Jefferson ChenMD PHD
Neurosurgery·Orange, CA
Jefferson Chen, MD PHD is a Neurosurgery provider in Orange, CA, as of July 2026.
- NPI1992789747
- Registered2005
- Class of1987
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Jefferson Chen at a glance
- Provider
- Jefferson Chen
- Credential
- MD PHD
- Specialty
- Neurosurgery
- Procedures
- Neurosurgery CPT codes
- Location
- Orange, CA
- Medical school
- Johns Hopkins University School of Medicine
- Graduated
- 1987
- NPI registered
- 2005
- NPI
- 1992789747
- 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 Jefferson Chen practice?
Jefferson Chen, MD PHD is based in Orange, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Jefferson Chen's NPI number?
Jefferson Chen's National Provider Identifier (NPI) is 1992789747, registered in 2005. Specialty on record: Neurosurgery; credential MD PHD.
Where did Jefferson Chen go to medical school?
Jefferson Chen, MD PHD attended Johns Hopkins University School of Medicine, graduating in 1987.
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, Jefferson Chen among them. The California Neurosurgery directory lists each one by city with credential, NPI, and center affiliations.
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