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 1659406130

NPI 1659406130

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.
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where NPI 1659406130'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 · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Guobin Song
Radiation Oncology · Seattle, WA
471,523
Kasra Badiozamani
Radiation Oncology · Palm Coast, FL
451,658
Hiroki Mitsuyama
Radiation Oncology · Seattle, WA
39525
Huong Pham
Radiation Oncology · Seattle, WA
361,766
Joseph Rosales
Hematology-Oncology · Tacoma, WA
25517
Jennifer Kohr
Diagnostic Radiology · Seattle, WA
22132
Janie Gia-Lin Weng Grumley
General Surgery · Santa Monica, CA
1768
Alexi Phinney
Diagnostic Radiology · Seattle, WA
1330
Gurkamal Chatta
Medical Oncology · Buffalo, NY
12300
HARTZOG, GRADY1246
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
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.