Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $1,377 | 16 | 100.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Baxter Healthcare | $486.33 | 5 | $0 (2023) |
| United Therapeutics Corporation | $245.67 | 3 | $0 (2024) |
| SANOFI-AVENTIS U.S. LLC | $201.75 | 2 | $0 (2022) |
| GENZYME CORPORATION | $138.89 | 1 | $0 (2022) |
| Veloxis Pharmaceuticals, Inc. | $129.87 | 1 | $0 (2022) |
| OrganOx Ltd | $83.33 | 1 | $0 (2023) |
| INTUITIVE SURGICAL, INC. | $49.70 | 1 | $0 (2024) |
| Ethicon US, LLC | $22.74 | 1 | $0 (2022) |
| Medtronic, Inc. | $18.48 | 1 | $0 (2021) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $295.37 | 4 | United Therapeutics Corporation ($245.67) |
| 2023 | $205.13 | 3 | Baxter Healthcare ($121.80) |
| 2022 | $652.72 | 6 | Baxter Healthcare ($245.65) |
| 2021 | $223.54 | 3 | Baxter Healthcare ($118.88) |
All Payment Transactions
16 individual payment records from CMS Open Payments
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 06/15/2024 | United Therapeutics Corporation | Steen Solution (Device), TYVASO | Food and Beverage | In-kind items and services | $127.07 | General |
| Category: Lung Transplant | ||||||
| 06/03/2024 | United Therapeutics Corporation | Steen Solution (Device) | Food and Beverage | In-kind items and services | $82.36 | General |
| Category: Lung Transplant | ||||||
| 04/25/2024 | United Therapeutics Corporation | Steen Solution (Device) | Food and Beverage | In-kind items and services | $36.24 | General |
| Category: Lung Transplant | ||||||
| 01/09/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $49.70 | General |
| Category: SURGERY | ||||||
| 07/13/2023 | OrganOx Ltd | METRA (Device) | Food and Beverage | Cash or cash equivalent | $83.33 | General |
| Category: TRANSPLANT SURGERY | ||||||
| 03/07/2023 | Baxter Healthcare | FLOSEAL (Device) | Food and Beverage | In-kind items and services | $107.32 | General |
| Category: Surgical Care | ||||||
| 03/07/2023 | Baxter Healthcare | FLOSEAL (Device) | Food and Beverage | In-kind items and services | $14.48 | General |
| Category: Surgical Care | ||||||
| 09/23/2022 | Ethicon US, LLC | Echelon Flex (Device), PROLENE, SURGICEL NU-KNIT | Food and Beverage | In-kind items and services | $22.74 | General |
| Category: Endo-Mechanical | ||||||
| 08/30/2022 | GENZYME CORPORATION | THYMOGLOBULIN (Biological) | Food and Beverage | In-kind items and services | $138.89 | General |
| Category: Oncology | ||||||
| 08/05/2022 | Veloxis Pharmaceuticals, Inc. | Envarsus (Drug) | Food and Beverage | In-kind items and services | $129.87 | General |
| Category: Immunosuppresant | ||||||
| 05/18/2022 | SANOFI-AVENTIS U.S. LLC | THYMOGLOBULIN (Biological) | Food and Beverage | In-kind items and services | $115.57 | General |
| Category: Oncology | ||||||
| 05/09/2022 | Baxter Healthcare | PREVELEAK (Device) | Food and Beverage | In-kind items and services | $123.80 | General |
| Category: Surgical Care | ||||||
| 02/24/2022 | Baxter Healthcare | — | Food and Beverage | In-kind items and services | $121.85 | General |
| Category: Surgical Care | ||||||
| 11/29/2021 | Baxter Healthcare | — | Food and Beverage | In-kind items and services | $118.88 | General |
| Category: Fluid Systems | ||||||
| 11/16/2021 | Medtronic, Inc. | Signia (Device) | Food and Beverage | In-kind items and services | $18.48 | General |
| Category: Surgical Stapling | ||||||
| 09/14/2021 | SANOFI-AVENTIS U.S. LLC | THYMOGLOBULIN (Biological) | Food and Beverage | In-kind items and services | $86.18 | General |
| Category: Oncology | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 3 | 42 | 48 | $131,280 | $13,319 |
All Medicare Procedures & Services
3 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 50360 | Transplantation of donor kidney | Facility | 2023 | 17 | 17 | $119,790 | $11,906 | 9.9% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 13 | 19 | $3,990 | $1,193 | 29.9% |
| 50323 | Preparation of donor kidney for transplantation | Facility | 2023 | 12 | 12 | $7,500 | $220.38 | 2.9% |
About Dr. Gregory Martens, MD
Dr. Gregory Martens, MD is a Surgery healthcare provider based in Saint Louis, Missouri. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/28/2012. The National Provider Identifier (NPI) number assigned to this provider is 1316201940.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Gregory Martens, MD has received a total of $1,377 in payments from pharmaceutical and medical device companies, with $295.37 received in 2024. These payments were reported across 16 transactions from 9 companies. The most common payment nature is "Food and Beverage" ($1,377).
As a Medicare-enrolled provider, Martens has provided services to 42 Medicare beneficiaries, totaling 48 services with total Medicare billing of $13,319. Data is available for 1 year (2023–2023), covering 3 distinct procedure/service records.
Practice Information
- Specialty Surgery
- Location Saint Louis, MO
- Active Since 06/28/2012
- Last Updated 04/17/2025
- Taxonomy Code 208600000X
- Entity Type Individual
- NPI Number 1316201940
Products in Payments
- THYMOGLOBULIN (Biological) $340.64
- Steen Solution (Device) $245.67
- Envarsus (Drug) $129.87
- PREVELEAK (Device) $123.80
- FLOSEAL (Device) $121.80
- METRA (Device) $83.33
- Da Vinci Surgical System (Device) $49.70
- Echelon Flex (Device) $22.74
- Signia (Device) $18.48
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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