Physician Profile

Christopher Chang, MD

Unclaimed Profile

About Dr. Chang

Based in Irvine, CA, Christopher Chang, MD is listed in the NPI registry under anesthesiology. Christopher graduated from University of California, Geffen School of Medicine in 1991. According to Medicare claims data, Christopher cared for 226 Medicare patients across 226 services. The services billed most often include anesthesia for lens surgery, anesthesia for procedure on small and large bowel using an endoscope, and anesthesia for exam of colon using an endoscope.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Specialty

Anesthesiology (Primary)

Credentials & Licensing

CA licenseG75772
NPI1881632750
NPI issued06/03/2006

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Dr. Chang?

Dr. Chang is an anesthesiologist in Irvine, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.

NPI registry

What is Dr. Chang's address?

Dr. Chang is listed at 3500 Barranca Pkwy Ste 130, Irvine, CA 92606. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Chang?

The number on file is (949) 552-6266. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Chang's NPI number?

Dr. Chang's National Provider Identifier is 1881632750. 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

Where did Dr. Chang train?

Dr. Chang attended University of California, Geffen School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Chang been practicing?

Dr. Chang has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.

CMS public data

What procedures does Dr. Chang perform?

According to Medicare billing data, Dr. Chang provides treatments such as anesthesia for lens surgery and anesthesia for procedure on small and large bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Chang confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chang. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.