PROVIDER PROFILE · NPI 1558355677

Ronald HayashiM.D.

PRACTICEANNIE Y. LAU, M.D.See all providers at this practice →

AnesthesiologySacramento, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

188

Unique beneficiaries

—

Total services

215

Distinct HCPCS

Medicare payment

$25K

Peer benchmark

Total Medicare services vs. 4,547 Anesthesiology providers in CA — top quintile (cohort median 182).

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.

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

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history