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PROVIDER PROFILE · NPI 1174668404

Karen GremmingerM.D.

Medical OncologyGlobe, AZI
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 (3)

CCN 031314
Hospital
CCN 031319
Hospital
CCN 031320
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
389
Beneficiaries
—
Total drug cost
$946K
Distinct drugs
22
Brand share
35.7%
Top prescribed drugs
Ibrutinib31 claims
Dexamethasone31 claims
Tamoxifen Citrate28 claims
Levothyroxine Sodium25 claims
Apixaban24 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$359
Payment records
16
By payment type
Food and Beverage$359
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
313
Unique beneficiaries
—
Total services
668
Distinct HCPCS
6
Medicare payment
$46K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 52 Medical Oncology providers in AZ — bottom quintile (cohort median 33,626).
REFERRAL NETWORK

Where Karen Gremminger'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). 24 inbound referrers · 46 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MERCY MEDICAL CENTER OF OSHKOSH, INC.2103,556
Robert Garofalo
Diagnostic Radiology · Neenah, WI
35300
Daren Tompkins
Pathology · Oshkosh, WI
27158
Corbin Asbury
Diagnostic Radiology · Neenah, WI
26261
Lars Swanson
Internal Medicine · Oshkosh, WI
22201
ASCENSION NE WISCONSIN, INC20138
LARSON, PAUL19122
AURORA MEDICAL CENTER OF OSHKOSH, INC1973
Daniel Macksood
Diagnostic Radiology · Neenah, WI
1875
Douglas Conners
Diagnostic Radiology · New Berlin, WI
18220
Issam Al-Bitar
Interventional Cardiology · Pensacola, FL
18181
Benjamin Heinzen
Internal Medicine · Oshkosh, WI
17120
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
MERCY MEDICAL CENTER OF OSHKOSH, INC.1652,621
Thomas Klinkhammer
Hematology-Oncology · Weston, WI
761,899
THEDACARE REGIONAL MEDICAL CENTER-NEENAH, INC.53405
Robert Garofalo
Diagnostic Radiology · Neenah, WI
40416
THEDACARE MEDICAL CENTER - BERLIN, INC.39513
Corbin Asbury
Diagnostic Radiology · Neenah, WI
31289
Rick Davis
Radiation Oncology · Oshkosh, WI
281,017
Daren Tompkins
Pathology · Oshkosh, WI
27153
MINISTRY HOME CARE, LLC.26199
Lars Swanson
Internal Medicine · Oshkosh, WI
26249
ASCENSION NE WISCONSIN, INC26102
Joseph Introcaso
Diagnostic Radiology · Neenah, WI
23137
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.