PROVIDER PROFILE · NPI 1558355677
Ronald HayashiM.D.
REFERRAL NETWORK
Where Ronald Hayashi'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 · 0 outbound destinations.
Receives referrals from
Inbound — who sends patients here
| Physician | Patients | Visits |
|---|---|---|
| Keith Liang Ophthalmology · Sacramento, CA | 69 | 226 |
| ARNOLD, COLIN | 35 | 71 |
| VANDEWALKER, KRISTEN | 15 | 16 |
| Fort Sutter Surgery Center A California Limited Partnership Ambulatory Surgical Center · Sacramento, CA | 12 | 12 |
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.
CROSS-REFERENCE