Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Travel and Lodging | $9,035 | 45 | 37.9% |
| Food and Beverage | $8,800 | 155 | 36.9% |
| Education | $6,016 | 6 | 25.2% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Stryker Corporation | $7,780 | 71 | $0 (2024) |
| ImpactOrtho, Inc. | $4,346 | 35 | $0 (2024) |
| ROCK MEDICAL ORTHOPEDICS, INC. | $3,639 | 6 | $0 (2022) |
| Sonex Health, Inc. | $1,763 | 17 | $0 (2024) |
| Zimmer Biomet Holdings, Inc. | $1,667 | 23 | $0 (2023) |
| Arthrex, Inc. | $1,346 | 10 | $0 (2023) |
| TriMed, Inc. | $1,194 | 2 | $0 (2023) |
| Nalu Medical, Inc. | $553.34 | 12 | $0 (2024) |
| DePuy Synthes Sales Inc. | $331.91 | 6 | $0 (2023) |
| Smith+Nephew, Inc. | $320.12 | 7 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,984 | 38 | Stryker Corporation ($810.16) |
| 2023 | $11,693 | 115 | Stryker Corporation ($4,431) |
| 2022 | $7,636 | 49 | Stryker Corporation ($2,539) |
| 2021 | $2,538 | 4 | ROCK MEDICAL ORTHOPEDICS, INC. ($1,218) |
All Payment Transactions
206 individual payment records from CMS Open Payments — Page 1 of 9
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/21/2024 | Stryker Corporation | MAKO (Device) | Food and Beverage | In-kind items and services | $24.70 | General |
| Category: KNEES, HIPS | ||||||
| 12/20/2024 | Shoulder Innovations, Inc. | InSet System (Device) | Food and Beverage | Cash or cash equivalent | $50.25 | General |
| Category: Orthopedic Implant | ||||||
| 12/18/2024 | ImpactOrtho, Inc. | — | Food and Beverage | In-kind items and services | $10.20 | General |
| 12/13/2024 | Sonex Health, Inc. | SX-ONE MICROKNIFE (Device) | Food and Beverage | In-kind items and services | $24.20 | General |
| Category: ORTHOPEDIC | ||||||
| 12/13/2024 | Stryker Corporation | AEQUALIS PERFORM REVERSED (Device) | Food and Beverage | In-kind items and services | $21.54 | General |
| Category: TRAUMA & EXTREMITIES | ||||||
| 11/25/2024 | Stryker Corporation | AEQUALIS PERFORM REVERSED (Device) | Food and Beverage | In-kind items and services | $52.11 | General |
| Category: TRAUMA & EXTREMITIES | ||||||
| 11/22/2024 | Sonex Health, Inc. | SX-ONE MICROKNIFE (Device) | Food and Beverage | In-kind items and services | $18.23 | General |
| Category: ORTHOPEDIC | ||||||
| 11/19/2024 | ImpactOrtho, Inc. | — | Food and Beverage | In-kind items and services | $40.45 | General |
| 10/31/2024 | Stryker Corporation | BLUEPRINT PATIENT SPECIFIC INSTRUMENTATION (Device) | Food and Beverage | In-kind items and services | $12.35 | General |
| Category: TRAUMA & EXTREMITIES | ||||||
| 10/25/2024 | Nalu Medical, Inc. | Nalu Neurostimulation System (Device) | Food and Beverage | In-kind items and services | $122.64 | General |
| Category: Pain Management | ||||||
| 09/28/2024 | Stryker Corporation | AXSOS (Device) | Food and Beverage | In-kind items and services | $14.50 | General |
| Category: LOCKING PLATES | ||||||
| 09/13/2024 | Nalu Medical, Inc. | Nalu Neurostimulation System (Device) | Food and Beverage | In-kind items and services | $28.93 | General |
| Category: Pain Management | ||||||
| 09/12/2024 | Nalu Medical, Inc. | Nalu Neurostimulation System (Device) | Food and Beverage | In-kind items and services | $9.62 | General |
| Category: Pain Management | ||||||
| 09/03/2024 | Abbott Laboratories | PROCLAIM (Device) | Food and Beverage | In-kind items and services | $18.17 | General |
| Category: Neuromodulation | ||||||
| 08/13/2024 | ImpactOrtho, Inc. | — | Food and Beverage | In-kind items and services | $55.24 | General |
| 08/05/2024 | Stryker Corporation | ACTISHIELD (Device) | Travel and Lodging | Cash or cash equivalent | $524.12 | General |
| Category: TRAUMA & EXTREMITIES | ||||||
| 07/22/2024 | Nalu Medical, Inc. | Nalu Neurostimulation System (Device) | Food and Beverage | In-kind items and services | $6.63 | General |
| Category: Pain Management | ||||||
| 07/17/2024 | Smith+Nephew, Inc. | EVOS (Device), Evos Mini, EVOS | Food and Beverage | In-kind items and services | $37.22 | General |
| Category: Trauma Plates, Screws, and Nails | ||||||
| 07/10/2024 | Integra LifeSciences Corporation | Integra (Device), Integra, Integra | Food and Beverage | In-kind items and services | $36.30 | General |
| Category: Recon-Skin and Wound | ||||||
| 06/21/2024 | Nalu Medical, Inc. | Nalu Neurostimulation System (Device) | Food and Beverage | In-kind items and services | $5.64 | General |
| Category: Pain Management | ||||||
| 06/18/2024 | Nalu Medical, Inc. | Nalu Neurostimulation System (Device) | Food and Beverage | In-kind items and services | $42.79 | General |
| Category: Pain Management | ||||||
| 06/04/2024 | Smith+Nephew, Inc. | — | Food and Beverage | In-kind items and services | $17.21 | General |
| 06/01/2024 | Shoulder Innovations, Inc. | InSet System (Device) | Food and Beverage | Cash or cash equivalent | $18.80 | General |
| Category: Orthopedic Implant | ||||||
| 05/31/2024 | Sonex Health, Inc. | SX-ONE MICROKNIFE (Device) | Food and Beverage | In-kind items and services | $28.89 | General |
| Category: ORTHOPEDIC | ||||||
| 05/30/2024 | Stryker Corporation | AEQUALIS PERFORM REVERSED (Device) | Food and Beverage | In-kind items and services | $25.25 | General |
| Category: TRAUMA & EXTREMITIES | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 16 | 851 | 1,657 | $1.9M | $96,201 |
| 2022 | 7 | 142 | 265 | $306,991 | $11,693 |
All Medicare Procedures & Services
23 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 27236 | Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement | Facility | 2023 | 21 | 21 | $371,085 | $18,556 | 5.0% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 116 | 168 | $322,991 | $15,608 | 4.8% |
| 27245 | Treatment of broken neck of thigh bone with bone implant | Facility | 2023 | 14 | 14 | $253,457 | $13,247 | 5.2% |
| 77002 | Fluoroscopic guidance for needle placement | Office | 2023 | 82 | 111 | $193,630 | $9,754 | 5.0% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 94 | 128 | $172,561 | $8,626 | 5.0% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 70 | 70 | $135,263 | $6,940 | 5.1% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 58 | 58 | $149,394 | $6,546 | 4.4% |
| 20610 | Aspiration and/or injection of fluid from large joint | Office | 2023 | 69 | 95 | $97,407 | $4,820 | 4.9% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 53 | 53 | $87,765 | $4,168 | 4.7% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Office | 2023 | 47 | 58 | $48,684 | $2,392 | 4.9% |
| 20550 | Injection into tendon or ligament | Office | 2023 | 42 | 60 | $52,411 | $2,236 | 4.3% |
| 73130 | X-ray of hand, minimum of 3 views | Office | 2023 | 21 | 30 | $16,453 | $855.30 | 5.2% |
| 20600 | Aspiration and/or injection of fluid from small joint | Office | 2023 | 12 | 18 | $15,708 | $755.70 | 4.8% |
| 73110 | X-ray of wrist, minimum of 3 views | Office | 2023 | 18 | 22 | $13,292 | $688.26 | 5.2% |
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Office | 2023 | 122 | 734 | $6,544 | $628.81 | 9.6% |
| 73070 | X-ray of elbow, 2 views | Office | 2023 | 12 | 17 | $7,643 | $380.18 | 5.0% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 24 | 24 | $81,126 | $3,061 | 3.8% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 27 | 30 | $77,662 | $2,964 | 3.8% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 21 | 23 | $42,162 | $1,613 | 3.8% |
| 99222 | Initial hospital inpatient care per day, typically 50 minutes | Facility | 2022 | 14 | 14 | $37,996 | $1,453 | 3.8% |
| 77002 | Fluoroscopic guidance for needle placement | Office | 2022 | 14 | 14 | $35,550 | $1,269 | 3.6% |
| 20610 | Aspiration and/or injection of fluid from large joint | Office | 2022 | 19 | 21 | $31,557 | $1,207 | 3.8% |
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Office | 2022 | 23 | 139 | $938.25 | $126.67 | 13.5% |
About Dr. Robert Walker, MD
Dr. Robert Walker, MD is a Orthopaedic Surgery healthcare provider based in Scottsdale, Arizona. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 03/24/2016. The National Provider Identifier (NPI) number assigned to this provider is 1639531908.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Robert Walker, MD has received a total of $23,851 in payments from pharmaceutical and medical device companies, with $1,984 received in 2024. These payments were reported across 206 transactions from 19 companies. The most common payment nature is "Travel and Lodging" ($9,035).
As a Medicare-enrolled provider, Walker has provided services to 993 Medicare beneficiaries, totaling 1,922 services with total Medicare billing of $107,895. Data is available for 2 years (2022–2023), covering 23 distinct procedure/service records.
Practice Information
- Specialty Orthopaedic Surgery
- Other Specialties Hand Surgery
- Location Scottsdale, AZ
- Active Since 03/24/2016
- Last Updated 11/04/2025
- Taxonomy Code 207X00000X
- Entity Type Individual
- NPI Number 1639531908
Products in Payments
- BLUEPRINT PATIENT SPECIFIC INSTRUMENTATION (Device) $3,539
- SX-ONE MICROKNIFE (Device) $1,763
- Comprehensive Shoulder System (Device) $1,042
- MAKO (Device) $926.15
- PRO (Device) $679.18
- AXSOS (Device) $649.89
- Nalu Neurostimulation System (Device) $553.34
- ACTISHIELD (Device) $524.12
- VARIAX (Device) $329.46
- Integra (Device) $259.00
- ACUMED (Device) $256.17
- AEQUALIS PERFORM REVERSED (Device) $185.58
- AEQUALIS FLEX REVIVE (Device) $172.70
- ORTHOLOC 3DI (Device) $170.19
- TRIGEN INTERTAN (Device) $153.32
- HOFFMANN (Device) $152.75
- EVOS (Device) $136.00
- Velys (Device) $134.63
- Comprehensive (Device) $123.82
- XIAFLEX (Biological) $120.56
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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