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 1366493801

Esther RheiMD

Surgical OncologyBoston, MAI
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.
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
207
Unique beneficiaries
—
Total services
214
Distinct HCPCS
9
Medicare payment
$49K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 43 Surgical Oncology providers in MA — below median (cohort median 263).
REFERRAL NETWORK

Where Esther Rhei'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). 4 inbound referrers · 10 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
FROST, ELISABETH2387
Dianne Georgian-Smith
Diagnostic Radiology · Boston, MA
2053
Christine Denison
Diagnostic Radiology · Boston, MA
1236
Andrea Richardson
Pathology · Washington, DC
1124
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
BRIGHAM & WOMENS HOSPITAL, INC.197809
KNUST GRAICHEN, MARY76140
DANA-FARBER CANCER INSTITUTE, INC.60264
Sona Chikarmane
Diagnostic Radiology · Boston, MA
2197
Lorraine Smith
Diagnostic Radiology · Boston, MA
1943
Sughra Raza
Diagnostic Radiology · Worcester, MA
1852
Eva Gombos
Diagnostic Radiology · Boston, MA
1730
Jennifer Ligibel
Medical Oncology · Boston, MA
1465
Catherine Giess
Diagnostic Radiology · Boston, MA
1434
Eren Yeh
Diagnostic Radiology · Boston, MA
1222
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.