What is John Ryu's specialty?

John Ryu (NPI 1497783021) is a Medicare-billing provider whose primary specialty is Anesthesiology in Walnut Creek, CA.

Where does John Ryu practice?

John Ryu practices in Walnut Creek, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1497783021.

How much does Medicare pay John Ryu?

John Ryu (NPI 1497783021) received approximately $30K in total Medicare Part B payments, serving 165 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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