caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1427091016

William DemartiniM.D.

PRACTICEDANA FORMAN, INC.See all providers at this practice →
Diagnostic RadiologyGreenbrae, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
Final MIPS score
90.9
Quality
91.9
Cost
79.3
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.67%
Group
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,330
Unique beneficiaries
—
Total services
2,437
Distinct HCPCS
49
Medicare payment
$69K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — below median (cohort median 2,975).
REFERRAL NETWORK

Where William Demartini'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). 140 inbound referrers · 263 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MARIN GENERAL HOSPITAL7271,678
Robert Wirth
Diagnostic Radiology · Novato, CA
292771
Philip Kurzman
Diagnostic Radiology · Greenbrae, CA
226618
SUTTER BAY HOSPITALS192358
James Price
Internal Medicine · Sonoma, CA
181550
City Of Sonoma
Ambulance Service Provider · Sonoma, CA
177355
Donna Hoghooghi
Diagnostic Radiology · Greenbrae, CA
164441
Brian Nagai
Diagnostic Radiology · Fremont, CA
163489
ORWIG, DENNIS156467
Natalya Lvoff
Diagnostic Radiology · Greenbrae, CA
128310
Brian Sebastian
Internal Medicine · Sonoma, CA
116346
Dennis Verducci
Internal Medicine · Sonoma, CA
116418
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SONOMA VALLEY HEALTH CARE DISTRICT1,0282,398
MARIN GENERAL HOSPITAL356843
Robert Wirth
Diagnostic Radiology · Novato, CA
283781
North Star Emergency Services, Inc.
Ambulance Service Provider · Livermore, CA
197510
Adam Nevitt
Diagnostic Radiology · Daly City, CA
185625
Brian Nagai
Diagnostic Radiology · Fremont, CA
181464
Philip Kurzman
Diagnostic Radiology · Greenbrae, CA
177483
Ralph Koenker
Diagnostic Radiology · Novato, CA
162450
Felix Adler
Diagnostic Radiology · Mountain View, CA
159393
Dennis Verducci
Internal Medicine · Sonoma, CA
152686
James Price
Internal Medicine · Sonoma, CA
149449
ORWIG, DENNIS134393
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.