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PROVIDER PROFILE · NPI 1104881895

Stefan ZacharyDO MS

Hand SurgeryMadison, WII
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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REFERRAL NETWORK

Where Stefan Zachary'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). 4 inbound referrers · 12 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MERITER HOSPITAL, INC.40151
Madison Surgery Center, Inc.
Ambulatory Surgical Center · Madison, WI
3047
Meriter Health Enterprises Inc.
Clinical Laboratory · Madison, WI
1857
Deborah Boushea
Internal Medicine · Monona, WI
1635
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
UNIVERSITY OF WISCONSIN HOSPITALS AND CLINICS AUTHORITY103411
Madison Surgery Center, Inc.
Ambulatory Surgical Center · Madison, WI
72129
MERITER HOSPITAL, INC.53190
James Brown
Physician Assistant · Fort Atkinson, WI
3473
Meriter Health Enterprises Inc.
Clinical Laboratory · Madison, WI
29124
Jill Guenther
Physician Assistant · Madison, WI
2050
Andrew Stoecker
Physician Assistant · Madison, WI
1838
HARM, CAROL1440
Jill Patzner
Anesthesiology · Madison, WI
1317
BYERLY, DIANNE1320
John Penner
Anesthesiology · Madison, WI
1117
NPI 13361994211118
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
186
Unique beneficiaries
—
Total services
1,282
Distinct HCPCS
11
Medicare payment
$76K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 31 Hand Surgery providers in WI — above median (cohort median 979).
PRESCRIBING · PART D · 2024
Total Rx claims
14
Beneficiaries
—
Total drug cost
$114
Distinct drugs
1
Brand share
0.0%
Top prescribed drugs
Methylprednisolone14 claims
QUALITY · MIPS · 2024
Final MIPS score
83.3
Quality
87.8
Cost
75.8
Improvement activities
40.0
Promoting interop.
77.0
Payment adjustment
0.35%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.