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PROVIDER PROFILE · NPI 1477888006

Katie ZellnerPA-C

Physician AssistantMilwaukee, WII
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
Total Rx claims
2,063
Beneficiaries
—
Total drug cost
$9.5M
Distinct drugs
40
Brand share
43.7%
Top prescribed drugs
Acyclovir528 claims
Ruxolitinib Phosphate329 claims
Sulfamethoxazole/Trimethoprim150 claims
Penicillin V Potassium84 claims
Belumosudil Mesylate68 claims
REFERRAL NETWORK

Where Katie Zellner'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). 6 inbound referrers · 3 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
FROEDTERT MEMORIAL LUTHERAN HOSPITAL, INC.47525
Sayed Mehdi Hamadani
Hematology-Oncology · Milwaukee, WI
28402
HARI, PARAMESWARAN20229
Jess Peterson
Pathology · Rochester, MN
2025
Saul Suster
Pathology · Milwaukee, WI
1638
HELLMAN, ROBERT1316
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
FROEDTERT MEMORIAL LUTHERAN HOSPITAL, INC.43464
Sayed Mehdi Hamadani
Hematology-Oncology · Milwaukee, WI
27398
HARI, PARAMESWARAN18230
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.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
Final MIPS score
88.0
Quality
82.8
Cost
77.2
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.55%
Group
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
85
Unique beneficiaries
—
Total services
119
Distinct HCPCS
3
Medicare payment
$4K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 2,745 Physician Assistant providers in WI — below median (cohort median 189).