Total Payments
$40,252
2024 Payments
$26.70
Companies
4
Transactions
58
Medicare Patients
1,744
Medicare Billing
$316,971
Payment Breakdown by Category
Consulting$19,479 (48.4%)
Other$14,909 (37.0%)
Travel$4,052 (10.1%)
Food & Beverage$1,812 (4.5%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $19,479 | 8 | 48.4% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $14,909 | 4 | 37.0% |
| Travel and Lodging | $4,052 | 8 | 10.1% |
| Food and Beverage | $1,812 | 38 | 4.5% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Medtronic USA, Inc. | $39,765 | 51 | $0 (2020) |
| NuVasive, Inc. | $406.27 | 5 | $0 (2020) |
| Allergan Inc. | $53.57 | 1 | $0 (2019) |
| Medtronic, Inc. | $26.70 | 1 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $26.70 | 1 | Medtronic, Inc. ($26.70) |
| 2020 | $2,847 | 4 | Medtronic USA, Inc. ($2,806) |
| 2019 | $1,026 | 6 | Medtronic USA, Inc. ($760.72) |
| 2018 | $27,108 | 26 | Medtronic USA, Inc. ($26,955) |
| 2017 | $9,245 | 21 | Medtronic USA, Inc. ($9,245) |
All Payment Transactions
58 individual payment records from CMS Open Payments — Page 1 of 3
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 01/16/2024 | Medtronic, Inc. | ANATOMIC PEEK PTC CERVICAL FUSION SYSTEM (Device) | Food and Beverage | In-kind items and services | $26.70 | General |
| Category: Cervical | ||||||
| 10/20/2020 | NuVasive, Inc. | Brigade (Device), ALIF | Food and Beverage | In-kind items and services | $41.66 | General |
| Category: Spine/Spine Surgery | ||||||
| 06/22/2020 | Medtronic USA, Inc. | MazorX - Renaissance (Device) | Consulting Fee | Cash or cash equivalent | $2,748.50 | General |
| Category: Enabling | ||||||
| 06/17/2020 | Medtronic USA, Inc. | MazorX - Renaissance (Device) | Food and Beverage | In-kind items and services | $30.67 | General |
| Category: Enabling | ||||||
| 06/16/2020 | Medtronic USA, Inc. | MazorX - Renaissance (Device) | Food and Beverage | In-kind items and services | $26.38 | General |
| Category: Enabling | ||||||
| 11/11/2019 | NuVasive, Inc. | XLIF (Device) | Food and Beverage | In-kind items and services | $77.49 | General |
| Category: Spine/Spine Surgery | ||||||
| 08/27/2019 | Allergan Inc. | DALVANCE (Drug) | Food and Beverage | In-kind items and services | $53.57 | General |
| Category: ANTI-INFECTIVE | ||||||
| 05/03/2019 | Medtronic USA, Inc. | INFINITY OCT System (Device) | Food and Beverage | In-kind items and services | $10.15 | General |
| Category: Cervical | ||||||
| 04/19/2019 | NuVasive, Inc. | ALIF (Device) | Food and Beverage | In-kind items and services | $133.78 | General |
| Category: Spine/Spine Surgery | ||||||
| 02/07/2019 | Medtronic USA, Inc. | MazorX - Renaissance (Device) | Food and Beverage | In-kind items and services | $33.57 | General |
| Category: Enabling | ||||||
| 01/09/2019 | Medtronic USA, Inc. | MazorX - Renaissance (Device) | Consulting Fee | Cash or cash equivalent | $717.00 | General |
| Category: Enabling | ||||||
| 12/11/2018 | Medtronic USA, Inc. | MazorX - Renaissance (Device) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $2,500.00 | General |
| Category: Enabling | ||||||
| 11/30/2018 | Medtronic USA, Inc. | MazorX - Renaissance (Device) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $4,651.00 | General |
| Category: Enabling | ||||||
| 11/28/2018 | Medtronic USA, Inc. | MazorX Renaissance (Device) | Consulting Fee | Cash or cash equivalent | $7,887.00 | General |
| Category: Image Guided Surgery Products | ||||||
| 11/28/2018 | Medtronic USA, Inc. | MazorX - Renaissance (Device) | Consulting Fee | Cash or cash equivalent | $478.00 | General |
| Category: Enabling | ||||||
| 11/12/2018 | Medtronic USA, Inc. | O-ARM-Spine (Device) | Food and Beverage | In-kind items and services | $78.67 | General |
| Category: Enabling | ||||||
| 10/01/2018 | Medtronic USA, Inc. | MazorX - Renaissance (Device) | Consulting Fee | Cash or cash equivalent | $478.00 | General |
| Category: Enabling | ||||||
| 09/21/2018 | Medtronic USA, Inc. | MazorX Renaissance (Device) | Food and Beverage | In-kind items and services | $130.00 | General |
| Category: Image Guided Surgery Products | ||||||
| 09/21/2018 | Medtronic USA, Inc. | MazorX Renaissance (Device) | Travel and Lodging | In-kind items and services | $123.17 | General |
| Category: Image Guided Surgery Products | ||||||
| 09/21/2018 | Medtronic USA, Inc. | MazorX Renaissance (Device) | Food and Beverage | In-kind items and services | $67.66 | General |
| Category: Image Guided Surgery Products | ||||||
| 09/21/2018 | Medtronic USA, Inc. | MazorX Renaissance (Device) | Food and Beverage | In-kind items and services | $67.66 | General |
| Category: Image Guided Surgery Products | ||||||
| 09/21/2018 | Medtronic USA, Inc. | MazorX Renaissance (Device) | Food and Beverage | In-kind items and services | $65.82 | General |
| Category: Image Guided Surgery Products | ||||||
| 09/21/2018 | Medtronic USA, Inc. | MazorX Renaissance (Device) | Food and Beverage | In-kind items and services | $40.00 | General |
| Category: Image Guided Surgery Products | ||||||
| 09/21/2018 | Medtronic USA, Inc. | MazorX Renaissance (Device) | Food and Beverage | In-kind items and services | $39.68 | General |
| Category: Image Guided Surgery Products | ||||||
| 09/21/2018 | Medtronic USA, Inc. | MazorX Renaissance (Device) | Food and Beverage | In-kind items and services | $28.37 | General |
| Category: Image Guided Surgery Products | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 16 | 614 | 767 | $819,178 | $102,161 |
| 2022 | 14 | 405 | 484 | $624,568 | $78,032 |
| 2021 | 12 | 341 | 422 | $378,380 | $53,565 |
| 2020 | 16 | 384 | 450 | $690,426 | $83,214 |
Total Patients
1,744
Total Services
2,123
Medicare Billing
$316,971
Procedure Codes
58
All Medicare Procedures & Services
58 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 143 | 195 | $90,870 | $17,389 | 19.1% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 135 | 135 | $103,950 | $15,981 | 15.4% |
| 22633 | Fusion of spine in lower back with partial removal of spine bone and disc | Facility | 2023 | 12 | 12 | $147,311 | $14,605 | 9.9% |
| 22614 | Fusion of additional segment of spine | Facility | 2023 | 13 | 50 | $120,435 | $11,353 | 9.4% |
| 22853 | Insertion of cage or mesh device to spine bone and disc space during spine fusion | Facility | 2023 | 26 | 51 | $81,824 | $8,177 | 10.0% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2023 | 61 | 70 | $46,130 | $7,926 | 17.2% |
| 22842 | Placement of stabilizing device to back, 3-6 spine bone segments | Facility | 2023 | 12 | 12 | $56,322 | $5,431 | 9.6% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 32 | 32 | $38,506 | $3,834 | 10.0% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 50 | 56 | $16,912 | $3,228 | 19.1% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 33 | 53 | $22,705 | $3,090 | 13.6% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2023 | 17 | 17 | $17,051 | $2,578 | 15.1% |
| 63052 | Partial removal of bone of single segment of spine in lower back with release of spinal cord and/or nerves during fusion of spine in lower back | Facility | 2023 | 12 | 12 | $19,250 | $2,029 | 10.5% |
| 61783 | Computer-assisted spinal procedure | Facility | 2023 | 14 | 14 | $20,080 | $2,007 | 10.0% |
| 20937 | Harvest of bone fragment for spine bone graft | Facility | 2023 | 15 | 15 | $15,435 | $1,802 | 11.7% |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 19 | 23 | $14,249 | $1,769 | 12.4% |
| 20939 | Aspiration of bone marrow for spine bone graft | Facility | 2023 | 20 | 20 | $8,148 | $960.65 | 11.8% |
| 22612 | Fusion of spine in lower back | Facility | 2022 | 12 | 12 | $116,273 | $14,150 | 12.2% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 75 | 101 | $47,066 | $9,209 | 19.6% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 76 | 76 | $58,520 | $9,092 | 15.5% |
| 22853 | Insertion of cage or mesh device to spine bone and disc space during spine fusion | Facility | 2022 | 25 | 44 | $70,594 | $8,302 | 11.8% |
| 22558 | Fusion of lower spine bone through abdomen with partial removal of disc | Facility | 2022 | 11 | 11 | $104,993 | $7,883 | 7.5% |
| 22614 | Fusion of additional segment of spine | Facility | 2022 | 11 | 27 | $65,035 | $7,747 | 11.9% |
| 99223 | Initial hospital inpatient care per day, typically 70 minutes | Facility | 2022 | 41 | 41 | $49,335 | $5,745 | 11.6% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2022 | 39 | 42 | $27,678 | $5,225 | 18.9% |
| 61783 | Computer-assisted spinal procedure | Facility | 2022 | 17 | 17 | $24,383 | $2,868 | 11.8% |
About Dr. David Walker, MD
Dr. David Walker, MD is a Neurological Surgery healthcare provider based in Medford, Oregon. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 08/11/2005. The National Provider Identifier (NPI) number assigned to this provider is 1063414803.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. David Walker, MD has received a total of $40,252 in payments from pharmaceutical and medical device companies, with $26.70 received in 2024. These payments were reported across 58 transactions from 4 companies. The most common payment nature is "Consulting Fee" ($19,479).
As a Medicare-enrolled provider, Walker has provided services to 1,744 Medicare beneficiaries, totaling 2,123 services with total Medicare billing of $316,971. Data is available for 4 years (2020–2023), covering 58 distinct procedure/service records.
Ad
Practice Information
- Specialty Neurological Surgery
- Other Specialties Neurological Surgery, Neurological Surgery
- Location Medford, OR
- Active Since 08/11/2005
- Last Updated 12/06/2021
- Taxonomy Code 207T00000X
- Entity Type Individual
- NPI Number 1063414803
Products in Payments
- MazorX Renaissance (Device) $23,761
- MazorX - Renaissance (Device) $14,712
- CAPSTONE (Device) $968.70
- ALIF (Device) $171.61
- iGA (Device) $115.51
- O-ARM-Spine (Device) $78.67
- XLIF (Device) $77.49
- O-ARM-ST (Device) $75.60
- DALVANCE (Drug) $53.57
- Brigade (Device) $41.66
- ANATOMIC PEEK PTC CERVICAL FUSION SYSTEM (Device) $26.70
- INFINITY OCT System (Device) $10.15
- CLYDESDALE (Device) $4.38
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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