---
title: "Dr. Stephen I. Ryu | Neurosurgeon in Palo Alto, CA | Sutter Health"
description: "Dr. Stephen I. Ryu, M.D., M.S., FACS, FAANS practices Neurosurgery and Spine Surgery in Palo Alto, CA. Accepting new patients."
url: "https://www.sutterhealth.org/find-provider/dr-stephen-i-ryu-1046243617"
---

1.  [Home](https://www.sutterhealth.org/) /
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3.  Stephen I. Ryu, M.D., M.S., FACS, FAANS

![Stephen I. Ryu, M.D., M.S., FACS, FAANS](https://dyn.mktgcdn.com/p/Ftb2_aVaPxelwg-YivIC203FSIRcrli0KCrY9vN6c0s/1.0000/fit=crop,gravity=auto,dpr=2,width=230,height=230)

4.9/5

[(538 ratings)](https://www.sutterhealth.org/star-ratings)

# Stephen I. Ryu, M.D., M.S., FACS, FAANS

## Neurosurgery

-   Accepting new patients

## Spine Surgery

-   Accepting new patients

[795 El Camino RealLee Building, Level 3Palo Alto, CA 94301](https://www.google.com/maps/dir/?api=1&destination=795+El+Camino+Real+Palo+Alto%2C+CA+94301+US)

## Schedule appointment

[650-853-2919](tel:+16508532919)

Jump to:

-   [About](https://www.sutterhealth.org/find-provider/dr-stephen-i-ryu-1046243617#provider-about)
-   [Insurance](https://www.sutterhealth.org/find-provider/dr-stephen-i-ryu-1046243617#provider-health-plans)
-   [Locations](https://www.sutterhealth.org/find-provider/dr-stephen-i-ryu-1046243617#provider-locations)
-   [Services](https://www.sutterhealth.org/find-provider/dr-stephen-i-ryu-1046243617#provider-services)

## About Dr. Ryu

Languages English and Korean

Gender Male

Ages treated All ages

Uses [My Health Online](https://www.sutterhealth.org/patient-resources/my-health-online) for scheduling and messaging

### Professional highlights

Dr. Ryu serves as a Consulting Professor of Electrical Engineering at Stanford University. He is a member of the American Association of Neurological Surgeons (AANS), Congress of Neurological Surgeons (CNS), North American Spine Society (NASS), Society of Minimally Invasive Spine Surgery (SMISS), Society of Lateral Access Surgery (SOLAS), and the Korean American Spine Society (KASS).

### Outside of medicine

Dr. Ryu is married and has two daughters. Outside of Medicine, he enjoys computing, food and wine, and automobiles.

## Education and training

**Medical school:** University of California, San Diego

**Internship:** Stanford University School of Medicine, CA

**Residency:** Stanford University School of Medicine, CA

**Fellowship:** Stanford University Medical Center, Spine Neurosurgery Fellowship

**Special training:** Certified instructor in Advanced Trauma Life Support (ATLS)

## Board certifications

-   Neurosurgery - Board Certified

## Affiliations

### Hospitals

-   Sutter Mills Peninsula Medical Center

### Medical groups

-   Palo Alto Foundation Medical Group

## Accepted insurance

Search plan or carrier name

**Aetna (19 plans)**

### Aetna

-   Aetna Choice POS II
    
-   Aetna Select EPO
    
-   Aetna Select Open Access
    
-   Aetna Signature Administrators (ASA)
    
-   Aetna Student Health Program
    
-   Health Fund HMO (aka HMO/HRA)
    
-   Health Fund POS
    
-   HMO
    
-   HMO Deductible Plans
    
-   Managed Choice POS
    
-   National Advantage Plan (NAP)
    
-   Open Access Elect Choice EPO
    
-   Open Access Managed Choice POS
    
-   Open Choice PPO
    
-   Quality Point of Service (QPOS)
    
-   Stanford University Faculty & Staff (SUFS) - Copay Plan - Open Access Aetna Select
    
-   Stanford University Faculty & Staff (SUFS) ACA High Deductible Health Plan POS II (ACA HDHP-POS II)
    
-   Stanford University Faculty & Staff (SUFS) High Deductible Health Plan POS II (HDHP POS II)
    
-   Traditional Choice
    

**Alignment (4 plans)**

### Alignment

-   Alignment Health Plan My Choice (Medicare Advantage PPO)
    
-   Alignment Health Sutter Advantage +More (Medicare Advantage HMO)
    
-   Retiree Options (Medicare Advantage HMO)
    
-   Retiree Options (Medicare Advantage PPO)
    

**Anthem Blue Cross of California (21 plans)**

### Anthem Blue Cross of California

-   Advantage HMO
    
-   Advantage PPO (Tier 1)
    
-   Anthem Blue Cross HMO Saver Small Group Plan
    
-   Anthem Blue Cross HMO, also sometimes known as California Care or Rural Cal Care (includes CalPERS Traditional HMO)
    
-   Anthem Blue Cross HMO/POS (California Care Plus)
    
-   Anthem Blue Cross Individual and Family EPO Bronze/Silver/Gold/Platinum-Covered California (Pathway - EPO)
    
-   Anthem Blue Cross Individual HMO (also sometimes known as California Care)
    
-   Anthem Blue Cross Small Group HMO (also sometimes known as California Care)
    
-   Anthem Bronze, Silver, Gold, Platinum PPO (Prudent Buyer Plan)
    
-   Anthem High Performance Narrow Network
    
-   Anthem Medicare Preferred PPO Medicare Advantage Plans for Group Retirees
    
-   Behavioral Health Program
    
-   BlueCard
    
-   CareAdvocate PPO
    
-   Direct Access
    
-   Federal Employee Program (FEP) - PPO
    
-   GeoBlue
    
-   Indemnity
    
-   Managed Care Services
    
-   My Choice PPO
    
-   SmartSense
    

**Blue Shield of California (24 plans)**

### Blue Shield of California

-   Active Choice PPO
    
-   Administrative Services Only (ASO) - Self-Funded PPO
    
-   Blue Shield $0 Cost Share PPO (IFP)
    
-   Blue Shield Access+ HMO CalPERS Limited Network
    
-   Blue Shield Access+ HMO Plan
    
-   Blue Shield Added Advantage POS (Point-Of-Service) Plan**Note:**
    -   PPO Benefit Level
-   Blue Shield Bronze PPO (IFP & Small Group)
    
-   Blue Shield CalPERS EPO
    
-   Blue Shield CalPERS Medicare (PPO) Employer Group Medicare Advantage
    
-   Blue Shield Gold PPO (IFP & Small Group)
    
-   Blue Shield Life and Health Insurance Company
    
-   Blue Shield Medicare (PPO) Employer Group Medicare Advantage
    
-   Blue Shield Minimum Coverage PPO (IFP)
    
-   Blue Shield of California PPO/EPO (aka Full Network PPO/EPO)
    
-   Blue Shield Platinum PPO (IFP & Small Group)
    
-   Blue Shield Silver PPO (IFP & Small Group)
    
-   BlueCard Plan
    
-   Federal Employee Program - PPO**Note:**
    -   FEP accesses Anthem Blue Cross for Hospital Providers
-   Indemnity
    
-   PERS Platinum PPO
    
-   Shared Advantage - PPO/EPO and Shared Advantage Plus - PPO/EPO (Full Network PPO)
    
-   UC Care PPO
    
-   University of California HealthSavings+
    
-   Vital Shield 900 Plans
    

Coverage can vary, so we suggest confirming with your health plan and provider’s office before your visit.

## Care locations

[Palo Alto Center](https://www.sutterhealth.org/find-location/facility/palo-alto-center-1043246889)

795 El Camino Real

Lee Building, Level 3

Palo Alto, CA 94301

[Get directions](https://www.google.com/maps/dir/?api=1&destination=795+El+Camino+Real+Palo+Alto%2C+CA+94301+US)

[650-853-2919](tel:+16508532919)

Sunday Closed

Monday 9:00 am - 7:00 pm

Tuesday 1:00 pm - 5:00 pm

Wednesday 7:30 am - 5:00 pm

Thursday Closed

Friday 7:30 am - 5:00 pm

Saturday Closed

**View additional hours**

Sunday Closed

Monday 9:00 am - 7:00 pm

Tuesday 1:00 pm - 5:00 pm

Wednesday 7:30 am - 5:00 pm

Thursday Closed

Friday 7:30 am - 5:00 pm

Saturday Closed

## Areas of expertise

Explore the services and treatments this provider may offer.

**Clinical expertise**

### Procedures

-   Artificial disc replacement
-   Brain Surgery
-   Cervical disc replacement
-   Computer Assisted Surgery
-   Craniotomy
-   Endoscopic Intraventricular Tumor Surgery
-   Endoscopic Neurosurgery
-   Endoscopic Surgery
-   Endoscopic-Assisted Cranial Surgery
-   Foraminotomy
-   Kyphoplasty
-   Kyphosis surgery
-   Laser Surgery
-   Lobectomy
-   Microvascular Decompression Surgery
-   [Minimally invasive spine surgery](https://www.sutterhealth.org/services/minimally-invasive-back-spine-procedures)
-   MRI-Guided Stereotactic Brain Surgery
-   Peripheral Nerve Surgery
-   Precision Spine Surgery
-   Reconstructive Spine Surgery
-   Restorative Spine Surgery
-   Scoliosis surgery
-   Skull base surgery
-   Spinal Fusion Surgery
-   Spinal Instrumentation
-   Stereotactic Biopsy
-   Stereotactic Surgery
-   Temporal Lobectomy
-   Tumor Resection and Reconstruction
-   Upper Cervical Spine Surgery
-   Vertebroplasty

### Conditions

-   Acquired Von Willebrand Syndrome
-   Airway stenosis
-   Arnold-Chiari Malformation
-   [Back and spine problems](https://www.sutterhealth.org/services/back-spine)
-   Benign Tumors of the Brain and Spine
-   Benign Tumors of the Spine
-   Brachial Plexus Injury
-   Brain and Spinal Cord Tumors
-   Brain Disease
-   Cervical Spine Disorders
-   Complex Spine Disorders
-   Congenital spinal abnormality
-   Degenerative Spine Diseases
-   Disc disease of neck and back
-   Endoleak
-   Facial Spasms
-   Glioma
-   Herniated Disc
-   Hydrocephalus
-   Intracranial Neoplasms
-   Lumbar Spinal Stenosis
-   Neuralgia
-   Normal Pressure Hydrocephalus
-   Pituitary surgery
-   Spinal cord injury
-   Spinal Diseases
-   Spine Trauma
-   Spondylodesis
-   Spondylolisthesis
-   Sports Concussion
-   [Sports injuries](https://www.sutterhealth.org/services/sports-injury-and-orthopedic-rehabilitation)
-   Trigeminal Neuralgia
-   Vertebral Osteomyelitis

### Reasons for visit

-   Neuro-Oncology
-   Neuronavigation

## Related services offered by Sutter

-   [Neurosurgery](https://www.sutterhealth.org/services/neurosurgery)
-   [Back and spine surgery](https://www.sutterhealth.org/services/back-spine-surgery)
-   [Back and spine](https://www.sutterhealth.org/services/back-spine)
-   [Minimally invasive back and spine procedures](https://www.sutterhealth.org/services/minimally-invasive-back-spine-procedures)
-   [Specialty surgery](https://www.sutterhealth.org/services/specialty-surgery)

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### Disclaimer

_This provider directory is provided as a convenience to you. It is not intended as a recommendation, referral or endorsement of any particular provider. Physicians are not employees or agents of Sutter Health or its subsidiaries. The information is submitted by each doctor and we make no guarantee or warranty as to the accuracy of the information. You should verify the accuracy of the information directly with the provider's office._

_All doctors on this site are in the Sutter system. Doctors meeting your search criteria are presented in order of relevance based on search criteria, based on those providers with appointment availability._ [_Find out more about star ratings_](https://www.sutterhealth.org/star-ratings)_._

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```
