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PROVIDER PROFILE · NPI 1972601409

Gregory ZimmermannM.D.

PRACTICEASSOCIATED RADIOLOGISTS, PASee all providers at this practice →
Diagnostic RadiologyHagerstown, MDI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
Final MIPS score
95.8
Quality
95.1
Cost
0.0
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.88%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
5,474
Unique beneficiaries
—
Total services
20,781
Distinct HCPCS
62
Medicare payment
$307K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 630 Diagnostic Radiology providers in MD — top quintile (cohort median 5,711).
REFERRAL NETWORK

Where Gregory Zimmermann'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). 165 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Kevin Mccarthy
Diagnostic Radiology · Eden Prairie, MN
240304
Mansoor Husain
Diagnostic Radiology · Hagerstown, MD
236304
Robert Mazzei
Diagnostic Radiology · Hagerstown, MD
180234
Dean Notabartolo
Cardiology · Hagerstown, MD
146196
Shamim Dada
Diagnostic Radiology · Hagerstown, MD
143164
Candace Crist
Emergency Medicine · Gettysburg, PA
131184
Cambria Baylor
Emergency Medicine · Hagerstown, MD
130199
Jeffrey Jones
Cardiology · Hagerstown, MD
123164
Donald Vanwie
Emergency Medicine · Baltimore, MD
118172
Quest Diagnostics Incorporated Md
Clinical Laboratory · Baltimore, MD
117157
Lisa Higginbotham
Internal Medicine · Waynesboro, PA
115232
Judith Njomo
Hospitalist · Hagerstown, MD
112204
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
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.