriever (Device), ClotTriever | Food and Beverage | In-kind items and services | $154.62 | General |
| Category: Venous Thrombectomy | ||||||
| 10/01/2019 | Inari Medical, Inc. | FlowTriever (Device), ClotTriever | Food and Beverage | In-kind items and services | $41.06 | General |
| Category: Venous Thrombectomy | ||||||
| 09/09/2019 | AngioDynamics, Inc. | — | Food and Beverage | In-kind items and services | $21.03 | General |
| Category: VIT | ||||||
| 05/14/2019 | Boston Scientific Corporation | ELUVIA (Device) | Food and Beverage | In-kind items and services | $24.01 | General |
| Category: STENTS | ||||||
| 04/05/2019 | Boston Scientific Corporation | JETSTREAM (Device) | Food and Beverage | In-kind items and services | $20.50 | General |
| Category: ATHERECTOMY | ||||||
| 02/06/2019 | Sirtex Medical Inc | SIR-Spheres Microspheres (Device) | Food and Beverage | Cash or cash equivalent | $150.00 | General |
| Category: Interventional Oncology | ||||||
| 01/18/2019 | Sirtex Medical Inc | SIR-Spheres Microspheres (Device) | Food and Beverage | Cash or cash equivalent | $126.20 | General |
| Category: Interventional Oncology | ||||||
| 01/10/2019 | DAVOL INC. | CFN PLEURX (Device) | Food and Beverage | In-kind items and services | $25.07 | General |
| Category: PROCEDURAL SOLUTIONS | ||||||
| 12/12/2018 | Sirtex Medical Inc | SIR-Spheres Microspheres (Device) | Food and Beverage | Cash or cash equivalent | $99.46 | General |
| Category: Interventional Oncology | ||||||
| 09/20/2018 | BOSTON SCIENTIFIC CORPORATION | GENERAL ATHERECTOMY (Device) | Food and Beverage | In-kind items and services | $15.61 | General |
| Category: ATHERECTOMY | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 12 | 417 | 441 | $137,038 | $48,220 |
| 2022 | 26 | 1,278 | 2,288 | $515,124 | $166,307 |
| 2021 | 24 | 1,671 | 1,921 | $697,992 | $236,269 |
| 2020 | 27 | 1,302 | 2,635 | $596,536 | $197,393 |
All Medicare Procedures & Services
117 procedure records from CMS Medicare Utilization — Page 1 of 5
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 93880 | Ultrasound of both sides of head and neck blood flow | Office | 2023 | 72 | 77 | $36,984 | $10,858 | 29.4% |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | Office | 2023 | 61 | 62 | $27,919 | $10,156 | 36.4% |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | Office | 2023 | 73 | 76 | $19,871 | $7,377 | 37.1% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 56 | 64 | $6,976 | $4,790 | 68.7% |
| 93925 | Ultrasound of leg arteries or artery grafts | Office | 2023 | 18 | 18 | $8,820 | $3,944 | 44.7% |
| 93975 | Complete ultrasound of abdomen and pelvis artery and vein blood flow | Office | 2023 | 13 | 14 | $5,369 | $2,910 | 54.2% |
| 93923 | Complete ultrasound study of arm and leg arteries | Office | 2023 | 29 | 29 | $9,565 | $2,713 | 28.4% |
| 76706 | Ultrasound scan of abdominal aorta | Office | 2023 | 17 | 17 | $4,073 | $2,046 | 50.2% |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Facility | 2023 | 21 | 26 | $3,042 | $1,115 | 36.7% |
| 93979 | Ultrasound of aorta, vena cava, groin vessels or bypass grafts | Office | 2023 | 11 | 12 | $2,941 | $747.09 | 25.4% |
| 93880 | Ultrasound of both sides of head and neck blood flow | Facility | 2023 | 21 | 21 | $6,867 | $662.40 | 9.6% |
| 77012 | Review by radiologist of ct guidance for needle placement | Facility | 2023 | 11 | 11 | $3,575 | $547.74 | 15.3% |
| 76776 | Ultrasound scan of transplanted kidney | Facility | 2023 | 14 | 14 | $1,036 | $353.83 | 34.2% |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | Office | 2022 | 149 | 161 | $68,241 | $25,704 | 37.7% |
| 93880 | Ultrasound of both sides of head and neck blood flow | Office | 2022 | 131 | 167 | $67,485 | $20,909 | 31.0% |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | Office | 2022 | 179 | 215 | $49,558 | $19,156 | 38.7% |
| 36561 | Insertion of central venous tube with port (5 years or older) | Office | 2022 | 18 | 18 | $63,720 | $18,188 | 28.5% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 116 | 144 | $15,696 | $11,583 | 73.8% |
| 36478 | Laser destruction of incompetent vein of arm or leg using imaging guidance | Office | 2022 | 11 | 11 | $53,273 | $11,021 | 20.7% |
| 93975 | Complete ultrasound of abdomen and pelvis artery and vein blood flow | Office | 2022 | 37 | 42 | $16,183 | $9,237 | 57.1% |
| 93923 | Complete ultrasound study of arm and leg arteries | Office | 2022 | 63 | 66 | $20,775 | $6,959 | 33.5% |
| 76706 | Ultrasound scan of abdominal aorta | Office | 2022 | 33 | 33 | $7,922 | $4,127 | 52.1% |
| 93925 | Ultrasound of leg arteries or artery grafts | Office | 2022 | 15 | 15 | $7,350 | $3,552 | 48.3% |
| 36561 | Insertion of central venous tube with port (5 years or older) | Facility | 2022 | 11 | 11 | $10,450 | $3,358 | 32.1% |
| 49083 | Drainage of fluid from abdominal cavity using imaging guidance | Office | 2022 | 11 | 11 | $9,625 | $2,988 | 31.0% |
About Dr. Michael Karnaze, MD
Dr. Michael Karnaze, MD is a Nuclear Radiology healthcare provider based in Fairfax, Virginia. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 07/17/2006. The National Provider Identifier (NPI) number assigned to this provider is 1265450274.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Michael Karnaze, MD has received a total of $1,883 in payments from pharmaceutical and medical device companies, with $155.16 received in 2023. These payments were reported across 35 transactions from 15 companies. The most common payment nature is "Food and Beverage" ($1,883).
As a Medicare-enrolled provider, Karnaze has provided services to 4,668 Medicare beneficiaries, totaling 7,285 services with total Medicare billing of $648,189. Data is available for 4 years (2020–2023), covering 117 distinct procedure/service records.
Practice Information
- Specialty Nuclear Radiology
- Other Specialties Pediatric Radiology, Vascular & Interventional Radiology
- Location Fairfax, VA
- Active Since 07/17/2006
- Last Updated 02/04/2022
- Taxonomy Code 2085N0904X
- Entity Type Individual
- NPI Number 1265450274
Products in Payments
- SIR-Spheres Microspheres (Device) $621.42
- FlowTriever (Device) $331.60
- FLOWTRIEVER CATHETER, S (Device) $247.85
- VIATORR TIPS Endoprosthesis w/ (Device) $101.72
- GENERAL - VASCULAR INTERVENTION (Device) $95.48
- AZUR (Device) $87.31
- JETSTREAM (Device) $53.84
- CFN PLEURX (Device) $25.07
- VARITHENA (Device) $24.72
- ELUVIA (Device) $24.01
- Emprint (Device) $22.15
- Diamondback Peripheral (Device) $20.25
- Ovation (Device) $19.77
- VIATORR TIPS Endoprosthesis (Device) $16.96
- PICC - Arrow (Device) $16.23
- Cook Medical Embolization (Device) $16.17
- GENERAL ATHERECTOMY (Device) $15.61
- Cook Medical Nester (Device) $14.63
- iCAST (Device) $13.13
- MVP (Device) $11.42
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.