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