Dr. Gregory Walker, D.O

Vascular Surgery Toledo, OH Male
NPI: 1134307978
Total Payments
$10,135
2024 Payments
$476.15
Companies
22
Transactions
95
Medicare Patients
2,517
Medicare Billing
$162,734

Payment Breakdown by Category

Travel$6,795 (67.0%)
Food & Beverage$3,232 (31.9%)
Education$107.75 (1.1%)
Other$0.00 (0.0%)

Payments by Nature

Nature of Payment Amount Transactions Share
Travel and Lodging $6,795 6 67.0%
Food and Beverage $3,232 88 31.9%
Education $107.75 1 1.1%

Top Paying Companies

Company Total Records Latest Year
Medtronic, Inc. $4,517 23 $0 (2024)
Medtronic Vascular, Inc. $3,205 11 $0 (2019)
Boston Scientific Corporation $1,074 29 $0 (2022)
Silk Road Medical, Inc. $305.17 4 $0 (2023)
Bard Peripheral Vascular, Inc. $142.47 3 $0 (2024)
Integra LifeSciences Corporation $127.30 4 $0 (2022)
Cook Incorporated $105.80 1 $0 (2017)
EKOS Corporation $102.06 1 $0 (2019)
Bolton Medical Inc $98.91 1 $0 (2024)
Janssen Pharmaceuticals, Inc $93.36 2 $0 (2023)

Payment History by Year

Year Amount Transactions Top Company
2024 $476.15 12 Medtronic, Inc. ($162.07)
2023 $1,670 24 Medtronic, Inc. ($1,253)
2022 $3,357 11 Medtronic, Inc. ($3,103)
2021 $167.23 5 BOSTON SCIENTIFIC CORPORATION ($143.02)
2020 $24.47 2 Boston Scientific Corporation ($21.91)
2019 $3,307 12 Medtronic Vascular, Inc. ($3,190)
2018 $304.68 11 BOSTON SCIENTIFIC CORPORATION ($250.90)
2017 $828.75 18 BOSTON SCIENTIFIC CORPORATION ($640.86)

All Payment Transactions

95 individual payment records from CMS Open Payments — Page 1 of 4

Date Company Product Nature Form Amount Type
10/30/2024 Bolton Medical Inc TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) Food and Beverage In-kind items and services $98.91 General
Category: ENDOVASCULAR AORTIC REPAIR
10/10/2024 Medtronic, Inc. ENDURANT IIS (Device) Food and Beverage In-kind items and services $62.66 General
Category: Aortic Stent Grafts
09/20/2024 Bard Peripheral Vascular, Inc. — Food and Beverage In-kind items and services $18.18 General
09/18/2024 Medtronic, Inc. VALIANT CAPTIVIA (Device) Food and Beverage In-kind items and services $29.50 General
Category: Aortic Stent Grafts
07/31/2024 Endologix LLC Torus Stent Graft System (Device), ENDOCROSS Device Food and Beverage In-kind items and services $26.03 General
Category: Cardiology/Vascular Diseases
07/25/2024 Medtronic, Inc. ENDURANT IIS (Device) Food and Beverage In-kind items and services $31.96 General
Category: Aortic Stent Grafts
07/25/2024 Medtronic, Inc. ENDURANT IIS (Device) Food and Beverage In-kind items and services $10.57 General
Category: Aortic Stent Grafts
06/25/2024 LeMaitre Vascular, Inc. XENOSURE BIOLOGIC PATCH (Device) Food and Beverage Cash or cash equivalent $19.74 General
Category: XENOSURE
05/08/2024 Inari Medical, Inc. FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT Food and Beverage In-kind items and services $20.28 General
Category: VTE
03/23/2024 Bard Peripheral Vascular, Inc. — Education In-kind items and services $107.75 General
03/06/2024 Novartis Pharmaceuticals Corporation LEQVIO (Drug) Food and Beverage In-kind items and services $23.19 General
Category: Cardiology/Vascular Diseases
02/10/2024 Medtronic, Inc. ENDURANT IIS (Device) Food and Beverage In-kind items and services $27.38 General
Category: Aortic Stent Grafts
11/09/2023 Inari Medical, Inc. FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT Food and Beverage In-kind items and services $20.00 General
Category: VTE
10/17/2023 Silk Road Medical, Inc. ENROUTE Transcarotid Stent (Device), ENROUTE Transcarotid Neuroprotection System Food and Beverage In-kind items and services $19.72 General
Category: Cardiology/Vascular Diseases
10/02/2023 Silk Road Medical, Inc. ENROUTE Transcarotid Neuroprotection System (Device), ENROUTE Transcarotid Stent Food and Beverage In-kind items and services $127.76 General
Category: Cardiology/Vascular Diseases
09/29/2023 Janssen Pharmaceuticals, Inc XARELTO (Drug) Food and Beverage In-kind items and services $13.58 General
Category: Cardiovascular & Metabolism
08/25/2023 Silk Road Medical, Inc. ENROUTE Transcarotid Neuroprotection System (Device), ENROUTE Transcarotid Stent Food and Beverage In-kind items and services $14.60 General
Category: Cardiology/Vascular Diseases
08/18/2023 Bard Peripheral Vascular, Inc. — Food and Beverage In-kind items and services $16.54 General
05/16/2023 Medtronic, Inc. ENDURANT IIS (Device) Food and Beverage In-kind items and services $24.81 General
Category: Aortic Stent Grafts
04/28/2023 E.R. Squibb & Sons, L.L.C. ELIQUIS (Drug) Food and Beverage Cash or cash equivalent $14.11 General
Category: Cardiovascular
04/19/2023 Medtronic, Inc. ENDURANT IIS (Device) Travel and Lodging In-kind items and services $693.34 General
Category: Aortic Stent Grafts
04/19/2023 Medtronic, Inc. ENDURANT IIS (Device) Food and Beverage In-kind items and services $145.47 General
Category: Aortic Stent Grafts
04/18/2023 Medtronic, Inc. ENDURANT IIS (Device) Travel and Lodging In-kind items and services $175.98 General
Category: Aortic Stent Grafts
04/17/2023 Medtronic, Inc. ENDURANT IIS (Device) Food and Beverage In-kind items and services $2.61 General
Category: Aortic Stent Grafts
04/17/2023 Medtronic, Inc. ENDURANT IIS (Device) Food and Beverage In-kind items and services $2.54 General
Category: Aortic Stent Grafts
1234»

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 19 950 1,000 $116,056 $43,532
2022 14 544 597 $80,960 $36,233
2021 13 515 575 $103,654 $46,204
2020 11 508 573 $85,328 $36,765
Total Patients
2,517
Total Services
2,745
Medicare Billing
$162,734
Procedure Codes
61

All Medicare Procedures & Services

61 procedure records from CMS Medicare Utilization — Page 1 of 3

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2023 187 206 $23,072 $13,052 56.6%
99203 New patient office or other outpatient visit, 30-44 minutes Office 2023 64 64 $10,688 $5,254 49.2%
93880 Ultrasound of both sides of head and neck blood flow Facility 2023 136 136 $13,600 $3,891 28.6%
93970 Ultrasound study of arm or leg veins with compression and maneuvers Facility 2023 127 131 $14,672 $3,211 21.9%
99212 Established patient office or other outpatient visit, 10-19 minutes Office 2023 57 71 $5,325 $2,850 53.5%
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist Facility 2023 11 13 $6,422 $2,437 37.9%
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 30 36 $4,572 $2,244 49.1%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2023 11 11 $3,465 $1,426 41.2%
36901 Insertion of needle and/or tube into hemodialysis circuit with review by radiologist Facility 2023 11 12 $4,104 $1,385 33.7%
93923 Complete ultrasound study of arm and leg arteries Facility 2023 69 71 $5,325 $1,186 22.3%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 14 14 $2,310 $1,086 47.0%
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes Facility 2023 15 15 $2,655 $984.60 37.1%
93971 Ultrasound study of one arm or leg veins with compression and maneuvers Facility 2023 54 55 $4,180 $894.11 21.4%
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts Facility 2023 28 29 $3,190 $752.53 23.6%
93975 Complete ultrasound of abdomen and pelvis artery and vein blood flow Facility 2023 15 15 $4,380 $657.79 15.0%
93880 Ultrasound of both sides of head and neck blood flow Office 2023 22 22 $2,200 $642.37 29.2%
93925 Ultrasound of leg arteries or artery grafts Facility 2023 18 18 $1,710 $497.08 29.1%
93970 Ultrasound study of arm or leg veins with compression and maneuvers Office 2023 11 11 $1,232 $269.43 21.9%
93926 Ultrasound of one leg arteries or artery grafts Facility 2023 14 14 $896.00 $215.66 24.1%
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes Facility 2023 21 21 $525.00 $208.74 39.8%
93922 Ultrasound study of arm and leg arteries Facility 2023 23 23 $621.00 $201.32 32.4%
93971 Ultrasound study of one arm or leg veins with compression and maneuvers Office 2023 12 12 $912.00 $185.57 20.3%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2022 189 217 $24,304 $13,757 56.6%
99203 New patient office or other outpatient visit, 30-44 minutes Office 2022 63 63 $10,521 $4,787 45.5%
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist Office 2022 14 14 $6,916 $2,685 38.8%
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About Dr. Gregory Walker, D.O

Dr. Gregory Walker, D.O is a Vascular Surgery healthcare provider based in Toledo, Ohio. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 02/04/2008. The National Provider Identifier (NPI) number assigned to this provider is 1134307978.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Gregory Walker, D.O has received a total of $10,135 in payments from pharmaceutical and medical device companies, with $476.15 received in 2024. These payments were reported across 95 transactions from 22 companies. The most common payment nature is "Travel and Lodging" ($6,795).

As a Medicare-enrolled provider, Walker has provided services to 2,517 Medicare beneficiaries, totaling 2,745 services with total Medicare billing of $162,734. Data is available for 4 years (2020–2023), covering 61 distinct procedure/service records.

Practice Information

  • Specialty Vascular Surgery
  • Location Toledo, OH
  • Active Since 02/04/2008
  • Last Updated 11/03/2023
  • Taxonomy Code 2086S0129X
  • Entity Type Individual
  • NPI Number 1134307978

Products in Payments

  • ENDURANT IIS (Device) $4,488
  • Valiant Navion (Device) $3,054
  • ANGIOJET (Device) $335.17
  • GENERAL - ATHERECTOMY (Device) $191.58
  • ENROUTE Transcarotid Stent (Device) $162.81
  • Endurant (Device) $150.54
  • ENROUTE Transcarotid Neuroprotection System (Device) $142.36
  • GENERAL - VASCULAR INTERVENTION (Device) $129.52
  • AMNIOEXCEL (Device) $112.83
  • Cook Medical Thoracic (Device) $105.80
  • EKOSONIC (Device) $102.06
  • TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) $98.91
  • XARELTO (Drug) $93.36
  • GENERAL NONVASCULAR INTERVENTION (Device) $93.10
  • Indigo (Device) $82.09
  • GENERAL METALLIC STENTS (Device) $72.94
  • FLOWTRIEVER CATHETER, S (Device) $70.19
  • OTHER- BSC PRODUCT NOT LISTED (Device) $68.29
  • ELIQUIS (Drug) $45.94
  • 0.018" AND 0.035" FIBERED PLATINUM COILS (Device) $43.03

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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