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 1497795496

Robert Petty

Emergency MedicineSonoma, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
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
No data available for this provider in 2024.
REFERRAL NETWORK

Where Robert Petty'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). 19 inbound referrers · 63 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
GRIFFIN, WILLIAM244716
City Of Sonoma
Ambulance Service Provider · Sonoma, CA
81185
Courtney Virgilio
Cardiology · Hermiston, OR
4287
William Demartini
Diagnostic Radiology · Greenbrae, CA
3785
Robert Wirth
Diagnostic Radiology · Novato, CA
3371
Vikrant Moharir
Emergency Medicine · Santa Barbara, CA
3288
James Price
Internal Medicine · Sonoma, CA
31102
Maria Michnowska
Internal Medicine · San Andreas, CA
2588
Dennis Verducci
Internal Medicine · Sonoma, CA
2076
Philip Kurzman
Diagnostic Radiology · Greenbrae, CA
1731
Brian Sebastian
Internal Medicine · Sonoma, CA
1660
Brian Nagai
Diagnostic Radiology · Fremont, CA
1530
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
MARK TWAIN MEDICAL CENTER3421,421
SONOMA VALLEY HEALTH CARE DISTRICT242800
American Legion Post No. 108 Ambulance Service
Ambulance Service Provider · Jackson, CA
129376
GRIFFIN, WILLIAM108369
LORENZ, RANDALL58304
Dean Kelaita
Family Practice · San Andreas, CA
41157
SONORA COMMUNITY HOSPITAL40139
James Price
Internal Medicine · Sonoma, CA
34119
William Demartini
Diagnostic Radiology · Greenbrae, CA
3382
Maria Michnowska
Internal Medicine · San Andreas, CA
30160
Gordon Lum
Family Practice · Redding, CA
3099
PORT CITY OPERATING COMPANY, LLC2866
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.