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PROVIDER PROFILE · NPI 1164481412

Sigrun HallmeyerMD

Hematology-OncologyPark Ridge, ILI
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.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 140030
Hospital
CCN 140182
Hospital
CCN 140202
Hospital
CCN 140223
Hospital
CCN 140291
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
801
Beneficiaries
—
Total drug cost
$692K
Distinct drugs
14
Brand share
10.6%
Top prescribed drugs
Anastrozole353 claims
Letrozole122 claims
Abemaciclib44 claims
Tamoxifen Citrate43 claims
Prednisone39 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
580
Unique beneficiaries
—
Total services
1,056
Distinct HCPCS
9
Medicare payment
$67K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 444 Hematology-Oncology providers in IL — below median (cohort median 1,266).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$10K
Payment records
12
By payment type
Consulting Fee$10K
Grant$250
Food and Beverage$181
Top paying entities
Consulting Fee$10K
Grant$250
Food and Beverage$181
REFERRAL NETWORK

Where Sigrun Hallmeyer'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). 18 inbound referrers · 34 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ADVOCATE HEALTH AND HOSPITALS CORPORATION144700
Maria Devries
Diagnostic Radiology · Park Ridge, IL
3978
John Phillips
Diagnostic Radiology · Park Ridge, IL
33118
SIEGFRIED, MICHAEL2679
Timothy Lestingi
Hematology-Oncology · Park Ridge, IL
25266
Angel Galvez
Hematology-Oncology · Park Ridge, IL
25231
Navkiranjit Gill
Medical Oncology · North Huntingdon, PA
24177
Pamela Kaiser
Hematology-Oncology · Park Ridge, IL
2185
KHEDKAR, NANDA2171
Glen Geremia
Diagnostic Radiology · Park Ridge, IL
2088
David Okrent
Diagnostic Radiology · Park Ridge, IL
1864
LAURENT, ELISA1747
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
ADVOCATE HEALTH AND HOSPITALS CORPORATION157686
A2cl Services, Llc
Clinical Laboratory · West Allis, WI
1211,736
DOMBROWSKI, PAUL39108
Jon Richards
Hematology-Oncology · Park Ridge, IL
38289
John Anastos
Diagnostic Radiology · Park Ridge, IL
3150
OKUNO, WILLIAM30100
Alexander Michael
Diagnostic Radiology · Park Ridge, IL
3086
John Phillips
Diagnostic Radiology · Park Ridge, IL
2769
Timothy Lestingi
Hematology-Oncology · Park Ridge, IL
25218
Raja Ram Poludasu
Diagnostic Radiology · Park Ridge, IL
2460
MCFADDEN, JOHN2448
SIEGFRIED, MICHAEL2267
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.