PROVIDER PROFILE · NPI 1497783021

John RyuMD

PRACTICEJOHN MUIR HEALTHSee all providers at this practice →

AnesthesiologyWalnut Creek, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$8K

Peer benchmark

Total Medicare services vs. 4,547 Anesthesiology providers in CA — above median (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 John Ryu'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). 2 inbound referrers · 7 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Sequoia Surgical Center Lp Ambulatory Surgical Center · Walnut Creek, CA	76	83
Jonathan Posin Diagnostic Radiology · Walnut Creek, CA	11	12

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
JOHN MUIR HEALTH	36	43
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	23	32
NPI 1871543124	20	42
JOHN MUIR HEALTH	15	23
North Star Emergency Services, Inc. Ambulance Service Provider · Livermore, CA	14	16
PRYDE, JULIE	13	19
JOHN MUIR HEALTH	11	12

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