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PROVIDER PROFILE · NPI 1326039074

William MatthaeusMD

Hematology-OncologyMilwaukee, WII
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

CCN 521528
Hospice
CCN 520035
Hospital
CCN 520138
Hospital
CCN 520139
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
1,306
Beneficiaries
—
Total drug cost
$4.2M
Distinct drugs
39
Brand share
35.8%
Top prescribed drugs
Anastrozole172 claims
Prochlorperazine Maleate88 claims
Letrozole84 claims
Prednisone62 claims
Apixaban55 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
315
Unique beneficiaries
—
Total services
592
Distinct HCPCS
7
Medicare payment
$41K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 202 Hematology-Oncology providers in WI — below median (cohort median 680).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where William Matthaeus'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). 12 inbound referrers · 9 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
WEST ALLIS MEMORIAL HOSPITAL, INC.50166
ASCENSION SE WISCONSIN HOSPITAL, INC1954
VISITING NURSE ASSOCIATION OF WISCONSIN, INC.1654
CALVY, THOMAS1325
Lynn Gilles
Diagnostic Radiology · Milwaukee, WI
1324
FROEDTERT MEMORIAL LUTHERAN HOSPITAL, INC.1339
Rubina Qamar
Medical Oncology · Milwaukee, WI
13136
VISITING NURSE ASSOCIATION OF WISCONSIN, INC.1328
Bell Ambulance, Inc.
Ambulance Service Provider · Milwaukee, WI
1127
Robert Neimon
Diagnostic Radiology · Milwaukee, WI
1148
Mack Karnes
Diagnostic Radiology · St Francis, WI
1123
Peter Drescher
Diagnostic Radiology · New Berlin, WI
1133
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
AURORA HEALTH CARE METRO, INC.1511,039
A2cl Services, Llc
Clinical Laboratory · West Allis, WI
46181
WEST ALLIS MEMORIAL HOSPITAL, INC.39162
ASCENSION SE WISCONSIN HOSPITAL, INC2159
VISITING NURSE ASSOCIATION OF WISCONSIN, INC.2057
OESTERLING, KURT1544
Robert Taylor
Hematology-Oncology · Milwaukee, WI
15282
Laura Mcgartland
Hematology-Oncology · Milwaukee, WI
1376
Ascension Wisconsin Laboratories, Inc
Clinical Laboratory · Milwaukee, WI
1357
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.