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PROVIDER PROFILE · NPI 1467493536

Brian NagaiM.D.

Diagnostic RadiologyFremont, 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
2,387
Unique beneficiaries
—
Total services
39,979
Distinct HCPCS
48
Medicare payment
$282K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — top quintile (cohort median 2,975).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Brian Nagai'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). 159 inbound referrers · 293 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MARIN GENERAL HOSPITAL1,6203,881
SUTTER BAY HOSPITALS297657
Philip Kurzman
Diagnostic Radiology · Greenbrae, CA
280730
ORWIG, DENNIS243656
Donna Hoghooghi
Diagnostic Radiology · Greenbrae, CA
230612
Robert Wirth
Diagnostic Radiology · Novato, CA
204486
Natalya Lvoff
Diagnostic Radiology · Greenbrae, CA
183431
William Demartini
Diagnostic Radiology · Greenbrae, CA
181464
BAER, MARGARET159413
North Star Emergency Services, Inc.
Ambulance Service Provider · Livermore, CA
130334
Adam Baumgarten
Cardiology · Larkspur, CA
130349
Ilkcan Cokgor
Neurology · Greenbrae, CA
124330
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
MARIN GENERAL HOSPITAL7771,876
North Star Emergency Services, Inc.
Ambulance Service Provider · Livermore, CA
296704
Adam Nevitt
Diagnostic Radiology · Daly City, CA
248902
Ralph Koenker
Diagnostic Radiology · Novato, CA
234572
Felix Adler
Diagnostic Radiology · Mountain View, CA
231471
Philip Kurzman
Diagnostic Radiology · Greenbrae, CA
228608
SONOMA VALLEY HEALTH CARE DISTRICT213419
Robert Wirth
Diagnostic Radiology · Novato, CA
201550
Donna Hoghooghi
Diagnostic Radiology · Greenbrae, CA
188513
ORWIG, DENNIS188534
SUTTER BAY HOSPITALS174407
Vida Campbell
Diagnostic Radiology · Palo Alto, CA
173414
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.