Are you Christopher D. Chang, D.O.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 3 St. Elizabeth's Blvd., Suite 400, O'fallon, IL 62269
About Dr. Chang
The NPI registry lists Christopher D. Chang, D.O. as a student in an organized health care education program, in O'fallon, IL. This provider record is associated with NPI 1134979537.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (618) 233-7880
- Email not available
Practice Locations
3 ST. ELIZABETH'S BLVD. SUITE 400
O'fallon, IL 62269
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other medical trainees at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What does Christopher D. Chang specialize in?
Christopher D. Chang is a medical trainee in O'fallon, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Student in an Organized Health Care Education Program”.
NPI registry
Where is Christopher D. Chang located?
Christopher D. Chang is listed at 3 St. Elizabeth's Blvd. Suite 400, O'fallon, IL 62269. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Christopher D. Chang's phone number?
The number on file is (618) 233-7880. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Christopher D. Chang?
Christopher D. Chang's National Provider Identifier is 1134979537. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Christopher D. Chang have?
Christopher D. Chang has 2+ years experience. Registered with an NPI since 2024. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Christopher D. Chang's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Christopher D. Chang. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.