What is Stephen Ryu's specialty?

Stephen Ryu (NPI 1134153505) is a Medicare-billing provider whose primary specialty is Neurosurgery in Stanford, CA.

Where does Stephen Ryu practice?

Stephen Ryu practices in Stanford, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1134153505.

How much does Medicare pay Stephen Ryu?

Stephen Ryu (NPI 1134153505) received approximately $294K in total Medicare Part B payments, serving 469 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1134153505

Stephen RyuMD

PRACTICESTANFORD HEALTH CARESee all providers at this practice →

NeurosurgeryStanford, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

731

Unique beneficiaries

—

Total services

841

Distinct HCPCS

Medicare payment

$192K

Peer benchmark

Total Medicare services vs. 497 Neurosurgery providers in CA — top quintile (cohort median 341).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$551

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Gabapentin28 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$112K

Payment records

121

By payment type

Consulting Fee$77K

Royalty or License$17K

Travel and Lodging$14K

Food and Beverage$4K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1K

Top paying entities

Consulting Fee$77K

Royalty or License$17K

Travel and Lodging$14K

Food and Beverage$4K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1K

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Home health agency

Home health agency

Home health agency

Hospital

Hospital

REFERRAL NETWORK

Where Stephen 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). 8 inbound referrers · 13 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jon Keller Pathology · Palo Alto, CA	89	368
Joseph Walter Diagnostic Radiology · Palo Alto, CA	43	82
Edmund Tai Hematology-Oncology · Mountain View, CA	22	105
John Murao Diagnostic Radiology · Palo Alto, CA	20	40
LAMM, ROBERT	17	29
HABIBIAN, ALEXANDER	17	26
MILLS-PENINSULA HEALTH SERVICES	12	22
SHEPARD, MICHAEL	11	20

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
STANFORD HEALTH CARE	91	304
Jon Keller Pathology · Palo Alto, CA	85	285
Joseph Walter Diagnostic Radiology · Palo Alto, CA	73	142
Alondra Martinez Nurse Practitioner · Palo Alto, CA	49	156
Edmund Tai Hematology-Oncology · Mountain View, CA	25	127
Brian Dula Anesthesiology · Palo Alto, CA	15	46
Protransport 1 Ambulance Service Provider · Rohnert Park, CA	14	34
MILLS-PENINSULA HEALTH SERVICES	14	15
Brian Vu Diagnostic Radiology · Fremont, CA	13	22
Sean Hilchey Diagnostic Radiology · Fremont, CA	13	17
LAMM, ROBERT	13	27
Nick Costouros Diagnostic Radiology · Palo Alto, CA	13	17

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events