Oscar ChenMD, MS
Ophthalmology·Orange, CA
Oscar Chen, MD, MS is an Ophthalmology provider in Orange, CA affiliated with 2 ambulatory surgery centers in CA, as of July 2026.
- NPI1598329989
- Registered2019
- Centers2
- StateCA
- Class of2021
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
Education
Education on record as of August 2026.
Oscar Chen at a glance
- Provider
- Oscar Chen
- Credential
- MD, MS
- Specialty
- Ophthalmology
- Procedures
- Ophthalmology CPT codes
- Location
- Orange, CA
- Medical school
- Rush Medical College of Rush University
- Graduated
- 2021
- NPI registered
- 2019
- NPI
- 1598329989
- 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 Oscar Chen practice?
Oscar Chen, MD, MS is based in Orange, CA and is affiliated with 2 ambulatory surgery centers: Pavilion Surgery Center in Orange, CA and La Veta Surgical Center in Orange, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Oscar Chen's NPI number?
Oscar Chen's National Provider Identifier (NPI) is 1598329989, registered in 2019. Specialty on record: Ophthalmology; credential MD, MS.
Where did Oscar Chen go to medical school?
Oscar Chen, MD, MS attended Rush Medical College of Rush University, graduating in 2021.
How many Ophthalmology providers in California work at ambulatory surgery centers?
869 Ophthalmology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Oscar Chen among them. The California Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.
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