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PROVIDER PROFILE · NPI 1134307978

Gregory WalkerD.O.

Vascular SurgeryToledo, OHI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$476
Payment records
12
By payment type
Food and Beverage$368
Education$108
PRESCRIBING · PART D · 2024
Total Rx claims
377
Beneficiaries
—
Total drug cost
$55K
Distinct drugs
6
Brand share
47.5%
Top prescribed drugs
Clopidogrel Bisulfate116 claims
Cilostazol91 claims
Atorvastatin Calcium60 claims
Warfarin Sodium47 claims
Apixaban35 claims
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 230099
Hospital
CCN 360029
Hospital
CCN 360068
Hospital
CCN 360156
Hospital
CCN 361318
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,357
Unique beneficiaries
—
Total services
1,435
Distinct HCPCS
20
Medicare payment
$72K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 162 Vascular Surgery providers in OH — top quintile (cohort median 879).
REFERRAL NETWORK

Where Gregory Walker's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 72 inbound referrers · 193 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MERCY HEALTH - ST VINCENT MEDICAL CENTER LLC4241,135
MERCY HEALTH - TIFFIN HOSPITAL LLC123679
Gregory Kasper
Vascular Surgery · Weston, FL
74187
Adireddy Kamireddy
Internal Medicine · Toledo, OH
70158
THE TOLEDO HOSPITAL64134
Raza Hashmi
Cardiology · Toledo, OH
63120
MERCY HEALTH-ST CHARLES HOSPITAL LLC60276
Atif Siddiqi
Diagnostic Radiology · Ypsilanti, MI
5693
Pauldeep Bahra
Diagnostic Radiology · Fort Worth, TX
56112
Syed Zamir
Interventional Radiology · Toledo, OH
55116
Mohammed Taleb
Cardiology · Toledo, OH
5383
Showkat Ahmad
Family Practice · Toledo, OH
4690
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
MERCY HEALTH - ST VINCENT MEDICAL CENTER LLC4251,565
MERCY HEALTH - TIFFIN HOSPITAL LLC161969
LIFESTAR AMBULANCE INC.154656
Laura Hogan
Diagnostic Radiology · Glenwood Springs, CO
100237
Charles Croteau
Diagnostic Radiology · Portland, OR
99278
Gregory Kasper
Vascular Surgery · Weston, FL
88243
MALUDY, JEFFREY82169
Salil Avasthi
Pulmonary Disease · Toledo, OH
80300
Subrahmanyam Chodisetty
Neurology · Toledo, OH
78205
Ahmed Arshad
Neurology · Toledo, OH
78171
James Tita
Pulmonary Disease · Toledo, OH
76238
Mohammed Taleb
Cardiology · Toledo, OH
75138
Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.