Eugene ChangMD
Eugene Chang, MD is an Ophthalmology provider in Pasadena, CA affiliated with 3 ambulatory surgery centers in CA, as of July 2026.
- NPI1265432991
- Registered2005
- Centers3
- StateCA
- Class of2000
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.
- Huntington Ambulatory Surgery CenterPasadena, CA · General surgery, Ophthalmology, Pain management, Plastic surgery · 30 on panelView center →
- Chino Premier Surgery CenterChino, CA · Gastroenterology, Ophthalmology, Pain management · 6 on panelView center →
- Pasadena Surgery Center INC A Medical CorporationPasadena, CA · Ophthalmology, Pain management · 14 on panelView center →
Education
Education on record as of August 2026.
Eugene Chang at a glance
- Provider
- Eugene Chang
- Credential
- MD
- Specialty
- Ophthalmology
- Procedures
- Ophthalmology CPT codes
- Location
- Pasadena, CA
- Medical school
- Tufts University School of Medicine
- Graduated
- 2000
- NPI registered
- 2005
- NPI
- 1265432991
- 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 Eugene Chang practice?
Eugene Chang, MD is based in Pasadena, CA and is affiliated with 3 ambulatory surgery centers: Huntington Ambulatory Surgery Center in Pasadena, CA, Chino Premier Surgery Center in Chino, CA, and Pasadena Surgery Center INC A Medical Corporation in Pasadena, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Eugene Chang's NPI number?
Eugene Chang's National Provider Identifier (NPI) is 1265432991, registered in 2005. Specialty on record: Ophthalmology; credential MD.
Where did Eugene Chang go to medical school?
Eugene Chang, MD attended Tufts University School of Medicine, graduating in 2000.
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, Eugene Chang among them. The California Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.
Pilot Analysis
Get the complete Eugene Chang analysis
Tell us where to send it. Our team will prepare an analysis of Eugene Chang covering case volumes, referral patterns, payer mix, and how specialty peers compare, and email it to you within 5-10 business days. Need it faster? Book a demo.