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 1417054941

NPI 1417054941

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
REFERRAL NETWORK

Where NPI 1417054941'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). 10 inbound referrers · 18 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MARIN GENERAL HOSPITAL108465
INTERNIST LABORATORY77271
Sandra Shefrin
Neurology · Mill Valley, CA
1865
Philip Kurzman
Diagnostic Radiology · Greenbrae, CA
1639
David Laub
Dermatology · Mill Valley, CA
1531
Donna Hoghooghi
Diagnostic Radiology · Greenbrae, CA
1429
John Shin
Ophthalmology · San Rafael, CA
1334
ORWIG, DENNIS1231
Mark Wexman
Cardiology · Larkspur, CA
1225
BAER, MARGARET1127
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
CALIFORNIA LABORATORY SCIENCES LLC124435
MARIN GENERAL HOSPITAL93353
INTERNIST LABORATORY50165
UNIVERSITY OF CALIFORNIA, SAN FRANCISCO2256
John Shin
Ophthalmology · San Rafael, CA
1940
Sandra Shefrin
Neurology · Mill Valley, CA
1882
James Adams
Internal Medicine · Larkspur, CA
1873
STRUNK, BRIAN1549
ORWIG, DENNIS1531
Adam Nevitt
Diagnostic Radiology · Daly City, CA
1435
BAER, MARGARET1336
Felix Adler
Diagnostic Radiology · Mountain View, CA
1328
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.
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.