Stephen RyuMD
Neurosurgery·Stanford, CA
Stephen Ryu, MD is a Neurosurgery provider in Stanford, CA, as of July 2026.
- NPI1134153505
- Registered2006
- Class of1999
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Stephen Ryu at a glance
- Provider
- Stephen Ryu
- Credential
- MD
- Specialty
- Neurosurgery
- Procedures
- Neurosurgery CPT codes
- Location
- Stanford, CA
- Medical school
- University of California, San Diego School of Medicine
- Graduated
- 1999
- NPI registered
- 2006
- NPI
- 1134153505
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Stephen Ryu practice?
Stephen Ryu, MD is based in Stanford, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Stephen Ryu's NPI number?
Stephen Ryu's National Provider Identifier (NPI) is 1134153505, registered in 2006. Specialty on record: Neurosurgery; credential MD.
Where did Stephen Ryu go to medical school?
Stephen Ryu, MD attended University of California, San Diego School of Medicine, graduating in 1999.
How many Neurosurgery providers in California work at ambulatory surgery centers?
127 Neurosurgery surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Stephen Ryu among them. The California Neurosurgery directory lists each one by city with credential, NPI, and center affiliations.
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