Physician Profile

James C. Chang, M.D.

Unclaimed Profile

About Dr. Chang

Based in Orange, CA, James C. Chang, M.D. is listed in the NPI registry under anesthesiology. According to Medicare claims data, James cared for 112 Medicare patients across 113 services. The services billed most often include anesthesia for lens surgery and anesthesia for procedure on eyelid.

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

Education & Training

School Other Graduated: 1983

Specialty

Anesthesiology (Primary)

Credentials & Licensing

CA licenseA44296
NPI1700867298
NPI issued11/10/2005

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 is James C. Chang's specialty?

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

NPI registry

Where can I find James C. Chang?

James C. Chang is listed at 2601 E Chapman Ave, Orange, CA 92869. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact James C. Chang?

The number on file is (714) 633-0011. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is James C. Chang's NPI number?

James C. Chang's National Provider Identifier is 1700867298. 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

What is James C. Chang's education?

James C. Chang attended Other, graduating in 1983. This comes from the CMS National Downloadable File.

CMS public data

How long has James C. Chang been practicing?

James C. Chang has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.

CMS public data

What is James C. Chang known for?

According to Medicare billing data, James C. Chang provides treatments such as anesthesia for lens surgery and anesthesia for procedure on eyelid. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has James C. Chang confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by James C. 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.