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PROVIDER PROFILE · NPI 1205004652

Irwin GrossmanM.D.

PRACTICEI. GROSSMAN M.D., INC.See all providers at this practice →
Diagnostic RadiologyOxnard, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,559
Unique beneficiaries
—
Total services
27,832
Distinct HCPCS
44
Medicare payment
$300K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — top quintile (cohort median 2,975).
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
Final MIPS score
0.0
Quality
0.0
Cost
0.0
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
-9.00%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Irwin Grossman'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). 65 inbound referrers · 159 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
COMMUNITY MEMORIAL HEALTH SYSTEM352667
Unilab Corporation
Clinical Laboratory · West Hills, CA
341813
DIGNITY HEALTH6384
KERR, ANDREW57201
Pacific Diagnostic Laboratories
Clinical Laboratory · Santa Barbara, CA
51106
Christopher Herzig
Diagnostic Radiology · Santa Barbara, CA
5070
Scot Richardson
Neurology · Ventura, CA
50145
Neda Heidari
Neurology · Oxnard, CA
4496
Romany Demian
Internal Medicine · Oxnard, CA
4374
William Deruso
Diagnostic Radiology · Santa Barbara, CA
4356
DIGNITY HEALTH3863
David Westra
Neurosurgery · Ventura, CA
3779
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
346698
COMMUNITY MEMORIAL HEALTH SYSTEM344709
Paymann Moin
Diagnostic Radiology · Santa Barbara, CA
99132
Thomas Fogel
Radiation Oncology · Ventura, CA
89666
Mark Mitchell
Diagnostic Radiology · Oxnard, CA
85105
William Deruso
Diagnostic Radiology · Santa Barbara, CA
79112
DIGNITY HEALTH79111
Jennifer Kosek
Diagnostic Radiology · Santa Barbara, CA
78112
Jeffrey Rodnick
Radiation Oncology · Ventura, CA
75381
William King
Diagnostic Radiology · Oxnard, CA
71101
COUNTY OF VENTURA61146
Lynn Kong
Hematology-Oncology · Ventura, CA
54182
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.