Alvin ChangM.D.
Alvin Chang, M.D. is an Internal Medicine provider in Tustin, CA, as of July 2026.
- NPI1396857181
- Registered2006
- Class of1994
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Alvin Chang at a glance
- Provider
- Alvin Chang
- Credential
- M.D.
- Specialty
- Internal Medicine
- Procedures
- Internal Medicine CPT codes
- Location
- Tustin, CA
- Medical school
- University of California, Geffen School of Medicine
- Graduated
- 1994
- NPI registered
- 2006
- NPI
- 1396857181
- 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 Alvin Chang practice?
Alvin Chang, M.D. is based in Tustin, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Alvin Chang's NPI number?
Alvin Chang's National Provider Identifier (NPI) is 1396857181, registered in 2006. Specialty on record: Internal Medicine; credential M.D.
Where did Alvin Chang go to medical school?
Alvin Chang, M.D. attended University of California, Geffen School of Medicine, graduating in 1994.
How many Internal Medicine providers in California work at ambulatory surgery centers?
209 Internal Medicine surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Alvin Chang among them. The California Internal Medicine directory lists each one by city with credential, NPI, and center affiliations.
Pilot Analysis
Get the complete Alvin Chang analysis
Tell us where to send it. Our team will prepare an analysis of Alvin 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.