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 1033156682

Roger Shiffman

Internal MedicineMonterey, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

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

Where Roger Shiffman'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). 32 inbound referrers · 76 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
NPI 102318296186625
Michael Koontz
Medical Oncology · Monterey, CA
67647
Andrew Schmidt
Diagnostic Radiology · Monterey, CA
64224
Anthony Filly
Diagnostic Radiology · Carmel, CA
49138
Robert Gardner
Diagnostic Radiology · Monterey, CA
46179
Joan Frisoli
Diagnostic Radiology · Monterey, CA
44150
Cary Yeh
Diagnostic Radiology · Monterey, CA
44109
Ernst Hansch
Diagnostic Radiology · Edina, MN
42146
Nancy Rubin
Medical Oncology · Monterey, CA
38294
Neville Udwadia
Rheumatology · Salinas, CA
25209
American Medical Response West
Ambulance Service Provider · Salinas, CA
2590
Michael Galloway
Cardiology · Salinas, CA
2395
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
COMMUNITY HOSPITAL OF THE MONTEREY PENINSULA4336,016
Unilab Corporation
Clinical Laboratory · San Jose, CA
1161,234
Michael Koontz
Medical Oncology · Monterey, CA
84640
NPI 102318296183570
Arina Golubeva-Ganeles
Hematology-Oncology · Monterey, CA
82683
John Hausdorff
Hospice and Palliative Care · Monterey, CA
79835
Anthony Filly
Diagnostic Radiology · Carmel, CA
54153
Andrew Schmidt
Diagnostic Radiology · Monterey, CA
51231
Robert Gardner
Diagnostic Radiology · Monterey, CA
51167
Cary Yeh
Diagnostic Radiology · Monterey, CA
45121
Ernst Hansch
Diagnostic Radiology · Edina, MN
43182
Daniel Hightower
Family Practice · Monterey, CA
41135
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.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$468
Payment records
6
By payment type
Food and Beverage$468