Total Payments
$30,193
2024 Payments
$2,786
Companies
55
Transactions
430
Medicare Patients
604
Medicare Billing
$51,533
Payment Breakdown by Category
Food & Beverage$24,543 (81.3%)
Travel$5,638 (18.7%)
Education$12.50 (0.0%)
Other$0.00 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $24,543 | 405 | 81.3% |
| Travel and Lodging | $5,638 | 23 | 18.7% |
| Education | $12.50 | 2 | 0.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Medtronic, Inc. | $4,739 | 69 | $0 (2024) |
| Boston Scientific Corporation | $3,268 | 41 | $0 (2024) |
| W. L. Gore & Associates, Inc. | $2,770 | 32 | $0 (2024) |
| Inari Medical, Inc. | $2,264 | 23 | $0 (2024) |
| Baxter Healthcare | $2,221 | 44 | $0 (2024) |
| Endologix, Inc. | $1,983 | 8 | $0 (2019) |
| Penumbra, Inc. | $1,687 | 11 | $0 (2021) |
| Silk Road Medical, Inc. | $1,552 | 11 | $0 (2020) |
| Janssen Pharmaceuticals, Inc | $1,420 | 36 | $0 (2024) |
| Medtronic Vascular, Inc. | $1,338 | 22 | $0 (2020) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $2,786 | 32 | Inari Medical, Inc. ($1,319) |
| 2023 | $3,759 | 57 | Medtronic, Inc. ($1,667) |
| 2022 | $3,928 | 49 | Medtronic, Inc. ($2,396) |
| 2021 | $2,072 | 25 | Medtronic, Inc. ($443.22) |
| 2020 | $837.71 | 15 | W. L. Gore & Associates, Inc. ($231.16) |
| 2019 | $6,001 | 95 | Penumbra, Inc. ($1,258) |
| 2018 | $5,053 | 79 | Silk Road Medical, Inc. ($1,241) |
| 2017 | $5,757 | 78 | BOSTON SCIENTIFIC CORPORATION ($1,826) |
All Payment Transactions
430 individual payment records from CMS Open Payments — Page 1 of 18
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/20/2024 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT | Food and Beverage | In-kind items and services | $6.58 | General |
| Category: VTE | ||||||
| 12/20/2024 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT | Food and Beverage | In-kind items and services | $2.15 | General |
| Category: VTE | ||||||
| 12/17/2024 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT | Food and Beverage | In-kind items and services | $126.70 | General |
| Category: VTE | ||||||
| 12/11/2024 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT | Food and Beverage | In-kind items and services | $1.08 | General |
| Category: VTE | ||||||
| 10/26/2024 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT | Travel and Lodging | In-kind items and services | $326.51 | General |
| Category: VTE | ||||||
| 10/26/2024 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT | Food and Beverage | In-kind items and services | $33.87 | General |
| Category: VTE | ||||||
| 10/25/2024 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT | Food and Beverage | In-kind items and services | $192.19 | General |
| Category: VTE | ||||||
| 10/25/2024 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT | Food and Beverage | In-kind items and services | $48.79 | General |
| Category: VTE | ||||||
| 10/25/2024 | Inari Medical, Inc. | CT THROMBECTOMY SYSTEM KIT (Device), FLOWTRIEVER CATHETER, S | Food and Beverage | In-kind items and services | $34.47 | General |
| Category: VTE | ||||||
| 10/22/2024 | ShockWave Medical, Inc | Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter (Device) | Food and Beverage | In-kind items and services | $110.29 | General |
| Category: Lithoplasty | ||||||
| 10/15/2024 | Inari Medical, Inc. | CT THROMBECTOMY SYSTEM KIT (Device), FLOWTRIEVER CATHETER, S | Food and Beverage | In-kind items and services | $45.98 | General |
| Category: VTE | ||||||
| 10/08/2024 | Ethicon US, LLC | Echelon Flex (Device) | Food and Beverage | In-kind items and services | $17.39 | General |
| Category: Endo-Mechanical | ||||||
| 09/30/2024 | Inari Medical, Inc. | CT THROMBECTOMY SYSTEM KIT (Device), FLOWTRIEVER CATHETER, S | Food and Beverage | In-kind items and services | $10.97 | General |
| Category: VTE | ||||||
| 09/11/2024 | Shape Memory Medical Inc. | IMPEDE EMBOLIZATION PLUG (Device) | Food and Beverage | In-kind items and services | $122.96 | General |
| Category: Vascular Embolization | ||||||
| 09/11/2024 | Shape Memory Medical Inc. | IMPEDE EMBOLIZATION PLUG (Device) | Food and Beverage | In-kind items and services | $29.84 | General |
| Category: Vascular Embolization | ||||||
| 09/04/2024 | Baxter Healthcare | COSEAL (Device) | Food and Beverage | In-kind items and services | $49.67 | General |
| Category: Surgical Care | ||||||
| 07/23/2024 | Surgical Specialties Corporation (us), Inc. (dba Corza Medical) | — | Food and Beverage | In-kind items and services | $144.60 | General |
| 07/18/2024 | Baxter Healthcare | PREVELEAK (Device) | Food and Beverage | In-kind items and services | $47.62 | General |
| Category: Surgical Care | ||||||
| 07/15/2024 | Medtronic, Inc. | VENASEAL (Device) | Food and Beverage | In-kind items and services | $25.62 | General |
| Category: EndoVenous Therapies | ||||||
| 07/09/2024 | Solventum Corporation | PREVENA (Device) | Food and Beverage | Cash or cash equivalent | $86.21 | General |
| Category: Negative Pressure Systems & Dressings | ||||||
| 06/03/2024 | Medtronic, Inc. | VENASEAL (Device) | Food and Beverage | In-kind items and services | $86.55 | General |
| Category: EndoVenous Therapies | ||||||
| 05/30/2024 | W. L. Gore & Associates, Inc. | GORE VIABAHN VBX Balloon Expandable Endo (Device) | Food and Beverage | In-kind items and services | $103.88 | General |
| Category: Devices | ||||||
| 05/30/2024 | W. L. Gore & Associates, Inc. | GORE VIABAHN VBX Balloon Expandable Endo (Device) | Food and Beverage | In-kind items and services | $21.32 | General |
| Category: Devices | ||||||
| 04/10/2024 | Haemonetics Corporation | TEG6S HEMOSTASIS SYSTEM (Device) | Food and Beverage | In-kind items and services | $113.65 | General |
| Category: DEVICES | ||||||
| 04/09/2024 | Medtronic, Inc. | CLOSURERFS (Device) | Food and Beverage | In-kind items and services | $121.50 | General |
| Category: EndoVenous Therapies | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 6 | 147 | 174 | $51,083 | $12,406 |
| 2022 | 6 | 136 | 147 | $38,595 | $10,731 |
| 2021 | 5 | 127 | 133 | $34,218 | $11,875 |
| 2020 | 11 | 194 | 219 | $56,688 | $16,520 |
Total Patients
604
Total Services
673
Medicare Billing
$51,533
Procedure Codes
28
All Medicare Procedures & Services
28 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 36902 | Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist | Facility | 2023 | 18 | 28 | $17,934 | $4,821 | 26.9% |
| 36558 | Insertion of tunneled central venous tube for infusion (5 years or older) | Facility | 2023 | 20 | 21 | $20,060 | $3,650 | 18.2% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Facility | 2023 | 31 | 34 | $3,494 | $1,612 | 46.1% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Facility | 2023 | 28 | 28 | $4,240 | $1,573 | 37.1% |
| 76937 | Ultrasonic guidance for blood vessel access | Facility | 2023 | 31 | 43 | $4,384 | $472.57 | 10.8% |
| 77001 | Fluoroscopic guidance for insertion or removal of central vein access device | Facility | 2023 | 19 | 20 | $971.20 | $278.60 | 28.7% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Facility | 2022 | 43 | 43 | $10,926 | $3,912 | 35.8% |
| 36558 | Insertion of tunneled central venous tube for infusion (5 years or older) | Facility | 2022 | 17 | 19 | $17,594 | $3,377 | 19.2% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Facility | 2022 | 24 | 29 | $2,918 | $1,428 | 49.0% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Facility | 2022 | 16 | 16 | $2,550 | $930.47 | 36.5% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Facility | 2022 | 13 | 13 | $1,931 | $789.97 | 40.9% |
| 76937 | Ultrasonic guidance for blood vessel access | Facility | 2022 | 23 | 27 | $2,676 | $293.24 | 11.0% |
| 99204 | New patient outpatient visit, total time 45-59 minutes | Facility | 2021 | 39 | 39 | $9,202 | $4,053 | 44.0% |
| 36558 | Insertion of central venous catheter for infusion, patient 5 years or older, tunneled | Facility | 2021 | 13 | 15 | $13,401 | $2,711 | 20.2% |
| 99221 | Initial hospital inpatient care, typically 30 minutes per day | Facility | 2021 | 23 | 24 | $5,249 | $1,832 | 34.9% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Facility | 2021 | 23 | 24 | $3,456 | $1,827 | 52.9% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Facility | 2021 | 29 | 31 | $2,910 | $1,451 | 49.9% |
| 36902 | Insertion of needle and/or catheter into dialysis circuit and balloon dilation of dialysis segment, with imaging including radiological supervision and interpretation | Facility | 2020 | 17 | 28 | $16,494 | $5,023 | 30.5% |
| 36558 | Insertion of central venous catheter for infusion, patient 5 years or older | Facility | 2020 | 11 | 11 | $9,591 | $2,109 | 22.0% |
| 99214 | Established patient office or other outpatient, visit typically 25 minutes | Facility | 2020 | 30 | 33 | $4,863 | $1,971 | 40.5% |
| 99203 | New patient office or other outpatient visit, typically 30 minutes | Facility | 2020 | 34 | 34 | $4,802 | $1,819 | 37.9% |
| 37253 | Ultrasound evaluation of blood vessel during diagnosis or treatment | Facility | 2020 | 12 | 20 | $4,134 | $1,160 | 28.1% |
| 99204 | New patient office or other outpatient visit, typically 45 minutes | Facility | 2020 | 13 | 13 | $3,177 | $1,142 | 35.9% |
| 37252 | Ultrasound evaluation of blood vessel during diagnosis or treatment | Facility | 2020 | 15 | 15 | $3,869 | $1,083 | 28.0% |
| 99233 | Subsequent hospital inpatient care, typically 35 minutes per day | Facility | 2020 | 11 | 12 | $2,634 | $1,004 | 38.1% |
About Dr. Mark Brennan, DO
Dr. Mark Brennan, DO is a Surgery healthcare provider based in Johnson City, New York. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 07/28/2005. The National Provider Identifier (NPI) number assigned to this provider is 1174523443.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Mark Brennan, DO has received a total of $30,193 in payments from pharmaceutical and medical device companies, with $2,786 received in 2024. These payments were reported across 430 transactions from 55 companies. The most common payment nature is "Food and Beverage" ($24,543).
As a Medicare-enrolled provider, Brennan has provided services to 604 Medicare beneficiaries, totaling 673 services with total Medicare billing of $51,533. Data is available for 4 years (2020–2023), covering 28 distinct procedure/service records.
Ad
Practice Information
- Specialty Surgery
- Other Specialties Vascular Surgery
- Location Johnson City, NY
- Active Since 07/28/2005
- Last Updated 09/15/2014
- Taxonomy Code 208600000X
- Entity Type Individual
- NPI Number 1174523443
Products in Payments
- ABRE (Device) $3,463
- FLOWTRIEVER CATHETER, S (Device) $2,173
- ENROUTE Transcarotid Neuroprotection System (Device) $1,552
- XARELTO (Drug) $1,420
- Penumbra System (Device) $1,215
- Ovation (Device) $1,202
- JETSTREAM (Device) $1,144
- ELIQUIS (Drug) $1,102
- VenaSeal (Device) $785.09
- AFX (Device) $780.29
- VIABAHN VBX Balloon Expandable Endoprosthesis (Device) $750.79
- GORE TAG Thoracic Endoprosthesis (Device) $745.89
- GENERAL VASCULAR INTERVENTION (Device) $565.57
- COSEAL (Device) $553.44
- FLOSEAL (Biological) $551.20
- VIABAHN Endoprosthesis (Device) $424.51
- GORE VIABAHN VBX Balloon Expandable Endo (Device) $372.81
- Indigo (Device) $371.55
- EKOSONIC (Device) $362.62
- Peripheral Orbital Atherectomy System (Device) $352.50
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.
Surgery Doctors in Johnson City
John Robertson, Md, MD
Surgery — Payments: $368,161
Surgery $368,161
Kenneth Cutshall, Md, MD
Surgery — Payments: $167,803
Surgery $167,803
Christian Tvetenstrand, M.d, M.D
Surgery — Payments: $92,447
Surgery $92,447
Dr. Michael Hodge, Md, MD
Surgery — Payments: $29,876
Surgery $29,876
Joseph Lee, M.d, M.D
Surgery — Payments: $12,639
Surgery $12,639
Dr. Tamra Mckenzie, Md, MD
Surgery — Payments: $12,100
Surgery $12,100